)]}' { "log": [ { "commit": "b21996e36c8e3b92a84e972378bde80b43acd890", "tree": "0ed5eb8a3d11434ad6aa9c7efe24823bdb52b1e7", "parents": [ "9accbb977ab78234b8f298df5f306ed08d06bedb" ], "author": { "name": "J. Bruce Fields", "email": "bfields@redhat.com", "time": "Tue Sep 20 09:14:34 2011 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Nov 09 00:16:42 2013 -0500" }, "message": "locks: break delegations on unlink\n\nWe need to break delegations on any operation that changes the set of\nlinks pointing to an inode. Start with unlink.\n\nSuch operations also hold the i_mutex on a parent directory. Breaking a\ndelegation may require waiting for a timeout (by default 90 seconds) in\nthe case of a unresponsive NFS client. To avoid blocking all directory\noperations, we therefore drop locks before waiting for the delegation.\nThe logic then looks like:\n\n\tacquire locks\n\t...\n\ttest for delegation; if found:\n\t\ttake reference on inode\n\t\trelease locks\n\t\twait for delegation break\n\t\tdrop reference on inode\n\t\tretry\n\nIt is possible this could never terminate. (Even if we take precautions\nto prevent another delegation being acquired on the same inode, we could\nget a different inode on each retry.) But this seems very unlikely.\n\nThe initial test for a delegation happens after the lock on the target\ninode is acquired, but the directory inode may have been acquired\nfurther up the call stack. We therefore add a \"struct inode **\"\nargument to any intervening functions, which we use to pass the inode\nback up to the caller in the case it needs a delegation synchronously\nbroken.\n\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: Tyler Hicks \u003ctyhicks@canonical.com\u003e\nCc: Dustin Kirkland \u003cdustin.kirkland@gazzang.com\u003e\nAcked-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: J. Bruce Fields \u003cbfields@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "79f6530cb59e2a0af6953742a33cc29e98ca631c", "tree": "3778b26699b0f217a3c888853faaf0e15c760fc2", "parents": [ "f9f0a7d0dcbd19e9705e8b96a4b408f035e25c93" ], "author": { "name": "Jeff Layton", "email": "jlayton@redhat.com", "time": "Mon Jul 08 15:59:36 2013 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jul 09 10:33:19 2013 -0700" }, "message": "audit: fix mq_open and mq_unlink to add the MQ root as a hidden parent audit_names record\n\nThe old audit PATH records for mq_open looked like this:\n\n type\u003dPATH msg\u003daudit(1366282323.982:869): item\u003d1 name\u003d(null) inode\u003d6777\n dev\u003d00:0c mode\u003d041777 ouid\u003d0 ogid\u003d0 rdev\u003d00:00\n obj\u003dsystem_u:object_r:tmpfs_t:s15:c0.c1023\n type\u003dPATH msg\u003daudit(1366282323.982:869): item\u003d0 name\u003d\"test_mq\" inode\u003d26732\n dev\u003d00:0c mode\u003d0100700 ouid\u003d0 ogid\u003d0 rdev\u003d00:00\n obj\u003dstaff_u:object_r:user_tmpfs_t:s15:c0.c1023\n\n...with the audit related changes that went into 3.7, they now look like this:\n\n type\u003dPATH msg\u003daudit(1366282236.776:3606): item\u003d2 name\u003d(null) inode\u003d66655\n dev\u003d00:0c mode\u003d0100700 ouid\u003d0 ogid\u003d0 rdev\u003d00:00\n obj\u003dstaff_u:object_r:user_tmpfs_t:s15:c0.c1023\n type\u003dPATH msg\u003daudit(1366282236.776:3606): item\u003d1 name\u003d(null) inode\u003d6926\n dev\u003d00:0c mode\u003d041777 ouid\u003d0 ogid\u003d0 rdev\u003d00:00\n obj\u003dsystem_u:object_r:tmpfs_t:s15:c0.c1023\n type\u003dPATH msg\u003daudit(1366282236.776:3606): item\u003d0 name\u003d\"test_mq\"\n\nBoth of these look wrong to me. As Steve Grubb pointed out:\n\n \"What we need is 1 PATH record that identifies the MQ. The other PATH\n records probably should not be there.\"\n\nFix it to record the mq root as a parent, and flag it such that it\nshould be hidden from view when the names are logged, since the root of\nthe mq filesystem isn\u0027t terribly interesting. With this change, we get\na single PATH record that looks more like this:\n\n type\u003dPATH msg\u003daudit(1368021604.836:484): item\u003d0 name\u003d\"test_mq\" inode\u003d16914\n dev\u003d00:0c mode\u003d0100644 ouid\u003d0 ogid\u003d0 rdev\u003d00:00\n obj\u003dunconfined_u:object_r:user_tmpfs_t:s0\n\nIn order to do this, a new audit_inode_parent_hidden() function is\nadded. If we do it this way, then we avoid having the existing callers\nof audit_inode needing to do any sort of flag conversion if auditing is\ninactive.\n\nSigned-off-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nReported-by: Jiri Jaburek \u003cjjaburek@redhat.com\u003e\nCc: Steve Grubb \u003csgrubb@redhat.com\u003e\nCc: Eric Paris \u003ceparis@redhat.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2c3de1c2d7d68c6ba4c1ecd82c68285f34d9609e", "tree": "6a09ce761173a966718f9009514dcc90bd9947b7", "parents": [ "9064171268d838b8f283fe111ef086b9479d059a", "87a8ebd637dafc255070f503909a053cf0d98d3f" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Mar 28 13:43:46 2013 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Mar 28 13:43:46 2013 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace\n\nPull userns fixes from Eric W Biederman:\n \"The bulk of the changes are fixing the worst consequences of the user\n namespace design oversight in not considering what happens when one\n namespace starts off as a clone of another namespace, as happens with\n the mount namespace.\n\n The rest of the changes are just plain bug fixes.\n\n Many thanks to Andy Lutomirski for pointing out many of these issues.\"\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:\n userns: Restrict when proc and sysfs can be mounted\n ipc: Restrict mounting the mqueue filesystem\n vfs: Carefully propogate mounts across user namespaces\n vfs: Add a mount flag to lock read only bind mounts\n userns: Don\u0027t allow creation if the user is chrooted\n yama: Better permission check for ptraceme\n pid: Handle the exit of a multi-threaded init.\n scm: Require CAP_SYS_ADMIN over the current pidns to spoof pids.\n" }, { "commit": "a636b702ed1805e988ad3d8ff8b52c060f8b341c", "tree": "6144e89780172adc58cea3cab7d75000ae31fa04", "parents": [ "132c94e31b8bca8ea921f9f96a57d684fa4ae0a9" ], "author": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Thu Mar 21 18:13:15 2013 -0700" }, "committer": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Wed Mar 27 07:50:06 2013 -0700" }, "message": "ipc: Restrict mounting the mqueue filesystem\n\nOnly allow mounting the mqueue filesystem if the caller has CAP_SYS_ADMIN\nrights over the ipc namespace. The principle here is if you create\nor have capabilities over it you can mount it, otherwise you get to live\nwith what other people have mounted.\n\nThis information is not particularly sensitive and mqueue essentially\nonly reports which posix messages queues exist. Still when creating a\nrestricted environment for an application to live any extra\ninformation may be of use to someone with sufficient creativity. The\nhistorical if imperfect way this information has been restricted has\nbeen not to allow mounts and restricting this to ipc namespace\ncreators maintains the spirit of the historical restriction.\n\nCc: stable@vger.kernel.org\nAcked-by: Serge Hallyn \u003cserge.hallyn@canonical.com\u003e\nSigned-off-by: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\n" }, { "commit": "38d78e587d4960d0db94add518d27ee74bad2301", "tree": "3022cdde7ae5acd60be295f3d3fd9c78814e41c4", "parents": [ "ca4b3f302c90de5e516296e581c31c80125cd24b" ], "author": { "name": "Vladimir Davydov", "email": "vdavydov@parallels.com", "time": "Fri Mar 22 15:04:51 2013 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Mar 22 16:41:21 2013 -0700" }, "message": "mqueue: sys_mq_open: do not call mnt_drop_write() if read-only\n\nmnt_drop_write() must be called only if mnt_want_write() succeeded,\notherwise the mnt_writers counter will diverge.\n\nmnt_writers counters are used to check if remounting FS as read-only is\nOK, so after an extra mnt_drop_write() call, it would be impossible to\nremount mqueue FS as read-only. Besides, on umount a warning would be\nprinted like this one:\n\n \u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\n [ BUG: bad unlock balance detected! ]\n 3.9.0-rc3 #5 Not tainted\n -------------------------------------\n a.out/12486 is trying to release lock (sb_writers) at:\n mnt_drop_write+0x1f/0x30\n but there are no more locks to release!\n\nSigned-off-by: Vladimir Davydov \u003cvdavydov@parallels.com\u003e\nCc: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: \u003cstable@vger.kernel.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d895cb1af15c04c522a25c79cc429076987c089b", "tree": "895dc9157e28f603d937a58be664e4e440d5530c", "parents": [ "9626357371b519f2b955fef399647181034a77fe", "d3d009cb965eae7e002ea5badf603ea8f4c34915" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Feb 26 20:16:07 2013 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Feb 26 20:16:07 2013 -0800" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs\n\nPull vfs pile (part one) from Al Viro:\n \"Assorted stuff - cleaning namei.c up a bit, fixing -\u003ed_name/-\u003ed_parent\n locking violations, etc.\n\n The most visible changes here are death of FS_REVAL_DOT (replaced with\n \"has -\u003ed_weak_revalidate()\") and a new helper getting from struct file\n to inode. Some bits of preparation to xattr method interface changes.\n\n Misc patches by various people sent this cycle *and* ocfs2 fixes from\n several cycles ago that should\u0027ve been upstream right then.\n\n PS: the next vfs pile will be xattr stuff.\"\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)\n saner proc_get_inode() calling conventions\n proc: avoid extra pde_put() in proc_fill_super()\n fs: change return values from -EACCES to -EPERM\n fs/exec.c: make bprm_mm_init() static\n ocfs2/dlm: use GFP_ATOMIC inside a spin_lock\n ocfs2: fix possible use-after-free with AIO\n ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path\n get_empty_filp()/alloc_file() leave both -\u003ef_pos and -\u003ef_version zero\n target: writev() on single-element vector is pointless\n export kernel_write(), convert open-coded instances\n fs: encode_fh: return FILEID_INVALID if invalid fid_type\n kill f_vfsmnt\n vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op\n nfsd: handle vfs_getattr errors in acl protocol\n switch vfs_getattr() to struct path\n default SET_PERSONALITY() in linux/elf.h\n ceph: prepopulate inodes only when request is aborted\n d_hash_and_lookup(): export, switch open-coded instances\n 9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate()\n 9p: split dropping the acls from v9fs_set_create_acl()\n ...\n" }, { "commit": "496ad9aa8ef448058e36ca7a787c61f2e63f0f54", "tree": "8f4abde793cd7db5bb8fde6d27ebcacd0e54379a", "parents": [ "57eccb830f1cc93d4b506ba306d8dfa685e0c88f" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Jan 23 17:07:38 2013 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Feb 22 23:31:31 2013 -0500" }, "message": "new helper: file_inode(file)\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "bc1b69ed22a704fb1cc83d75b2eb46508a06c820", "tree": "db9d3feb6cc45303c8bbda31d4ce6a3569eda929", "parents": [ "2b8576cb09a7b1b581c253554bf9e05d3adce7d6" ], "author": { "name": "Gao feng", "email": "gaofeng@cn.fujitsu.com", "time": "Mon Jan 28 11:09:01 2013 +0800" }, "committer": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Sun Jan 27 19:25:50 2013 -0800" }, "message": "userns: Allow the unprivileged users to mount mqueue fs\n\nThis patch allow the unprivileged user to mount mqueuefs in\nuser ns.\n\nIf two userns share the same ipcns,the files in mqueue fs\nshould be seen in both these two userns.\n\nIf the userns has its own ipcns,it has its own mqueue fs too.\nipcns has already done this job well.\n\nSigned-off-by: Gao feng \u003cgaofeng@cn.fujitsu.com\u003e\nSigned-off-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\n" }, { "commit": "adb5c2473d3f91526c79db972aafb20a56d3fbb3", "tree": "f0427a11a91af2f5a5d0037ce52c32633019120b", "parents": [ "669abf4e5539c8aa48bf28c965be05c0a7b58a27" ], "author": { "name": "Jeff Layton", "email": "jlayton@redhat.com", "time": "Wed Oct 10 16:43:13 2012 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Oct 12 20:15:09 2012 -0400" }, "message": "audit: make audit_inode take struct filename\n\nKeep a pointer to the audit_names \"slot\" in struct filename.\n\nHave all of the audit_inode callers pass a struct filename ponter to\naudit_inode instead of a string pointer. If the aname field is already\npopulated, then we can skip walking the list altogether and just use it\ndirectly.\n\nSigned-off-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "91a27b2a756784714e924e5e854b919273082d26", "tree": "3913246b7d6e62703ec915f481e3a7159393f0f0", "parents": [ "8e377d15078a501c4da98471f56396343c407d92" ], "author": { "name": "Jeff Layton", "email": "jlayton@redhat.com", "time": "Wed Oct 10 15:25:28 2012 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Oct 12 20:14:55 2012 -0400" }, "message": "vfs: define struct filename and have getname() return it\n\ngetname() is intended to copy pathname strings from userspace into a\nkernel buffer. The result is just a string in kernel space. It would\nhowever be quite helpful to be able to attach some ancillary info to\nthe string.\n\nFor instance, we could attach some audit-related info to reduce the\namount of audit-related processing needed. When auditing is enabled,\nwe could also call getname() on the string more than once and not\nneed to recopy it from userspace.\n\nThis patchset converts the getname()/putname() interfaces to return\na struct instead of a string. For now, the struct just tracks the\nstring in kernel space and the original userland pointer for it.\n\nLater, we\u0027ll add other information to the struct as it becomes\nconvenient.\n\nSigned-off-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "bfcec7087458812f575d9022b2d151641f34ee84", "tree": "6c0f7dd3b016992da8d113ceeaae404c6abc03a1", "parents": [ "78e2e802a8519031e5858595070b39713e26340d" ], "author": { "name": "Jeff Layton", "email": "jlayton@redhat.com", "time": "Wed Oct 10 15:25:23 2012 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Oct 12 00:32:01 2012 -0400" }, "message": "audit: set the name_len in audit_inode for parent lookups\n\nCurrently, this gets set mostly by happenstance when we call into\naudit_inode_child. While that might be a little more efficient, it seems\nwrong. If the syscall ends up failing before audit_inode_child ever gets\ncalled, then you\u0027ll have an audit_names record that shows the full path\nbut has the parent inode info attached.\n\nFix this by passing in a parent flag when we call audit_inode that gets\nset to the value of LOOKUP_PARENT. We can then fix up the pathname for\nthe audit entry correctly from the get-go.\n\nWhile we\u0027re at it, clean up the no-op macro for audit_inode in the\n!CONFIG_AUDITSYSCALL case.\n\nSigned-off-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "1638113d9d8b7e04c1eeae9014d43f6381a74040", "tree": "6eccf05889ebd3ebf916a602b4c8dc74b2f8105f", "parents": [ "1ae1c1d09f220ded48ee9a7d91a65e94f95c4af1" ], "author": { "name": "Michel Lespinasse", "email": "walken@google.com", "time": "Mon Oct 08 16:30:26 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Oct 09 16:22:31 2012 +0900" }, "message": "ipc/mqueue: remove unnecessary rb_init_node() calls\n\nCommit d6629859b36d (\"ipc/mqueue: improve performance of send/recv\") and\nce2d52cc (\"ipc/mqueue: add rbtree node caching support\") introduced an\nrbtree of message priorities, and usage of rb_init_node() to initialize\nthe corresponding nodes. As it turns out, rb_init_node() is unnecessary\nhere, as the nodes are fully initialized on insertion by rb_link_node()\nand the code doesn\u0027t access nodes that aren\u0027t inserted on the rbtree.\n\nRemoving the rb_init_node() calls as I removed that function during\nrbtree API cleanups (the only other use of it was in a place that\nsimilarly didn\u0027t require it).\n\nSigned-off-by: Michel Lespinasse \u003cwalken@google.com\u003e\nAcked-by: Doug Ledford \u003cdledford@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2903ff019b346ab8d36ebbf54853c3aaf6590608", "tree": "962d94054765bb37bc00e977c3036e65c5fd91fe", "parents": [ "a5b470ba06aa3f96999ede5feba178df6bdb134a" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Aug 28 12:52:22 2012 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Sep 26 22:20:08 2012 -0400" }, "message": "switch simple cases of fget_light to fdget\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "515e0d6634086d61ae846f0e8785b6f0220f3422", "tree": "b099c7ec3b4c075851a70e56c4683e412ca3492e", "parents": [ "bdbf69437a5ae6f820a6d3aa8c6e3c3ce7e6e05f" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 27 03:11:34 2012 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Sep 26 21:10:09 2012 -0400" }, "message": "switch mqueue syscalls to fget_light()\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "312b90fbed0e07f61d2f060789440a83df6bba23", "tree": "ced839730a44af0cd472b08cb5e0ca46894188d5", "parents": [ "20fb1936dee63fe397236d4ff3fd253a62b7b0b8" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 06 10:18:17 2012 +0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Aug 18 16:51:26 2012 -0400" }, "message": "mqueue: lift mnt_want_write() outside -\u003ei_mutex, clean up a bit\n\nthe way it abuses -\u003ed_fsdata still needs to be killed, but that\u0027s\na separate story.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "765927b2d508712d320c8934db963bbe14c3fcec", "tree": "97acdb14fae285764def396c4ed01d4d5c93e76a", "parents": [ "bf349a447059656ebe63fb4fd1ccb27ac1da22ad" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jun 26 21:58:53 2012 +0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Jul 23 00:01:29 2012 +0400" }, "message": "switch dentry_open() to struct path, make it grab references itself\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "312b63fba9e88a0dcf800834b8ede8716bcc1e17", "tree": "a069e3b9ff142912fd09f09a22466707d31c6812", "parents": [ "ebfc3b49a7ac25920cb5be5445f602e51d2ea559" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jun 10 18:09:36 2012 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Jul 14 16:34:50 2012 +0400" }, "message": "don\u0027t pass nameidata * to vfs_create()\n\nall we want is a boolean flag, same as the method gets now\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "ebfc3b49a7ac25920cb5be5445f602e51d2ea559", "tree": "c3241f875dd04ab9f63b4e7ded7ed206e4df1b9f", "parents": [ "72bd866a01fc62ccbc466f3eb7599b14c937e96b" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jun 10 18:05:36 2012 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Jul 14 16:34:47 2012 +0400" }, "message": "don\u0027t pass nameidata to -\u003ecreate()\n\nboolean \"does it have to be exclusive?\" flag is passed instead;\nLocal filesystem should just ignore it - the object is guaranteed\nnot to be there yet.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "ce2d52cc1364a22fc1a161781e60ee3cbb499a6d", "tree": "f21a7a5ddfdfc0a470304268928c047399e71c7a", "parents": [ "7820b0715b6fb1378fab41b27fb7aa3950852cb7" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:38 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "ipc/mqueue: add rbtree node caching support\n\nWhen I wrote the first patch that added the rbtree support for message\nqueue insertion, it sped up the case where the queue was very full\ndrastically from the original code. It, however, slowed down the case\nwhere the queue was empty (not drastically though).\n\nThis patch caches the last freed rbtree node struct so we can quickly\nreuse it when we get a new message. This is the common path for any queue\nthat very frequently goes from 0 to 1 then back to 0 messages in queue.\n\nAndrew Morton didn\u0027t like that we were doing a GFP_ATOMIC allocation in\nmsg_insert, so this patch attempts to speculatively allocate a new node\nstruct outside of the spin lock when we know we need it, but will still\nfall back to a GFP_ATOMIC allocation if it has to.\n\nOnce I added the caching, the necessary various ret \u003d ; spin_unlock\ngyrations in mq_timedsend were getting pretty ugly, so this also slightly\nrefactors that function to streamline the flow of the code and the\nfunction exit.\n\nFinally, while working on getting performance back I made sure that all of\nthe node structs were always fully initialized when they were first used,\nrendering the use of kzalloc unnecessary and a waste of CPU cycles.\n\nThe net result of all of this is:\n\n1) We will avoid a GFP_ATOMIC allocation when possible, but fall back\n on it when necessary.\n\n2) We will speculatively allocate a node struct using GFP_KERNEL if our\n cache is empty (and save the struct to our cache if it\u0027s still empty\n after we have obtained the spin lock).\n\n3) The performance of the common queue empty case has significantly\n improved and is now much more in line with the older performance for\n this case.\n\nThe performance changes are:\n\n Old mqueue new mqueue new mqueue + caching\nqueue empty\nsend/recv 305/288ns 349/318ns 310/322ns\n\nI don\u0027t think we\u0027ll ever be able to get the recv performance back, but\nthat\u0027s because the old recv performance was a direct result and\nconsequence of the old methods abysmal send performance. The recv path\nsimply must do more so that the send path does not incur such a penalty\nunder higher queue depths.\n\nAs it turns out, the new caching code also sped up the various queue full\ncases relative to my last patch. That could be because of the difference\nbetween the syscall path in 3.3.4-rc5 and 3.3.4-rc6, or because of the\nchange in code flow in the mq_timedsend routine. Regardless, I\u0027ll take\nit. It wasn\u0027t huge, and I *would* say it was within the margin for error,\nbut after many repeated runs what I\u0027m seeing is that the old numbers trend\nslightly higher (about 10 to 20ns depending on which test is the one\nrunning).\n\n[akpm@linux-foundation.org: checkpatch fixes]\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nCc: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nCc: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "113289cc086f80f28acd06f160a7c6423cdd4191", "tree": "4a50ff35f9cc0b320985a76b5f2e8313635b0f81", "parents": [ "2c12ea498f349207c28840c0ed9654321aab7720" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:36 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "ipc/mqueue: strengthen checks on mqueue creation\n\nWe already check the mq attr struct if it\u0027s passed in, but now that the\nadmin can set system wide defaults separate from maximums, it\u0027s actually\npossible to set the defaults to something that would overflow. So, if\nthere is no attr struct passed in to the open call, check the default\nvalues.\n\nWhile we are at it, simplify mq_attr_ok() by making it return 0 or an\nerror condition, so that way if we add more tests to it later, we have the\noption of what error should be returned instead of the calling location\nhaving to pick a possibly inaccurate error code.\n\n[akpm@linux-foundation.org: s/ENOMEM/EOVERFLOW/]\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2c12ea498f349207c28840c0ed9654321aab7720", "tree": "ef0f938e66a8a8b038e5c6be29e7f27294023c7e", "parents": [ "d6629859b36d953a4b1369b749f178736911bf10" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:36 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "ipc/mqueue: correct mq_attr_ok test\n\nWhile working on the other parts of the mqueue stuff, I noticed that the\ncalculation for overflow in mq_attr_ok didn\u0027t actually match reality (this\nis especially true since my last patch which changed how we account memory\nslightly).\n\nIn particular, we used to test for overflow using:\n msgs * msgsize + msgs * sizeof(struct msg_msg *)\n\nThat was never really correct because each message we allocate via\nload_msg() is actually a struct msg_msg followed by the data for the\nmessage (and if struct msg_msg + data exceeds PAGE_SIZE we end up\nallocating struct msg_msgseg structs too, but accounting for them would\nget really tedious, so let\u0027s ignore those...they\u0027re only a pointer in size\nanyway). This patch updates the calculation to be more accurate in\nregards to maximum possible memory consumption by the mqueue.\n\n[akpm@linux-foundation.org: add a local to simplify overflow-checking expression]\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d6629859b36d953a4b1369b749f178736911bf10", "tree": "154cfc0d8ff3b65f59b9052bcc41edaabf974063", "parents": [ "50069a5851323ba5def0e414a21e234345016870" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:35 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "ipc/mqueue: improve performance of send/recv\n\nThe existing implementation of the POSIX message queue send and recv\nfunctions is, well, abysmal. Even worse than abysmal. I submitted a\npatch to increase the maximum POSIX message queue limit to 65536 due to\ncustomer needs, however, upon looking over the send/recv implementation, I\nrealized that my customer needs help with that too even if they don\u0027t know\nit. The basic problem is that, given the fairly typical use case scenario\nfor a large queue of queueing lots of messages all at the same priority (I\nverified with my customer that this is indeed what their app does), the\nmsg_insert routine is basically a frikkin\u0027 bubble sort. I mean, whoa,\nthat\u0027s *so* middle school.\n\nOK, OK, to not slam the original author too much, I\u0027m sure they didn\u0027t\nenvision a queue depth of 50,000+ messages. No one would think that\nmoving elements in an array, one at a time, and dereferencing each pointer\nin that array to check priority of the message being pointed too, again\none at a time, for 50,000+ times would be good. So let\u0027s assume that, as\nis typical, the users have found a way to break our code simply by using\nit in a way we didn\u0027t envision. Fair enough.\n\n\"So, just how broken is it?\", you ask. I wondered the same thing, so I\nwrote an app to let me know. It\u0027s my next patch. It gave me some\ninteresting results. Here\u0027s what it tested:\n\nInterference with other apps - In continuous mode, the app just sits there\nand hits a message queue forever, while you go do something productive on\nanother terminal using other CPUs. You then measure how long it takes you\nto do that something productive. Then you restart the app in fake\ncontinuous mode, and it sits in a tight loop on a CPU while you repeat\nyour tests. The whole point of this is to keep one CPU tied up (so it\ncan\u0027t be used in your other work) but in one case tied up hitting the\nmqueue code so we can see the effect of walking that 65,528 element array\none pointer at a time on the global CPU cache. If it\u0027s bad, then it will\nslow down your app on the other CPUs just by polluting cache mercilessly.\nIn the fake case, it will be in a tight loop, but not polluting cache.\nTesting the mqueue subsystem directly - Here we just run a number of tests\nto see how the mqueue subsystem performs under different conditions. A\ncouple conditions are known to be worst case for the old system, and some\nroutines, so this tests all of them.\n\nSo, on to the results already:\n\nSubsystem/Test Old New\n\nTime to compile linux\nkernel (make -j12 on a\n6 core CPU)\n Running mqueue test user 49m10.744s user 45m26.294s\n\t\t\t sys 5m51.924s sys 4m59.894s\n\t\t\t total 55m02.668s total 50m26.188s\n\n Running fake test user 45m32.686s user 45m18.552s\n sys 5m12.465s sys 4m56.468s\n total 50m45.151s total 50m15.020s\n\n % slowdown from mqueue\n cache thrashing ~8% ~.5%\n\nAvg time to send/recv (in nanoseconds per message)\n when queue empty 305/288 349/318\n when queue full (65528 messages)\n constant priority 526589/823 362/314\n increasing priority 403105/916 495/445\n decreasing priority 73420/594 482/409\n random priority 280147/920 546/436\n\nTime to fill/drain queue (65528 messages, in seconds)\n constant priority 17.37/.12 .13/.12\n increasing priority 4.14/.14 .21/.18\n decreasing priority 12.93/.13 .21/.18\n random priority 8.88/.16 .22/.17\n\nSo, I think the results speak for themselves. It\u0027s possible this\nimplementation could be improved by cacheing at least one priority level\nin the node tree (that would bring the queue empty performance more in\nline with the old implementation), but this works and is *so* much better\nthan what we had, especially for the common case of a single priority in\nuse, that further refinements can be in follow on patches.\n\n[akpm@linux-foundation.org: fix typo in comment, remove stray semicolon]\n[levinsasha928@gmail.com: use correct gfp flags in msg_insert]\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Sasha Levin \u003clevinsasha928@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "cef0184c115e5e4e10498f6548d9526465e72478", "tree": "752c4116e0f93328239db9ff2c2ed730fef3ce0e", "parents": [ "fd1f87d24d492fda464bedf10a5dd5174ff9b065" ], "author": { "name": "KOSAKI Motohiro", "email": "kosaki.motohiro@jp.fujitsu.com", "time": "Thu May 31 16:26:33 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "mqueue: separate mqueue default value from maximum value\n\nCommit b231cca4381e (\"message queues: increase range limits\") changed\nmqueue default value when attr parameter is specified NULL from hard\ncoded value to fs.mqueue.{msg,msgsize}_max sysctl value.\n\nThis made large side effect. When user need to use two mqueue\napplications 1) using !NULL attr parameter and it require big message\nsize and 2) using NULL attr parameter and only need small size message,\napp (1) require to raise fs.mqueue.msgsize_max and app (2) consume large\nmemory size even though it doesn\u0027t need.\n\nDoug Ledford propsed to switch back it to static hard coded value.\nHowever it also has a compatibility problem. Some applications might\nstarted depend on the default value is tunable.\n\nThe solution is to separate default value from maximum value.\n\nSigned-off-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nAcked-by: Doug Ledford \u003cdledford@redhat.com\u003e\nAcked-by: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Amerigo Wang \u003camwang@redhat.com\u003e\nAcked-by: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Jiri Slaby \u003cjslaby@suse.cz\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "fd1f87d24d492fda464bedf10a5dd5174ff9b065", "tree": "fe2de6c714277ee2ea739d1bfa81a0e539f0a46a", "parents": [ "e6315bb154e778391ce64b194756bd3d108dadf6" ], "author": { "name": "KOSAKI Motohiro", "email": "kosaki.motohiro@jp.fujitsu.com", "time": "Thu May 31 16:26:31 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:31 2012 -0700" }, "message": "mqueue: don\u0027t use kmalloc with KMALLOC_MAX_SIZE\n\nKMALLOC_MAX_SIZE is not a good threshold. It is extremely high and\nproblematic. Unfortunately, some silly drivers depend on this and we\ncan\u0027t change it. But any new code needn\u0027t use such extreme ugly high\norder allocations. It brings us awful fragmentation issues and system\nslowdown.\n\nSigned-off-by: KOSAKI Motohiro \u003cmkosaki@jp.fujitsu.com\u003e\nAcked-by: Doug Ledford \u003cdledford@redhat.com\u003e\nAcked-by: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Amerigo Wang \u003camwang@redhat.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Jiri Slaby \u003cjslaby@suse.cz\u003e\nCc: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "5b5c4d1a1440e94994c73dddbad7be0676cd8b9a", "tree": "fe00ef0f888fbfc40b7542fd8a66cf3368d3d2c7", "parents": [ "02967ea08ede0f8cc7e0526aedffdae65a099b07" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:30 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:30 2012 -0700" }, "message": "ipc/mqueue: update maximums for the mqueue subsystem\n\nCommit b231cca4381e (\"message queues: increase range limits\") changed the\nmaximum size of a message in a message queue from INT_MAX to 8192*128.\nUnfortunately, we had customers that relied on a size much larger than\n8192*128 on their production systems. After reviewing POSIX, we found\nthat it is silent on the maximum message size. We did find a couple other\nareas in which it was not silent. Fix up the mqueue maximums so that the\ncustomer\u0027s system can continue to work, and document both the POSIX and\nreal world requirements in ipc_namespace.h so that we don\u0027t have this\nissue crop back up.\n\nAlso, commit 9cf18e1dd74cd0 (\"ipc: HARD_MSGMAX should be higher not lower\non 64bit\") fiddled with HARD_MSGMAX without realizing that the number was\nintentionally in place to limit the msg queue depth to one that was small\nenough to kmalloc an array of pointers (hence why we divided 128k by\nsizeof(long)). If we wish to meet POSIX requirements, we have no choice\nbut to change our allocation to a vmalloc instead (at least for the large\nqueue size case). With that, it\u0027s possible to increase our allowed\nmaximum to the POSIX requirements (or more if we choose).\n\n[sfr@canb.auug.org.au: using vmalloc requires including vmalloc.h]\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Amerigo Wang \u003camwang@redhat.com\u003e\nCc: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Jiri Slaby \u003cjslaby@suse.cz\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "02967ea08ede0f8cc7e0526aedffdae65a099b07", "tree": "da66e39cf3023f437f43db1f58d510c99b8478fd", "parents": [ "858ee3784e8105467f1f3017f4ece51cb51d4830" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:29 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:30 2012 -0700" }, "message": "ipc/mqueue: enforce hard limits\n\nIn two places we don\u0027t enforce the hard limits for CAP_SYS_RESOURCE apps.\nIn preparation for making more reasonable hard limits, start enforcing\nthem even on CAP_SYS_RESOURCE.\n\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Amerigo Wang \u003camwang@redhat.com\u003e\nCc: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Jiri Slaby \u003cjslaby@suse.cz\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "858ee3784e8105467f1f3017f4ece51cb51d4830", "tree": "c95f55ff8bd29be3a8648acc21118a47b07d117b", "parents": [ "93e6f119c0ce8a1bba6e81dc8dd97d67be360844" ], "author": { "name": "Doug Ledford", "email": "dledford@redhat.com", "time": "Thu May 31 16:26:29 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 31 17:49:30 2012 -0700" }, "message": "ipc/mqueue: switch back to using non-max values on create\n\nCommit b231cca4381e (\"message queues: increase range limits\") changed\nhow we create a queue that does not include an attr struct passed to\nopen so that it creates the queue with whatever the maximum values are.\nHowever, if the admin has set the maximums to allow flexibility in\ncreating a queue (aka, both a large size and large queue are allowed,\nbut combined they create a queue too large for the RLIMIT_MSGQUEUE of\nthe user), then attempts to create a queue without an attr struct will\nfail. Switch back to using acceptable defaults regardless of what the\nmaximums are.\n\nNote: so far, we only know of a few applications that rely on this\nbehavior (specifically, set the maximums in /proc, then run the\napplication which calls mq_open() without passing in an attr struct, and\nthe application expects the newly created message queue to have the\nmaximum sizes that were set in /proc used on the mq_open() call, and all\nof those applications that we know of are actually part of regression\ntest suites that were coded to do something like this:\n\nfor size in 4096 65536 $((1024 * 1024)) $((16 * 1024 * 1024)); do\n\techo $size \u003e /proc/sys/fs/mqueue/msgsize_max\n\tmq_open || echo \"Error opening mq with size $size\"\ndone\n\nThese test suites that depend on any behavior like this are broken. The\nconcept that programs should rely upon the system wide maximum in order\nto get their desired results instead of simply using a attr struct to\nspecify what they want is fundamentally unfriendly programming practice\nfor any multi-tasking OS.\n\nFixing this will break those few apps that we know of (and those app\nauthors recognize the brokenness of their code and the need to fix it).\nHowever, the following patch \"mqueue: separate mqueue default value\"\nallows a workaround in the form of new knobs for the default msg queue\ncreation parameters for any software out there that we don\u0027t already\nknow about that might rely on this behavior at the moment.\n\nSigned-off-by: Doug Ledford \u003cdledford@redhat.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Amerigo Wang \u003camwang@redhat.com\u003e\nCc: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Jiri Slaby \u003cjslaby@suse.cz\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "90324cc1b11a211e37eabd8cb863e1a1561d6b1d", "tree": "c8b79c6850420a114ca6660c1b44fc486b1ba86d", "parents": [ "fb8b00675eb6462aacab56bca31ed6107bda5314", "169ebd90131b2ffca74bb2dbe7eeacd39fb83714" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon May 28 09:54:45 2012 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon May 28 09:54:45 2012 -0700" }, "message": "Merge tag \u0027writeback\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux\n\nPull writeback tree from Wu Fengguang:\n \"Mainly from Jan Kara to avoid iput() in the flusher threads.\"\n\n* tag \u0027writeback\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:\n writeback: Avoid iput() from flusher thread\n vfs: Rename end_writeback() to clear_inode()\n vfs: Move waiting for inode writeback from end_writeback() to evict_inode()\n writeback: Refactor writeback_single_inode()\n writeback: Remove wb-\u003elist_lock from writeback_single_inode()\n writeback: Separate inode requeueing after writeback\n writeback: Move I_DIRTY_PAGES handling\n writeback: Move requeueing when I_SYNC set to writeback_sb_inodes()\n writeback: Move clearing of I_SYNC into inode_sync_complete()\n writeback: initialize global_dirty_limit\n fs: remove 8 bytes of padding from struct writeback_control on 64 bit builds\n mm: page-writeback.c: local functions should not be exposed globally\n" }, { "commit": "dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430", "tree": "42ea94ea733538f797aa745945fc43c4d1b89217", "parents": [ "7994e6f7254354e03028a11f98a27bd67dace9f1" ], "author": { "name": "Jan Kara", "email": "jack@suse.cz", "time": "Thu May 03 14:48:02 2012 +0200" }, "committer": { "name": "Fengguang Wu", "email": "fengguang.wu@intel.com", "time": "Sun May 06 13:43:41 2012 +0800" }, "message": "vfs: Rename end_writeback() to clear_inode()\n\nAfter we moved inode_sync_wait() from end_writeback() it doesn\u0027t make sense\nto call the function end_writeback() anymore. Rename it to clear_inode()\nwhich well says what the function really does - set I_CLEAR flag.\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\nSigned-off-by: Fengguang Wu \u003cfengguang.wu@intel.com\u003e\n" }, { "commit": "76b6db010297d4928ab7b7e7c78dd982f413f0a4", "tree": "0d8fef729548a4f266684c0b7e56e4a9ed14780f", "parents": [ "078de5f706ece36afd73bb4b8283314132d2dfdf" ], "author": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Wed Mar 14 15:24:19 2012 -0700" }, "committer": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Thu May 03 03:28:39 2012 -0700" }, "message": "userns: Replace user_ns_map_uid and user_ns_map_gid with from_kuid and from_kgid\n\nThese function are no longer needed replace them with their more useful equivalents.\n\nAcked-by: Serge Hallyn \u003cserge.hallyn@canonical.com\u003e\nSigned-off-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\n" }, { "commit": "6f9ac6d93a0916de09d11b0a247ade8f4347728b", "tree": "93e47420422e8e99befd2c14aaab75fa167cbb59", "parents": [ "aeb3ae9da9b50a386b22af786d19b623e8d9f0fa" ], "author": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Wed Nov 16 22:57:55 2011 -0800" }, "committer": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Sat Apr 07 16:55:53 2012 -0700" }, "message": "mqueue: Explicitly capture the user namespace to send the notification to.\n\nStop relying on user-\u003euser_ns which is going away and instead capture\nthe user_namespace of the process we are supposed to notify.\n\nAcked-by: Serge Hallyn \u003cserge.hallyn@canonical.com\u003e\nSigned-off-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\n" }, { "commit": "48fde701aff662559b38d9a609574068f22d00fe", "tree": "aa6b203dc671b51d58575b65eb08310ff8309b60", "parents": [ "6b4231e2f92adbcf96fb2a3fa751d7ca0a61b21f" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jan 08 22:15:13 2012 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Mar 20 21:29:35 2012 -0400" }, "message": "switch open-coded instances of d_make_root() to new helper\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "2a4e64b8f6bcbf23ddd375b78342051ae8862284", "tree": "90e753679ca8ff867dc42e84e5a33c90f813c244", "parents": [ "e9a4593cc5e36c6d47c87b439cb41c2568e7395f" ], "author": { "name": "Davidlohr Bueso", "email": "dave@gnu.org", "time": "Fri Jan 20 14:34:01 2012 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jan 23 08:38:47 2012 -0800" }, "message": "ipc/mqueue: simplify reading msgqueue limit\n\nBecause the current task is being used to get the limit, we can simply\nuse rlimit() instead of task_rlimit().\n\nSigned-off-by: Davidlohr Bueso \u003cdave@gnu.org\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6b550f9495947fc279d12c38feaf98500e8d0646", "tree": "ab018bd7e2f8c2c594252f35ffa7c413f86519cf", "parents": [ "b196be89cdc14a88cc637cdad845a75c5886c82d" ], "author": { "name": "Serge E. Hallyn", "email": "serge@hallyn.com", "time": "Tue Jan 10 15:11:37 2012 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jan 10 16:30:54 2012 -0800" }, "message": "user namespace: make signal.c respect user namespaces\n\nipc/mqueue.c: for __SI_MESQ, convert the uid being sent to recipient\u0027s\nuser namespace. (new, thanks Oleg)\n\n__send_signal: convert current\u0027s uid to the recipient\u0027s user namespace\nfor any siginfo which is not SI_FROMKERNEL (patch from Oleg, thanks\nagain :)\n\ndo_notify_parent and do_notify_parent_cldstop: map task\u0027s uid to parent\u0027s\nuser namespace\n\nptrace_signal maps parent\u0027s uid into current\u0027s user namespace before\nincluding in signal to current. IIUC Oleg has argued that this shouldn\u0027t\nmatter as the debugger will play with it, but it seems like not converting\nthe value currently being set is misleading.\n\nChangelog:\nSep 20: Inspired by Oleg\u0027s suggestion, define map_cred_ns() helper to\n\tsimplify callers and help make clear what we are translating\n (which uid into which namespace). Passing the target task would\n\tmake callers even easier to read, but we pass in user_ns because\n\tcurrent_user_ns() !\u003d task_cred_xxx(current, user_ns).\nSep 20: As recommended by Oleg, also put task_pid_vnr() under rcu_read_lock\n\tin ptrace_signal().\nSep 23: In send_signal(), detect when (user) signal is coming from an\n\tancestor or unrelated user namespace. Pass that on to __send_signal,\n\twhich sets si_uid to 0 or overflowuid if needed.\nOct 12: Base on Oleg\u0027s fixup_uid() patch. On top of that, handle all\n\tSI_FROMKERNEL cases at callers, because we can\u0027t assume sender is\n\tcurrent in those cases.\nNov 10: (mhelsley) rename fixup_uid to more meaningful usern_fixup_signal_uid\nNov 10: (akpm) make the !CONFIG_USER_NS case clearer\n\nSigned-off-by: Serge Hallyn \u003cserge.hallyn@canonical.com\u003e\nCc: Oleg Nesterov \u003coleg@redhat.com\u003e\nCc: Matt Helsley \u003cmatthltc@us.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nFrom: Serge Hallyn \u003cserge.hallyn@canonical.com\u003e\nSubject: __send_signal: pass q-\u003einfo, not info, to userns_fixup_signal_uid (v2)\n\nEric Biederman pointed out that passing info is a bug and could lead to a\nNULL pointer deref to boot.\n\nA collection of signal, securebits, filecaps, cap_bounds, and a few other\nltp tests passed with this kernel.\n\nChangelog:\n Nov 18: previous patch missed a leading \u0027\u0026\u0027\n\nSigned-off-by: Serge Hallyn \u003cserge.hallyn@canonical.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nFrom: Dan Carpenter \u003cdan.carpenter@oracle.com\u003e\nSubject: ipc/mqueue: lock() \u003d\u003e unlock() typo\n\nThere was a double lock typo introduced in b085f4bd6b21 \"user namespace:\nmake signal.c respect user namespaces\"\n\nSigned-off-by: Dan Carpenter \u003cdan.carpenter@oracle.com\u003e\nCc: Oleg Nesterov \u003coleg@redhat.com\u003e\nCc: Matt Helsley \u003cmatthltc@us.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nAcked-by: Serge Hallyn \u003cserge@hallyn.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "df0a42837b86567a130c44515ab620d23e7f182b", "tree": "1ea38c71503fddfbeb353b05a6bd85d383b161fd", "parents": [ "5706b27deae29ceee26d0c20112f087a9b841575" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jul 26 05:26:10 2011 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jan 03 22:55:16 2012 -0500" }, "message": "switch mq_open() to umode_t\n" }, { "commit": "1b9d5ff7644ddf2723c9205f4726c95ec01bf033", "tree": "bf08448873111512f0a7fb8f7e880b26e4a23242", "parents": [ "8d334acdd2c1f57c7a574c6f24d08e4c95582ff0" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jul 24 14:18:20 2011 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jan 03 22:55:11 2012 -0500" }, "message": "mqueue: propagate umode_t\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "4acdaf27ebe2034c342f3be57ef49aed1ad885ef", "tree": "d89a876ee19cd88609a587f8aa6c464a52ee6d98", "parents": [ "18bb1db3e7607e4a997d50991a6f9fa5b0f8722c" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jul 26 01:42:34 2011 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jan 03 22:54:53 2012 -0500" }, "message": "switch -\u003ecreate() to umode_t\n\nvfs_create() ignores everything outside of 16bit subset of its\nmode argument; switching it to umode_t is obviously equivalent\nand it\u0027s the only caller of the method\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "6b520e0565422966cdf1c3759bd73df77b0f248c", "tree": "f63a26afa7342eb59b125271b16e30a219b59094", "parents": [ "2a79f17e4a641a2f463cb512cb0ec349844a147b" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Dec 12 15:51:45 2011 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jan 03 22:52:40 2012 -0500" }, "message": "vfs: fix the stupidity with i_dentry in inode destructors\n\nSeeing that just about every destructor got that INIT_LIST_HEAD() copied into\nit, there is no point whatsoever keeping this INIT_LIST_HEAD in inode_init_once();\nthe cost of taking it into inode_init_always() will be negligible for pipes\nand sockets and negative for everything else. Not to mention the removal of\nboilerplate code from -\u003edestroy_inode() instances...\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "6f686574cccc2ef66fb38e41f19cedd81e7b4504", "tree": "3ca07460f6dfc6f083ecdb8dbb96e2f525d97696", "parents": [ "905ad269c55fc62bee3da29f7b1d1efeba8aa1e1" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Dec 09 00:38:50 2011 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Dec 09 00:40:21 2011 -0500" }, "message": "... and the same kind of leak for mqueue\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "32ea845d5bafc37b7406bea1aee3005407cb0900", "tree": "54cfdc8a8fce66a7371b3616fc18b4c676a6fbdd", "parents": [ "fc360bd9cdcf875639a77f07fafec26699c546f3" ], "author": { "name": "Wanlong Gao", "email": "gaowanlong@cn.fujitsu.com", "time": "Mon Oct 31 17:06:35 2011 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 31 17:30:44 2011 -0700" }, "message": "ipc/mqueue.c: fix wrong use of schedule_hrtimeout_range_clock()\n\nFix the wrong use of schedule_hrtimeout_range_clock() in wq_sleep(),\nalthough it is harmless for the syscall mq_timed* now. It was introduced\nby 9ca7d8e (\"mqueue: Convert message queue timeout to use hrtimers\").\n\nSigned-off-by: Wanlong Gao \u003cgaowanlong@cn.fujitsu.com\u003e\nCc: Carsten Emde \u003cC.Emde@osadl.org\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "d40dcdb0172a1ba853464983a059fb45e0aaf61a", "tree": "aa785c01ad6763c92191b86ec10f526fa772b808", "parents": [ "04715206c0c2fd4ec5ca77fa51e3a5b41ce71492" ], "author": { "name": "Jiri Slaby", "email": "jslaby@suse.cz", "time": "Tue Jul 26 16:08:47 2011 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jul 26 16:49:44 2011 -0700" }, "message": "ipc/mqueue.c: fix mq_open() return value\n\nWe return ENOMEM from mqueue_get_inode even when we have enough memory.\nNamely in case the system rlimit of mqueue was reached. This error\npropagates to mq_queue and user sees the error unexpectedly. So fix\nthis up to properly return EMFILE as described in the manpage:\n\n\tEMFILE The process already has the maximum number of files and\n\t message queues open.\n\ninstead of:\n\n\tENOMEM Insufficient memory.\n\nWith the previous patch we just switch to ERR_PTR/PTR_ERR/IS_ERR error\nhandling here.\n\nSigned-off-by: Jiri Slaby \u003cjslaby@suse.cz\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "04715206c0c2fd4ec5ca77fa51e3a5b41ce71492", "tree": "fbead768d176d82e5e1ff6021c030b8cd6d26c9f", "parents": [ "a64a26e822ddb739de464540dfd2cbb6abce47d5" ], "author": { "name": "Jiri Slaby", "email": "jslaby@suse.cz", "time": "Tue Jul 26 16:08:46 2011 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jul 26 16:49:44 2011 -0700" }, "message": "ipc/mqueue.c: refactor failure handling\n\nIf new_inode fails to allocate an inode we need only to return with\nNULL. But now we test the opposite and have all the work in a nested\nblock. So do the opposite to save one indentation level (and remove\nunnecessary line breaks).\n\nThis is only a preparation/cleanup for the next patch where we fix up\nreturn values from mqueue_get_inode.\n\nSigned-off-by: Jiri Slaby \u003cjslaby@suse.cz\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "fa0d7e3de6d6fc5004ad9dea0dd6b286af8f03e9", "tree": "203e0f73883e4c26b5597e36042386a1237dab35", "parents": [ "77812a1ef139d84270d27faacc0630c887411013" ], "author": { "name": "Nick Piggin", "email": "npiggin@kernel.dk", "time": "Fri Jan 07 17:49:49 2011 +1100" }, "committer": { "name": "Nick Piggin", "email": "npiggin@kernel.dk", "time": "Fri Jan 07 17:50:26 2011 +1100" }, "message": "fs: icache RCU free inodes\n\nRCU free the struct inode. This will allow:\n\n- Subsequent store-free path walking patch. The inode must be consulted for\n permissions when walking, so an RCU inode reference is a must.\n- sb_inode_list_lock to be moved inside i_lock because sb list walkers who want\n to take i_lock no longer need to take sb_inode_list_lock to walk the list in\n the first place. This will simplify and optimize locking.\n- Could remove some nested trylock loops in dcache code\n- Could potentially simplify things a bit in VM land. Do not need to take the\n page lock to follow page-\u003emapping.\n\nThe downsides of this is the performance cost of using RCU. In a simple\ncreat/unlink microbenchmark, performance drops by about 10% due to inability to\nreuse cache-hot slab objects. As iterations increase and RCU freeing starts\nkicking over, this increases to about 20%.\n\nIn cases where inode lifetimes are longer (ie. many inodes may be allocated\nduring the average life span of a single inode), a lot of this cache reuse is\nnot applicable, so the regression caused by this patch is smaller.\n\nThe cache-hot regression could largely be avoided by using SLAB_DESTROY_BY_RCU,\nhowever this adds some complexity to list walking and store-free path walking,\nso I prefer to implement this at a later date, if it is shown to be a win in\nreal situations. I haven\u0027t found a regression in any non-micro benchmark so I\ndoubt it will be a problem.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@kernel.dk\u003e\n" }, { "commit": "ceefda6931806972ecf550bd8231dce4a4178953", "tree": "46ed42a053f1ed43c3c110a21637a7b071657c8a", "parents": [ "aed1d84f98738bcc1c605e1ff442de9890441315" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Jul 26 13:16:50 2010 +0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Oct 29 04:17:03 2010 -0400" }, "message": "switch get_sb_ns() users\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "85fe4025c616a7c0ed07bc2fc8c5371b07f3888c", "tree": "7a5db7accb6192f2911f2473b4e3191227b914cc", "parents": [ "f991bd2e14210fb93d722cb23e54991de20e8a3d" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Sat Oct 23 11:19:54 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Oct 25 21:26:11 2010 -0400" }, "message": "fs: do not assign default i_ino in new_inode\n\nInstead of always assigning an increasing inode number in new_inode\nmove the call to assign it into those callers that actually need it.\nFor now callers that need it is estimated conservatively, that is\nthe call is added to all filesystems that do not assign an i_ino\nby themselves. For a few more filesystems we can avoid assigning\nany inode number given that they aren\u0027t user visible, and for others\nit could be done lazily when an inode number is actually needed,\nbut that\u0027s left for later patches.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Dave Chinner \u003cdchinner@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "7de9c6ee3ecffd99e1628e81a5ea5468f7581a1f", "tree": "88787e77ba8a253d0a26aeda4bd5e58532d592e0", "parents": [ "646ec4615cd05972581c9c5342ed7a1e77df17bb" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Oct 23 11:11:40 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Oct 25 21:26:11 2010 -0400" }, "message": "new helper: ihold()\n\nClones an existing reference to inode; caller must already hold one.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "6038f373a3dc1f1c26496e60b6c40b164716f07e", "tree": "a0d3bbd026eea41b9fc36b8c722cbaf56cd9f825", "parents": [ "1ec5584e3edf9c4bf2c88c846534d19cf986ba11" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Sun Aug 15 18:52:59 2010 +0200" }, "committer": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Fri Oct 15 15:53:27 2010 +0200" }, "message": "llseek: automatically add .llseek fop\n\nAll file_operations should get a .llseek operation so we can make\nnonseekable_open the default for future file operations without a\n.llseek pointer.\n\nThe three cases that we can automatically detect are no_llseek, seq_lseek\nand default_llseek. For cases where we can we can automatically prove that\nthe file offset is always ignored, we use noop_llseek, which maintains\nthe current behavior of not returning an error from a seek.\n\nNew drivers should normally not use noop_llseek but instead use no_llseek\nand call nonseekable_open at open time. Existing drivers can be converted\nto do the same when the maintainer knows for certain that no user code\nrelies on calling seek on the device file.\n\nThe generated code is often incorrectly indented and right now contains\ncomments that clarify for each added line why a specific variant was\nchosen. In the version that gets submitted upstream, the comments will\nbe gone and I will manually fix the indentation, because there does not\nseem to be a way to do that using coccinelle.\n\nSome amount of new code is currently sitting in linux-next that should get\nthe same modifications, which I will do at the end of the merge window.\n\nMany thanks to Julia Lawall for helping me learn to write a semantic\npatch that does all this.\n\n\u003d\u003d\u003d\u003d\u003d begin semantic patch \u003d\u003d\u003d\u003d\u003d\n// This adds an llseek\u003d method to all file operations,\n// as a preparation for making no_llseek the default.\n//\n// The rules are\n// - use no_llseek explicitly if we do nonseekable_open\n// - use seq_lseek for sequential files\n// - use default_llseek if we know we access f_pos\n// - use noop_llseek if we know we don\u0027t access f_pos,\n// but we still want to allow users to call lseek\n//\n@ open1 exists @\nidentifier nested_open;\n@@\nnested_open(...)\n{\n\u003c+...\nnonseekable_open(...)\n...+\u003e\n}\n\n@ open exists@\nidentifier open_f;\nidentifier i, f;\nidentifier open1.nested_open;\n@@\nint open_f(struct inode *i, struct file *f)\n{\n\u003c+...\n(\nnonseekable_open(...)\n|\nnested_open(...)\n)\n...+\u003e\n}\n\n@ read disable optional_qualifier exists @\nidentifier read_f;\nidentifier f, p, s, off;\ntype ssize_t, size_t, loff_t;\nexpression E;\nidentifier func;\n@@\nssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)\n{\n\u003c+...\n(\n *off \u003d E\n|\n *off +\u003d E\n|\n func(..., off, ...)\n|\n E \u003d *off\n)\n...+\u003e\n}\n\n@ read_no_fpos disable optional_qualifier exists @\nidentifier read_f;\nidentifier f, p, s, off;\ntype ssize_t, size_t, loff_t;\n@@\nssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)\n{\n... when !\u003d off\n}\n\n@ write @\nidentifier write_f;\nidentifier f, p, s, off;\ntype ssize_t, size_t, loff_t;\nexpression E;\nidentifier func;\n@@\nssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)\n{\n\u003c+...\n(\n *off \u003d E\n|\n *off +\u003d E\n|\n func(..., off, ...)\n|\n E \u003d *off\n)\n...+\u003e\n}\n\n@ write_no_fpos @\nidentifier write_f;\nidentifier f, p, s, off;\ntype ssize_t, size_t, loff_t;\n@@\nssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)\n{\n... when !\u003d off\n}\n\n@ fops0 @\nidentifier fops;\n@@\nstruct file_operations fops \u003d {\n ...\n};\n\n@ has_llseek depends on fops0 @\nidentifier fops0.fops;\nidentifier llseek_f;\n@@\nstruct file_operations fops \u003d {\n...\n .llseek \u003d llseek_f,\n...\n};\n\n@ has_read depends on fops0 @\nidentifier fops0.fops;\nidentifier read_f;\n@@\nstruct file_operations fops \u003d {\n...\n .read \u003d read_f,\n...\n};\n\n@ has_write depends on fops0 @\nidentifier fops0.fops;\nidentifier write_f;\n@@\nstruct file_operations fops \u003d {\n...\n .write \u003d write_f,\n...\n};\n\n@ has_open depends on fops0 @\nidentifier fops0.fops;\nidentifier open_f;\n@@\nstruct file_operations fops \u003d {\n...\n .open \u003d open_f,\n...\n};\n\n// use no_llseek if we call nonseekable_open\n////////////////////////////////////////////\n@ nonseekable1 depends on !has_llseek \u0026\u0026 has_open @\nidentifier fops0.fops;\nidentifier nso ~\u003d \"nonseekable_open\";\n@@\nstruct file_operations fops \u003d {\n... .open \u003d nso, ...\n+.llseek \u003d no_llseek, /* nonseekable */\n};\n\n@ nonseekable2 depends on !has_llseek @\nidentifier fops0.fops;\nidentifier open.open_f;\n@@\nstruct file_operations fops \u003d {\n... .open \u003d open_f, ...\n+.llseek \u003d no_llseek, /* open uses nonseekable */\n};\n\n// use seq_lseek for sequential files\n/////////////////////////////////////\n@ seq depends on !has_llseek @\nidentifier fops0.fops;\nidentifier sr ~\u003d \"seq_read\";\n@@\nstruct file_operations fops \u003d {\n... .read \u003d sr, ...\n+.llseek \u003d seq_lseek, /* we have seq_read */\n};\n\n// use default_llseek if there is a readdir\n///////////////////////////////////////////\n@ fops1 depends on !has_llseek \u0026\u0026 !nonseekable1 \u0026\u0026 !nonseekable2 \u0026\u0026 !seq @\nidentifier fops0.fops;\nidentifier readdir_e;\n@@\n// any other fop is used that changes pos\nstruct file_operations fops \u003d {\n... .readdir \u003d readdir_e, ...\n+.llseek \u003d default_llseek, /* readdir is present */\n};\n\n// use default_llseek if at least one of read/write touches f_pos\n/////////////////////////////////////////////////////////////////\n@ fops2 depends on !fops1 \u0026\u0026 !has_llseek \u0026\u0026 !nonseekable1 \u0026\u0026 !nonseekable2 \u0026\u0026 !seq @\nidentifier fops0.fops;\nidentifier read.read_f;\n@@\n// read fops use offset\nstruct file_operations fops \u003d {\n... .read \u003d read_f, ...\n+.llseek \u003d default_llseek, /* read accesses f_pos */\n};\n\n@ fops3 depends on !fops1 \u0026\u0026 !fops2 \u0026\u0026 !has_llseek \u0026\u0026 !nonseekable1 \u0026\u0026 !nonseekable2 \u0026\u0026 !seq @\nidentifier fops0.fops;\nidentifier write.write_f;\n@@\n// write fops use offset\nstruct file_operations fops \u003d {\n... .write \u003d write_f, ...\n+\t.llseek \u003d default_llseek, /* write accesses f_pos */\n};\n\n// Use noop_llseek if neither read nor write accesses f_pos\n///////////////////////////////////////////////////////////\n\n@ fops4 depends on !fops1 \u0026\u0026 !fops2 \u0026\u0026 !fops3 \u0026\u0026 !has_llseek \u0026\u0026 !nonseekable1 \u0026\u0026 !nonseekable2 \u0026\u0026 !seq @\nidentifier fops0.fops;\nidentifier read_no_fpos.read_f;\nidentifier write_no_fpos.write_f;\n@@\n// write fops use offset\nstruct file_operations fops \u003d {\n...\n .write \u003d write_f,\n .read \u003d read_f,\n...\n+.llseek \u003d noop_llseek, /* read and write both use no f_pos */\n};\n\n@ depends on has_write \u0026\u0026 !has_read \u0026\u0026 !fops1 \u0026\u0026 !fops2 \u0026\u0026 !has_llseek \u0026\u0026 !nonseekable1 \u0026\u0026 !nonseekable2 \u0026\u0026 !seq @\nidentifier fops0.fops;\nidentifier write_no_fpos.write_f;\n@@\nstruct file_operations fops \u003d {\n... .write \u003d write_f, ...\n+.llseek \u003d noop_llseek, /* write uses no f_pos */\n};\n\n@ depends on has_read \u0026\u0026 !has_write \u0026\u0026 !fops1 \u0026\u0026 !fops2 \u0026\u0026 !has_llseek \u0026\u0026 !nonseekable1 \u0026\u0026 !nonseekable2 \u0026\u0026 !seq @\nidentifier fops0.fops;\nidentifier read_no_fpos.read_f;\n@@\nstruct file_operations fops \u003d {\n... .read \u003d read_f, ...\n+.llseek \u003d noop_llseek, /* read uses no f_pos */\n};\n\n@ depends on !has_read \u0026\u0026 !has_write \u0026\u0026 !fops1 \u0026\u0026 !fops2 \u0026\u0026 !has_llseek \u0026\u0026 !nonseekable1 \u0026\u0026 !nonseekable2 \u0026\u0026 !seq @\nidentifier fops0.fops;\n@@\nstruct file_operations fops \u003d {\n...\n+.llseek \u003d noop_llseek, /* no read or write fn */\n};\n\u003d\u003d\u003d\u003d\u003d End semantic patch \u003d\u003d\u003d\u003d\u003d\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nCc: Julia Lawall \u003cjulia@diku.dk\u003e\nCc: Christoph Hellwig \u003chch@infradead.org\u003e\n" }, { "commit": "6d8af64c1c5ad4fd119b371ae70c114ee1f443b1", "tree": "662cf5b2d557c26b38d9cc41fafd34e0af6044bb", "parents": [ "72edc4d0873ba5165c0759264298bf5f55351c7a" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Jun 05 16:29:45 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:58 2010 -0400" }, "message": "switch mqueue to -\u003eevict_inode()\n\n... and since the inodes are never hashed, we can use default -\u003edrop_inode()\njust fine.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "0abbb609ac511fc226b8b1082613193c8ecf8324", "tree": "dc70af8cdfae534b4538fae571525fc5282f224f", "parents": [ "b8a3c6091a2337391ed878693604d712d6420241" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 28 19:06:15 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Jun 04 17:16:27 2010 -0400" }, "message": "mqueue doesn\u0027t need make_bad_inode()\n\nIt never hashes them anyway and does final iput() immediately\nafterwards. With -\u003edrop_inode() being generic_delete_inode()...\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "164d44fd92e79d5bce54d0d62df9f856f7b23925", "tree": "9f21607849b7e684b255578ffdf41951bc31787e", "parents": [ "5bfec46baa3a752393433b8d89d3b2c70820f61d", "d7e81c269db899b800e0963dc4aceece1f82a680" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed May 19 17:11:10 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed May 19 17:11:10 2010 -0700" }, "message": "Merge branch \u0027timers-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip\n\n* \u0027timers-for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:\n clocksource: Add clocksource_register_hz/khz interface\n posix-cpu-timers: Optimize run_posix_cpu_timers()\n time: Remove xtime_cache\n mqueue: Convert message queue timeout to use hrtimers\n hrtimers: Provide schedule_hrtimeout for CLOCK_REALTIME\n timers: Introduce the concept of timer slack for legacy timers\n ntp: Remove tickadj\n ntp: Make time_adjust static\n time: Add xtime, wall_to_monotonic to feature-removal-schedule\n timer: Try to survive timer callback preempt_count leak\n timer: Split out timer function call\n timer: Print function name for timer callbacks modifying preemption count\n time: Clean up warp_clock()\n cpu-timers: Avoid iterating over all threads in fastpath_timer_check()\n cpu-timers: Change SIGEV_NONE timer implementation\n cpu-timers: Return correct previous timer reload value\n cpu-timers: Cleanup arm_timer()\n cpu-timers: Simplify RLIMIT_CPU handling\n" }, { "commit": "a3ed2a15719219769bb095b28009c1d654a419e8", "tree": "22039574b16ad79f9eba06317e8f1ad7cd9d53c3", "parents": [ "de145b44b95b9d3212a82d1c0f29b09778ef33c5" ], "author": { "name": "André Goddard Rosa", "email": "andre.goddard@gmail.com", "time": "Tue May 11 14:07:03 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 11 17:33:42 2010 -0700" }, "message": "mqueue: fix kernel BUG caused by double free() on mq_open()\n\nIn case of aborting because we reach the maximum amount of memory which\ncan be allocated to message queues per user (RLIMIT_MSGQUEUE), we would\ntry to free the message area twice when bailing out: first by the error\nhandling code itself, and then later when cleaning up the inode through\ndelete_inode().\n\nSigned-off-by: André Goddard Rosa \u003candre.goddard@gmail.com\u003e\nCc: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: \u003cstable@kernel.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "dbb6be6d5e974c42bbecd183effaa0df69e1dd8b", "tree": "5735cb47e70853d057a9881dd0ce44b83e88fa63", "parents": [ "6a867a395558a7f882d041783e4cdea6744ca2bf", "b57f95a38233a2e73b679bea4a5453a1cc2a1cc9" ], "author": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Mon May 10 11:59:37 2010 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Mon May 10 14:20:42 2010 +0200" }, "message": "Merge branch \u0027linus\u0027 into timers/core\n\nReason: Further posix_cpu_timer patches depend on mainline changes\n\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n" }, { "commit": "9ca7d8e6834c40a99622bbe4a88aaf64313ae43c", "tree": "27c0e93e23c25a30aec38c1f79cfa3d194681d24", "parents": [ "351b3f7a21e413a9b14d0393171497d2373bd702" ], "author": { "name": "Carsten Emde", "email": "C.Emde@osadl.org", "time": "Fri Apr 02 22:40:20 2010 +0200" }, "committer": { "name": "Thomas Gleixner", "email": "tglx@linutronix.de", "time": "Tue Apr 06 21:50:03 2010 +0200" }, "message": "mqueue: Convert message queue timeout to use hrtimers\n\nThe message queue functions mq_timedsend() and mq_timedreceive()\nhave not yet been converted to use the hrtimer interface.\n\nThis patch replaces the call to schedule_timeout() by a call to\nschedule_hrtimeout() and transforms the expiration time from\ntimespec to ktime as required.\n\n[ tglx: Fixed whitespace wreckage ]\n\nSigned-off-by: Carsten Emde \u003cC.Emde@osadl.org\u003e\nTested-by: Pradyumna Sampath \u003cpradysam@gmail.com\u003e\nCc: Arjan van de Veen \u003carjan@infradead.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nLKML-Reference: \u003c20100402204331.715783034@osadl.org\u003e\nSigned-off-by: Thomas Gleixner \u003ctglx@linutronix.de\u003e\n\n" }, { "commit": "5a0e3ad6af8660be21ca98a971cd00f331318c05", "tree": "5bfb7be11a03176a87296a43ac6647975c00a1d1", "parents": [ "ed391f4ebf8f701d3566423ce8f17e614cde9806" ], "author": { "name": "Tejun Heo", "email": "tj@kernel.org", "time": "Wed Mar 24 17:04:11 2010 +0900" }, "committer": { "name": "Tejun Heo", "email": "tj@kernel.org", "time": "Tue Mar 30 22:02:32 2010 +0900" }, "message": "include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h\n\npercpu.h is included by sched.h and module.h and thus ends up being\nincluded when building most .c files. percpu.h includes slab.h which\nin turn includes gfp.h making everything defined by the two files\nuniversally available and complicating inclusion dependencies.\n\npercpu.h -\u003e slab.h dependency is about to be removed. Prepare for\nthis change by updating users of gfp and slab facilities include those\nheaders directly instead of assuming availability. As this conversion\nneeds to touch large number of source files, the following script is\nused as the basis of conversion.\n\n http://userweb.kernel.org/~tj/misc/slabh-sweep.py\n\nThe script does the followings.\n\n* Scan files for gfp and slab usages and update includes such that\n only the necessary includes are there. ie. if only gfp is used,\n gfp.h, if slab is used, slab.h.\n\n* When the script inserts a new include, it looks at the include\n blocks and try to put the new include such that its order conforms\n to its surrounding. It\u0027s put in the include block which contains\n core kernel includes, in the same order that the rest are ordered -\n alphabetical, Christmas tree, rev-Xmas-tree or at the end if there\n doesn\u0027t seem to be any matching order.\n\n* If the script can\u0027t find a place to put a new include (mostly\n because the file doesn\u0027t have fitting include block), it prints out\n an error message indicating which .h file needs to be added to the\n file.\n\nThe conversion was done in the following steps.\n\n1. The initial automatic conversion of all .c files updated slightly\n over 4000 files, deleting around 700 includes and adding ~480 gfp.h\n and ~3000 slab.h inclusions. The script emitted errors for ~400\n files.\n\n2. Each error was manually checked. Some didn\u0027t need the inclusion,\n some needed manual addition while adding it to implementation .h or\n embedding .c file was more appropriate for others. This step added\n inclusions to around 150 files.\n\n3. The script was run again and the output was compared to the edits\n from #2 to make sure no file was left behind.\n\n4. Several build tests were done and a couple of problems were fixed.\n e.g. lib/decompress_*.c used malloc/free() wrappers around slab\n APIs requiring slab.h to be added manually.\n\n5. The script was run on all .h files but without automatically\n editing them as sprinkling gfp.h and slab.h inclusions around .h\n files could easily lead to inclusion dependency hell. Most gfp.h\n inclusion directives were ignored as stuff from gfp.h was usually\n wildly available and often used in preprocessor macros. Each\n slab.h inclusion directive was examined and added manually as\n necessary.\n\n6. percpu.h was updated not to include slab.h.\n\n7. Build test were done on the following configurations and failures\n were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my\n distributed build env didn\u0027t work with gcov compiles) and a few\n more options had to be turned off depending on archs to make things\n build (like ipr on powerpc/64 which failed due to missing writeq).\n\n * x86 and x86_64 UP and SMP allmodconfig and a custom test config.\n * powerpc and powerpc64 SMP allmodconfig\n * sparc and sparc64 SMP allmodconfig\n * ia64 SMP allmodconfig\n * s390 SMP allmodconfig\n * alpha SMP allmodconfig\n * um on x86_64 SMP allmodconfig\n\n8. percpu.h modifications were reverted so that it could be applied as\n a separate patch and serve as bisection point.\n\nGiven the fact that I had only a couple of failures from tests on step\n6, I\u0027m fairly confident about the coverage of this conversion patch.\nIf there is a breakage, it\u0027s likely to be something in one of the arch\nheaders which should be easily discoverable easily on most builds of\nthe specific arch.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nGuess-its-ok-by: Christoph Lameter \u003ccl@linux-foundation.org\u003e\nCc: Ingo Molnar \u003cmingo@redhat.com\u003e\nCc: Lee Schermerhorn \u003cLee.Schermerhorn@hp.com\u003e\n" }, { "commit": "f1eb1332b8f07e937add24c6fd2ac40b8737a2f4", "tree": "43bfaac596ae20dcab088b870406e58a2bb4b78a", "parents": [ "d6db2ade10852b7c665b361239c3411abaa880b5" ], "author": { "name": "Jiri Slaby", "email": "jslaby@suse.cz", "time": "Wed Mar 10 15:23:05 2010 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Mar 12 15:52:39 2010 -0800" }, "message": "ipc: use rlimit helpers\n\nMake sure compiler won\u0027t do weird things with limits. E.g. fetching them\ntwice may return 2 different values after writable limits are implemented.\n\nI.e. either use rlimit helpers added in\n3e10e716abf3c71bdb5d86b8f507f9e72236c9cd (\"resource: add helpers for\nfetching rlimits\") or ACCESS_ONCE if not applicable.\n\nSigned-off-by: Jiri Slaby \u003cjslaby@suse.cz\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2329e392accdb1b277927e8d9cbf568ba3f3856d", "tree": "f2484c1e6858e1fb8c4f6a4d0549782c7b8b8d05", "parents": [ "8d8ffefaaf63f0468f17fbd1270165e739cf335e" ], "author": { "name": "André Goddard Rosa", "email": "andre.goddard@gmail.com", "time": "Tue Feb 23 04:04:27 2010 -0300" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:48:00 2010 -0500" }, "message": "mqueue: fix typo \"failues\" -\u003e \"failures\"\n\nSigned-off-by: André Goddard Rosa \u003candre.goddard@gmail.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "8d8ffefaaf63f0468f17fbd1270165e739cf335e", "tree": "8e6c8c356c98b94775076c93598e485c9a125cf2", "parents": [ "04db0dde0ee1c29110642dff57fba9e438eb805c" ], "author": { "name": "André Goddard Rosa", "email": "andre.goddard@gmail.com", "time": "Tue Feb 23 04:04:26 2010 -0300" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:48:00 2010 -0500" }, "message": "mqueue: only set error codes if they are really necessary\n\n... postponing assignments until they\u0027re needed. Doesn\u0027t change code size.\n\nSigned-off-by: André Goddard Rosa \u003candre.goddard@gmail.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "04db0dde0ee1c29110642dff57fba9e438eb805c", "tree": "ca80ec3e48470f70d233fcabf4c8d79c4b3c4bc7", "parents": [ "8834cf796a4320be2d3a70b1e4f9aba732a0f4ee" ], "author": { "name": "André Goddard Rosa", "email": "andre.goddard@gmail.com", "time": "Tue Feb 23 04:04:25 2010 -0300" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:48:00 2010 -0500" }, "message": "mqueue: simplify do_open() error handling\n\nIt reduces code size:\ntext data bss dec hex filename\n9925 72 16 10013 271d ipc/mqueue-BEFORE.o\n9885 72 16 9973 26f5 ipc/mqueue-AFTER.o\n\nSigned-off-by: André Goddard Rosa \u003candre.goddard@gmail.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "8834cf796a4320be2d3a70b1e4f9aba732a0f4ee", "tree": "b8bde5dde82715a3e69cf5fc0e01430c848588f5", "parents": [ "c8308b1c91056b09e96d40dbde4880ea685c377e" ], "author": { "name": "André Goddard Rosa", "email": "andre.goddard@gmail.com", "time": "Tue Feb 23 04:04:24 2010 -0300" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:48:00 2010 -0500" }, "message": "mqueue: apply mathematics distributivity on mq_bytes calculation\n\nCode size reduction:\n text data bss dec hex filename\n 9941 72 16 10029 272d ipc/mqueue-BEFORE.o\n 9925 72 16 10013 271d ipc/mqueue-AFTER.o\n\nSigned-off-by: André Goddard Rosa \u003candre.goddard@gmail.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "c8308b1c91056b09e96d40dbde4880ea685c377e", "tree": "bfaf1f636ef161f5410cd8ba8a1e3b023fd0c33b", "parents": [ "4294a8eedb17bbc45e1e7447c2a4d05332943248" ], "author": { "name": "André Goddard Rosa", "email": "andre.goddard@gmail.com", "time": "Tue Feb 23 04:04:23 2010 -0300" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:47:59 2010 -0500" }, "message": "mqueue: remove unneeded info-\u003emessages initialization\n\n... and abort earlier if we couldn\u0027t allocate the message pointers array,\navoiding the u-\u003emq_bytes accounting logic.\n\nIt reduces code size:\n text data bss dec hex filename\n 9949 72 16 10037 2735 ipc/mqueue-BEFORE.o\n 9941 72 16 10029 272d ipc/mqueue-AFTER.o\n\nSigned-off-by: André Goddard Rosa \u003candre.goddard@gmail.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "4294a8eedb17bbc45e1e7447c2a4d05332943248", "tree": "db83b372de61b43208e08a97dd5f0280552d7ffa", "parents": [ "4919c5e45a91b5db5a41695fe0357fbdff0d5767" ], "author": { "name": "André Goddard Rosa", "email": "andre.goddard@gmail.com", "time": "Tue Feb 23 04:04:28 2010 -0300" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:46:05 2010 -0500" }, "message": "mqueue: fix mq_open() file descriptor leak on user-space processes\n\nWe leak fd on lookup_one_len() failure\n\nSigned-off-by: André Goddard Rosa \u003candre.goddard@gmail.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "b65a9cfc2c38eebc33533280b8ad5841caee8b6e", "tree": "d6e5b713615cc5e65c900162ab09235ae4847909", "parents": [ "0552f879d45cecc35d8e372a591fc5ed863bca58" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Dec 16 06:27:40 2009 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Dec 16 12:16:47 2009 -0500" }, "message": "Untangling ima mess, part 2: deal with counters\n\n* do ima_get_count() in __dentry_open()\n* stop doing that in followups\n* move ima_path_check() to right after nameidata_to_filp()\n* don\u0027t bump counters on it\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "b87221de6a4934eda856475a0065688d12973a04", "tree": "6bcf0628e106c4833538f4c23d710fbbe3d7609a", "parents": [ "0d54b217a247f39605361f867fefbb9e099a5432" ], "author": { "name": "Alexey Dobriyan", "email": "adobriyan@gmail.com", "time": "Mon Sep 21 17:01:09 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Sep 22 07:17:24 2009 -0700" }, "message": "const: mark remaining super_operations const\n\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "46690f3718d95e9bb712b6f2b5c869f8494521de", "tree": "3720022762b6df7c635b6a07e5c779e9b01ead63", "parents": [ "4142ac678a864972ce1dfad6d9cb22f075fee5de" ], "author": { "name": "Mimi Zohar", "email": "zohar@linux.vnet.ibm.com", "time": "Fri Jun 26 11:24:05 2009 -0400" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Mon Jun 29 08:56:46 2009 +1000" }, "message": "integrity: ima mq_open imbalance msg fix\n\nThis patch fixes an imbalance message as reported by Sanchin Sant.\nAs we don\u0027t need to measure the message queue, just increment the\ncounters.\n\nReported-by: Sanchin Sant \u003csanchinp@in.ibm.com\u003e\nSigned-off-by: Mimi Zohar \u003czohar@us.ibm.com\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "bdc8e5f85f9abe2e7c78dcf39d81f9a97178788b", "tree": "a25a9d10f3686c4cb309d2477376ee585322ef43", "parents": [ "7eafd7c74c3f2e67c27621b987b28397110d643f" ], "author": { "name": "Serge E. Hallyn", "email": "serue@us.ibm.com", "time": "Mon Apr 06 19:01:11 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Apr 07 08:31:09 2009 -0700" }, "message": "namespaces: mqueue namespace: adapt sysctl\n\nLargely inspired from ipc/ipc_sysctl.c. This patch isolates the mqueue\nsysctl stuff in its own file.\n\n[akpm@linux-foundation.org: build fix]\nSigned-off-by: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nSigned-off-by: Nadia Derbey \u003cNadia.Derbey@bull.net\u003e\nSigned-off-by: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7eafd7c74c3f2e67c27621b987b28397110d643f", "tree": "b4621aab78b6303f20386096c230b993044a4db7", "parents": [ "614b84cf4e4a920d2af32b8f147ea1e3b8c27ea6" ], "author": { "name": "Serge E. Hallyn", "email": "serue@us.ibm.com", "time": "Mon Apr 06 19:01:10 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Apr 07 08:31:09 2009 -0700" }, "message": "namespaces: ipc namespaces: implement support for posix msqueues\n\nImplement multiple mounts of the mqueue file system, and link it to usage\nof CLONE_NEWIPC.\n\nEach ipc ns has a corresponding mqueuefs superblock. When a user does\nclone(CLONE_NEWIPC) or unshare(CLONE_NEWIPC), the unshare will cause an\ninternal mount of a new mqueuefs sb linked to the new ipc ns.\n\nWhen a user does \u0027mount -t mqueue mqueue /dev/mqueue\u0027, he mounts the\nmqueuefs superblock.\n\nPosix message queues can be worked with both through the mq_* system calls\n(see mq_overview(7)), and through the VFS through the mqueue mount. Any\nusage of mq_open() and friends will work with the acting task\u0027s ipc\nnamespace. Any actions through the VFS will work with the mqueuefs in\nwhich the file was created. So if a user doesn\u0027t remount mqueuefs after\nunshare(CLONE_NEWIPC), mq_open(\"/ab\") will not be reflected in \"ls\n/dev/mqueue\".\n\nIf task a mounts mqueue for ipc_ns:1, then clones task b with a new ipcns,\nipcns:2, and then task a is the last task in ipc_ns:1 to exit, then (1)\nipc_ns:1 will be freed, (2) it\u0027s superblock will live on until task b\numounts the corresponding mqueuefs, and vfs actions will continue to\nsucceed, but (3) sb-\u003es_fs_info will be NULL for the sb corresponding to\nthe deceased ipc_ns:1.\n\nTo make this happen, we must protect the ipc reference count when\n\na) a task exits and drops its ipcns-\u003ecount, since it might be dropping\n it to 0 and freeing the ipcns\n\nb) a task accesses the ipcns through its mqueuefs interface, since it\n bumps the ipcns refcount and might race with the last task in the ipcns\n exiting.\n\nSo the kref is changed to an atomic_t so we can use\natomic_dec_and_lock(\u0026ns-\u003ecount,mq_lock), and every access to the ipcns\nthrough ns \u003d mqueuefs_sb-\u003es_fs_info is protected by the same lock.\n\nSigned-off-by: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nSigned-off-by: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "614b84cf4e4a920d2af32b8f147ea1e3b8c27ea6", "tree": "52478e38cd400042bd89f123c4101c95943ae492", "parents": [ "909e6d94795654040ed416ac69858d5d2ce66dd3" ], "author": { "name": "Serge E. Hallyn", "email": "serue@us.ibm.com", "time": "Mon Apr 06 19:01:08 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Apr 07 08:31:09 2009 -0700" }, "message": "namespaces: mqueue ns: move mqueue_mnt into struct ipc_namespace\n\nMove mqueue vfsmount plus a few tunables into the ipc_namespace struct.\nThe CONFIG_IPC_NS boolean and the ipc_namespace struct will serve both the\nposix message queue namespaces and the SYSV ipc namespaces.\n\nThe sysctl code will be fixed separately in patch 3. After just this\npatch, making a change to posix mqueue tunables always changes the values\nin the initial ipc namespace.\n\nSigned-off-by: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nSigned-off-by: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ce3b0f8d5c2203301fc87f3aaaed73e5819e2a48", "tree": "ab952affafe18e604f6aaf6b13315b9435588e60", "parents": [ "f1191b50ec11c8e2ca766d6d99eb5bb9d2c084a3" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Mar 29 19:08:22 2009 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Mar 31 23:00:26 2009 -0400" }, "message": "New helper - current_umask()\n\ncurrent-\u003efs-\u003eumask is what most of fs_struct users are doing.\nPut that into a helper function.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "db1dd4d376134eba0e08af523b61cc566a4ea1cd", "tree": "8882c673abbaa5713511b7046493fa862b9140d1", "parents": [ "684999149002dd046269666a390458e0acb38280" ], "author": { "name": "Jonathan Corbet", "email": "corbet@lwn.net", "time": "Fri Feb 06 15:25:24 2009 -0700" }, "committer": { "name": "Jonathan Corbet", "email": "corbet@lwn.net", "time": "Mon Mar 16 08:32:27 2009 -0600" }, "message": "Use f_lock to protect f_flags\n\nTraditionally, changes to struct file-\u003ef_flags have been done under BKL\nprotection, or with no protection at all. This patch causes all f_flags\nchanges after file open/creation time to be done under protection of\nf_lock. This allows the removal of some BKL usage and fixes a number of\nlongstanding (if microscopic) races.\n\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Al Viro \u003cviro@ZenIV.linux.org.uk\u003e\nSigned-off-by: Jonathan Corbet \u003ccorbet@lwn.net\u003e\n" }, { "commit": "c4ea37c26a691ad0b7e86aa5884aab27830e95c9", "tree": "4a3bd25e61cd3782f535ad2140a01bf3835dca4f", "parents": [ "d5460c9974a321a194aded4a8c4daaac68ea8171" ], "author": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Wed Jan 14 14:14:28 2009 +0100" }, "committer": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Wed Jan 14 14:15:29 2009 +0100" }, "message": "[CVE-2009-0029] System call wrappers part 26\n\nSigned-off-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\n" }, { "commit": "d5460c9974a321a194aded4a8c4daaac68ea8171", "tree": "26c70e33e9c8ca61a8d2d88422a9672200501754", "parents": [ "e48fbb699f82ef1e80bd7126046394d2dc9ca7e6" ], "author": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Wed Jan 14 14:14:27 2009 +0100" }, "committer": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Wed Jan 14 14:15:28 2009 +0100" }, "message": "[CVE-2009-0029] System call wrappers part 25\n\nSigned-off-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\n" }, { "commit": "2ed7c03ec17779afb4fcfa3b8c61df61bd4879ba", "tree": "4e0fefd574bab5470a02edf439727f472a9663c6", "parents": [ "4c696ba7982501d43dea11dbbaabd2aa8a19cc42" ], "author": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Wed Jan 14 14:13:54 2009 +0100" }, "committer": { "name": "Heiko Carstens", "email": "heiko.carstens@de.ibm.com", "time": "Wed Jan 14 14:15:14 2009 +0100" }, "message": "[CVE-2009-0029] Convert all system calls to return a long\n\nConvert all system calls to return a long. This should be a NOP since all\nconverted types should have the same size anyway.\nWith the exception of sys_exit_group which returned void. But that doesn\u0027t\nmatter since the system call doesn\u0027t return.\n\nSigned-off-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\n" }, { "commit": "a6684999f7c6bddd75cf9755ad7ff44435f72fff", "tree": "4275daa54c1868ab289e361fec0ced01c891ec33", "parents": [ "61bce0f1371cfff497fe85594fd39d1a0b15ebe1" ], "author": { "name": "Sukadev Bhattiprolu", "email": "sukadev@linux.vnet.ibm.com", "time": "Wed Jan 07 18:08:50 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jan 08 08:31:12 2009 -0800" }, "message": "mqueue: fix si_pid value in mqueue do_notify()\n\nIf a process registers for asynchronous notification on a POSIX message\nqueue, it gets a signal and a siginfo_t structure when a message arrives\non the message queue. The si_pid in the siginfo_t structure is set to the\nPID of the process that sent the message to the message queue.\n\nThe principle is the following:\n. when mq_notify(SIGEV_SIGNAL) is called, the caller registers for\n notification when a msg arrives. The associated pid structure is stroed into\n inode_info-\u003enotify_owner. Let\u0027s call this process P1.\n. when mq_send() is called by say P2, P2 sends a signal to P1 to notify\n him about msg arrival.\n\nThe way .si_pid is set today is not correct, since it doesn\u0027t take into account\nthe fact that the process that is sending the message might not be in the\nsame namespace as the notified one.\n\nThis patch proposes to set si_pid to the sender\u0027s pid into the notify_owner\nnamespace.\n\nSigned-off-by: Nadia Derbey \u003cNadia.Derbey@bull.net\u003e\nSigned-off-by: Sukadev Bhattiprolu \u003csukadev@linux.vnet.ibm.com\u003e\nAcked-by: Oleg Nesterov \u003coleg@redhat.com\u003e\nCc: Roland McGrath \u003croland@redhat.com\u003e\nCc: Bastian Blank \u003cbastian@waldi.eu.org\u003e\nCc: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nCc: Eric W. Biederman \u003cebiederm@xmission.com\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "520c85346666d4d9a6fcaaa8450542302dc28b91", "tree": "9c9cc9e2493b606104dd8602302ae28258ebeac0", "parents": [ "e8c82c2e23e3527e0c9dc195e432c16784d270fa", "4ae8978cf92a96257cd8998a49e781be83571d64" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jan 05 18:32:06 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jan 05 18:32:06 2009 -0800" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:\n inotify: fix type errors in interfaces\n fix breakage in reiserfs_new_inode()\n fix the treatment of jfs special inodes\n vfs: remove duplicate code in get_fs_type()\n add a vfs_fsync helper\n sys_execve and sys_uselib do not call into fsnotify\n zero i_uid/i_gid on inode allocation\n inode-\u003ei_op is never NULL\n ntfs: don\u0027t NULL i_op\n isofs check for NULL -\u003ei_op in root directory is dead code\n affs: do not zero -\u003ei_op\n kill suid bit only for regular files\n vfs: lseek(fd, 0, SEEK_CUR) race condition\n" }, { "commit": "56ff5efad96182f4d3cb3dc6b07396762c658f16", "tree": "cb91f93aa2324573527165d56d230b606a3111ed", "parents": [ "acfa4380efe77e290d3a96b11cd4c9f24f4fbb18" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Dec 09 09:34:39 2008 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Jan 05 11:54:28 2009 -0500" }, "message": "zero i_uid/i_gid on inode allocation\n\n... and don\u0027t bother in callers. Don\u0027t bother with zeroing i_blocks,\nwhile we are at it - it\u0027s already been zeroed.\n\ni_mode is not worth the effort; it has no common default value.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "564f6993ffef656aebaf46cf2f1f6cb4f5c97207", "tree": "0bf1ee553ab1241338fe522ffbaed8cd48e10c99", "parents": [ "c32c8af43b9adde8d6f938d8e6328c13b8de79ac" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Dec 14 04:02:26 2008 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jan 04 15:14:41 2009 -0500" }, "message": "sanitize audit_mq_open()\n\n* don\u0027t bother with allocations\n* don\u0027t do double copy_from_user()\n* don\u0027t duplicate parts of check for audit_dummy_context()\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "c32c8af43b9adde8d6f938d8e6328c13b8de79ac", "tree": "6377079bba7530d2aa8a688ebf9ba3e09ae085a7", "parents": [ "20114f71b27cafeb7c7e41d2b0f0b68c3fbb022b" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Dec 14 03:46:48 2008 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jan 04 15:14:40 2009 -0500" }, "message": "sanitize AUDIT_MQ_SENDRECV\n\n* logging the original value of *msg_prio in mq_timedreceive(2)\n is insane - the argument is write-only (i.e. syscall always\n ignores the original value and only overwrites it).\n* merge __audit_mq_timed{send,receive}\n* don\u0027t do copy_from_user() twice\n* don\u0027t mess with allocations in auditsc part\n* ... and don\u0027t bother checking !audit_enabled and !context in there -\n we\u0027d already checked for audit_dummy_context().\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "20114f71b27cafeb7c7e41d2b0f0b68c3fbb022b", "tree": "fcbb481cfec8c11f103ba07dbb08819de3822d80", "parents": [ "7392906ea915b9a2c14dea32b3604b4e178f82f7" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Dec 10 07:16:12 2008 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jan 04 15:14:40 2009 -0500" }, "message": "sanitize audit_mq_notify()\n\n* don\u0027t copy_from_user() twice\n* don\u0027t bother with allocations\n* don\u0027t duplicate parts of audit_dummy_context()\n* make it return void\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "7392906ea915b9a2c14dea32b3604b4e178f82f7", "tree": "1e4fbe56e3738fade213ef805ec274ea74ac6a1b", "parents": [ "e816f370cbadd2afea9f1a42f232d0636137d563" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Dec 10 06:58:59 2008 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Jan 04 15:14:40 2009 -0500" }, "message": "sanitize audit_mq_getsetattr()\n\n* get rid of allocations\n* make it return void\n* don\u0027t duplicate parts of audit_dummy_context()\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "745ca2475a6ac596e3d8d37c2759c0fbe2586227", "tree": "f87c34bdfbc8542477b16a014bbb4e3b415b286a", "parents": [ "88e67f3b8898c5ea81d2916dd5b8bc9c0c35ba13" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Nov 14 10:39:22 2008 +1100" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Fri Nov 14 10:39:22 2008 +1100" }, "message": "CRED: Pass credentials through dentry_open()\n\nPass credentials through dentry_open() so that the COW creds patch can have\nSELinux\u0027s flush_unauthorized_files() pass the appropriate creds back to itself\nwhen it opens its null chardev.\n\nThe security_dentry_open() call also now takes a creds pointer, as does the\ndentry_open hook in struct security_operations.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: James Morris \u003cjmorris@namei.org\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "86a264abe542cfececb4df129bc45a0338d8cdb9", "tree": "30152f04ba847f311028d5ca697f864c16c7ebb3", "parents": [ "f1752eec6145c97163dbce62d17cf5d928e28a27" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Nov 14 10:39:18 2008 +1100" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Fri Nov 14 10:39:18 2008 +1100" }, "message": "CRED: Wrap current-\u003ecred and a few other accessors\n\nWrap current-\u003ecred and a few other accessors to hide their actual\nimplementation.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: James Morris \u003cjmorris@namei.org\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "b6dff3ec5e116e3af6f537d4caedcad6b9e5082a", "tree": "9e76f972eb7ce9b84e0146c8e4126a3f86acb428", "parents": [ "15a2460ed0af7538ca8e6c610fe607a2cd9da142" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Nov 14 10:39:16 2008 +1100" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Fri Nov 14 10:39:16 2008 +1100" }, "message": "CRED: Separate task security context from task_struct\n\nSeparate the task security context from task_struct. At this point, the\nsecurity data is temporarily embedded in the task_struct with two pointers\npointing to it.\n\nNote that the Alpha arch is altered as it refers to (E)UID and (E)GID in\nentry.S via asm-offsets.\n\nWith comment fixes Signed-off-by: Marc Dionne \u003cmarc.c.dionne@gmail.com\u003e\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: James Morris \u003cjmorris@namei.org\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "414c0708d0d60eccf8345c405ac81cf32c43e901", "tree": "5c3a5bd4c421176164475f87dc2f3cdb0de905e0", "parents": [ "da9592edebceeba1b9301beafe80ec8b9c2db0ce" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Nov 14 10:39:06 2008 +1100" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Fri Nov 14 10:39:06 2008 +1100" }, "message": "CRED: Wrap task credential accesses in the SYSV IPC subsystem\n\nWrap access to task credentials so that they can be separated more easily from\nthe task_struct during the introduction of COW creds.\n\nChange most current-\u003e(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id().\n\nChange some task-\u003ee?[ug]id to task_e?[ug]id(). In some places it makes more\nsense to use RCU directly rather than a convenient wrapper; these will be\naddressed by later patches.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nReviewed-by: James Morris \u003cjmorris@namei.org\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "b231cca4381ee15ec99afbfb244fbc0324869927", "tree": "1539fb250a15e6098c1e2ff4c98b166e5f6f1e3a", "parents": [ "acd99dbf54020f5c80b9aa2f2ea86f43cb285b02" ], "author": { "name": "Joe Korty", "email": "joe.korty@ccur.com", "time": "Sat Oct 18 20:28:32 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 20 08:52:40 2008 -0700" }, "message": "message queues: increase range limits\n\nIncrease the range of various posix message queue limits.\n\nPosix gives the message queue user the ability to \u0027trade off\u0027 the maximum\nsize of messages with the number of possible messages that can be \u0027in\nflight\u0027. Linux currently makes this trade off more restrictive than it\nneeds to be.\n\nIn particular, the maximum message size today can be made no smaller than\n8192. This greatly restricts those applications that would like to have\nthe ability to post large numbers of very small messages.\n\nSo this task lowers the limit that the maximum message size can be set to,\nfrom 8192 to 128. It also lowers the limit that the maximum #number of\nmessages in flight can be set to, from 10 to 1.\n\nWith these changes the message queue user can make better trade offs\nbetween #messages and message size, in order to get everything to fit\nwithin the setrlimit(RLIMIT_MSGQUEUE) limit for that particular user.\n\nThis patch also applies the values in\n\n\t/proc/sys/fs/mqueue/msg_max\n\t/proc/sys/fs/mqueue/msgsize_max\n\nas the defaults for the max #messages allowed and the max message size\nallowed, respectively, for those applications that do not supply these.\nPreviously, the defaults were hardwired to 10 and 8192, respectively.\n\n[akpm@linux-foundation.org: coding-style fixes]\nSigned-off-by: Joe Korty \u003cjoe.korty@ccur.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nCc: Nadia Derbey \u003cNadia.Derbey@bull.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f419a2e3b64def707e1384ee38abb77f99af5f6d", "tree": "adbe12c510f04cf25ca6f822ee8004c8679a3a63", "parents": [ "30524472c2f728c20d6bf35191042a5d455c0a64" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Jul 22 00:07:17 2008 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Jul 26 20:53:31 2008 -0400" }, "message": "[PATCH] kill nameidata passing to permission(), rename to inode_permission()\n\nIncidentally, the name that gives hundreds of false positives on grep\nis not a good idea...\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "51cc50685a4275c6a02653670af9f108a64e01cf", "tree": "819d47bd2b0c8a9d1835d863853804b0a0242b97", "parents": [ "d91958815d214ea365b98cbff6215383897edcb6" ], "author": { "name": "Alexey Dobriyan", "email": "adobriyan@gmail.com", "time": "Fri Jul 25 19:45:34 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Jul 26 12:00:07 2008 -0700" }, "message": "SL*B: drop kmem cache argument from constructor\n\nKmem cache passed to constructor is only needed for constructors that are\nthemselves multiplexeres. Nobody uses this \"feature\", nor does anybody uses\npassed kmem cache in non-trivial way, so pass only pointer to object.\n\nNon-trivial places are:\n\tarch/powerpc/mm/init_64.c\n\tarch/powerpc/mm/hugetlbpage.c\n\nThis is flag day, yes.\n\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nAcked-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nAcked-by: Christoph Lameter \u003ccl@linux-foundation.org\u003e\nCc: Jon Tollefson \u003ckniht@linux.vnet.ibm.com\u003e\nCc: Nick Piggin \u003cnickpiggin@yahoo.com.au\u003e\nCc: Matt Mackall \u003cmpm@selenic.com\u003e\n[akpm@linux-foundation.org: fix arch/powerpc/mm/hugetlbpage.c]\n[akpm@linux-foundation.org: fix mm/slab.c]\n[akpm@linux-foundation.org: fix ubifs]\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f1a43f93f0f3bab418800eaccb9e2e3b5427e173", "tree": "d39b73f1de7f16c74f5c304646dbadc728689fa8", "parents": [ "380af1b33b3ff92df5cda96329b58f5d1b6b5a53" ], "author": { "name": "Akinobu Mita", "email": "akinobu.mita@gmail.com", "time": "Fri Jul 25 01:48:07 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 25 10:53:42 2008 -0700" }, "message": "ipc: use simple_read_from_buffer()\n\nAlso this patch kills unneccesary trailing NULL character.\n\nSigned-off-by: Akinobu Mita \u003cakinobu.mita@gmail.com\u003e\nCc: Nadia Derbey \u003cNadia.Derbey@bull.net\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nCc: Pierre Peiffer \u003cpeifferp@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "9457afee85e0dfc2b5075a391d6f34463b4c2b90", "tree": "39cf1262030ef195876c916a6f64201d66c48312", "parents": [ "40aecb1b13f50d96616abb612c17e59457f54263" ], "author": { "name": "Denis V. Lunev", "email": "den@openvz.org", "time": "Thu Jun 05 11:23:39 2008 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Thu Jun 05 11:23:39 2008 -0700" }, "message": "netlink: Remove nonblock parameter from netlink_attachskb\n\nSigned-off-by: Denis V. Lunev \u003cden@openvz.org\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "269f21344b23e552c21c9e2d7ca258479dcd7a0a", "tree": "cca8c73bba632a716c901c9843cc865cd40ad9ee", "parents": [ "d35c7b0e54a596c5a8134d75999b7f391a9c6550" ], "author": { "name": "Ulrich Drepper", "email": "drepper@redhat.com", "time": "Sat May 03 15:28:45 2008 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat May 03 13:50:33 2008 -0700" }, "message": "tiny mq_open optimization\n\nA very small cleanup for mq_open.\n\nWe do not have to call set_close_on_exit if we create the file\ndescriptor right away with the flag set. We have a function for this\nnow. The resulting code is smaller and a tiny bit faster.\n\nSigned-off-by: Ulrich Drepper \u003cdrepper@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "4a3fd211ccfc08a88edc824300e25a87785c6a5f", "tree": "99f1a76a99fa78464b8de731f7fdb5bcc9667a5e", "parents": [ "42a74f206b914db13ee1f5ae932dcd91a77c8579" ], "author": { "name": "Dave Hansen", "email": "haveblue@us.ibm.com", "time": "Fri Feb 15 14:37:48 2008 -0800" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Apr 19 00:29:25 2008 -0400" }, "message": "[PATCH] r/o bind mounts: elevate write count for open()s\n\nThis is the first really tricky patch in the series. It elevates the writer\ncount on a mount each time a non-special file is opened for write.\n\nWe used to do this in may_open(), but Miklos pointed out that __dentry_open()\nis used as well to create filps. This will cover even those cases, while a\ncall in may_open() would not have.\n\nThere is also an elevated count around the vfs_create() call in open_namei().\nSee the comments for more details, but we need this to fix a \u0027create, remount,\nfail r/w open()\u0027 race.\n\nSome filesystems forego the use of normal vfs calls to create\nstruct files. Make sure that these users elevate the mnt\nwriter count because they will get __fput(), and we need\nto make sure they\u0027re balanced.\n\nAcked-by: Al Viro \u003cviro@ZenIV.linux.org.uk\u003e\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "0622753b800e4cc6cb9319b36b27658c72dd7cdc", "tree": "5a32b65a087ff7fd5effa8d3f6f1f9717d4391aa", "parents": [ "49e0d02cf018d4edf24bfc8531a816a26367e4ce" ], "author": { "name": "Dave Hansen", "email": "haveblue@us.ibm.com", "time": "Fri Feb 15 14:37:34 2008 -0800" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Apr 19 00:25:33 2008 -0400" }, "message": "[PATCH] r/o bind mounts: elevate write count for rmdir and unlink.\n\nElevate the write count during the vfs_rmdir() and vfs_unlink().\n\n[AV: merged rmdir and unlink parts, added missing pieces in nfsd]\n\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nAcked-by: Al Viro \u003cviro@ZenIV.linux.org.uk\u003e\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "56496c1d83dfae0c74e2f43adb45d2d95e16c0d5", "tree": "36cdf6421d0b26e8372dd1167a1ecd18f73fc3a5", "parents": [ "6c5f3e7b43300508fe3947ff3cfff0f86043bb57" ], "author": { "name": "Pavel Emelyanov", "email": "xemul@openvz.org", "time": "Fri Feb 08 04:19:21 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 08 09:22:29 2008 -0800" }, "message": "Pidns: fix badly converted mqueues pid handling\n\nWhen sending the pid namespaces patches I wrongly converted the tsk-\u003etgid into\ntask_pid_vnr(tsk) in mqueue-s (the git id of this patch is\nb488893a390edfe027bae7a46e9af8083e740668).\n\nThe proper behavior is to get the task_tgid_vnr(tsk).\n\nThis seem to be the only mistake of that kind.\n\nSigned-off-by: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6c5f3e7b43300508fe3947ff3cfff0f86043bb57", "tree": "9843b8897ec3357b09f62bb6423cd4753e1d4516", "parents": [ "fea9d175545b38cb3e84569400419eb81bc90fa3" ], "author": { "name": "Pavel Emelyanov", "email": "xemul@openvz.org", "time": "Fri Feb 08 04:19:20 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 08 09:22:29 2008 -0800" }, "message": "Pidns: make full use of xxx_vnr() calls\n\nSome time ago the xxx_vnr() calls (e.g. pid_vnr or find_task_by_vpid) were\n_all_ converted to operate on the current pid namespace. After this each call\nlike xxx_nr_ns(foo, current-\u003ensproxy-\u003epid_ns) is nothing but a xxx_vnr(foo)\none.\n\nSwitch all the xxx_nr_ns() callers to use the xxx_vnr() calls where\nappropriate.\n\nSigned-off-by: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nReviewed-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "fd79b77117f16264206ed2618199d42e93cc8f09", "tree": "5441a9bea8e58106a419e910eb547fe731539ac4", "parents": [ "75d427982fef672b3608ae809b8819ec6358edfe" ], "author": { "name": "Pavel Emelyanov", "email": "xemul@openvz.org", "time": "Wed Nov 28 16:21:31 2007 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Nov 29 09:24:52 2007 -0800" }, "message": "ipc: lost unlock and fput in mqueue.c on error path\n\nThe error path in sys_mq_getsetattr() after the call to\naudit_mq_getsetattr() is wrong - the info-\u003elock is not unlocked and the\nstruct file *filp is not put.\n\nFix them both.\n\nSigned-off-by: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nCc: Pierre Peiffer \u003cpierre.peiffer@bull.net\u003e\nCc: Nadia Derbey \u003cNadia.Derbey@bull.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c3d8d1e30cace31fed6186a4b8c6b1401836d89c", "tree": "7122fccf27aa337438123071f3cb07999429de9e", "parents": [ "230140cffa7feae90ad50bf259db1fa07674f3a7" ], "author": { "name": "Patrick McHardy", "email": "kaber@trash.net", "time": "Wed Nov 07 02:42:09 2007 -0800" }, "committer": { "name": "David S. Miller", "email": "davem@sunset.davemloft.net", "time": "Wed Nov 07 04:15:12 2007 -0800" }, "message": "[NETLINK]: Fix unicast timeouts\n\nCommit ed6dcf4a in the history.git tree broke netlink_unicast timeouts\nby moving the schedule_timeout() call to a new function that doesn\u0027t\npropagate the remaining timeout back to the caller. This means on each\nretry we start with the full timeout again.\n\nipc/mqueue.c seems to actually want to wait indefinitely so this\nbehaviour is retained.\n\nSigned-off-by: Patrick McHardy \u003ckaber@trash.net\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "5a190ae69766da9a34bf31200c5cea4c0667cf94", "tree": "340c500fe42518abe6d1159a00619b1bd02f07fc", "parents": [ "cfa76f024f7c9e65169425804e5b32e71f66d0ee" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu Jun 07 12:19:32 2007 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Oct 21 02:37:18 2007 -0400" }, "message": "[PATCH] pass dentry to audit_inode()/audit_inode_child()\n\nmakes caller simpler *and* allows to scan ancestors\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "b488893a390edfe027bae7a46e9af8083e740668", "tree": "c469a7f99ad01005a73011c029eb5e5d15454559", "parents": [ "3eb07c8c8adb6f0572baba844ba2d9e501654316" ], "author": { "name": "Pavel Emelyanov", "email": "xemul@openvz.org", "time": "Thu Oct 18 23:40:14 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Oct 19 11:53:40 2007 -0700" }, "message": "pid namespaces: changes to show virtual ids to user\n\nThis is the largest patch in the set. Make all (I hope) the places where\nthe pid is shown to or get from user operate on the virtual pids.\n\nThe idea is:\n - all in-kernel data structures must store either struct pid itself\n or the pid\u0027s global nr, obtained with pid_nr() call;\n - when seeking the task from kernel code with the stored id one\n should use find_task_by_pid() call that works with global pids;\n - when showing pid\u0027s numerical value to the user the virtual one\n should be used, but however when one shows task\u0027s pid outside this\n task\u0027s namespace the global one is to be used;\n - when getting the pid from userspace one need to consider this as\n the virtual one and use appropriate task/pid-searching functions.\n\n[akpm@linux-foundation.org: build fix]\n[akpm@linux-foundation.org: nuther build fix]\n[akpm@linux-foundation.org: yet nuther build fix]\n[akpm@linux-foundation.org: remove unneeded casts]\nSigned-off-by: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@openvz.org\u003e\nCc: Sukadev Bhattiprolu \u003csukadev@us.ibm.com\u003e\nCc: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nCc: Paul Menage \u003cmenage@google.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "97aeacf49239d7f829b8cbfaca05530c97ccb903", "tree": "2a13ee8cdebc8c0bdf66459213cbc431eef78216", "parents": [ "49a0c45833c9aa9852ba02c9df0f18029509d0a9" ], "author": { "name": "Eric W. Biederman", "email": "ebiederm@xmission.com", "time": "Thu Oct 18 03:05:24 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Oct 18 14:37:22 2007 -0700" }, "message": "sysctl mqueue: remove the binary sysctl numbers\n\nBecause of a conflict with FS_INODE_NR none of the binary sysctl numbers use\nby mqueue, were available to user space. So just remove them.\n\nSigned-off-by: Eric W. Biederman \u003cebiederm@xmission.com\u003e\nCc: Alexey Dobriyan \u003cadobriyan@sw.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "4ba9b9d0ba0a49d91fa6417c7510ee36f48cf957", "tree": "191b4f45f926e44b882b1e87a9a85dc12230b892", "parents": [ "b811c202a0edadaac7242ab834fe7ba409978ae7" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Tue Oct 16 23:25:51 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed Oct 17 08:42:45 2007 -0700" }, "message": "Slab API: remove useless ctor parameter and reorder parameters\n\nSlab constructors currently have a flags parameter that is never used. And\nthe order of the arguments is opposite to other slab functions. The object\npointer is placed before the kmem_cache pointer.\n\nConvert\n\n ctor(void *object, struct kmem_cache *s, unsigned long flags)\n\nto\n\n ctor(struct kmem_cache *s, void *object)\n\nthroughout the kernel\n\n[akpm@linux-foundation.org: coupla fixes]\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7ee015e0fa3c856416e9477aac4b850ec6f09017", "tree": "b91741163f47515d00faba9d36d37fcf03ded29f", "parents": [ "3b71535f357a2e5d013a44a06b0c26a6a8d8fb5b" ], "author": { "name": "Denis V. Lunev", "email": "den@openvz.org", "time": "Wed Oct 10 21:14:03 2007 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Wed Oct 10 21:14:03 2007 -0700" }, "message": "[NET]: cleanup 3rd argument in netlink_sendskb\n\nnetlink_sendskb does not use third argument. Clean it and save a couple of\nbytes.\n\nSigned-off-by: Denis V. Lunev \u003cden@openvz.org\u003e\nAcked-by: Alexey Kuznetsov \u003ckuznet@ms2.inr.ac.ru\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" } ], "next": "20c2df83d25c6a95affe6157a4c9cac4cf5ffaac" }