)]}' { "log": [ { "commit": "6416ccb7899960868f5016751fb81bf25213d24f", "tree": "457069571211e4ece844dc332a2f9673705a5bde", "parents": [ "2dc91abe03d8ce6dd7f9251faffafca5f6b9e85d" ], "author": { "name": "Nick Piggin", "email": "npiggin@kernel.dk", "time": "Wed Aug 18 04:37:38 2010 +1000" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Aug 18 08:35:48 2010 -0400" }, "message": "fs: scale files_lock\n\nfs: scale files_lock\n\nImprove scalability of files_lock by adding per-cpu, per-sb files lists,\nprotected with an lglock. The lglock provides fast access to the per-cpu lists\nto add and remove files. It also provides a snapshot of all the per-cpu lists\n(although this is very slow).\n\nOne difficulty with this approach is that a file can be removed from the list\nby another CPU. We must track which per-cpu list the file is on with a new\nvariale in the file struct (packed into a hole on 64-bit archs). Scalability\ncould suffer if files are frequently removed from different cpu\u0027s list.\n\nHowever loads with frequent removal of files imply short interval between\nadding and removing the files, and the scheduler attempts to avoid moving\nprocesses too far away. Also, even in the case of cross-CPU removal, the\nhardware has much more opportunity to parallelise cacheline transfers with N\ncachelines than with 1.\n\nA worst-case test of 1 CPU allocating files subsequently being freed by N CPUs\ndegenerates to contending on a single lock, which is no worse than before. When\nmore than one CPU are allocating files, even if they are always freed by\ndifferent CPUs, there will be more parallelism than the single-lock case.\n\nTesting results:\n\nOn a 2 socket, 8 core opteron, I measure the number of times the lock is taken\nto remove the file, the number of times it is removed by the same CPU that\nadded it, and the number of times it is removed by the same node that added it.\n\nBooting: locks\u003d 25049 cpu-hits\u003d 23174 (92.5%) node-hits\u003d 23945 (95.6%)\nkbuild -j16 locks\u003d2281913 cpu-hits\u003d2208126 (96.8%) node-hits\u003d2252674 (98.7%)\ndbench 64 locks\u003d4306582 cpu-hits\u003d4287247 (99.6%) node-hits\u003d4299527 (99.8%)\n\nSo a file is removed from the same CPU it was added by over 90% of the time.\nIt remains within the same node 95% of the time.\n\nTim Chen ran some numbers for a 64 thread Nehalem system performing a compile.\n\n throughput\n2.6.34-rc2 24.5\n+patch 24.9\n\n us sys idle IO wait (in %)\n2.6.34-rc2 51.25 28.25 17.25 3.25\n+patch 53.75 18.5 19 8.75\n\nSo significantly less CPU time spent in kernel code, higher idle time and\nslightly higher throughput.\n\nSingle threaded performance difference was within the noise of microbenchmarks.\nThat is not to say penalty does not exist, the code is larger and more memory\naccesses required so it will be slightly slower.\n\nCc: linux-kernel@vger.kernel.org\nCc: Tim Chen \u003ctim.c.chen@linux.intel.com\u003e\nCc: Andi Kleen \u003cak@linux.intel.com\u003e\nSigned-off-by: Nick Piggin \u003cnpiggin@kernel.dk\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "d996b62a8df1d935b01319bf8defb95b5709f7b8", "tree": "d81f8240da776336845a2063555d7bb4dce684bd", "parents": [ "ee2ffa0dfdd2db19705f2ba1c6a4c0bfe8122dd8" ], "author": { "name": "Nick Piggin", "email": "npiggin@kernel.dk", "time": "Wed Aug 18 04:37:36 2010 +1000" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Aug 18 08:35:47 2010 -0400" }, "message": "tty: fix fu_list abuse\n\ntty: fix fu_list abuse\n\ntty code abuses fu_list, which causes a bug in remount,ro handling.\n\nIf a tty device node is opened on a filesystem, then the last link to the inode\nremoved, the filesystem will be allowed to be remounted readonly. This is\nbecause fs_may_remount_ro does not find the 0 link tty inode on the file sb\nlist (because the tty code incorrectly removed it to use for its own purpose).\nThis can result in a filesystem with errors after it is marked \"clean\".\n\nTaking idea from Christoph\u0027s initial patch, allocate a tty private struct\nat file-\u003eprivate_data and put our required list fields in there, linking\nfile and tty. This makes tty nodes behave the same way as other device nodes\nand avoid meddling with the vfs, and avoids this bug.\n\nThe error handling is not trivial in the tty code, so for this bugfix, I take\nthe simple approach of using __GFP_NOFAIL and don\u0027t worry about memory errors.\nThis is not a problem because our allocator doesn\u0027t fail small allocs as a rule\nanyway. So proper error handling is left as an exercise for tty hackers.\n\n[ Arguably filesystem\u0027s device inode would ideally be divorced from the\ndriver\u0027s pseudo inode when it is opened, but in practice it\u0027s not clear whether\nthat will ever be worth implementing. ]\n\nCc: linux-kernel@vger.kernel.org\nCc: Christoph Hellwig \u003chch@infradead.org\u003e\nCc: Alan Cox \u003calan@lxorguk.ukuu.org.uk\u003e\nCc: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\nSigned-off-by: Nick Piggin \u003cnpiggin@kernel.dk\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "ee2ffa0dfdd2db19705f2ba1c6a4c0bfe8122dd8", "tree": "e48400d1a33f8d2e68589ccfd61637aa64462f08", "parents": [ "b04f784e5d19ed58892833dae845738972cea260" ], "author": { "name": "Nick Piggin", "email": "npiggin@kernel.dk", "time": "Wed Aug 18 04:37:35 2010 +1000" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Aug 18 08:35:47 2010 -0400" }, "message": "fs: cleanup files_lock locking\n\nfs: cleanup files_lock locking\n\nLock tty_files with a new spinlock, tty_files_lock; provide helpers to\nmanipulate the per-sb files list; unexport the files_lock spinlock.\n\nCc: linux-kernel@vger.kernel.org\nCc: Christoph Hellwig \u003chch@infradead.org\u003e\nCc: Alan Cox \u003calan@lxorguk.ukuu.org.uk\u003e\nAcked-by: Andi Kleen \u003cak@linux.intel.com\u003e\nAcked-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\nSigned-off-by: Nick Piggin \u003cnpiggin@kernel.dk\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "9cb569d601e0b93e01c20a22872270ec663b75f6", "tree": "80b2568fae48018806e82f8884062dae8a5494ae", "parents": [ "87e99511ea54510ffb60b98001d108794d5037f8" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed Aug 11 17:06:24 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Aug 18 01:09:01 2010 -0400" }, "message": "remove SWRITE* I/O types\n\nThese flags aren\u0027t real I/O types, but tell ll_rw_block to always\nlock the buffer instead of giving up on a failed trylock.\n\nInstead add a new write_dirty_buffer helper that implements this semantic\nand use it from the existing SWRITE* callers. Note that the ll_rw_block\ncode had a bug where it didn\u0027t promote WRITE_SYNC_PLUG properly, which\nthis patch fixes.\n\nIn the ufs code clean up the helper that used to call ll_rw_block\nto mirror sync_dirty_buffer, which is the function it implements for\ncompound buffers.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "10041d2d14688e207d0d829095147aa82c1f211b", "tree": "57ef361d05e6bbffe3ec490ca9110878a6e969e2", "parents": [ "4914c7f881845367b9198631a014ab466329b9e5", "b19dd42faf413b4705d4adb38521e82d73fa4249" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Aug 13 17:52:35 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Aug 13 17:52:35 2010 -0700" }, "message": "Merge branch \u0027bkl/ioctl\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing\n\n* \u0027bkl/ioctl\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:\n bkl: Remove locked .ioctl file operation\n v4l: Remove reference to bkl ioctl in compat ioctl handling\n logfs: kill BKL\n" }, { "commit": "c7887325230aec47d47a32562a6e26014a0fafca", "tree": "10535943dace59ddb01d3440aa582bc4640e8016", "parents": [ "b84ae4a1401a731ef5fee987c0cb08743838dda7" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Wed Aug 11 11:26:22 2010 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Aug 13 16:53:13 2010 -0700" }, "message": "Mark arguments to certain syscalls as being const\n\nMark arguments to certain system calls as being const where they should be but\naren\u0027t. The list includes:\n\n (*) The filename arguments of various stat syscalls, execve(), various utimes\n syscalls and some mount syscalls.\n\n (*) The filename arguments of some syscall helpers relating to the above.\n\n (*) The buffer argument of various write syscalls.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: David S. Miller \u003cdavem@davemloft.net\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b19dd42faf413b4705d4adb38521e82d73fa4249", "tree": "fbfdea065c3772b2de2c37238af6afcad2e42934", "parents": [ "c6d7ba8b12636923f3e30997dec69bed58e176b6" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Sun Jul 04 00:15:10 2010 +0200" }, "committer": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Sat Aug 14 00:24:24 2010 +0200" }, "message": "bkl: Remove locked .ioctl file operation\n\nThe last user is gone, so we can safely remove this\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nCc: John Kacur \u003cjkacur@redhat.com\u003e\nCc: Al Viro \u003cviro@ZenIV.linux.org.uk\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\n" }, { "commit": "8d57a98ccd0b4489003473979da8f5a1363ba7a3", "tree": "2982997ce66bb6a92c020b7189966c3097095fd7", "parents": [ "93caf8e69eac763f6a20cf253ace8e7fc1ab7953" ], "author": { "name": "Adrian Hunter", "email": "adrian.hunter@nokia.com", "time": "Wed Aug 11 14:17:49 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Aug 12 08:43:30 2010 -0700" }, "message": "block: add secure discard\n\nSecure discard is the same as discard except that all copies of the\ndiscarded sectors (perhaps created by garbage collection) must also be\nerased.\n\nSigned-off-by: Adrian Hunter \u003cadrian.hunter@nokia.com\u003e\nAcked-by: Jens Axboe \u003caxboe@kernel.dk\u003e\nCc: Kyungmin Park \u003ckmpark@infradead.org\u003e\nCc: Madhusudhan Chikkature \u003cmadhu.cr@ti.com\u003e\nCc: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Ben Gardiner \u003cbengardiner@nanometrics.ca\u003e\nCc: \u003clinux-mmc@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": "13bcbc008790b05413c9a16763b423c206528c0a", "tree": "0dc452f66b3d6c91fe54d98f1b9c0b0706d6a245", "parents": [ "37713308d89f17c0f73e88b07138d6ca20bfe686" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Tue Aug 10 18:01:09 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Aug 11 08:58:59 2010 -0700" }, "message": "include/linux/fs.h: complete hexification of FMODE_* constants\n\nOne straggler which was missed due to merge ordering issues.\n\nCc: Wu Fengguang \u003cfengguang.wu@intel.com\u003e\nCc: Eric Paris \u003ceparis@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": "2f9e825d3e0e2b407ae8f082de5c00afcf7378fb", "tree": "f8b3ee40674ce4acd5508a0a0bf52a30904caf6c", "parents": [ "7ae0dea900b027cd90e8a3e14deca9a19e17638b", "de75d60d5ea235e6e09f4962ab22541ce0fe176a" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Aug 10 15:22:42 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Aug 10 15:22:42 2010 -0700" }, "message": "Merge branch \u0027for-2.6.36\u0027 of git://git.kernel.dk/linux-2.6-block\n\n* \u0027for-2.6.36\u0027 of git://git.kernel.dk/linux-2.6-block: (149 commits)\n block: make sure that REQ_* types are seen even with CONFIG_BLOCK\u003dn\n xen-blkfront: fix missing out label\n blkdev: fix blkdev_issue_zeroout return value\n block: update request stacking methods to support discards\n block: fix missing export of blk_types.h\n writeback: fix bad _bh spinlock nesting\n drbd: revert \"delay probes\", feature is being re-implemented differently\n drbd: Initialize all members of sync_conf to their defaults [Bugz 315]\n drbd: Disable delay probes for the upcomming release\n writeback: cleanup bdi_register\n writeback: add new tracepoints\n writeback: remove unnecessary init_timer call\n writeback: optimize periodic bdi thread wakeups\n writeback: prevent unnecessary bdi threads wakeups\n writeback: move bdi threads exiting logic to the forker thread\n writeback: restructure bdi forker loop a little\n writeback: move last_active to bdi\n writeback: do not remove bdi from bdi_list\n writeback: simplify bdi code a little\n writeback: do not lose wake-ups in bdi threads\n ...\n\nFixed up pretty trivial conflicts in drivers/block/virtio_blk.c and\ndrivers/scsi/scsi_error.c as per Jens.\n" }, { "commit": "8c8946f509a494769a8c602b5ed189df01917d39", "tree": "dfd96bd6ca5ea6803c6d77f65ba37e04f78b2d3b", "parents": [ "5f248c9c251c60af3403902b26e08de43964ea0b", "1968f5eed54ce47bde488fd9a450912e4a2d7138" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Aug 10 11:39:13 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Aug 10 11:39:13 2010 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.infradead.org/users/eparis/notify\n\n* \u0027for-linus\u0027 of git://git.infradead.org/users/eparis/notify: (132 commits)\n fanotify: use both marks when possible\n fsnotify: pass both the vfsmount mark and inode mark\n fsnotify: walk the inode and vfsmount lists simultaneously\n fsnotify: rework ignored mark flushing\n fsnotify: remove global fsnotify groups lists\n fsnotify: remove group-\u003emask\n fsnotify: remove the global masks\n fsnotify: cleanup should_send_event\n fanotify: use the mark in handler functions\n audit: use the mark in handler functions\n dnotify: use the mark in handler functions\n inotify: use the mark in handler functions\n fsnotify: send fsnotify_mark to groups in event handling functions\n fsnotify: Exchange list heads instead of moving elements\n fsnotify: srcu to protect read side of inode and vfsmount locks\n fsnotify: use an explicit flag to indicate fsnotify_destroy_mark has been called\n fsnotify: use _rcu functions for mark list traversal\n fsnotify: place marks on object in order of group memory address\n vfs/fsnotify: fsnotify_close can delay the final work in fput\n fsnotify: store struct file not struct path\n ...\n\nFix up trivial delete/modify conflict in fs/notify/inotify/inotify.c.\n" }, { "commit": "5f248c9c251c60af3403902b26e08de43964ea0b", "tree": "6d3328e72a7e4015a64017eb30be18095c6a3c64", "parents": [ "f6cec0ae58c17522a7bc4e2f39dae19f199ab534", "dca332528bc69e05f67161e1ed59929633d5e63d" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Aug 10 11:26:52 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Aug 10 11:26:52 2010 -0700" }, "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: (96 commits)\n no need for list_for_each_entry_safe()/resetting with superblock list\n Fix sget() race with failing mount\n vfs: don\u0027t hold s_umount over close_bdev_exclusive() call\n sysv: do not mark superblock dirty on remount\n sysv: do not mark superblock dirty on mount\n btrfs: remove junk sb_dirt change\n BFS: clean up the superblock usage\n AFFS: wait for sb synchronization when needed\n AFFS: clean up dirty flag usage\n cifs: truncate fallout\n mbcache: fix shrinker function return value\n mbcache: Remove unused features\n add f_flags to struct statfs(64)\n pass a struct path to vfs_statfs\n update VFS documentation for method changes.\n All filesystems that need invalidate_inode_buffers() are doing that explicitly\n convert remaining -\u003eclear_inode() to -\u003eevict_inode()\n Make -\u003edrop_inode() just return whether inode needs to be dropped\n fs/inode.c:clear_inode() is gone\n fs/inode.c:evict() doesn\u0027t care about delete vs. non-delete paths now\n ...\n\nFix up trivial conflicts in fs/nilfs2/super.c\n" }, { "commit": "f446daaea9d4a420d16c606f755f3689dcb2d0ce", "tree": "be2afc18f79aa4ff9be245b0a036aa06185b5dc4", "parents": [ "ebf8aa44beed48cd17893a83d92a4403e5f9d9e2" ], "author": { "name": "Jan Kara", "email": "jack@suse.cz", "time": "Mon Aug 09 17:19:12 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Aug 09 20:44:59 2010 -0700" }, "message": "mm: implement writeback livelock avoidance using page tagging\n\nWe try to avoid livelocks of writeback when some steadily creates dirty\npages in a mapping we are writing out. For memory-cleaning writeback,\nusing nr_to_write works reasonably well but we cannot really use it for\ndata integrity writeback. This patch tries to solve the problem.\n\nThe idea is simple: Tag all pages that should be written back with a\nspecial tag (TOWRITE) in the radix tree. This can be done rather quickly\nand thus livelocks should not happen in practice. Then we start doing the\nhard work of locking pages and sending them to disk only for those pages\nthat have TOWRITE tag set.\n\nNote: Adding new radix tree tag grows radix tree node from 288 to 296\nbytes for 32-bit archs and from 552 to 560 bytes for 64-bit archs.\nHowever, the number of slab/slub items per page remains the same (13 and 7\nrespectively).\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\nCc: Dave Chinner \u003cdavid@fromorbit.com\u003e\nCc: Nick Piggin \u003cnickpiggin@yahoo.com.au\u003e\nCc: Chris Mason \u003cchris.mason@oracle.com\u003e\nCc: Theodore Ts\u0027o \u003ctytso@mit.edu\u003e\nCc: Jens Axboe \u003caxboe@kernel.dk\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7a4dec53897ecd3367efb1e12fe8a4edc47dc0e9", "tree": "31d4639522e1453a7f5c38aa2436ffdd6df5c60b", "parents": [ "4f331f01b9c43bf001d3ffee578a97a1e0633eac" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 12:05:43 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:49:01 2010 -0400" }, "message": "Fix sget() race with failing mount\n\nIf sget() finds a matching superblock being set up, it\u0027ll\ngrab an active reference to it and grab s_umount. That\u0027s\nfine - we\u0027ll wait for completion of foofs_get_sb() that way.\nHowever, if said foofs_get_sb() fails we\u0027ll end up holding\nthe halfway-created superblock. deactivate_locked_super()\ncalled by foofs_get_sb() will just unlock the sucker since\nwe are holding another active reference to it.\n\nWhat we need is a way to tell if superblock has been successfully\nset up. Unfortunately, neither -\u003es_root nor the check for\nMS_ACTIVE quite fit. Cheap and easy way, suitable for backport:\nnew flag set by the (only) caller of -\u003eget_sb(). If that flag\nisn\u0027t present by the time sget() grabbed s_umount on preexisting\nsuperblock it has found, it\u0027s seeing a stillborn and should\njust bury it with deactivate_locked_super() (and repeat the search).\n\nLonger term we want to set that flag in -\u003eget_sb() instances (and\ncheck for it to distinguish between \"sget() found us a live sb\"\nand \"sget() has allocated an sb, we need to set it up\" in there,\ninstead of checking -\u003es_root as we do now).\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: stable@kernel.org\n" }, { "commit": "ebabe9a9001af0af56c0c2780ca1576246e7a74b", "tree": "b263299f575c650b6e9d95c7c4bdeef958af2fc9", "parents": [ "336fb3b97b78edc65bae0b223b83bf676cfe29e2" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed Jul 07 18:53:11 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:48:42 2010 -0400" }, "message": "pass a struct path to vfs_statfs\n\nWe\u0027ll need the path to implement the flags field for statvfs support.\nWe do have it available in all callers except:\n\n - ecryptfs_statfs. This one doesn\u0027t actually need vfs_statfs but just\n needs to do a caller to the lower filesystem statfs method.\n - sys_ustat. Add a non-exported statfs_by_dentry helper for it which\n doesn\u0027t won\u0027t be able to fill out the flags field later on.\n\nIn addition rename the helpers for statfs vs fstatfs to do_*statfs instead\nof the misleading vfs prefix.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "b57922d97fd6f79b6dbe6db0c4fd30d219fa08c1", "tree": "1d39e9cd8e1c1f502fb7e985a08286859c69aa36", "parents": [ "45321ac54316eaeeebde0b5f728a1791e500974c" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Jun 07 14:34:48 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:48:37 2010 -0400" }, "message": "convert remaining -\u003eclear_inode() to -\u003eevict_inode()\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "45321ac54316eaeeebde0b5f728a1791e500974c", "tree": "c3989dd1a8b4a50168d696aa608941de88da9ade", "parents": [ "30140837f256558c943636245ab90897a9455a70" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Jun 07 13:43:19 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:48:35 2010 -0400" }, "message": "Make -\u003edrop_inode() just return whether inode needs to be dropped\n\n... and let iput_final() do the actual eviction or retention\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "30140837f256558c943636245ab90897a9455a70", "tree": "71ab647be533cd520eb665a48d489e46e4c2fd8c", "parents": [ "644da5960ded137c339bc69bc2aeac54f73aad59" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Jun 07 13:23:20 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:48:34 2010 -0400" }, "message": "fs/inode.c:clear_inode() is gone\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "07958f9f5b9e8422c15368a1733a52ea99009896", "tree": "bab80f40113f8b7d86287f9d596fa5f0c1b755a7", "parents": [ "0930fcc1ee2f0a810b938bc283a3a262d7adccbb" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Jun 07 13:20:09 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:48:31 2010 -0400" }, "message": "-\u003edelete_inode() is gone\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "b0683aa638b3326c6fc22e5290dfa75e08bd83f5", "tree": "8287f1eff3c76dc7cf6c42208efebb1510b075b2", "parents": [ "661074e91b1da1ee262dfde6dd836deacccb9def" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Jun 04 20:55:25 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:49 2010 -0400" }, "message": "new helper: end_writeback()\n\nEssentially, the minimal variant of -\u003eevict_inode(). It\u0027s\na trimmed-down clear_inode(), sans any fs callbacks. Once\nit returns we know that no async writeback will be happening;\nevery -\u003eevict_inode() instance should do that once and do that\nbefore doing anything -\u003ewrite_inode() could interfere with\n(e.g. freeing the on-disk inode).\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "c6287315cb958e740466555ca5e9d007f25b39bd", "tree": "39067d77f55479519b502750caa8e3c34e45de7f", "parents": [ "2bbbda308f5ca027d4fd721f914c0cab88d49aec" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Jun 04 19:56:17 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:48 2010 -0400" }, "message": "generic_detach_inode() can be static now\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "be7ce4161f9e6bf2497f90337d1214aa6ee06e15", "tree": "a9bf28ff703a81ebf309d470c68ae6aa788a2d36", "parents": [ "b4272d4c810532e1a4dea111433a0af56d3bd2b7" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Jun 04 19:40:39 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:46 2010 -0400" }, "message": "New method - evict_inode()\n\nHybrid of -\u003eclear_inode() and -\u003edelete_inode(); if present, does\nall fs work to be done when in-core inode is about to be gone,\nfor whatever reason.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "a4ffdde6e56fdf8c34ddadc2674d6eb978083369", "tree": "0fa07df92d804cb7d0482135195e4835cb16403a", "parents": [ "b5fc510c48f631882ccec3c0f02a25d5b67de09f" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Jun 02 17:38:30 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:44 2010 -0400" }, "message": "simplify checks for I_CLEAR/I_FREEING\n\nadd I_CLEAR instead of replacing I_FREEING with it. I_CLEAR is\nequivalent to I_FREEING for almost all code looking at either;\nit\u0027s there to keep track of having called clear_inode() exactly\nonce per inode lifetime, at some point after having set I_FREEING.\nI_CLEAR and I_FREEING never get set at the same time with the\ncurrent code, so we can switch to setting i_flags to I_FREEING | I_CLEAR\ninstead of I_CLEAR without loss of information. As the result of\nsuch change, checks become simpler and the amount of code that needs\nto know about I_CLEAR shrinks a lot.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "2c27c65ed0696f0b5df2dad2cf6462d72164d547", "tree": "7d9036e3dea98938f7fd7074366ee73929e9b2e5", "parents": [ "db78b877f7744bec4a9d9f9e7d10da3931d7cd39" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Fri Jun 04 11:30:04 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:39 2010 -0400" }, "message": "check ATTR_SIZE contraints in inode_change_ok\n\nMake sure we check the truncate constraints early on in -\u003esetattr by adding\nthose checks to inode_change_ok. Also clean up and document inode_change_ok\nto make this obvious.\n\nAs a fallout we don\u0027t have to call inode_newsize_ok from simple_setsize and\nsimplify it down to a truncate_setsize which doesn\u0027t return an error. This\nsimplifies a lot of setattr implementations and means we use truncate_setsize\nalmost everywhere. Get rid of fat_setsize now that it\u0027s trivial and mark\next2_setsize static to make the calling convention obvious.\n\nKeep the inode_newsize_ok in vmtruncate for now as all callers need an\naudit for its removal anyway.\n\nNote: setattr code in ecryptfs doesn\u0027t call inode_change_ok at all and\nneeds a deeper audit, but that is left for later.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "1025774ce411f2bd4b059ad7b53f0003569b74fa", "tree": "2be221c205cb5579652a6063e8ee27d1c72d1bbd", "parents": [ "eef2380c187890816b73b1a4cb89a09203759469" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Fri Jun 04 11:30:02 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:37 2010 -0400" }, "message": "remove inode_setattr\n\nReplace inode_setattr with opencoded variants of it in all callers. This\nmoves the remaining call to vmtruncate into the filesystem methods where it\ncan be replaced with the proper truncate sequence.\n\nIn a few cases it was obvious that we would never end up calling vmtruncate\nso it was left out in the opencoded variant:\n\n spufs: explicitly checks for ATTR_SIZE earlier\n btrfs,hugetlbfs,logfs,dlmfs: explicitly clears ATTR_SIZE earlier\n ufs: contains an opencoded simple_seattr + truncate that sets the filesize just above\n\nIn addition to that ncpfs called inode_setattr with handcrafted iattrs,\nwhich allowed to trim down the opencoded variant.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "6a1a90ad1b0edb556a7550a6ef8a8756f0304dd5", "tree": "234488533d89e3f8b938823c2071be19e66e1b4b", "parents": [ "d39aae9ec447dda84d9a2850743a78a535a71c90" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Fri Jun 04 11:30:00 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:35 2010 -0400" }, "message": "rename generic_setattr\n\nDespite its name it\u0027s now a generic implementation of -\u003esetattr, but\nrather a helper to copy attributes from a struct iattr to the inode.\nRename it to setattr_copy to reflect this fact.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "eafdc7d190a944c755a9fe68573c193e6e0217e7", "tree": "915c3cc8004706fabf88eae1ab123a3fa0147516", "parents": [ "256249584bda1a9357e2d29987a37f5b2df035f6" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Fri Jun 04 11:29:53 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Aug 09 16:47:29 2010 -0400" }, "message": "sort out blockdev_direct_IO variants\n\nMove the call to vmtruncate to get rid of accessive blocks to the callers\nin prepearation of the new truncate calling sequence. This was only done\nfor DIO_LOCKING filesystems, so the __blockdev_direct_IO_newtrunc variant\nwas not needed anyway. Get rid of blockdev_direct_IO_no_locking and\nits _newtrunc variant while at it as just opencoding the two additional\nparamters is shorted than the name suffix.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "7cc015811ef8992dfcce314d0ed9642bc18143d1", "tree": "cae16766d233563bef102032eb954c05f1814f77", "parents": [ "aca27ba9618276dd2f777bcd5a1419589ccf1ca8" ], "author": { "name": "Tejun Heo", "email": "tj@kernel.org", "time": "Tue Aug 03 13:14:58 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:53:10 2010 +0200" }, "message": "bio, fs: separate out bio_types.h and define READ/WRITE constants in terms of BIO_RW_* flags\n\nlinux/fs.h hard coded READ/WRITE constants which should match BIO_RW_*\nflags. This is fragile and caused breakage during BIO_RW_* flag\nrearrangement. The hardcoding is to avoid include dependency hell.\n\nCreate linux/bio_types.h which contatins definitions for bio data\nstructures and flags and include it from bio.h and fs.h, and make fs.h\ndefine all READ/WRITE related constants in terms of BIO_RW_* flags.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "aca27ba9618276dd2f777bcd5a1419589ccf1ca8", "tree": "9ef27a70973a96a30c17d31ac0be643ce531cb66", "parents": [ "edca4a380584a65a16839bdee33ec82244f0f88e" ], "author": { "name": "Tejun Heo", "email": "tj@kernel.org", "time": "Tue Aug 03 13:14:33 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:53:07 2010 +0200" }, "message": "bio, fs: update RWA_MASK, READA and SWRITE to match the corresponding BIO_RW_* bits\n\nCommit a82afdf (block: use the same failfast bits for bio and request)\nmoved BIO_RW_* bits around such that they match up with REQ_* bits.\nUnfortunately, fs.h hard coded RW_MASK, RWA_MASK, READ, WRITE, READA\nand SWRITE as 0, 1, 2 and 3, and expected them to match with BIO_RW_*\nbits. READ/WRITE didn\u0027t change but BIO_RW_AHEAD was moved to bit 4\ninstead of bit 1, breaking RWA_MASK, READA and SWRITE.\n\nThis patch updates RWA_MASK, READA and SWRITE such that they match the\nBIO_RW_* bits again. A follow up patch will update the definitions to\ndirectly use BIO_RW_* bits so that this kind of breakage won\u0027t happen\nagain.\n\nNeil also spotted missing RWA_MASK conversion.\n\nStable: The offending commit a82afdf was released with v2.6.32, so\nthis patch should be applied to all kernels since then but it must\n_NOT_ be applied to kernels earlier than that.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nReported-and-bisected-by: Vladislav Bolkhovitin \u003cvst@vlnb.net\u003e\nRoot-caused-by: Neil Brown \u003cneilb@suse.de\u003e\nCc: stable@kernel.org\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "7b6d91daee5cac6402186ff224c3af39d79f4a0e", "tree": "b1518cf0b6c301178e0a320f80610cd5b3aa7625", "parents": [ "33659ebbae262228eef4e0fe990f393d1f0ed941" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Sat Aug 07 18:20:39 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:20:39 2010 +0200" }, "message": "block: unify flags for struct bio and struct request\n\nRemove the current bio flags and reuse the request flags for the bio, too.\nThis allows to more easily trace the type of I/O from the filesystem\ndown to the block driver. There were two flags in the bio that were\nmissing in the requests: BIO_RW_UNPLUG and BIO_RW_AHEAD. Also I\u0027ve\nrenamed two request flags that had a superflous RW in them.\n\nNote that the flags are in bio.h despite having the REQ_ name - as\nblkdev.h includes bio.h that is the only way to go for now.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "41f2df62894bfcd3bf868af916b32b90aa7168dc", "tree": "b582399975cd1cf19aa8b6e67623f252b7cada85", "parents": [ "01b6b67edabe864391163dc6405e2cb454f108db" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Thu Jun 17 08:54:16 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:44 2010 +0200" }, "message": "block: BARRIER request should imply SYNC\n\nA barrier request should by defintion have priority in get_request\nand let the queue be unplugged immediately as it\u0027s blocking all forward\nprogress due to the queue draining.\n\nMost filesystems already get this implicitly by the way how submit_bh\ntreats the buffer_ordered flag, and gfs2 sets it explicitly. But btrfs\nand XFS are still forgetting to set the flag, as is blkdev_issue_flush\nand some places in DM/MD.\n\nFor XFS on metadata heavy workloads this gives a consistent speedup\nin the 2-3% range.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "7e6880951da86928c7f6cecf26dcb8e8d9f826da", "tree": "1ad8af6c52e06710f93847933c2720751100d668", "parents": [ "3a09b1be53d23df780a0cd0e4087a05e2ca4a00c", "77c80e6b2fd049848bfd1bdab67899ad3ac407a7" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Aug 04 10:28:39 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Aug 04 10:28:39 2010 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (90 commits)\n AppArmor: fix build warnings for non-const use of get_task_cred\n selinux: convert the policy type_attr_map to flex_array\n AppArmor: Enable configuring and building of the AppArmor security module\n TOMOYO: Use pathname specified by policy rather than execve()\n AppArmor: update path_truncate method to latest version\n AppArmor: core policy routines\n AppArmor: policy routines for loading and unpacking policy\n AppArmor: mediation of non file objects\n AppArmor: LSM interface, and security module initialization\n AppArmor: Enable configuring and building of the AppArmor security module\n AppArmor: update Maintainer and Documentation\n AppArmor: functions for domain transitions\n AppArmor: file enforcement routines\n AppArmor: userspace interfaces\n AppArmor: dfa match engine\n AppArmor: contexts used in attaching policy to system objects\n AppArmor: basic auditing infrastructure.\n AppArmor: misc. base functions and defines\n TOMOYO: Update version to 2.3.0\n TOMOYO: Fix quota check.\n ...\n" }, { "commit": "9cfcac810e8993fa7a5bfd24b1a21f1dbbb03a7b", "tree": "86fae80c744e46b15b8eb9aa23fead7e63a64159", "parents": [ "692a8a231b212dfc68f612956d63f34abf098e0f" ], "author": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Fri Jul 23 11:43:51 2010 -0400" }, "committer": { "name": "James Morris", "email": "jmorris@namei.org", "time": "Mon Aug 02 15:35:06 2010 +1000" }, "message": "vfs: re-introduce MAY_CHDIR\n\nCurrently MAY_ACCESS means that filesystems must check the permissions\nright then and not rely on cached results or the results of future\noperations on the object. This can be because of a call to sys_access() or\nbecause of a call to chdir() which needs to check search without relying on\nany future operations inside that dir. I plan to use MAY_ACCESS for other\npurposes in the security system, so I split the MAY_ACCESS and the\nMAY_CHDIR cases.\n\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\nAcked-by: Stephen D. Smalley \u003csds@tycho.nsa.gov\u003e\nSigned-off-by: James Morris \u003cjmorris@namei.org\u003e\n" }, { "commit": "6e006701ccc1590500186ef21e074bd900c5dd67", "tree": "e8c1ac5898517b73a6da61be1f7c496138de8748", "parents": [ "59b0df211bd9699d7e0d01fcf9345a149f75b033" ], "author": { "name": "Alexey Dobriyan", "email": "adobriyan@gmail.com", "time": "Wed Jan 20 22:27:56 2010 +0200" }, "committer": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Wed Jul 28 09:59:01 2010 -0400" }, "message": "dnotify: move dir_notify_enable declaration\n\nMove dir_notify_enable declaration to where it belongs -- dnotify.h .\n\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\n" }, { "commit": "12ed2e36c98aec6c41559222e311f4aa15d254b6", "tree": "0fa2fd70e4b3f6a7315d037d27fde94641c5f204", "parents": [ "ecf081d1a73b077916f514f2ec744ded32b88ca1" ], "author": { "name": "Signed-off-by: Wu Fengguang", "email": "fengguang.wu@intel.com", "time": "Mon Feb 08 12:31:29 2010 -0500" }, "committer": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Wed Jul 28 09:58:54 2010 -0400" }, "message": "fanotify: FMODE_NONOTIFY and __O_SYNC in sparc conflict\n\nsparc used the same value as FMODE_NONOTIFY so change FMODE_NONOTIFY to be\nsomething unique.\n\nSigned-off-by: Wu Fengguang \u003cfengguang.wu@intel.com\u003e\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\n" }, { "commit": "ecf081d1a73b077916f514f2ec744ded32b88ca1", "tree": "f1a9892131a297d0f67cb0fd9189e3aac83e2219", "parents": [ "35566087099c3ff8901d65ee98af56347ee66e5a" ], "author": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Thu Dec 17 21:24:25 2009 -0500" }, "committer": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Wed Jul 28 09:58:54 2010 -0400" }, "message": "vfs: introduce FMODE_NONOTIFY\n\nThis is a new f_mode which can only be set by the kernel. It indicates\nthat the fd was opened by fanotify and should not cause future fanotify\nevents. This is needed to prevent fanotify livelock. An example of\nobvious livelock is from fanotify close events.\n\nProcess A closes file1\nThis creates a close event for file1.\nfanotify opens file1 for Listener X\nListener X deals with the event and closes its fd for file1.\nThis creates a close event for file1.\nfanotify opens file1 for Listener X\nListener X deals with the event and closes its fd for file1.\nThis creates a close event for file1.\nfanotify opens file1 for Listener X\nListener X deals with the event and closes its fd for file1.\nnotice a pattern?\n\nThe fix is to add the FMODE_NONOTIFY bit to the open filp done by the kernel\nfor fanotify. Thus when that file is used it will not generate future\nevents.\n\nThis patch simply defines the bit.\n\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\n" }, { "commit": "e61ce86737b4d60521e4e71f9892fe4bdcfb688b", "tree": "a1aba411504ac028d4ead6f28ca05bd024c74142", "parents": [ "72acc854427948efed7a83da27f7dc3239ac9afc" ], "author": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Thu Dec 17 21:24:24 2009 -0500" }, "committer": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Wed Jul 28 09:58:53 2010 -0400" }, "message": "fsnotify: rename fsnotify_mark_entry to just fsnotify_mark\n\nThe name is long and it serves no real purpose. So rename\nfsnotify_mark_entry to just fsnotify_mark.\n\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\n" }, { "commit": "2dfc1cae4c42b93b831b2417540df2b895ab7108", "tree": "e07a0075964fd2cb9210b302114255e16ab1d4c0", "parents": [ "7050c48826d5adb2210bddfb6a67aa13bbe984ed" ], "author": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Thu Dec 17 20:30:52 2009 -0500" }, "committer": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Wed Jul 28 09:58:31 2010 -0400" }, "message": "inotify: remove inotify in kernel interface\n\nnothing uses inotify in the kernel, drop it!\n\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\n" }, { "commit": "40e2e97316af6e62affab7a392e792494b8d9dde", "tree": "981ce3b464467893683d47f52ae5d35fdd32d46a", "parents": [ "696123fca877905696591829c97a2cef11c8d048" ], "author": { "name": "Christoph Hellwig", "email": "hch@infradead.org", "time": "Sun Jul 18 21:17:09 2010 +0000" }, "committer": { "name": "Alex Elder", "email": "aelder@sgi.com", "time": "Mon Jul 26 16:09:02 2010 -0500" }, "message": "direct-io: move aio_complete into -\u003eend_io\n\nFilesystems with unwritten extent support must not complete an AIO request\nuntil the transaction to convert the extent has been commited. That means\nthe aio_complete calls needs to be moved into the -\u003eend_io callback so\nthat the filesystem can control when to call it exactly.\n\nThis makes a bit of a mess out of dio_complete and the -\u003eend_io callback\nprototype even more complicated.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nReviewed-by: Jan Kara \u003cjack@suse.cz\u003e\nSigned-off-by: Alex Elder \u003caelder@sgi.com\u003e\n" }, { "commit": "140236b4b1c749c9b795ea3d11558a0eb5a3a080", "tree": "b720aa99ca2fc8bc012777c98d321b994c1730d7", "parents": [ "47a716cf0ca981b9549ec9815122ada7a0ff707c" ], "author": { "name": "Artem Bityutskiy", "email": "Artem.Bityutskiy@nokia.com", "time": "Thu Jun 10 13:56:33 2010 +0300" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jul 06 17:32:07 2010 -0700" }, "message": "VFS: introduce s_dirty accessors\n\nThis patch introduces 3 VFS accessors: \u0027sb_mark_dirty()\u0027,\n\u0027sb_mark_clean()\u0027, and \u0027sb_is_dirty()\u0027. They simply\nset \u0027sb-\u003es_dirt\u0027 or test \u0027sb-\u003es_dirt\u0027. The plan is to make\nevery FS use these accessors later instead of manipulating\nthe \u0027sb-\u003es_dirt\u0027 flag directly.\n\nUltimately, this change is a preparation for the periodic\nsuperblock synchronization optimization which is about\npreventing the \"sync_supers\" kernel thread from waking up\neven if there is nothing to synchronize.\n\nThis patch does not do any functional change, just adds\naccessor functions.\n\nSigned-off-by: Artem Bityutskiy \u003cArtem.Bityutskiy@nokia.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "7d683a09990ff095a91b6e724ecee0ff8733274a", "tree": "81269fde9fb4d3958fea616269425dd61769aeec", "parents": [ "971b2e8a3f5dc0cbef19ec1a77b6d20237aa751e" ], "author": { "name": "Roberto Sassu", "email": "roberto.sassu@polito.it", "time": "Thu Jun 03 11:58:28 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Jun 04 17:16:28 2010 -0400" }, "message": "wrong type for \u0027magic\u0027 argument in simple_fill_super()\n\nIt\u0027s used to superblock -\u003es_magic, which is unsigned long.\n\nSigned-off-by: Roberto Sassu \u003croberto.sassu@polito.it\u003e\nReviewed-by: Mimi Zohar \u003czohar@us.ibm.com\u003e\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\nCC: stable@kernel.org\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "7bb46a6734a7e1ad4beaecc11cae7ed3ff81d30f", "tree": "e575d9c55e2a6ccc645dcb3ae2564de458b428f2", "parents": [ "7000d3c424e5bb350e502a477fb0e1ed42f8b10e" ], "author": { "name": "npiggin@suse.de", "email": "npiggin@suse.de", "time": "Thu May 27 01:05:33 2010 +1000" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu May 27 22:15:33 2010 -0400" }, "message": "fs: introduce new truncate sequence\n\nIntroduce a new truncate calling sequence into fs/mm subsystems. Rather than\nsetattr \u003e vmtruncate \u003e truncate, have filesystems call their truncate sequence\nfrom -\u003esetattr if filesystem specific operations are required. vmtruncate is\ndeprecated, and truncate_pagecache and inode_newsize_ok helpers introduced\npreviously should be used.\n\nsimple_setattr is introduced for simple in-ram filesystems to implement\nthe new truncate sequence. Eventually all filesystems should be converted\nto implement a setattr, and the default code in notify_change should go\naway.\n\nsimple_setsize is also introduced to perform just the ATTR_SIZE portion\nof simple_setattr (ie. changing i_size and trimming pagecache).\n\nTo implement the new truncate sequence:\n- filesystem specific manipulations (eg freeing blocks) must be done in\n the setattr method rather than -\u003etruncate.\n- vmtruncate can not be used by core code to trim blocks past i_size in\n the event of write failure after allocation, so this must be performed\n in the fs code.\n- convert usage of helpers block_write_begin, nobh_write_begin,\n cont_write_begin, and *blockdev_direct_IO* to use _newtrunc postfixed\n variants. These avoid calling vmtruncate to trim blocks (see previous).\n- inode_setattr should not be used. generic_setattr is a new function\n to be used to copy simple attributes into the generic inode.\n- make use of the better opportunity to handle errors with the new sequence.\n\nBig problem with the previous calling sequence: the filesystem is not called\nuntil i_size has already changed. This means it is not allowed to fail the\ncall, and also it does not know what the previous i_size was. Also, generic\ncode calling vmtruncate to truncate allocated blocks in case of error had\nno good way to return a meaningful error (or, for example, atomically handle\nblock deallocation).\n\nCc: Christoph Hellwig \u003chch@lst.de\u003e\nAcked-by: Jan Kara \u003cjack@suse.cz\u003e\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "1b061d9247f71cd15edc4c4c4600191a903642c0", "tree": "30d92ca82d8286e7a45fba108230ecd23e61673b", "parents": [ "7ea8085910ef3dd4f3cad6845aaa2b580d39b115" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed May 26 17:53:41 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu May 27 22:06:06 2010 -0400" }, "message": "rename the generic fsync implementations\n\nWe don\u0027t name our generic fsync implementations very well currently.\nThe no-op implementation for in-memory filesystems currently is called\nsimple_sync_file which doesn\u0027t make too much sense to start with,\nthe the generic one for simple filesystems is called simple_fsync\nwhich can lead to some confusion.\n\nThis patch renames the generic file fsync method to generic_file_fsync\nto match the other generic_file_* routines it is supposed to be used\nwith, and the no-op implementation to noop_fsync to make it obvious\nwhat to expect. In addition add some documentation for both methods.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "7ea8085910ef3dd4f3cad6845aaa2b580d39b115", "tree": "d9c1edb5906f943f7d70bfb4b65106e29772d379", "parents": [ "cc967be54710d97c05229b2e5ba2d00df84ddd64" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed May 26 17:53:25 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu May 27 22:05:02 2010 -0400" }, "message": "drop unused dentry argument to -\u003efsync\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "d7065da038227a4d09a244e6014e0186a6bd21d0", "tree": "0b3b30a6ec59aa03e5fb7084eed31f2a5dfc9686", "parents": [ "176306f59ac7a35369cbba87aff13e14c5916074" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed May 26 15:13:55 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu May 27 22:03:07 2010 -0400" }, "message": "get rid of the magic around f_count in aio\n\n__aio_put_req() plays sick games with file refcount. What\nit wants is fput() from atomic context; it\u0027s almost always\ndone with f_count \u003e 1, so they only have to deal with delayed\nwork in rare cases when their reference happens to be the\nlast one. Current code decrements f_count and if it hasn\u0027t\nhit 0, everything is fine. Otherwise it keeps a pointer\nto struct file (with zero f_count!) around and has delayed\nwork do __fput() on it.\n\nBetter way to do it: use atomic_long_add_unless( , -1, 1)\ninstead of !atomic_long_dec_and_test(). IOW, decrement it\nonly if it\u0027s not the last reference, leave refcount alone\nif it was. And use normal fput() in delayed work.\n\nI\u0027ve made that atomic_long_add_unless call a new helper -\nfput_atomic(). Drops a reference to file if it\u0027s safe to\ndo in atomic (i.e. if that\u0027s not the last one), tells if\nit had been able to do that. aio.c converted to it, __fput()\nuse is gone. req-\u003eki_file *always* contributes to refcount\nnow. And __fput() became static.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "105a048a4f35f7a74c7cc20b36dd83658b6ec232", "tree": "043b1110cda0042ba35d8aae59382bb094d0af3f", "parents": [ "00b9b0af5887fed54e899e3b7f5c2ccf5e739def", "9aeead73782c4b8e2a91def36dbf95db28605c95" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 27 10:43:44 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 27 10:43:44 2010 -0700" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (27 commits)\n Btrfs: add more error checking to btrfs_dirty_inode\n Btrfs: allow unaligned DIO\n Btrfs: drop verbose enospc printk\n Btrfs: Fix block generation verification race\n Btrfs: fix preallocation and nodatacow checks in O_DIRECT\n Btrfs: avoid ENOSPC errors in btrfs_dirty_inode\n Btrfs: move O_DIRECT space reservation to btrfs_direct_IO\n Btrfs: rework O_DIRECT enospc handling\n Btrfs: use async helpers for DIO write checksumming\n Btrfs: don\u0027t walk around with task-\u003estate !\u003d TASK_RUNNING\n Btrfs: do aio_write instead of write\n Btrfs: add basic DIO read/write support\n direct-io: do not merge logically non-contiguous requests\n direct-io: add a hook for the fs to provide its own submit_bio function\n fs: allow short direct-io reads to be completed via buffered IO\n Btrfs: Metadata ENOSPC handling for balance\n Btrfs: Pre-allocate space for data relocation\n Btrfs: Metadata ENOSPC handling for tree log\n Btrfs: Metadata reservation for orphan inodes\n Btrfs: Introduce global metadata reservation\n ...\n" }, { "commit": "ae6afc3f5cf53fb97bac2d0a209bb465952742e7", "tree": "541e3f4ed4f2600ffe239e2f23341055199329b1", "parents": [ "09eeb1f5f4d9b52ab57820160dea6027bbea82a3" ], "author": { "name": "jan Blunck", "email": "jblunck@suse.de", "time": "Wed May 26 14:44:48 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 27 09:12:56 2010 -0700" }, "message": "vfs: introduce noop_llseek()\n\nThis is an implementation of -\u003ellseek useable for the rare special case\nwhen userspace expects the seek to succeed but the (device) file is\nactually not able to perform the seek. In this case you use noop_llseek()\ninstead of falling back to the default implementation of -\u003ellseek.\n\nSigned-off-by: Jan Blunck \u003cjblunck@suse.de\u003e\nCc: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nCc: Christoph Hellwig \u003chch@lst.de\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": "facd07b07d2a7988f5ce849558838cc953847637", "tree": "269200329390f450d2bc7f0858a8ed114a418374", "parents": [ "66f998f611897319b555364cefd5d6e88a205866" ], "author": { "name": "Josef Bacik", "email": "josef@redhat.com", "time": "Sun May 23 11:00:55 2010 -0400" }, "committer": { "name": "Chris Mason", "email": "chris.mason@oracle.com", "time": "Tue May 25 10:34:55 2010 -0400" }, "message": "direct-io: add a hook for the fs to provide its own submit_bio function\n\nBecause BTRFS can do RAID and such, we need our own submit hook so we can setup\nthe bio\u0027s in the correct fashion, and handle checksum errors properly. So there\nare a few changes here\n\n1) The submit_io hook. This is straightforward, just call this instead of\nsubmit_bio.\n\n2) Allow the fs to return -ENOTBLK for reads. Usually this has only worked for\nwrites, since writes can fallback onto buffered IO. But BTRFS needs the option\nof falling back on buffered IO if it encounters a compressed extent, since we\nneed to read the entire extent in and decompress it. So if we get -ENOTBLK back\nfrom get_block we\u0027ll return back and fallback on buffered just like the write\ncase.\n\nI\u0027ve tested these changes with fsx and everything seems to work. Thanks,\n\nSigned-off-by: Josef Bacik \u003cjosef@redhat.com\u003e\nSigned-off-by: Chris Mason \u003cchris.mason@oracle.com\u003e\n" }, { "commit": "e8bebe2f71d26871b0970ae1d9cf0ed3cdd9569d", "tree": "c0d82cbd11daaf579b74121c6641d58947091094", "parents": [ "6109e2ce2600e2db26cd0424bb9c6ed019723288", "82f3952c02add60b15eea9151d4d99b6b82066c6" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri May 21 19:37:45 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri May 21 19:37:45 2010 -0700" }, "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: (69 commits)\n fix handling of offsets in cris eeprom.c, get rid of fake on-stack files\n get rid of home-grown mutex in cris eeprom.c\n switch ecryptfs_write() to struct inode *, kill on-stack fake files\n switch ecryptfs_get_locked_page() to struct inode *\n simplify access to ecryptfs inodes in -\u003ereadpage() and friends\n AFS: Don\u0027t put struct file on the stack\n Ban ecryptfs over ecryptfs\n logfs: replace inode uid,gid,mode initialization with helper function\n ufs: replace inode uid,gid,mode initialization with helper function\n udf: replace inode uid,gid,mode init with helper\n ubifs: replace inode uid,gid,mode initialization with helper function\n sysv: replace inode uid,gid,mode initialization with helper function\n reiserfs: replace inode uid,gid,mode initialization with helper function\n ramfs: replace inode uid,gid,mode initialization with helper function\n omfs: replace inode uid,gid,mode initialization with helper function\n bfs: replace inode uid,gid,mode initialization with helper function\n ocfs2: replace inode uid,gid,mode initialization with helper function\n nilfs2: replace inode uid,gid,mode initialization with helper function\n minix: replace inode uid,gid,mode init with helper\n ext4: replace inode uid,gid,mode init with helper\n ...\n\nTrivial conflict in fs/fs-writeback.c (mark bitfields unsigned)\n" }, { "commit": "a1bd120d13e586ea1c424048fd2c8420a442852a", "tree": "fdac342d7ab0fbaaeb1dd7d61a86b457a6938672", "parents": [ "52957fe1c709d5ca3732456d73f4e4d95492c72c" ], "author": { "name": "Dmitry Monakhov", "email": "dmonakhov@openvz.org", "time": "Thu Mar 04 17:29:14 2010 +0300" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:22 2010 -0400" }, "message": "vfs: Add inode uid,gid,mode init helper\n\nSigned-off-by: Dmitry Monakhov \u003cdmonakhov@openvz.org\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "51ee049e771c14a29aaee8ecd6cbbe14db088f3a", "tree": "594c6676eb50a59ce82625ee09fee73fd700a5ed", "parents": [ "cc9106247de92549e50abb0ba12d6b2fdbf0be55" ], "author": { "name": "Roland Dreier", "email": "rdreier@cisco.com", "time": "Tue Apr 27 14:23:57 2010 -0700" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:22 2010 -0400" }, "message": "vfs: add lockdep annotation to s_vfs_rename_key for ecryptfs\n\n \u003e \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\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\n \u003e [ INFO: possible recursive locking detected ]\n \u003e 2.6.31-2-generic #14~rbd3\n \u003e ---------------------------------------------\n \u003e firefox-3.5/4162 is trying to acquire lock:\n \u003e (\u0026s-\u003es_vfs_rename_mutex){+.+.+.}, at: [\u003cffffffff81139d31\u003e] lock_rename+0x41/0xf0\n \u003e\n \u003e but task is already holding lock:\n \u003e (\u0026s-\u003es_vfs_rename_mutex){+.+.+.}, at: [\u003cffffffff81139d31\u003e] lock_rename+0x41/0xf0\n \u003e\n \u003e other info that might help us debug this:\n \u003e 3 locks held by firefox-3.5/4162:\n \u003e #0: (\u0026s-\u003es_vfs_rename_mutex){+.+.+.}, at: [\u003cffffffff81139d31\u003e] lock_rename+0x41/0xf0\n \u003e #1: (\u0026sb-\u003es_type-\u003ei_mutex_key#11/1){+.+.+.}, at: [\u003cffffffff81139d5a\u003e] lock_rename+0x6a/0xf0\n \u003e #2: (\u0026sb-\u003es_type-\u003ei_mutex_key#11/2){+.+.+.}, at: [\u003cffffffff81139d6f\u003e] lock_rename+0x7f/0xf0\n \u003e\n \u003e stack backtrace:\n \u003e Pid: 4162, comm: firefox-3.5 Tainted: G C 2.6.31-2-generic #14~rbd3\n \u003e Call Trace:\n \u003e [\u003cffffffff8108ae74\u003e] print_deadlock_bug+0xf4/0x100\n \u003e [\u003cffffffff8108ce26\u003e] validate_chain+0x4c6/0x750\n \u003e [\u003cffffffff8108d2e7\u003e] __lock_acquire+0x237/0x430\n \u003e [\u003cffffffff8108d585\u003e] lock_acquire+0xa5/0x150\n \u003e [\u003cffffffff81139d31\u003e] ? lock_rename+0x41/0xf0\n \u003e [\u003cffffffff815526ad\u003e] __mutex_lock_common+0x4d/0x3d0\n \u003e [\u003cffffffff81139d31\u003e] ? lock_rename+0x41/0xf0\n \u003e [\u003cffffffff81139d31\u003e] ? lock_rename+0x41/0xf0\n \u003e [\u003cffffffff8120eaf9\u003e] ? ecryptfs_rename+0x99/0x170\n \u003e [\u003cffffffff81552b36\u003e] mutex_lock_nested+0x46/0x60\n \u003e [\u003cffffffff81139d31\u003e] lock_rename+0x41/0xf0\n \u003e [\u003cffffffff8120eb2a\u003e] ecryptfs_rename+0xca/0x170\n \u003e [\u003cffffffff81139a9e\u003e] vfs_rename_dir+0x13e/0x160\n \u003e [\u003cffffffff8113ac7e\u003e] vfs_rename+0xee/0x290\n \u003e [\u003cffffffff8113c212\u003e] ? __lookup_hash+0x102/0x160\n \u003e [\u003cffffffff8113d512\u003e] sys_renameat+0x252/0x280\n \u003e [\u003cffffffff81133eb4\u003e] ? cp_new_stat+0xe4/0x100\n \u003e [\u003cffffffff8101316a\u003e] ? sysret_check+0x2e/0x69\n \u003e [\u003cffffffff8108c34d\u003e] ? trace_hardirqs_on_caller+0x14d/0x190\n \u003e [\u003cffffffff8113d55b\u003e] sys_rename+0x1b/0x20\n \u003e [\u003cffffffff81013132\u003e] system_call_fastpath+0x16/0x1b\n\nThe trace above is totally reproducible by doing a cross-directory\nrename on an ecryptfs directory.\n\nThe issue seems to be that sys_renameat() does lock_rename() then calls\ninto the filesystem; if the filesystem is ecryptfs, then\necryptfs_rename() again does lock_rename() on the lower filesystem, and\nlockdep can\u0027t tell that the two s_vfs_rename_mutexes are different. It\nseems an annotation like the following is sufficient to fix this (it\ndoes get rid of the lockdep trace in my simple tests); however I would\nlike to make sure I\u0027m not misunderstanding the locking, hence the CC\nlist...\n\nSigned-off-by: Roland Dreier \u003crdreier@cisco.com\u003e\nCc: Tyler Hicks \u003ctyhicks@linux.vnet.ibm.com\u003e\nCc: Dustin Kirkland \u003ckirkland@canonical.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "8018ab057480974e7f26a387bf4ce040e9a5f6f1", "tree": "98298180bf60797a028eca4f24234dc67d38a9d4", "parents": [ "e970a573ce30a3976234dcfb67906c164b0df9ee" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Mon Mar 22 17:32:25 2010 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:21 2010 -0400" }, "message": "sanitize vfs_fsync calling conventions\n\nNow that the last user passing a NULL file pointer is gone we can remove\nthe redundant dentry argument and associated hacks inside vfs_fsynmc_range.\n\nThe next step will be removig the dentry argument from -\u003efsync, but given\nthe luck with the last round of method prototype changes I\u0027d rather\ndefer this until after the main merge window.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "bb4354538eb7b92f32cfedbad68c7be266c0b467", "tree": "5ecc43dabf5a0ecb511c74411272eba70415cdaf", "parents": [ "18e9e5104fcd9a973ffe3eed3816c87f2a1b6cd2" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Thu May 13 17:53:14 2010 -0700" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:18 2010 -0400" }, "message": "fs: xattr_handler table should be const\n\nThe entries in xattr handler table should be immutable (ie const)\nlike other operation tables.\n\nLater patches convert common filesystems. Uncoverted filesystems\nwill still work, but will generate a compiler warning.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "18e9e5104fcd9a973ffe3eed3816c87f2a1b6cd2", "tree": "635369c866fcb384223618c878e0b4c317790634", "parents": [ "e1e46bf1866317d4f86f66bf18d3f07317d9f9ee" ], "author": { "name": "Josef Bacik", "email": "josef@redhat.com", "time": "Tue Mar 23 10:34:56 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:18 2010 -0400" }, "message": "Introduce freeze_super and thaw_super for the fsfreeze ioctl\n\nCurrently the way we do freezing is by passing sb\u003es_bdev to freeze_bdev and then\nletting it do all the work. But freezing is more of an fs thing, and doesn\u0027t\nreally have much to do with the bdev at all, all the work gets done with the\nsuper. In btrfs we do not populate s_bdev, since we can have multiple bdev\u0027s\nfor one fs and setting s_bdev makes removing devices from a pool kind of tricky.\nThis means that freezing a btrfs filesystem fails, which causes us to corrupt\nwith things like tux-on-ice which use the fsfreeze mechanism. So instead of\npopulating sb-\u003es_bdev with a random bdev in our pool, I\u0027ve broken the actual fs\nfreezing stuff into freeze_super and thaw_super. These just take the\nsuper_block that we\u0027re freezing and does the appropriate work. It\u0027s basically\njust copy and pasted from freeze_bdev. I\u0027ve then converted freeze_bdev over to\nuse the new super helpers. I\u0027ve tested this with ext4 and btrfs and verified\neverything continues to work the same as before.\n\nThe only new gotcha is multiple calls to the fsfreeze ioctl will return EBUSY if\nthe fs is already frozen. I thought this was a better solution than adding a\nfreeze counter to the super_block, but if everybody hates this idea I\u0027m open to\nsuggestions. Thanks,\n\nSigned-off-by: Josef Bacik \u003cjosef@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "01a05b337a5b647909e1d6670f57e7202318a5fb", "tree": "7877f08db14877d06346c8e1ef52aa17f2483e93", "parents": [ "35cf7ba0b46dc3582a01c3860b14bff122662aa3" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Mar 23 06:06:58 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:16 2010 -0400" }, "message": "new helper: iterate_supers()\n\n... and switch the simple \"loop over superblocks and do something\"\nloops to it.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "35cf7ba0b46dc3582a01c3860b14bff122662aa3", "tree": "2b38e9333600f468f0c8371c657c02e3aa8ec43b", "parents": [ "79893c17b45dec0d3c25bc22d28d9f319b14f573" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Mar 22 21:13:53 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:16 2010 -0400" }, "message": "Bury __put_super_and_need_restart()\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "8edd64bd6089e21f47dcdebb14b598b713213ddc", "tree": "c356a358c7b823433728869ff430ad205c4b8a5d", "parents": [ "551de6f34dfeefbeeadb32909c387d393114ecc8" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Mar 22 19:56:42 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:15 2010 -0400" }, "message": "get rid of restarts in sync_filesystems()\n\nAt the same time we can kill s_need_restart and local mutex in there.\n__put_super() made public for a while; will be gone later.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "b20bd1a5e78af267dc4b6e1ffed48d5d776302c5", "tree": "d50982ee42500712d9add489435d4455580b9cac", "parents": [ "389b8be6ef419397e4f176652927ebad6ebb4b77" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Mon Mar 22 08:53:19 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:14 2010 -0400" }, "message": "get rid of S_BIAS\n\nuse atomic_inc_not_zero(\u0026sb-\u003es_active) instead of playing games with\nchecking -\u003es_count \u003e S_BIAS\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "79d7e39ee1d4b423206f6cfd2cd2eed6253d95fe", "tree": "72cda49fac91729b68edbec086dd5f36178448d5", "parents": [ "3981f2e2a04df4b95129ddbb8bb869ef1d57bea9" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sun Mar 21 19:24:23 2010 -0400" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri May 21 18:31:13 2010 -0400" }, "message": "sb_entry() has been killed a couple of years ago and resurrected on mismerge\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "ee9a3607fb03e804ddf624544105f4e34260c380", "tree": "ce41b6e0fa10982a306f6c142a92dbf3c9961284", "parents": [ "b492e95be0ae672922f4734acf3f5d35c30be948", "d515e86e639890b33a09390d062b0831664f04a2" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri May 21 21:27:26 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri May 21 21:27:26 2010 +0200" }, "message": "Merge branch \u0027master\u0027 into for-2.6.35\n\nConflicts:\n\tfs/ext3/fsync.c\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "f8965467f366fd18f01feafb5db10512d7b4422c", "tree": "3706a9cd779859271ca61b85c63a1bc3f82d626e", "parents": [ "a26272e5200765691e67d6780e52b32498fdb659", "2ec8c6bb5d8f3a62a79f463525054bae1e3d4487" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 20 21:04:44 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu May 20 21:04:44 2010 -0700" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1674 commits)\n qlcnic: adding co maintainer\n ixgbe: add support for active DA cables\n ixgbe: dcb, do not tag tc_prio_control frames\n ixgbe: fix ixgbe_tx_is_paused logic\n ixgbe: always enable vlan strip/insert when DCB is enabled\n ixgbe: remove some redundant code in setting FCoE FIP filter\n ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp\n ixgbe: fix header len when unsplit packet overflows to data buffer\n ipv6: Never schedule DAD timer on dead address\n ipv6: Use POSTDAD state\n ipv6: Use state_lock to protect ifa state\n ipv6: Replace inet6_ifaddr-\u003edead with state\n cxgb4: notify upper drivers if the device is already up when they load\n cxgb4: keep interrupts available when the ports are brought down\n cxgb4: fix initial addition of MAC address\n cnic: Return SPQ credit to bnx2x after ring setup and shutdown.\n cnic: Convert cnic_local_flags to atomic ops.\n can: Fix SJA1000 command register writes on SMP systems\n bridge: fix build for CONFIG_SYSFS disabled\n ARCNET: Limit com20020 PCI ID matches for SOHARD cards\n ...\n\nFix up various conflicts with pcmcia tree drivers/net/\n{pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and\nwireless/orinoco/spectrum_cs.c} and feature removal\n(Documentation/feature-removal-schedule.txt).\n\nAlso fix a non-content conflict due to pm_qos_requirement getting\nrenamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c\n" }, { "commit": "278554bd6579206921f5d8a523649a7a57f8850d", "tree": "4e6c527daf0910e455b3aa72e2c96b0479e430be", "parents": [ "5a147e8bf982f9dd414c1dd751fe02c1942506b2", "cea0d767c29669bf89f86e4aee46ef462d2ebae8" ], "author": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Wed May 12 00:05:35 2010 -0700" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Wed May 12 00:05:35 2010 -0700" }, "message": "Merge branch \u0027master\u0027 of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6\n\nConflicts:\n\tDocumentation/feature-removal-schedule.txt\n\tdrivers/net/wireless/ath/ar9170/usb.c\n\tdrivers/scsi/iscsi_tcp.c\n\tnet/ipv4/ipmr.c\n" }, { "commit": "6a727b43be8b005609e893a80af980808012cfdb", "tree": "7e30e015a9da93f049fbe6a27b591313d592b8b6", "parents": [ "bc6a0cbd576c66995d782331456f68ae63a50af4" ], "author": { "name": "Jiri Slaby", "email": "jslaby@suse.cz", "time": "Sat May 01 23:51:22 2010 +0200" }, "committer": { "name": "Rafael J. Wysocki", "email": "rjw@sisk.pl", "time": "Mon May 10 23:08:17 2010 +0200" }, "message": "FS / libfs: Implement simple_write_to_buffer\n\nIt will be used in suspend code and serves as an easy wrap around\ncopy_from_user. Similar to simple_read_from_buffer, it takes care\nof transfers with proper lengths depending on available and count\nparameters and advances ppos appropriately.\n\nSigned-off-by: Jiri Slaby \u003cjslaby@suse.cz\u003e\nSigned-off-by: Rafael J. Wysocki \u003crjw@sisk.pl\u003e\n" }, { "commit": "7407cf355fdf5500430be966dbbde84a27293bad", "tree": "922861288ff38558ed721a79653f52b17b13bb95", "parents": [ "6a47dc1418682c83d603b491df1d048f73aa973e", "79dba2eaa771c3173957eccfd288e0e0d12e4d3f" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Apr 29 09:36:24 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Apr 29 09:36:24 2010 +0200" }, "message": "Merge branch \u0027master\u0027 into for-2.6.35\n\nConflicts:\n\tfs/block_dev.c\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "6b4517a7913a09d3259bb1d21c9cb300f12294bd", "tree": "a79a1a95c0ef193b20fc004b575f65826f2a85cc", "parents": [ "1a3cbbc5a5e8a66934aa0947896a4aca6fd77298" ], "author": { "name": "Tejun Heo", "email": "tj@kernel.org", "time": "Wed Apr 07 18:53:59 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Apr 27 10:57:54 2010 +0200" }, "message": "block: implement bd_claiming and claiming block\n\nCurrently, device claiming for exclusive open is done after low level\nopen - disk-\u003efops-\u003eopen() - has completed successfully. This means\nthat exclusive open attempts while a device is already exclusively\nopen will fail only after disk-\u003efops-\u003eopen() is called.\n\ncdrom driver issues commands during open() which means that O_EXCL\nopen attempt can unintentionally inject commands to in-progress\ncommand stream for burning thus disturbing burning process. In most\ncases, this doesn\u0027t cause problems because the first command to be\nissued is TUR which most devices can process in the middle of burning.\nHowever, depending on how a device replies to TUR during burning,\ncdrom driver may end up issuing further commands.\n\nThis can\u0027t be resolved trivially by moving bd_claim() before doing\nactual open() because that means an open attempt which will end up\nfailing could interfere other legit O_EXCL open attempts.\nie. unconfirmed open attempts can fail others.\n\nThis patch resolves the problem by introducing claiming block which is\nstarted by bd_start_claiming() and terminated either by bd_claim() or\nbd_abort_claiming(). bd_claim() from inside a claiming block is\nguaranteed to succeed and once a claiming block is started, other\nbd_start_claiming() or bd_claim() attempts block till the current\nclaiming block is terminated.\n\nbd_claim() can still be used standalone although now it always\nsynchronizes against claiming blocks, so the existing users will keep\nworking without any change.\n\nblkdev_open() and open_bdev_exclusive() are converted to use claiming\nblocks so that exclusive open attempts from these functions don\u0027t\ninterfere with the existing exclusive open.\n\nThis problem was discovered while investigating bko#15403.\n\n https://bugzilla.kernel.org/show_bug.cgi?id\u003d15403\n\nThe burning problem itself can be resolved by updating userspace\nprobing tools to always open w/ O_EXCL.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nReported-by: Matthias-Christian Ott \u003cott@mirix.org\u003e\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "3a3076f4d6e2fa31338a0b007df42a3b32f079e0", "tree": "58bb9ec51a2e99baf7b28cebd0c9d3df2fc1c7a7", "parents": [ "1918ad77f7f908ed67cf37c505c6ad4ac52f1ecf" ], "author": { "name": "Josef Bacik", "email": "josef@redhat.com", "time": "Fri Apr 23 12:17:17 2010 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Apr 23 10:39:48 2010 -0700" }, "message": "Cleanup generic block based fiemap\n\nThis cleans up a few of the complaints of __generic_block_fiemap. I\u0027ve\nfixed all the typing stuff, used inline functions instead of macros,\ngotten rid of a couple of variables, and made sure the size and block\nrequests are all block aligned. It also fixes a problem where sometimes\nFIEMAP_EXTENT_LAST wasn\u0027t being set properly.\n\nSigned-off-by: Josef Bacik \u003cjosef@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "989a2979205dd34269382b357e6d4b4b6956b889", "tree": "2f504e9f4d8d418dd8fb2d042b076c1318232360", "parents": [ "e5700aff144fbbba46be40049f0c55fb57283777" ], "author": { "name": "Eric Dumazet", "email": "eric.dumazet@gmail.com", "time": "Wed Apr 14 09:55:35 2010 +0000" }, "committer": { "name": "David S. Miller", "email": "davem@davemloft.net", "time": "Wed Apr 21 16:19:29 2010 -0700" }, "message": "fasync: RCU and fine grained locking\n\nkill_fasync() uses a central rwlock, candidate for RCU conversion, to\navoid cache line ping pongs on SMP.\n\nfasync_remove_entry() and fasync_add_entry() can disable IRQS on a short\nsection instead during whole list scan.\n\nUse a spinlock per fasync_struct to synchronize kill_fasync_rcu() and\nfasync_{remove|add}_entry(). This spinlock is IRQ safe, so sock_fasync()\ndoesnt need its own implementation and can use fasync_helper(), to\nreduce code size and complexity.\n\nWe can remove __kill_fasync() direct use in net/socket.c, and rename it\nto kill_fasync_rcu().\n\nSigned-off-by: Eric Dumazet \u003ceric.dumazet@gmail.com\u003e\nCc: Paul E. McKenney \u003cpaulmck@linux.vnet.ibm.com\u003e\nCc: Lai Jiangshan \u003claijs@cn.fujitsu.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n" }, { "commit": "b1dd3b2843b3b73b7fc2ee47d96310cd1c051371", "tree": "ab7d13e076d255dd2c598a3c819e114a854ae85f", "parents": [ "55ab3a1ff843e3f0e24d2da44e71bffa5d853010" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Tue Apr 06 14:35:00 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Apr 07 08:38:04 2010 -0700" }, "message": "vfs: rename block_fsync() to blkdev_fsync()\n\nRequested by hch, for consistency now it is exported.\n\nCc: Alexander Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Anton Blanchard \u003canton@samba.org\u003e\nCc: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Jan Kara \u003cjack@suse.cz\u003e\nCc: Jeff Moyer \u003cjmoyer@redhat.com\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "55ab3a1ff843e3f0e24d2da44e71bffa5d853010", "tree": "092f383aab3dc57d6780348aa9638d01e99041cf", "parents": [ "da258016293f5e82b36db67ac3db3931a4fbbc4d" ], "author": { "name": "Anton Blanchard", "email": "anton@samba.org", "time": "Tue Apr 06 14:34:58 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Apr 07 08:38:04 2010 -0700" }, "message": "raw: fsync method is now required\n\nCommit 148f948ba877f4d3cdef036b1ff6d9f68986706a (vfs: Introduce new\nhelpers for syncing after writing to O_SYNC file or IS_SYNC inode) broke\nthe raw driver.\n\nWe now call through generic_file_aio_write -\u003e generic_write_sync -\u003e\nvfs_fsync_range. vfs_fsync_range has:\n\n if (!fop || !fop-\u003efsync) {\n ret \u003d -EINVAL;\n goto out;\n }\n\nBut drivers/char/raw.c doesn\u0027t set an fsync method.\n\nWe have two options: fix it or remove the raw driver completely. I\u0027m\nhappy to do either, the fact this has been broken for so long suggests it\nis rarely used.\n\nThe patch below adds an fsync method to the raw driver. My knowledge of\nthe block layer is pretty sketchy so this could do with a once over.\n\nIf we instead decide to remove the raw driver, this patch might still be\nuseful as a backport to 2.6.33 and 2.6.32.\n\nSigned-off-by: Anton Blanchard \u003canton@samba.org\u003e\nReviewed-by: Jan Kara \u003cjack@suse.cz\u003e\nCc: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Alexander Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nReviewed-by: Jeff Moyer \u003cjmoyer@redhat.com\u003e\nTested-by: Jeff Moyer \u003cjmoyer@redhat.com\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": "19adf9c5d5793657118f2002237c0ee49c3b6185", "tree": "ed5d2bdb437253486cb803799e2f4e26e27277e6", "parents": [ "0141450f66c3c12a3aaa869748caa64241885cdf" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Fri Mar 05 13:42:03 2010 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Mar 06 11:26:25 2010 -0800" }, "message": "include/linux/fs.h: convert FMODE_* constants to hex\n\nIt was tolerable until Eric went and added 8388608.\n\nCc: Eric Paris \u003ceparis@redhat.com\u003e\nCc: Wu Fengguang \u003cfengguang.wu@intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "0141450f66c3c12a3aaa869748caa64241885cdf", "tree": "cab5f621dafd1f133d915e5c60aea160438a2e11", "parents": [ "42e49608683ab25fbbbf9c40edb944601e543882" ], "author": { "name": "Wu Fengguang", "email": "fengguang.wu@intel.com", "time": "Fri Mar 05 13:42:03 2010 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Mar 06 11:26:25 2010 -0800" }, "message": "readahead: introduce FMODE_RANDOM for POSIX_FADV_RANDOM\n\nThis fixes inefficient page-by-page reads on POSIX_FADV_RANDOM.\n\nPOSIX_FADV_RANDOM used to set ra_pages\u003d0, which leads to poor performance:\na 16K read will be carried out in 4 _sync_ 1-page reads.\n\nIn other places, ra_pages\u003d\u003d0 means\n- it\u0027s ramfs/tmpfs/hugetlbfs/sysfs/configfs\n- some IO error happened\nwhere multi-page read IO won\u0027t help or should be avoided.\n\nPOSIX_FADV_RANDOM actually want a different semantics: to disable the\n*heuristic* readahead algorithm, and to use a dumb one which faithfully\nsubmit read IO for whatever application requests.\n\nSo introduce a flag FMODE_RANDOM for POSIX_FADV_RANDOM.\n\nNote that the random hint is not likely to help random reads performance\nnoticeably. And it may be too permissive on huge request size (its IO\nsize is not limited by read_ahead_kb).\n\nIn Quentin\u0027s report (http://lkml.org/lkml/2009/12/24/145), the overall\n(NFS read) performance of the application increased by 313%!\n\nTested-by: Quentin Barnes \u003cqbarnes+nfs@yahoo-inc.com\u003e\nSigned-off-by: Wu Fengguang \u003cfengguang.wu@intel.com\u003e\nCc: Nick Piggin \u003cnpiggin@suse.de\u003e\nCc: Andi Kleen \u003candi@firstfloor.org\u003e\nCc: Steven Whitehouse \u003cswhiteho@redhat.com\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: Jonathan Corbet \u003ccorbet@lwn.net\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Christoph Hellwig \u003chch@infradead.org\u003e\nCc: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nCc: Chuck Lever \u003cchuck.lever@oracle.com\u003e\nCc: \u003cstable@kernel.org\u003e\t\t\t[2.6.33.x]\nCc: \u003cqbarnes+nfs@yahoo-inc.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a9185b41a4f84971b930c519f0c63bd450c4810d", "tree": "268cf4e206cca12fb9e1dd68984e7c190e465b46", "parents": [ "26821ed40b4230259e770c9911180f38fcaa6f59" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Fri Mar 05 09:21:37 2010 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Mar 05 13:25:52 2010 -0500" }, "message": "pass writeback_control to -\u003ewrite_inode\n\nThis gives the filesystem more information about the writeback that\nis happening. Trond requested this for the NFS unstable write handling,\nand other filesystems might benefit from this too by beeing able to\ndistinguish between the different callers in more detail.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "db1f05bb85d7966b9176e293f3ceead1cb8b5d79", "tree": "65a1d746f84cb8aa9be2a69c59eb627859b9fa0d", "parents": [ "440b3c6c160f7d0a985f24ad1f4c24e00ee2d936" ], "author": { "name": "Miklos Szeredi", "email": "mszeredi@suse.cz", "time": "Wed Feb 10 12:15:53 2010 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:08:00 2010 -0500" }, "message": "vfs: add NOFOLLOW flag to umount(2)\n\nAdd a new UMOUNT_NOFOLLOW flag to umount(2). This is needed to prevent\nsymlink attacks in unprivileged unmounts (fuse, samba, ncpfs).\n\nAdditionally, return -EINVAL if an unknown flag is used (and specify\nan explicitly unused flag: UMOUNT_UNUSED). This makes it possible for\nthe caller to determine if a flag is supported or not.\n\nCC: Eugene Teo \u003ceugene@redhat.com\u003e\nCC: Michael Kerrisk \u003cmtk.manpages@gmail.com\u003e\nSigned-off-by: Miklos Szeredi \u003cmszeredi@suse.cz\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "1f707137b55764740981d022d29c622832a61880", "tree": "af5f72ea7df1afbc1f3b5bb53a3ab3d8ebaae1e0", "parents": [ "462d60577a997aa87c935ae4521bd303733a9f2b" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Jan 30 22:51:25 2010 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:07:57 2010 -0500" }, "message": "new helper: iterate_mounts()\n\napply function to vfsmounts in set returned by collect_mounts(),\nstop if it returns non-zero.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "2096f759abcb42200a81d776f597362fd9265024", "tree": "f0784653a50713f9f91f39e24c40abacbfbb6427", "parents": [ "495d6c9c6595ec7b37910dfd42634839431d21fd" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Jan 30 13:16:21 2010 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:07:55 2010 -0500" }, "message": "New helper: path_is_under(path1, path2)\n\nAnalog of is_subdir for vfsmount,dentry pairs, moved from audit_tree.c\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "2ecdc82ef0b03e67ce5ecee79d0d108177a704df", "tree": "66887e3e0e7328c4030888905a713a995bb1654b", "parents": [ "270ba5f7c5dac0bfb564aa35a536fb31ad4075bd" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Tue Jan 26 17:27:20 2010 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:07:55 2010 -0500" }, "message": "kill unused invalidate_inode_pages helper\n\nNo one is calling this anymore as everyone has switched to\ninvalidate_mapping_pages long time ago. Also update a few\nreferences to it in comments. nfs has two more, but I can\u0027t\neasily figure what they are actually referring to, so I left\nthem as-is.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "270ba5f7c5dac0bfb564aa35a536fb31ad4075bd", "tree": "f1e3247c9ca36d92ea87be5d72e66656d24b71bd", "parents": [ "f1771ffaac29a7a4e321ddd94d7873bc0dcefd41" ], "author": { "name": "Richard Kennedy", "email": "richard@rsk.demon.co.uk", "time": "Tue Jan 26 14:12:43 2010 +0000" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 14:07:55 2010 -0500" }, "message": "fs: re-order super_block to remove 16 bytes of padding on 64bit builds\n\nre-order structure super_block to remove 16 bytes of alignment padding\non 64bit builds.\n\nThis shrinks the size of super_block from 712 to 696 bytes so requiring\none fewer 64 byte cache lines.\n\nSigned-off-by: Richard Kennedy \u003crichard@rsk.demon.co.uk\u003e\n\n-----\npatch against 2.6.33-rc5\ncompiled \u0026 tested on x86_64 AMDX2 desktop machine.\n\nI\u0027ve been running with this patch applied for several weeks with no\nproblems.\n\nregards\nRichard\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "193cf4b99113a4550598ba9e8343e591fc062e23", "tree": "f71904516c51033fc8c61309ff811f0280a6ac03", "parents": [ "ad2a722f196d2b014f49e6c37e072df71eb3695f" ], "author": { "name": "Boaz Harrosh", "email": "bharrosh@panasas.com", "time": "Tue Jan 12 16:18:08 2010 +0200" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Mar 03 13:00:17 2010 -0500" }, "message": "libfs: Unexport and kill simple_prepare_write\n\nRemove the EXPORT_UNUSED_SYMBOL of simple_prepare_write\n\nCollapse simple_prepare_write into it\u0027s only caller, though\nmaking it simpler and clearer to understand.\n\nSigned-off-by: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "4e70af56319e56423d6eb1ce25fc321cdf8cd41d", "tree": "5bdc090bc52c2b341c880374574613ca12f50b6a", "parents": [ "7fee4868be91e71a3ee8e57289ebf5e10a12297e" ], "author": { "name": "Richard Kennedy", "email": "richard@rsk.demon.co.uk", "time": "Mon Feb 15 11:16:11 2010 +0000" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Feb 19 10:41:13 2010 -0500" }, "message": "fs: inode - remove 8 bytes of padding on 64bits allowing 1 more objects/slab under slub\n\nThis removes 8 bytes of padding from struct inode on 64bit builds, and\nso allows 1 more object/slab in the inode_cache when using slub.\n\nSigned-off-by: Richard Kennedy \u003crichard@rsk.demon.co.uk\u003e\n----\npatch against 2.6.33-rc8\ncompiled \u0026 tested on x86_64 AMDX2\n\nI\u0027ve been running this patch for over a week with no obvious problems\nregards\nRichard\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "6d125529c6cbfe570ce3bf9a0728548f087499da", "tree": "89ba434f76d224741bd0e0b0ef02b10a4ff95136", "parents": [ "4ecf09fd3a7c8858198875171b684c73338fad83" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu Dec 24 06:58:56 2009 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu Jan 14 09:05:26 2010 -0500" }, "message": "Fix ACC_MODE() for real\n\ncommit 5300990c0370e804e49d9a59d928c5d53fb73487 had stepped on a rather\nnasty mess: definitions of ACC_MODE used to be different. Fixed the\nresulting breakage, converting them to variant that takes O_... value;\nall callers have that and it actually simplifies life (see tomoyo part\nof changes).\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "b462707e7ccad058ae151e5c5b06eb5cadcb737f", "tree": "ea518c8eed963989c94fa5e555e1aeb3bb08143b", "parents": [ "c459001fa4f71deafb62e00fa70d35f695498965" ], "author": { "name": "Dmitry Monakhov", "email": "dmonakhov@openvz.org", "time": "Mon Dec 14 15:21:12 2009 +0300" }, "committer": { "name": "Jan Kara", "email": "jack@suse.cz", "time": "Wed Dec 23 13:33:54 2009 +0100" }, "message": "Add unlocked version of inode_add_bytes() function\n\nQuota code requires unlocked version of this function. Off course\nwe can just copy-paste the code, but copy-pasting is always an evil.\n\nSigned-off-by: Dmitry Monakhov \u003cdmonakhov@openvz.org\u003e\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n" }, { "commit": "95ebc3a7930d5965b00bbedbf36bfd3eb9124d65", "tree": "a08b3fd060cf5c3da4af81f7f2cfe93bf23f104d", "parents": [ "5300990c0370e804e49d9a59d928c5d53fb73487" ], "author": { "name": "Andreas Gruenbacher", "email": "agruen@suse.de", "time": "Wed Oct 28 01:46:33 2009 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Dec 22 12:27:35 2009 -0500" }, "message": "Remove obsolete comment in fs.h\n\nThis question was determined to be a bug which was fixed in\ncommit 4a3b0a49.\n\nSigned-off-by: Andreas Gruenbacher \u003cagruen@suse.de\u003e\nCc: Jan Blunck \u003cjblunck@suse.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "5300990c0370e804e49d9a59d928c5d53fb73487", "tree": "08ed922afd172662039c082ec9e9410070f4afe8", "parents": [ "482928d59db668b8d82a48717f78986d8cea72e9" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Dec 19 10:15:07 2009 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Tue Dec 22 12:27:34 2009 -0500" }, "message": "Sanitize f_flags helpers\n\n* pull ACC_MODE to fs.h; we have several copies all over the place\n* nightmarish expression calculating f_mode by f_flags deserves a helper\ntoo (OPEN_FMODE(flags))\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "eaff8079d4f1016a12e34ab323737314f24127dd", "tree": "a3d9e00320c6195e55811d5247a521f99341a411", "parents": [ "7a0ad10c367ab57c899d340372f37880cbe6ab52" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Thu Dec 17 14:25:01 2009 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu Dec 17 11:03:25 2009 -0500" }, "message": "kill I_LOCK\n\nAfter I_SYNC was split from I_LOCK the leftover is always used together with\nI_NEW and thus superflous.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "7a0ad10c367ab57c899d340372f37880cbe6ab52", "tree": "7e21f078c03cbeb350d964c23a2c49f7016f5ef7", "parents": [ "76b7e0058d09f8104387980a690001681c04cc0a" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Thu Dec 17 14:24:40 2009 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Thu Dec 17 11:03:25 2009 -0500" }, "message": "fold do_sync_file_range into sys_sync_file_range\n\nWe recently go rid of all callers of do_sync_file_range as they\u0027re better\nserved with vfs_fsync or the filemap_write_and_wait. Now that\ndo_sync_file_range is down to a single caller fold it into it so that people\ndon\u0027t start using it again accidentally. While at it also switch it from\nusing __filemap_fdatawrite_range(..., WB_SYNC_ALL) to the more clear\nfilemap_fdatawrite_range().\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "bea4c899f2b5fad80099aea979780ef19f9b1987", "tree": "65130f4bc91b92e72498fc58bf895d35f2ebf0f2", "parents": [ "73efc4681cb5e3c8807daf106f001e7f0798d8a0", "3fc98b1ac036675b95f6e3fafd5ef147b97d4d30" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Dec 16 13:29:39 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Dec 16 13:29:39 2009 -0800" }, "message": "Merge branch \u0027for-linus\u0027 of git://oss.sgi.com/xfs/xfs\n\n* \u0027for-linus\u0027 of git://oss.sgi.com/xfs/xfs:\n XFS: Free buffer pages array unconditionally\n xfs: kill xfs_bmbt_rec_32/64 types\n xfs: improve metadata I/O merging in the elevator\n xfs: check for not fully initialized inodes in xfs_ireclaim\n" }, { "commit": "2ee1abad73a12df5521cd3f017f081f1f684a361", "tree": "e44a88b0ae7f01d339426d7a6d18bde017bb9cf1", "parents": [ "b44b1126279b60597f96bbe77507b1650f88a969" ], "author": { "name": "Dave Chinner", "email": "dgc@sgi.com", "time": "Tue Nov 24 18:03:15 2009 +0000" }, "committer": { "name": "Alex Elder", "email": "aelder@sgi.com", "time": "Wed Dec 16 13:41:19 2009 -0600" }, "message": "xfs: improve metadata I/O merging in the elevator\n\nChange all async metadata buffers to use [READ|WRITE]_META I/O types\nso that the I/O doesn\u0027t get issued immediately. This allows merging of\nadjacent metadata requests but still prioritises them over bulk data.\nThis shows a 10-15% improvement in sequential create speed of small\nfiles.\n\nDon\u0027t include the log buffers in this classification - leave them as\nsync types so they are issued immediately.\n\nSigned-off-by: Dave Chinner \u003cdgc@sgi.com\u003e\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Alex Elder \u003caelder@sgi.com\u003e\n" }, { "commit": "1e431f5ce78f3ae8254d725060288b78ff74f086", "tree": "a144fd7b6120ec61958c82023b25620a18aa3d6d", "parents": [ "1c7c474c31aea6d5cb2fb35f31d9e9e91ae466b1" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Tue Nov 03 16:44:53 2009 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Dec 16 12:16:49 2009 -0500" }, "message": "cleanup blockdev_direct_IO locking\n\nCurrently the locking in blockdev_direct_IO is a mess, we have three different\nlocking types and very confusing checks for some of them. The most\ncomplicated one is DIO_OWN_LOCKING for reads, which happens to not actually be\nused.\n\nThis patch gets rid of the DIO_OWN_LOCKING - as mentioned above the read case\nis unused anyway, and the write side is almost identical to DIO_NO_LOCKING.\nThe difference is that DIO_NO_LOCKING always sets the create argument for\nthe get_blocks callback to zero, but we can easily move that to the actual\nget_blocks callbacks. There are four users of the DIO_NO_LOCKING mode:\ngfs already ignores the create argument and thus is fine with the new\nversion, ocfs2 only errors out if create were ever set, and we can remove\nthis dead code now, the block device code only ever uses create for an\nerror message if we are fully beyond the device which can never happen,\nand last but not least XFS will need the new behavour for writes.\n\nNow we can replace the lock_type variable with a flags one, where no flag\nmeans the DIO_NO_LOCKING behaviour and DIO_LOCKING is kept as the first\nflag. Separate out the check for not allowing to fill holes into a separate\nflag, although for now both flags always get set at the same time.\n\nAlso revamp the documentation of the locking scheme to actually make sense.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "e81e3f4dca6c54116a24aec217d2c15c6f58ada5", "tree": "4cbaf8b4573a4f4dac2dafc2bebffe398a984b3d", "parents": [ "b75b5086be6504132eadb22a907854e0bf52e365" ], "author": { "name": "Eric Paris", "email": "eparis@redhat.com", "time": "Fri Dec 04 15:47:36 2009 -0500" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Wed Dec 16 12:16:45 2009 -0500" }, "message": "fs: move get_empty_filp() deffinition to internal.h\n\nAll users outside of fs/ of get_empty_filp() have been removed. This patch\nmoves the definition from the include/ directory to internal.h so no new\nusers crop up and removes the EXPORT_SYMBOL. I\u0027d love to see open intents\nstop using it too, but that\u0027s a problem for another day and a smarter\ndeveloper!\n\nSigned-off-by: Eric Paris \u003ceparis@redhat.com\u003e\nAcked-by: Miklos Szeredi \u003cmiklos@szeredi.hu\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "5fe878ae7f82fbf0830dbfaee4c5ca18f3aee442", "tree": "7e7ad290cfb30705948d8ebeb46b013afa913f42", "parents": [ "23aee091d804efa8cc732a31c1ae5d625e1ec886" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Tue Dec 15 16:47:50 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Dec 16 07:20:13 2009 -0800" }, "message": "direct-io: cleanup blockdev_direct_IO locking\n\nCurrently the locking in blockdev_direct_IO is a mess, we have three\ndifferent locking types and very confusing checks for some of them. The\nmost complicated one is DIO_OWN_LOCKING for reads, which happens to not\nactually be used.\n\nThis patch gets rid of the DIO_OWN_LOCKING - as mentioned above the read\ncase is unused anyway, and the write side is almost identical to\nDIO_NO_LOCKING. The difference is that DIO_NO_LOCKING always sets the\ncreate argument for the get_blocks callback to zero, but we can easily\nmove that to the actual get_blocks callbacks. There are four users of the\nDIO_NO_LOCKING mode: gfs already ignores the create argument and thus is\nfine with the new version, ocfs2 only errors out if create were ever set,\nand we can remove this dead code now, the block device code only ever uses\ncreate for an error message if we are fully beyond the device which can\nnever happen, and last but not least XFS will need the new behavour for\nwrites.\n\nNow we can replace the lock_type variable with a flags one, where no flag\nmeans the DIO_NO_LOCKING behaviour and DIO_LOCKING is kept as the first\nflag. Separate out the check for not allowing to fill holes into a\nseparate flag, although for now both flags always get set at the same\ntime.\n\nAlso revamp the documentation of the locking scheme to actually make\nsense.\n\n[akpm@linux-foundation.org: coding-style fixes]\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nCc: Dave Chinner \u003cdavid@fromorbit.com\u003e\nCc: Badari Pulavarty \u003cpbadari@us.ibm.com\u003e\nCc: Jeff Moyer \u003cjmoyer@redhat.com\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nCc: Zach Brown \u003czach.brown@oracle.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Alex Elder \u003caelder@sgi.com\u003e\nCc: Mark Fasheh \u003cmfasheh@suse.com\u003e\nCc: Joel Becker \u003cjoel.becker@oracle.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "94004ed726f38a841cc51f97c4a3f9eda9fbd0d9", "tree": "786689e9fc9e686a5b54c1a1b1efcbb7d043b5ab", "parents": [ "6b2f3d1f769be5779b479c37800229d9a4809fc3" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed Sep 30 22:16:33 2009 +0200" }, "committer": { "name": "Jan Kara", "email": "jack@suse.cz", "time": "Thu Dec 10 15:02:50 2009 +0100" }, "message": "kill wait_on_page_writeback_range\n\nAll callers really want the more logical filemap_fdatawait_range interface,\nso convert them to use it and merge wait_on_page_writeback_range into\nfilemap_fdatawait_range.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n" }, { "commit": "98262f2762f0067375f83824d81ea929e37e6bfe", "tree": "a26618d5c305eed975501c80cb02bc0f1b6e4524", "parents": [ "464191c65b85a8ec68a6e1a6293af625287c807e" ], "author": { "name": "Martin K. Petersen", "email": "martin.petersen@oracle.com", "time": "Thu Dec 03 09:24:48 2009 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Dec 03 09:24:48 2009 +0100" }, "message": "block: Allow devices to indicate whether discarded blocks are zeroed\n\nThe discard ioctl is used by mkfs utilities to clear a block device\nprior to putting metadata down. However, not all devices return zeroed\nblocks after a discard. Some drives return stale data, potentially\ncontaining old superblocks. It is therefore important to know whether\ndiscarded blocks are properly zeroed.\n\nBoth ATA and SCSI drives have configuration bits that indicate whether\nzeroes are returned after a discard operation. Implement a block level\ninterface that allows this information to be bubbled up the stack and\nqueried via a new block device ioctl.\n\nSigned-off-by: Martin K. Petersen \u003cmartin.petersen@oracle.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "d9449ce35a1e8fb58dd2d419f9215562a14ecca0", "tree": "322f88901d3e494134354dcd5b7f63fa723145e8", "parents": [ "c16632bab1a17e357cec66920ceb3f0630009360" ], "author": { "name": "Vivek Goyal", "email": "vgoyal@redhat.com", "time": "Thu Nov 26 09:45:40 2009 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Nov 26 09:46:46 2009 +0100" }, "message": "Fix regression in direct writes performance due to WRITE_ODIRECT flag removal\n\nThere seems to be a regression in direct write path due to following\ncommit in for-2.6.33 branch of block tree.\n\ncommit 1af60fbd759d31f565552fea315c2033947cfbe6\nAuthor: Jeff Moyer \u003cjmoyer@redhat.com\u003e\nDate: Fri Oct 2 18:56:53 2009 -0400\n\n block: get rid of the WRITE_ODIRECT flag\n\nMarking direct writes as WRITE_SYNC_PLUG instead of WRITE_ODIRECT, sets\nthe NOIDLE flag in bio and hence in request. This tells CFQ to not expect\nmore request from the queue and not idle on it (despite the fact that\nqueue\u0027s think time is less and it is not seeky).\n\nSo direct writers lose big time when competing with sequential readers.\n\nUsing fio, I have run one direct writer and two sequential readers and\nfollowing are the results with 2.6.32-rc7 kernel and with for-2.6.33\nbranch.\n\nTest\n\u003d\u003d\u003d\u003d\n1 direct writer and 2 sequential reader running simultaneously.\n\n[global]\ndirectory\u003d/mnt/sdc/fio/\nruntime\u003d10\n\n[seqwrite]\nrw\u003dwrite\nsize\u003d4G\ndirect\u003d1\n\n[seqread]\nrw\u003dread\nsize\u003d2G\nnumjobs\u003d2\n\n2.6.32-rc7\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\ndirect writes: aggrb\u003d2,968KB/s\nreaders\t : aggrb\u003d101MB/s\n\nfor-2.6.33 branch\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\ndirect write: aggrb\u003d19KB/s\nreaders\t aggrb\u003d137MB/s\n\nThis patch brings back the WRITE_ODIRECT flag, with the difference that we\ndon\u0027t set the BIO_RW_UNPLUG flag so that device is not unplugged after\nsubmission of request and an explicit unplug from submitter is required.\n\nThat way we fix the jeff\u0027s issue of not enough merging taking place in aio\npath as well as make sure direct writes get their fair share.\n\nAfter the fix\n\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\nfor-2.6.33 + fix\n----------------\ndirect writes: aggrb\u003d2,728KB/s\nreads: aggrb\u003d103MB/s\n\nThanks\nVivek\n\nSigned-off-by: Vivek Goyal \u003cvgoyal@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "1af60fbd759d31f565552fea315c2033947cfbe6", "tree": "e973002ee2496a9537526c8aef111f380071a1a0", "parents": [ "1a1238a7dd48e48b3bba8f426a1d61c22c80d6d1" ], "author": { "name": "Jeff Moyer", "email": "jmoyer@redhat.com", "time": "Fri Oct 02 18:56:53 2009 -0400" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Oct 28 09:29:25 2009 +0100" }, "message": "block: get rid of the WRITE_ODIRECT flag\n\nHi,\n\nThe WRITE_ODIRECT flag is only used in one place, and that code path\nhappens to also call blk_run_address_space. The introduction of this\nflag, then, could result in the device being unplugged twice for every\nI/O.\n\nFurther, with the batching changes in the next patch, we don\u0027t want an\nO_DIRECT write to imply a queue unplug.\n\nSigned-off-by: Jeff Moyer \u003cjmoyer@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "58e57fbd1c7e8833314459555e337364fe5521f3", "tree": "242a3859387588889c9dcc45915b0dec951f84c3", "parents": [ "8a0382f6fceaf0c6479e582e1054f36333ea3d24", "0f78ab9899e9d6acb09d5465def618704255963b" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Oct 04 12:39:14 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Oct 04 12:39:14 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.dk/linux-2.6-block\n\n* \u0027for-linus\u0027 of git://git.kernel.dk/linux-2.6-block: (41 commits)\n Revert \"Seperate read and write statistics of in_flight requests\"\n cfq-iosched: don\u0027t delay async queue if it hasn\u0027t dispatched at all\n block: Topology ioctls\n cfq-iosched: use assigned slice sync value, not default\n cfq-iosched: rename \u0027desktop\u0027 sysfs entry to \u0027low_latency\u0027\n cfq-iosched: implement slower async initiate and queue ramp up\n cfq-iosched: delay async IO dispatch, if sync IO was just done\n cfq-iosched: add a knob for desktop interactiveness\n Add a tracepoint for block request remapping\n block: allow large discard requests\n block: use normal I/O path for discard requests\n swapfile: avoid NULL pointer dereference in swapon when s_bdev is NULL\n fs/bio.c: move EXPORT* macros to line after function\n Add missing blk_trace_remove_sysfs to be in pair with blk_trace_init_sysfs\n cciss: fix build when !PROC_FS\n block: Do not clamp max_hw_sectors for stacking devices\n block: Set max_sectors correctly for stacking devices\n cciss: cciss_host_attr_groups should be const\n cciss: Dynamically allocate the drive_info_struct for each logical drive.\n cciss: Add usage_count attribute to each logical drive in /sys\n ...\n" }, { "commit": "ac481c20ef8f6c6f2be75d581863f40c43874ef7", "tree": "90512cadc1c9dea89c0a24149166d3ab464d065e", "parents": [ "61f0c1dcaaac71faabac6ef7c839b29f20204bea" ], "author": { "name": "Martin K. Petersen", "email": "martin.petersen@oracle.com", "time": "Sat Oct 03 20:52:01 2009 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Sat Oct 03 20:52:01 2009 +0200" }, "message": "block: Topology ioctls\n\nNot all users of the topology information want to use libblkid. Provide\nthe topology information through bdev ioctls.\n\nAlso clarify sector size comments for existing BLK ioctls.\n\nSigned-off-by: Martin K. Petersen \u003cmartin.petersen@oracle.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "828c09509b9695271bcbdc53e9fc9a6a737148d2", "tree": "072ffad6f02db7bf4095e07e2b90247cfa042998", "parents": [ "1c4115e595dec42aa0e81ba47ef46e35b34ed428" ], "author": { "name": "Alexey Dobriyan", "email": "adobriyan@gmail.com", "time": "Thu Oct 01 15:43:56 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Oct 01 16:11:11 2009 -0700" }, "message": "const: constify remaining file_operations\n\n[akpm@linux-foundation.org: fix KVM]\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nAcked-by: Mike Frysinger \u003cvapier@gentoo.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6c5daf012c9155aafd2c7973e4278766c30dfad0", "tree": "33959d7b36d03e1610615641a2940cb2de5e8603", "parents": [ "6d39b27f0ac7e805ae3bd9efa51d7da04bec0360", "c08d3b0e33edce28e9cfa7b64f7fe5bdeeb29248" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Sep 24 08:32:11 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Sep 24 08:32:11 2009 -0700" }, "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 truncate: use new helpers\n truncate: new helpers\n fs: fix overflow in sys_mount() for in-kernel calls\n fs: Make unload_nls() NULL pointer safe\n freeze_bdev: grab active reference to frozen superblocks\n freeze_bdev: kill bd_mount_sem\n exofs: remove BKL from super operations\n fs/romfs: correct error-handling code\n vfs: seq_file: add helpers for data filling\n vfs: remove redundant position check in do_sendfile\n vfs: change sb-\u003es_maxbytes to a loff_t\n vfs: explicitly cast s_maxbytes in fiemap_check_ranges\n libfs: return error code on failed attr set\n seq_file: return a negative error code when seq_path_root() fails.\n vfs: optimize touch_time() too\n vfs: optimization for touch_atime()\n vfs: split generic_forget_inode() so that hugetlbfs does not have to copy it\n fs/inode.c: add dev-id and inode number for debugging in init_special_inode()\n libfs: make simple_read_from_buffer conventional\n" }, { "commit": "db16826367fefcb0ddb93d76b66adc52eb4e6339", "tree": "626224c1eb1eb79c522714591f208b4fdbdcd9d4", "parents": [ "cd6045138ed1bb5d8773e940d51c34318eef3ef2", "465fdd97cbe16ef8727221857e96ef62dd352017" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Sep 24 07:53:22 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Sep 24 07:53:22 2009 -0700" }, "message": "Merge branch \u0027hwpoison\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6\n\n* \u0027hwpoison\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: (21 commits)\n HWPOISON: Enable error_remove_page on btrfs\n HWPOISON: Add simple debugfs interface to inject hwpoison on arbitary PFNs\n HWPOISON: Add madvise() based injector for hardware poisoned pages v4\n HWPOISON: Enable error_remove_page for NFS\n HWPOISON: Enable .remove_error_page for migration aware file systems\n HWPOISON: The high level memory error handler in the VM v7\n HWPOISON: Add PR_MCE_KILL prctl to control early kill behaviour per process\n HWPOISON: shmem: call set_page_dirty() with locked page\n HWPOISON: Define a new error_remove_page address space op for async truncation\n HWPOISON: Add invalidate_inode_page\n HWPOISON: Refactor truncate to allow direct truncating of page v2\n HWPOISON: check and isolate corrupted free pages v2\n HWPOISON: Handle hardware poisoned pages in try_to_unmap\n HWPOISON: Use bitmask/action code for try_to_unmap behaviour\n HWPOISON: x86: Add VM_FAULT_HWPOISON handling to x86 page fault handler v2\n HWPOISON: Add poison check to page fault handling\n HWPOISON: Add basic support for poisoned pages in fault handler v3\n HWPOISON: Add new SIGBUS error codes for hardware poison signals\n HWPOISON: Add support for poison swap entries v2\n HWPOISON: Export some rmap vma locking to outside world\n ...\n" }, { "commit": "8d65af789f3e2cf4cfbdbf71a0f7a61ebcd41d38", "tree": "121df3bfffc7853ac6d2c514ad514d4a748a0933", "parents": [ "c0d0787b6d47d9f4d5e8bd321921104e854a9135" ], "author": { "name": "Alexey Dobriyan", "email": "adobriyan@gmail.com", "time": "Wed Sep 23 15:57:19 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Sep 24 07:21:04 2009 -0700" }, "message": "sysctl: remove \"struct file *\" argument of -\u003eproc_handler\n\nIt\u0027s unused.\n\nIt isn\u0027t needed -- read or write flag is already passed and sysctl\nshouldn\u0027t care about the rest.\n\nIt _was_ used in two places at arch/frv for some reason.\n\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Ralf Baechle \u003cralf@linux-mips.org\u003e\nCc: Martin Schwidefsky \u003cschwidefsky@de.ibm.com\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nCc: James Morris \u003cjmorris@namei.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" } ], "next": "25d9e2d15286281ec834b829a4aaf8969011f1cd" }