)]}' { "log": [ { "commit": "1b430beee5e388605dfb092b214ef0320f752cf6", "tree": "c1b1ece282aab771fd1386a3fe0c6e82cb5c5bfe", "parents": [ "d19d5476f4b9f91d2de92b91588bb118beba6c0d" ], "author": { "name": "Wu Fengguang", "email": "fengguang.wu@intel.com", "time": "Tue Oct 26 14:21:26 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Oct 26 16:52:05 2010 -0700" }, "message": "writeback: remove nonblocking/encountered_congestion references\n\nThis removes more dead code that was somehow missed by commit 0d99519efef\n(writeback: remove unused nonblocking and congestion checks). There are\nno behavior change except for the removal of two entries from one of the\next4 tracing interface.\n\nThe nonblocking checks in -\u003ewritepages are no longer used because the\nflusher now prefer to block on get_request_wait() than to skip inodes on\nIO congestion. The latter will lead to more seeky IO.\n\nThe nonblocking checks in -\u003ewritepage are no longer used because it\u0027s\nredundant with the WB_SYNC_NONE check.\n\nWe no long set -\u003enonblocking in VM page out and page migration, because\na) it\u0027s effectively redundant with WB_SYNC_NONE in current code\nb) it\u0027s old semantic of \"Don\u0027t get stuck on request queues\" is mis-behavior:\n that would skip some dirty inodes on congestion and page out others, which\n is unfair in terms of LRU age.\n\nInspired by Christoph Hellwig. Thanks!\n\nSigned-off-by: Wu Fengguang \u003cfengguang.wu@intel.com\u003e\nCc: Theodore Ts\u0027o \u003ctytso@mit.edu\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nCc: Sage Weil \u003csage@newdream.net\u003e\nCc: Steve French \u003csfrench@samba.org\u003e\nCc: Chris Mason \u003cchris.mason@oracle.com\u003e\nCc: Jens Axboe \u003caxboe@kernel.dk\u003e\nCc: Christoph Hellwig \u003chch@infradead.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "9c3a8ee8a1d72c5c0d7fbdf426d80e270ddfa54c", "tree": "fa131760a61f66afeede852622ede0d716965489", "parents": [ "06d738fa9155ff16dba3d7e501ba4581d01a98cb" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Thu Jun 10 12:07:27 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Tue Jul 06 08:54:03 2010 +0200" }, "message": "writeback: remove writeback_inodes_wbc\n\nThis was just an odd wrapper around writeback_inodes_wb. Removing this\nalso allows to get rid of the bdi member of struct writeback_control\nwhich was rather out of place there.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\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": "26821ed40b4230259e770c9911180f38fcaa6f59", "tree": "40cd0fed705ec59dd3c909b96452bae1fc532796", "parents": [ "64ba9926759792cf7b95f823402e2781edd1b5d4" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Fri Mar 05 09:21:21 2010 +0100" }, "committer": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Mar 05 13:25:10 2010 -0500" }, "message": "make sure data is on disk before calling -\u003ewrite_inode\n\nSimilar to the fsync issue fixed a while ago in commit\n2daea67e966dc0c42067ebea015ddac6834cef88 we need to write for data to\nactually hit the disk before writing out the metadata to guarantee\ndata integrity for filesystems that modify the inode in the data I/O\ncompletion path. Currently XFS and NFS handle this manually, and AFS\nhas a write_inode method that does nothing but waiting for data, while\nothers are possibly missing out on this.\n\nFortunately this change has a lot less impact than the fsync change\nas none of the write_inode methods starts data writeout of any form\nby itself.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n" }, { "commit": "027cf316afff03d310281709314fbc0899984759", "tree": "48e28adeb9f4690b7db70fdc3ce97bddb0f35a42", "parents": [ "94004ed726f38a841cc51f97c4a3f9eda9fbd0d9" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed Sep 30 22:16:51 2009 +0200" }, "committer": { "name": "Jan Kara", "email": "jack@suse.cz", "time": "Thu Dec 10 15:02:50 2009 +0100" }, "message": "afs: remove manual O_SYNC handling\n\ngeneric_file_aio_write already calls into -\u003efsync to handle O_SYNC/O_DSYNC.\nRemove the duplicate manual invocation.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n" }, { "commit": "6b2f3d1f769be5779b479c37800229d9a4809fc3", "tree": "046ef6736ec6c25ab1c68741ba715d13645af336", "parents": [ "59bc055211b8d266ab6089158058bf8268e02006" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Tue Oct 27 11:05:28 2009 +0100" }, "committer": { "name": "Jan Kara", "email": "jack@suse.cz", "time": "Thu Dec 10 15:02:50 2009 +0100" }, "message": "vfs: Implement proper O_SYNC semantics\n\nWhile Linux provided an O_SYNC flag basically since day 1, it took until\nLinux 2.4.0-test12pre2 to actually get it implemented for filesystems,\nsince that day we had generic_osync_around with only minor changes and the\ngreat \"For now, when the user asks for O_SYNC, we\u0027ll actually give\nO_DSYNC\" comment. This patch intends to actually give us real O_SYNC\nsemantics in addition to the O_DSYNC semantics. After Jan\u0027s O_SYNC\npatches which are required before this patch it\u0027s actually surprisingly\nsimple, we just need to figure out when to set the datasync flag to\nvfs_fsync_range and when not.\n\nThis patch renames the existing O_SYNC flag to O_DSYNC while keeping it\u0027s\nnumerical value to keep binary compatibility, and adds a new real O_SYNC\nflag. To guarantee backwards compatiblity it is defined as expanding to\nboth the O_DSYNC and the new additional binary flag (__O_SYNC) to make\nsure we are backwards-compatible when compiled against the new headers.\n\nThis also means that all places that don\u0027t care about the differences can\njust check O_DSYNC and get the right behaviour for O_SYNC, too - only\nplaces that actuall care need to check __O_SYNC in addition. Drivers and\nnetwork filesystems have been updated in a fail safe way to always do the\nfull sync magic if O_DSYNC is set. The few places setting O_SYNC for\nlower layers are kept that way for now to stay failsafe.\n\nWe enforce that O_DSYNC is set when __O_SYNC is set early in the open path\nto make sure we always get these sane options.\n\nNote that parisc really screwed up their headers as they already define a\nO_DSYNC that has always been a no-op. We try to repair it by using it for\nthe new O_DSYNC and redefinining O_SYNC to send both the traditional\nO_SYNC numerical value _and_ the O_DSYNC one.\n\nCc: Richard Henderson \u003crth@twiddle.net\u003e\nCc: Ivan Kokshaysky \u003cink@jurassic.park.msu.ru\u003e\nCc: Grant Grundler \u003cgrundler@parisc-linux.org\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nCc: Ingo Molnar \u003cmingo@elte.hu\u003e\nCc: \"H. Peter Anvin\" \u003chpa@zytor.com\u003e\nCc: Thomas Gleixner \u003ctglx@linutronix.de\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nCc: Andreas Dilger \u003cadilger@sun.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Kyle McMartin \u003ckyle@mcmartin.ca\u003e\nAcked-by: Ulrich Drepper \u003cdrepper@redhat.com\u003e\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n" }, { "commit": "1fe06ad89255c211fe100d7f690d10b161398df8", "tree": "826d32bf081a6729aeaa08fe42422e49a9b86f6f", "parents": [ "2c96ce9f2084c1e04d02883e622f74a537a63aea" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Sep 15 15:10:20 2009 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Sep 16 15:16:18 2009 +0200" }, "message": "writeback: get rid of wbc-\u003efor_writepages\n\nIt\u0027s only set, it\u0027s never checked. Kill it.\n\nAcked-by: Jan Kara \u003cjack@suse.cz\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "9b3f26c9110dcea62716aca9b8c68ceb482227ef", "tree": "f11fc0b125d6bc2149e99cb269073320ff50dba9", "parents": [ "9ae326a69004dea8af2dae4fde58de27db700a8d" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Apr 03 16:42:41 2009 +0100" }, "committer": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Apr 03 16:42:41 2009 +0100" }, "message": "FS-Cache: Make kAFS use FS-Cache\n\nThe attached patch makes the kAFS filesystem in fs/afs/ use FS-Cache, and\nthrough it any attached caches. The kAFS filesystem will use caching\nautomatically if it\u0027s available.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n" }, { "commit": "54566b2c1594c2326a645a3551f9d989f7ba3c5e", "tree": "b373f3283fe5e197d0df29cd6b645c35adf1076c", "parents": [ "e687d691cb3790d25e31c74f5941fd7c565e9df5" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sun Jan 04 12:00:53 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Jan 04 13:33:20 2009 -0800" }, "message": "fs: symlink write_begin allocation context fix\n\nWith the write_begin/write_end aops, page_symlink was broken because it\ncould no longer pass a GFP_NOFS type mask into the point where the\nallocations happened. They are done in write_begin, which would always\nassume that the filesystem can be entered from reclaim. This bug could\ncause filesystem deadlocks.\n\nThe funny thing with having a gfp_t mask there is that it doesn\u0027t really\nallow the caller to arbitrarily tinker with the context in which it can be\ncalled. It couldn\u0027t ever be GFP_ATOMIC, for example, because it needs to\ntake the page lock. The only thing any callers care about is __GFP_FS\nanyway, so turn that into a single flag.\n\nAdd a new flag for write_begin, AOP_FLAG_NOFS. Filesystems can now act on\nthis flag in their write_begin function. Change __grab_cache_page to\naccept a nofs argument as well, to honour that flag (while we\u0027re there,\nchange the name to grab_cache_page_write_begin which is more instructive\nand does away with random leading underscores).\n\nThis is really a more flexible way to go in the end anyway -- if a\nfilesystem happens to want any extra allocations aside from the pagecache\nones in ints write_begin function, it may now use GFP_KERNEL (rather than\nGFP_NOFS) for common case allocations (eg. ocfs2_alloc_write_ctxt, for a\nrandom example).\n\n[kosaki.motohiro@jp.fujitsu.com: fix ubifs]\n[kosaki.motohiro@jp.fujitsu.com: fix fuse]\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nReviewed-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: \u003cstable@kernel.org\u003e\t\t[2.6.28.x]\nSigned-off-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\n[ Cleaned up the calling convention: just pass in the AOP flags\n untouched to the grab_cache_page_write_begin() function. That\n just simplifies everybody, and may even allow future expansion of the\n logic. - Linus ]\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "15b4650e55e06d2cc05115767551cd3ace875431", "tree": "5542e01b8651140b707b6b9ebe81acb6e6ca41b3", "parents": [ "8360e81b5dd23c153301f08937a68fd67d9b46c0" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Wed Oct 15 22:04:32 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Oct 16 11:21:48 2008 -0700" }, "message": "afs: convert to new aops\n\nCannot assume writes will fully complete, so this conversion goes the easy\nway and always brings the page uptodate before the write.\n\n[dhowells@redhat.com: style tweaks]\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nAcked-by: David Howells \u003cdhowells@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": "529ae9aaa08378cfe2a4350bded76f32cc8ff0ce", "tree": "d3ae998f9876c72a83a022805103a92111852b21", "parents": [ "e9ba9698187ddbc0c5bfcf41de0349a662d23d02" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sat Aug 02 12:01:03 2008 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Aug 04 21:31:34 2008 -0700" }, "message": "mm: rename page trylock\n\nConverting page lock to new locking bitops requires a change of page flag\noperation naming, so we might as well convert it to something nicer\n(!TestSetPageLocked_Lock \u003d\u003e trylock_page, SetPageLocked \u003d\u003e set_page_locked).\n\nThis also facilitates lockdeping of page lock.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nAcked-by: Peter Zijlstra \u003cpeterz@infradead.org\u003e\nAcked-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nAcked-by: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "4af3c9cc4fad54c3627e9afebf905aafde5690ed", "tree": "655364e458b8734a86c632316f4b5a1518529c60", "parents": [ "1a614f505193fcfc1b298643268a5db5b48e297f" ], "author": { "name": "Alexey Dobriyan", "email": "adobriyan@gmail.com", "time": "Tue Oct 16 23:29:23 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed Oct 17 08:42:55 2007 -0700" }, "message": "Drop some headers from mm.h\n\nmm.h doesn\u0027t use directly anything from mutex.h and backing-dev.h, so\nremove them and add them back to files which need them.\n\nCross-compile tested on many configs and archs.\n\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "c1206a2c6d87def4af5379e6fef64e928d882ab2", "tree": "388c36ab43b2f9d2cf463871866b0fa97aa4154b", "parents": [ "a4d63e729edad704af95e5f2a56e8c8eaaa5216b" ], "author": { "name": "Adrian Bunk", "email": "bunk@stusta.de", "time": "Tue Oct 16 23:26:41 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed Oct 17 08:42:50 2007 -0700" }, "message": "fs/afs/: possible cleanups\n\nThis patch contains the following possible cleanups:\n- make the following needlessly global functions static:\n - rxrpc.c: afs_send_pages()\n - vlocation.c: afs_vlocation_queue_for_updates()\n - write.c: afs_writepages_region()\n- make the following needlessly global variables static:\n - mntpt.c: afs_mntpt_expiry_timeout\n - proc.c: afs_vlocation_states[]\n - server.c: afs_server_timeout\n - vlocation.c: afs_vlocation_timeout\n - vlocation.c: afs_vlocation_update_timeout\n- #if 0 the following unused function:\n - cell.c: afs_get_cell_maybe()\n- #if 0 the following unused variables:\n - callback.c: afs_vnode_update_timeout\n - cmservice.c: struct afs_cm_workqueue\n\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\nAcked-by: David Howells \u003cdhowells@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": "bb33ed6345d6156484f39089aa8b52f44ce76609", "tree": "c27f2b0f62efceca5ab2289b524e688ec1c9d0f0", "parents": [ "1800782016fda6fbc9990a0227fec581070f23af" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Tue May 15 23:57:04 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 16 21:19:15 2007 -0700" }, "message": "AFS: Fix afs_prepare_write()\n\nafs_prepare_write() should not mark a page up to date if it only partially\nfills it in, in expectation of the caller filling in the rest prior to calling\ncommit_write(). commit_write(), however, should mark the page up to date.\n\nSigned-off-by: David Howells \u003cdhowells@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": "9d577b6a31a53a19d3b0fe414d645a61ef201846", "tree": "3e2523ac386e16eb0b125f3933b9ebfbd03aed65", "parents": [ "9393e1dc8e394bd59217178b26b2476dc43e8667" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu May 10 22:22:19 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri May 11 08:29:32 2007 -0700" }, "message": "AFS: fix interminable loop in afs_write_back_from_locked_page()\n\nFollowing bug was uncovered by compiling with \u0027-W\u0027 flag:\n\n CC [M] fs/afs/write.o\nfs/afs/write.c: In function ‘afs_write_back_from_locked_page’:\nfs/afs/write.c:398: warning: comparison of unsigned expression \u003e\u003d 0 is always true\n\nLoop variable \u0027n\u0027 is unsigned, so wraps around happily as far as I can\nsee. Trival fix attached (compile tested only).\n\nSigned-off-by: Mika Kukkonen \u003cmikukkon@iki.fi\u003e\nSigned-off-by: David Howells \u003cdhowells@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": "5bbf5d39f88af9e8173f7331a3741a8b3ff16a1c", "tree": "8bd516e07d2cb8b7578d9783ca45d0a23290dc23", "parents": [ "b9b1f8d5930a813879278d0cbfc8c658d6a038dc" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu May 10 03:15:23 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu May 10 09:26:52 2007 -0700" }, "message": "AFS: further write support fixes\n\nFurther fixes for AFS write support:\n\n (1) The afs_send_pages() outer loop must do an extra iteration if it ends\n with \u0027first \u003d\u003d last\u0027 because \u0027last\u0027 is inclusive in the page set\n otherwise it fails to send the last page and complete the RxRPC op under\n some circumstances.\n\n (2) Similarly, the outer loop in afs_pages_written_back() must also do an\n extra iteration if it ends with \u0027first \u003d\u003d last\u0027, otherwise it fails to\n clear PG_writeback on the last page under some circumstances.\n\nSigned-off-by: David Howells \u003cdhowells@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": "b9b1f8d5930a813879278d0cbfc8c658d6a038dc", "tree": "1879e0e70ce946e3519a205698f4dd1b34a3a7ea", "parents": [ "218e180e7ea5334e1f94121940ba82cd1f0f4e58" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu May 10 03:15:21 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu May 10 09:26:52 2007 -0700" }, "message": "AFS: write support fixes\n\nAFS write support fixes:\n\n (1) Support large files using the 64-bit file access operations if available\n on the server.\n\n (2) Use kmap_atomic() rather than kmap() in afs_prepare_page().\n\n (3) Don\u0027t do stuff in afs_writepage() that\u0027s done by the caller.\n\n[akpm@linux-foundation.org: fix right shift count \u003e\u003d width of type]\nSigned-off-by: David Howells \u003cdhowells@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": "31143d5d515ece617ffccb7df5ff75e4d1dfa120", "tree": "db28c26930f6a26db3e85da90f6668061425463a", "parents": [ "416351f28d2b31d15ff73e9aff699b2163704c95" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Wed May 09 02:33:46 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed May 09 12:30:50 2007 -0700" }, "message": "AFS: implement basic file write support\n\nImplement support for writing to regular AFS files, including:\n\n (1) write\n\n (2) truncate\n\n (3) fsync, fdatasync\n\n (4) chmod, chown, chgrp, utime.\n\nAFS writeback attempts to batch writes into as chunks as large as it can manage\nup to the point that it writes back 65535 pages in one chunk or it meets a\nlocked page.\n\nFurthermore, if a page has been written to using a particular key, then should\nanother write to that page use some other key, the first write will be flushed\nbefore the second is allowed to take place. If the first write fails due to a\nsecurity error, then the page will be scrapped and reread before the second\nwrite takes place.\n\nIf a page is dirty and the callback on it is broken by the server, then the\ndirty data is not discarded (same behaviour as NFS).\n\nShared-writable mappings are not supported by this patch.\n\n[akpm@linux-foundation.org: fix a bunch of warnings]\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" } ] }