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* nilfs2: remove obsolete declarations of cache constructor and destructorRyusuke Konishi2010-05-31
| | | | | | | | | | | The commit 41c88bd7 ("nilfs2: cleanup multi kmem_cache_{create,destroy} code") consolidated slab constructors and destructors used in nilfs, but it left some declarations in header files. This gets rid of the obsolete declarations. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: fix style issue in nilfs_destroy_cachepRyusuke Konishi2010-05-31
| | | | | | | This gets rid of unwanted space chars in front of conditional sentences of nilfs_destroy_cachep(). Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* drop unused dentry argument to ->fsyncChristoph Hellwig2010-05-27
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-05-21
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (69 commits) fix handling of offsets in cris eeprom.c, get rid of fake on-stack files get rid of home-grown mutex in cris eeprom.c switch ecryptfs_write() to struct inode *, kill on-stack fake files switch ecryptfs_get_locked_page() to struct inode * simplify access to ecryptfs inodes in ->readpage() and friends AFS: Don't put struct file on the stack Ban ecryptfs over ecryptfs logfs: replace inode uid,gid,mode initialization with helper function ufs: replace inode uid,gid,mode initialization with helper function udf: replace inode uid,gid,mode init with helper ubifs: replace inode uid,gid,mode initialization with helper function sysv: replace inode uid,gid,mode initialization with helper function reiserfs: replace inode uid,gid,mode initialization with helper function ramfs: replace inode uid,gid,mode initialization with helper function omfs: replace inode uid,gid,mode initialization with helper function bfs: replace inode uid,gid,mode initialization with helper function ocfs2: replace inode uid,gid,mode initialization with helper function nilfs2: replace inode uid,gid,mode initialization with helper function minix: replace inode uid,gid,mode init with helper ext4: replace inode uid,gid,mode init with helper ... Trivial conflict in fs/fs-writeback.c (mark bitfields unsigned)
| * nilfs2: replace inode uid,gid,mode initialization with helper functionDmitry Monakhov2010-05-21
| | | | | | | | | | | | Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Merge branch 'master' into for-2.6.35Jens Axboe2010-05-21
|\| | | | | | | | | | | | | Conflicts: fs/ext3/fsync.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * nilfs2: disallow remount of snapshot from/to a regular mountRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Snapshots and regular ro/rw mounts are essentially-different within the meaning whether the checkpoint is static or not and is marked with a snapshot flag or not. The current implemenation, however, allows to remount a snapshot to a regular rw-mount if the checkpoint number equals the latest one. This transition is actually impossible since changing a checkpoint to a snapshot makes another checkpoint, thus the condition is never satisfied. This fixes the weird state of affairs, and specifically separates snapshots and regular rw/ro-mounts. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: use huge_encode_dev/huge_decode_devRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | This replaces uses of new_encode_dev/new_decode_dev with their 64-bit counterparts, huge_encode_dev/huge_decode_dev respectively. This is just for clarification and has no impact on the disk format. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: update comment on deactivate_super at nilfs_get_sbRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | deactivate_super was replaced with deactivate_locked_super, but the comment of nilfs_get_sb remain unchanged. This renews the comment. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: replace MS_VERBOSE with MS_SILENTRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | MS_VERBOSE is deprecated. This replaces it with MS_SILENT in reference to get_sb_bdev function. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: add missing initialization of s_modeRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | An fmode_t argument is passed to kill_block_super() through s_mode member of the super_block structure. This is used to release the block device with the same mode, however, nilfs does not set s_mode anywhere. This modifies nilfs_get_sb function to properly initialize the s_mode member. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: fix misuse of open_bdev_exclusive/close_bdev_exclusiveRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | The second argument of open_bdev_exclusive/close_bdev_exclusive takes fmode_t flags instead of mount flags. This fixes the misuse. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: use checkpoint number instead of timestamp to select super blockRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nilfs maintains two super blocks, and selects the new one on mount time if they both have valid checksums and their timestamps differ. However, this has potential for mis-selection since the system clock may be rewinded and the resolution of the timestamps is not high. Usually this doesn't become an issue because both super blocks are updated at the same time when the file system is unmounted. Even if the file system wasn't unmounted cleanly, the roll-forward recovery will find the proper log which stores the latest super root. Thus, the issue can appear only if update of one super block fails and the clock happens to be rewinded. This fixes the issue by using checkpoint numbers instead of timestamps to pick the super block storing the location of the latest log. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: add missing endian conversion on super block magic numberRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | This adds missing endian conversions in comparision of the magic number of super blocks. It was coincidence that prior versions didn't incur problems; the upper byte of the magic number happened to be equal to the lower byte. But, semantically it's wrong to depend on this. This won't change anything else nor suffer any compatibility issues. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: make nilfs_sc_*_ops staticRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | | | This kills the following sparse warnings: fs/nilfs2/segment.c:567:28: warning: symbol 'nilfs_sc_file_ops' was not declared. Should it be static? fs/nilfs2/segment.c:617:28: warning: symbol 'nilfs_sc_dat_ops' was not declared. Should it be static? fs/nilfs2/segment.c:625:28: warning: symbol 'nilfs_sc_dsync_ops' was not declared. Should it be static? Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: add kernel doc comments to persistent object allocator functionsRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | The implementation of persistent object allocator (alloc.c) is poorly documented. This adds kernel doc style comments on that functions. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: change sc_timer from a pointer to an embedded one in struct ↵Li Hong2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | nilfs_sc_info In nilfs_segctor_thread(), timer is a local variable allocated on stack. Its address can't be set to sci->sc_timer and passed in several procedures. It works now by chance, just because other procedures are called by nilfs_segctor_thread() directly or indirectly and the stack hasn't been deallocated yet. Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: remove nilfs_segctor_init() in segment.cLi Hong2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | There are only two lines of code in nilfs_segctor_init(). From a logic design view, the first line 'sci->sc_seq_done = sci->sc_seq_request;' should be put in nilfs_segctor_new(). Even in nilfs_segctor_new(), this initialization is needless because sci is kzalloc-ed. So nilfs_segctor_init() is only a wrap call to nilfs_segctor_start_thread(). Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: insert checkpoint number in segment summary headerRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds a field to record the latest checkpoint number in the nilfs_segment_summary structure. This will help to recover the latest checkpoint number from logs on disk. This field is intended for crucial cases in which super blocks have lost pointer to the latest log. Even though this will change the disk format, both backward and forward compatibility is preserved by a size field prepared in the segment summary header. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: add a print message after loading nilfs2Li Hong2010-05-09
| | | | | | | | | | | | | | | | Printing a message after loading a file system is a practice. Add this to provide a better user-friendly experience. Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: cleanup multi kmem_cache_{create,destroy} codeLi Hong2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This cleanup patch gives several improvements: - Moving all kmem_cache_{create_destroy} calls into one place, which removes some small function calls, cleans up error check code and clarify the logic. - Mark all initial code in __init section. - Remove some very obvious comments. - Adjust some declarations. - Fix some space-tab issues. Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: move out checksum routines to segment buffer codeRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | This moves out checksum routines in log writer to segbuf.c for cleanup. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: move pointer to super root block into logsRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | This moves a pointer to buffer storing super root block to each log buffer from nilfs_sc_info struct for simplicity. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: change default of 'errors' mount option to 'remount-ro' modeRyusuke Konishi2010-05-09
| | | | | | | | | | | | | | | | | | | | | | | | Like ext3, nilfs has 'errors' mount option to allow specifying desired behavior on severe errors. Currently, the default action is 'errors=continue' and has potential to advance filesystem corruption for severe errors. This will change the action to 'errors=remount-ro' to avoid the issue. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: Combine nilfs_btree_release_path() and nilfs_btree_free_path()Li Hong2010-05-09
| | | | | | | | | | | | | | | | | | nilfs_btree_release_path() and nilfs_btree_free_path() are bound into each other tightly. Make them into one procedure to clearify the logic and avoid some misusages. Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: Combine nilfs_btree_alloc_path() and nilfs_btree_init_path()Li Hong2010-05-09
| | | | | | | | | | | | | | | | | | nilfs_btree_alloc_path() and nilfs_btree_init_path() are bound into each other tightly. Make them into one procedure to clearify the logic and avoid some misusages. Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: fix sync silent failureRyusuke Konishi2010-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of 32a88aa1, __sync_filesystem() will return 0 if s_bdi is not set. And nilfs does not set s_bdi anywhere. I noticed this problem by the warning introduced by the recent commit 5129a469 ("Catch filesystem lacking s_bdi"). WARNING: at fs/super.c:959 vfs_kern_mount+0xc5/0x14e() Hardware name: PowerEdge 2850 Modules linked in: nilfs2 loop tpm_tis tpm tpm_bios video shpchp pci_hotplug output dcdbas Pid: 3773, comm: mount.nilfs2 Not tainted 2.6.34-rc6-debug #38 Call Trace: [<c1028422>] warn_slowpath_common+0x60/0x90 [<c102845f>] warn_slowpath_null+0xd/0x10 [<c1095936>] vfs_kern_mount+0xc5/0x14e [<c1095a03>] do_kern_mount+0x32/0xbd [<c10a811e>] do_mount+0x671/0x6d0 [<c1073794>] ? __get_free_pages+0x1f/0x21 [<c10a684f>] ? copy_mount_options+0x2b/0xe2 [<c107b634>] ? strndup_user+0x48/0x67 [<c10a81de>] sys_mount+0x61/0x8f [<c100280c>] sysenter_do_call+0x12/0x32 This ensures to set s_bdi for nilfs and fixes the sync silent failure. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | nilfs: fix breakage caused by barrier flag changesStephen Rothwell2010-04-29
|/ | | | | | | | | | | | | | | | | After merging the block tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: fs/nilfs2/the_nilfs.c: In function 'nilfs_discard_segments': fs/nilfs2/the_nilfs.c:673: error: 'DISCARD_FL_BARRIER' undeclared (first use in this function) Caused by commit fbd9b09a177a481eda256447c881f014f29034fe ("blkdev: generalize flags for blkdev_issue_fn functions") interacting with commit e902ec9906e844f4613fa6190c6fa65f162dc86e ("nilfs2: issue discard request after cleaning segments") (which netered Linus' tree on about March 4 - before v2.6.34-rc1). Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-04-12
|\ | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: fix typo "numer" -> "number" in alloc.c nilfs2: Remove an uninitialization warning in nilfs_btree_propagate_v() nilfs2: fix a wrong type conversion in nilfs_ioctl()
| * nilfs2: fix typo "numer" -> "number" in alloc.cRyusuke Konishi2010-04-11
| | | | | | | | | | | | | | Fixes the typo found in a warning message of a persistent object allocator function. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: Remove an uninitialization warning in nilfs_btree_propagate_v()Li Hong2010-04-02
| | | | | | | | | | | | | | | | | | | | | | | | | | `make CONFIG_NILFS2_FS=m M=fs/nilfs2/` will give the following warnings: fs/nilfs2/btree.c: In function 'nilfs_btree_propagate': fs/nilfs2/btree.c:1882: warning: 'maxlevel' may be used uninitialized in this function fs/nilfs2/btree.c:1882: note: 'maxlevel' was declared here Set maxlevel = 0 to fix it. Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: fix a wrong type conversion in nilfs_ioctl()Li Hong2010-03-31
| | | | | | | | | | | | | | (void * __user *) should be (void __user *) Signed-off-by: Li Hong <lihong.hi@gmail.com> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* | include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-30
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* nilfs2: fix imperfect completion wait in nilfs_wait_on_logsRyusuke Konishi2010-03-23
| | | | | | | | | | | | nilfs_wait_on_logs has a potential to slip out before completion of all bio requests when it met an error. This synchronization fault may cause unexpected results, for instance, violative access to freed segment buffers from an end-bio callback routine. This fixes the issue by ensuring that nilfs_wait_on_logs waits all given logs. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: fix hang-up of cleaner after log writer returned with errorRyusuke Konishi2010-03-23
| | | | | | | | | | | | | | | | | | According to the report from Andreas Beckmann (Message-ID: <4BA54677.3090902@abeckmann.de>), nilfs in 2.6.33 kernel got stuck after a disk full error. This turned out to be a regression by log writer updates merged at kernel 2.6.33. nilfs_segctor_abort_construction, which is a cleanup function for erroneous cases, was skipping writeback completion for some logs. This fixes the bug and would resolve the hang issue. Reported-by: Andreas Beckmann <debian@abeckmann.de> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Tested-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: stable <stable@kernel.org> [2.6.33.x]
* nilfs2: fix duplicate call to nilfs_segctor_cancel_freevRyusuke Konishi2010-03-22
| | | | | | | | | | | | | | Andreas Beckmann gave me a report that nilfs logged the following warnings when it got a disk full: nilfs_sufile_do_cancel_free: segment 0 must be clean nilfs_sufile_do_cancel_free: segment 1 must be clean These arise from a duplicate call to nilfs_segctor_cancel_freev in an error path of log writer. This will fix the issue. Reported-by: Andreas Beckmann <debian@abeckmann.de> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: remove whitespaces before quoted newlinesRyusuke Konishi2010-03-13
| | | | | | | | | | | | | | This kills the following checkpatch warnings: WARNING: unnecessary whitespace before a quoted newline #869: FILE: super.c:869: + "remount to a different snapshot. \n", WARNING: unnecessary whitespace before a quoted newline #389: FILE: the_nilfs.c:389: + printk(KERN_ERR "NILFS: too short segment. \n"); Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: remove spaces before tabsRyusuke Konishi2010-03-13
| | | | | | | | | | | | | | This kills the following checkpatch warnings: WARNING: please, no space before tabs #74: FILE: segment.h:74: +^Iunsigned ^I^Iflags;$ WARNING: please, no space before tabs #35: FILE: segbuf.c:35: +^Iint ^I^I^Istart, end; /* The region to be submitted */$ Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: fix various typos in commentsRyusuke Konishi2010-03-13
| | | | | | This fixes various typos I found in comments of nilfs2. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: fix typo "cout" -> "count" in error messageRyusuke Konishi2010-03-13
| | | | Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: fix function name typos in docbook commentsRyusuke Konishi2010-03-13
| | | | | | | | | Fixes the following typos in docbook comments: nilfs_detroy_transaction_cache -> nilfs_destroy_transaction_cache nilfs_secgtor_start_timer -> nilfs_segctor_start_timer Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* nilfs2: fix discrepancy in use of static specifierRyusuke Konishi2010-03-13
| | | | | | | | | | Two segbuf functions, nilfs_segbuf_write and nilfs_segbuf_wait, are declared with the static storage class specifier, but their implementations are not. This fixes the discrepancy. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-03-04
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (52 commits) init: Open /dev/console from rootfs mqueue: fix typo "failues" -> "failures" mqueue: only set error codes if they are really necessary mqueue: simplify do_open() error handling mqueue: apply mathematics distributivity on mq_bytes calculation mqueue: remove unneeded info->messages initialization mqueue: fix mq_open() file descriptor leak on user-space processes fix race in d_splice_alias() set S_DEAD on unlink() and non-directory rename() victims vfs: add NOFOLLOW flag to umount(2) get rid of ->mnt_parent in tomoyo/realpath hppfs can use existing proc_mnt, no need for do_kern_mount() in there Mirror MS_KERNMOUNT in ->mnt_flags get rid of useless vfsmount_lock use in put_mnt_ns() Take vfsmount_lock to fs/internal.h get rid of insanity with namespace roots in tomoyo take check for new events in namespace (guts of mounts_poll()) to namespace.c Don't mess with generic_permission() under ->d_lock in hpfs sanitize const/signedness for udf nilfs: sanitize const/signedness in dealing with ->d_name.name ... Fix up fairly trivial (famous last words...) conflicts in drivers/infiniband/core/uverbs_main.c and security/tomoyo/realpath.c
| * nilfs: sanitize const/signedness in dealing with ->d_name.nameAl Viro2010-03-03
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * nilfs really shouldn't slap struct dentry on stack...Al Viro2010-03-03
| | | | | | | | | | | | ... especially when it only needs (and initializes) .d_name of it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | nilfs2: add reader's lock for cno in nilfs_ioctl_syncJiro SEKIBA2010-02-20
| | | | | | | | | | | | | | | | This adds reader's lock for the_nilfs->cno in nilfs_ioctl_sync, for the_nilfs->cno should be proctected by segctor_sem when reading. Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* | nilfs2: delete unnecessary condition in load_segment_summaryJiro SEKIBA2010-02-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a trivial patch to remove unnecessary condition. load_segment_summary() checks crc of segment_summary OR crc of whole log data blocks based on boolean argument full_check. However, callers of the function pass only 1 as full_check, which means only whole log data blocks checking code is running all the time. This patch deletes the condition and full_check argument and also deletes enum 'NILFS_SEG_FAIL_CHECKSUM_SEGSUM' and corresponding case clause, for it is nolonger used anymore. Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* | nilfs2: move iterator to write log into segment bufferRyusuke Konishi2010-02-12
| | | | | | | | | | | | | | | | This moves iterator to submit write requests for a series of logs into segbuf.c, and hides nilfs_segbuf_write() and nilfs_segbuf_wait() in the file. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* | nilfs2: get rid of s_dirt flag useRyusuke Konishi2010-02-12
| | | | | | | | | | | | | | | | | | | | | | This replaces s_dirt flag use in nilfs with a new flag added on the nilfs object. The s_dirt flag was used to indicate if sop->write_super() should be called, however the current version of nilfs does not use the callback. Thus, it can be replaced with the own flag. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Jiro SEKIBA <jir@unicus.jp>
* | nilfs2: get rid of nilfs_segctor_req structRyusuke Konishi2010-02-12
| | | | | | | | | | | | | | This will clean up nilfs_segctor_req struct and the obscure request argument passed among private methods of segment constructor. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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