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* SL*B: drop kmem cache argument from constructorAlexey Dobriyan2008-07-26
| | | | | | | | | | | | | | | | | | | | | | | | Kmem cache passed to constructor is only needed for constructors that are themselves multiplexeres. Nobody uses this "feature", nor does anybody uses passed kmem cache in non-trivial way, so pass only pointer to object. Non-trivial places are: arch/powerpc/mm/init_64.c arch/powerpc/mm/hugetlbpage.c This is flag day, yes. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Christoph Lameter <cl@linux-foundation.org> Cc: Jon Tollefson <kniht@linux.vnet.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Matt Mackall <mpm@selenic.com> [akpm@linux-foundation.org: fix arch/powerpc/mm/hugetlbpage.c] [akpm@linux-foundation.org: fix mm/slab.c] [akpm@linux-foundation.org: fix ubifs] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix reference counting race on log buffersDave Chinner2008-07-11
| | | | | | | | | | | | | | | | | | | | When we release the iclog, we do an atomic_dec_and_lock to determine if we are the last reference and need to trigger update of log headers and writeout. However, in xlog_state_get_iclog_space() we also need to check if we have the last reference count there. If we do, we release the log buffer, otherwise we decrement the reference count. But the compare and decrement in xlog_state_get_iclog_space() is not atomic, so both places can see a reference count of 2 and neither will release the iclog. That leads to a filesystem hang. Close the race by replacing the atomic_read() and atomic_dec() pair with atomic_add_unless() to ensure that they are executed atomically. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Tim Shimmin <tes@sgi.com> Tested-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [XFS] Fix memory corruption with small buffer readsChristoph Hellwig2008-05-23
| | | | | | | | | | | | | | | | | | | | | When we have multiple buffers in a single page for a blocksize == pagesize filesystem we might overwrite the page contents if two callers hit it shortly after each other. To prevent that we need to keep the page locked until I/O is completed and the page marked uptodate. Thanks to Eric Sandeen for triaging this bug and finding a reproducible testcase and Dave Chinner for additional advice. This should fix kernel.org bz #10421. Tested-by: Eric Sandeen <sandeen@sandeen.net> SGI-PV: 981813 SGI-Modid: xfs-linux-melb:xfs-kern:31173a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix inode list allocation size in writeback.David Chinner2008-05-23
| | | | | | | | | | | | | | We only need to allocate space for the number of inodes in the cluster when writing back inodes, not every byte in the inode cluster. This reduces the amount of memory needing to be allocated to 256 bytes instead of 64k. SGI-PV: 981949 SGI-Modid: xfs-linux-melb:xfs-kern:31182a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Don't allow memory reclaim to wait on the filesystem in inodeDavid Chinner2008-05-23
| | | | | | | | | | | | | | | | | writeback If we allow memory reclaim to wait on the pages under writeback in inode cluster writeback we could deadlock because we are currently holding the ILOCK on the initial writeback inode which is needed in data I/O completion to change the file size or do unwritten extent conversion before the pages are taken out of writeback state. SGI-PV: 981091 SGI-Modid: xfs-linux-melb:xfs-kern:31015a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix fsync() b0rkage.David Chinner2008-05-23
| | | | | | | | | | | | | | | | | | | | | xfs_fsync() fails to wait for data I/O completion before checking if the inode is dirty or clean to decide whether to log the inode or not. This misses inode size updates when the data flushed by the fsync() is extending the file. Hence, like fdatasync(), we need to wait for I/o completion first, then check the inode for cleanliness. Doing so makes the behaviour of xfs_fsync() identical for fsync and fdatasync and we *always* use synchronous semantics if the inode is dirty. Therefore also kill the differences and remove the unused flags from the xfs_fsync function and callers. SGI-PV: 981296 SGI-Modid: xfs-linux-melb:xfs-kern:31033a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Include linux/random.h in all builds, not just debug builds.David Chinner2008-04-30
| | | | | | | | SGI-PV: 979416 SGI-Modid: xfs-linux-melb:xfs-kern:31008a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix build failure after enabling CONFIG_XFS_DEBUGStephen Rothwell2008-04-29
| | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] remove dmapi cruft in xfs_file.cChristoph Hellwig2008-04-29
| | | | | | | | | The dmapi cruft in xfs_file.c is totally out of date in mainline vs CVS, and at this point just removing this code which can't be used on mainline at all seems to be the best option to keep it maintainable. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] remove sendfile leftoversChristoph Hellwig2008-04-29
| | | | | | | | Remove the last sendfile leftovers in mainline. This code is already gone in CVS. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] allow enabling CONFIG_XFS_DEBUGChristoph Hellwig2008-04-29
| | | | | | | | | | | | | Back when I first submitted XFS for mainline inclusion we made the decision that the debug code is far to extensive to be accidentally enabled by users in mainline. But then again it's often quite useful to track problems down and hacking the makefile all the time is rather annoying. Given all the debug options with even more overhead like lockdep or DEBUG_PAGE_ALLOC users (or rather developers) should know by now what they're doing. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Don't initialise new inode generation numbers to zeroDavid Chinner2008-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | When we allocation new inode chunks, we initialise the generation numbers to zero. This works fine until we delete a chunk and then reallocate it, resulting in the same inode numbers but with a reset generation count. This can result in inode/generation pairs of different inodes occurring relatively close together. Given that the inode/gen pair makes up the "unique" portion of an NFS filehandle on XFS, this can result in file handles cached on clients being seen on the wire from the server but refer to a different file. This causes .... issues for NFS clients. Hence we need a unique generation number initialisation for each inode to prevent reuse of a small portion of the generation number space. Use a random number to initialise the generation number so we don't need to keep any new state on disk whilst making the new number difficult to guess from previous allocations. SGI-PV: 979416 SGI-Modid: xfs-linux-melb:xfs-kern:31001a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix check for block zero access in xfs_write_iomap_allocate()David Chinner2008-04-29
| | | | | | | | | | | | The check for block zero access should be done on non-realtime inodes. Fix the logic error in xfs_write_iomap_allocate(), and simplify the logic on all checks for block zero access in xfs_iomap.c SGI-PV: 980888 SGI-Modid: xfs-linux-melb:xfs-kern:30998a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Don't double count reserved block changes on UP.David Chinner2008-04-29
| | | | | | | | | | | | | | | On uniprocessor machines, the incore superblock is used for all in memory accounting of free blocks. in this situation, changes to the reserved block count are accounted twice; once directly and once via xfs_mod_incore_sb(). Seeing as the modification on SMP is done via xfs_mod_incore_sb(), make this the only update mechanism that UP uses as well. SGI-PV: 980654 SGI-Modid: xfs-linux-melb:xfs-kern:30997a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] remove xfs_log_ticket_zone on rmmodAlexey Dobriyan2008-04-29
| | | | | | | | | | | | Fix bug introduced in commit eb01c9cd87c7a9998c2edf209721ea069e3e3652 aka "[XFS] Remove the xlog_ticket allocator" SGI-PV: 980887 SGI-Modid: xfs-linux-melb:xfs-kern:30995a Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] fix non-smp xfs buildEric Sandeen2008-04-29
| | | | | | | | | | | xfs_reserve_blocks() calls xfs_icsb_sync_counters_locked(), which is not defined if !CONFIG_SMP/!HAVE_PERCPU_SB SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30991a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix broken HAVE_SPLICE removal commit.Donald Douwsma2008-04-29
| | | | | | | | | | | | | Commit e687330b5ed1ea899fdaf0dea50aba196b6e019a was meant to remove the unused HAVE_SPLICE macro, instead an unrelated change was checked enabling QUOTADEBUG when building DEBUG XFS. Restore the intended changes. SGI-PV: 971046 SGI-Modid: xfs-linux-melb:xfs-kern:30924a Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] kill XFS_ICSB_SB_LOCKEDChristoph Hellwig2008-04-29
| | | | | | | | | | | | With the last two patches XFS_ICSB_SB_LOCKED is never checked and only superflously passed to xfs_icsb_count, so kill it. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30920a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] split xfs_icsb_balance_counterChristoph Hellwig2008-04-29
| | | | | | | | | | | | Add an xfs_icsb_balance_counter_locked for the case where mp->m_sb_lock is already locked. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30918a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Add xfs_icsb_sync_counters_locked for when m_sb_lock already heldChristoph Hellwig2008-04-29
| | | | | | | | | | | | | Add a new xfs_icsb_sync_counters_locked for the case where m_sb_lock is already taken and add a flags argument to xfs_icsb_sync_counters so that xfs_icsb_sync_counters_flags is not needed. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30917a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Cleanup xfs_attr a bit with xfs_name and remove credBarry Naujok2008-04-29
| | | | | | | | | SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30913a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] kill usesless IHOLD calls in xfs_remove and xfs_rmdirChristoph Hellwig2008-04-29
| | | | | | | | | | | | | The VFS always has an inode reference when we call these functions. So we only need to grab a signle reference to each inode that's joined to a transaction - all the other bumping and dropping is as useless as the comments describing the IRIX semantics. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30912a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] kill parent == child checks in xfs_remove and xfs_rmdirChristoph Hellwig2008-04-29
| | | | | | | | | | VFS guaranteed these can't happen. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30911a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] kill usesless IHOLD calls in xfs_renameChristoph Hellwig2008-04-29
| | | | | | | | | | | | | | | | | Similar to to the previous patch for remove and rmdir only grab a reference to inodes when we join them to transaction to balance the decrement on transaction completion. Everything else it taken care of by the VFS. Note that the old case had leaks of inode count when src == target or src or target == one of the parent inodes, but these cases are fortunately already rejected by the VFS. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30904a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] remove manual lookup from xfs_rename and simplify lockingChristoph Hellwig2008-04-29
| | | | | | | | | | | | | | | | | | ->rename already gets the target inode passed if it exits. Pass it down to xfs_rename so that we can avoid looking it up again. Also simplify locking as the first lock section in xfs_rename can go away now: the isdir is an invariant over the lifetime of the inode, and new_parent and the nlink check are namespace topology protected by i_mutex in the VFS. The projid check needs to move into the second lock section anyway to not be racy. Also kill the now unused xfs_dir_lookup_int and remove the now-unused first_locked argumet to xfs_lock_inodes. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30903a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] shrink mrlock_tChristoph Hellwig2008-04-29
| | | | | | | | | | | | | | | The writer field is not needed for non_DEBU builds so remove it. While we're at i also clean up the interface for is locked asserts to go through and xfs_iget.c helper with an interface like the xfs_ilock routines to isolated the XFS codebase from mrlock internals. That way we can kill mrlock_t entirely once rw_semaphores grow an islocked facility. Also remove unused flags to the ilock family of functions. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30902a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] simplify xfs_lookupChristoph Hellwig2008-04-29
| | | | | | | | | | | | Opencode xfs-kill-xfs_dir_lookup_int here, which gets rid of a lock roundtrip, and lots of stack space. Also kill the di_mode == 0 check that has been done in xfs_iget for a few years now. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30901a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] xfs_rename: pass resblks to xfs_dir_removenameChristoph Hellwig2008-04-29
| | | | | | | | | | | Similar to rmdir and remove - avoids a potential transaction reservation overrun. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30900a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] kill di_mode checks after xfs_igetChristoph Hellwig2008-04-29
| | | | | | | | | | | | | | Unless XFS_IGET_CREATE is passed xfs_iget will return ENOENT if it encounters an inode with di_mode == 0. Remove the duplicated checks in the callers. (the log recovery case is not touched for now) SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30898a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] kill xfs_getattrChristoph Hellwig2008-04-29
| | | | | | | | | | | It's currently used by the ACL code to read di_mode/di_uid, but these are simple 32bit scalar values we can just read directly without locking. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30897a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Remove VN_IS* macros and related cruft.Christoph Hellwig2008-04-29
| | | | | | | | | | We can just check i_mode / di_mode directly. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30896a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* Merge branch 'semaphore' of ↵Linus Torvalds2008-04-21
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc * 'semaphore' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc: Deprecate the asm/semaphore.h files in feature-removal-schedule. Convert asm/semaphore.h users to linux/semaphore.h security: Remove unnecessary inclusions of asm/semaphore.h lib: Remove unnecessary inclusions of asm/semaphore.h kernel: Remove unnecessary inclusions of asm/semaphore.h include: Remove unnecessary inclusions of asm/semaphore.h fs: Remove unnecessary inclusions of asm/semaphore.h drivers: Remove unnecessary inclusions of asm/semaphore.h net: Remove unnecessary inclusions of asm/semaphore.h arch: Remove unnecessary inclusions of asm/semaphore.h
| * Convert asm/semaphore.h users to linux/semaphore.hMatthew Wilcox2008-04-18
| | | | | | | | Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
* | [PATCH] r/o bind mounts: elevate count for xfs timestamp updatesDave Hansen2008-04-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Elevate the write count during the xfs m/ctime updates. XFS has to do it's own timestamp updates due to an unfortunate VFS design limitation, so it will have to track writers by itself aswell. [hch: split out from the touch_atime patch as it's not related to it at all] Acked-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | [PATCH] r/o bind mounts: elevate write count for ioctls()Dave Hansen2008-04-19
|/ | | | | | | | | | | | | Some ioctl()s can cause writes to the filesystem. Take these, and make them use mnt_want/drop_write() instead. [AV: updated] Acked-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* [XFS] Fix merge failureLachlan McIlroy2008-04-17
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* [XFS] The forward declarations for the xfs_ioctl() helpers and theLachlan McIlroy2008-04-17
| | | | | | | | | | | | | | | | associated comment about gcc behavior really aren't needed; all of these functions are marked STATIC which includes noinline, and the stack usage won't be a problem. This effectively just removes the forward declarations and moves xfs_ioctl() back to the end of the file. SGI-PV: 971186 SGI-Modid: xfs-linux-melb:xfs-kern:30534a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Remove unused HAVE_SPLICE macro.Donald Douwsma2008-04-17
| | | | | | | | | | | | HAVE_SPLICE was part of the infrastructure for building 2.4 and 2.6 kernels out of the same tree. Now we don't build 2.4 kernels this SGI-PV: 971046 SGI-Modid: xfs-linux-melb:xfs-kern:30878a Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Remove CONFIG_XFS_SECURITY.Eric Sandeen2008-04-17
| | | | | | | | | | | | | | There is no point to the CONFIG_XFS_SECURITY option; it disables the ability to set security attributes at runtime, but it does not actually slim down or remove any code for runtime. Just remove it and always allow security attributes to be set. SGI-PV: 980310 SGI-Modid: xfs-linux-melb:xfs-kern:30877a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] xfs_bmap_compute_maxlevels should be based on di_forkoffTim Shimmin2008-04-17
| | | | | | | | | | | | | | | | Fix up xfs_bmap_compute_maxlevels() to account for the case when we go from using attr2 to using attr1. In that case attr1 will no longer necessarily be at m_attr_offset>>3, but could be at a different value for di_forkoff. Therefore, we return the worst case scenario using MINDBTPTRS and MINABTPTRS, as this function is used for determining the maximum log space. SGI-PV: 979606 SGI-Modid: xfs-linux-melb:xfs-kern:30862a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Always use di_forkoff when checking for attr space.Eric Sandeen2008-04-17
| | | | | | | | | | | | | | | | In the case where we mount a filesystem which was previously using the attr2 format as attr1, returning the default mp->m_attroffset instead of the per-inode di_forkoff for inline attribute fit calculations, may result in corruption, if for example, the data fork is already taking more space than the default fork offset and we try to add an extended attribute. Fix tested by xfstests/186. SGI-PV: 979606 SGI-Modid: xfs-linux-melb:xfs-kern:30861a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Ensure the inode is joined in xfs_itruncate_finishDavid Chinner2008-04-17
| | | | | | | | | | | | On success, we still need to join the inode to the current transaction in xfs_itruncate_finish(). Fixes regression from error handling changes. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30845a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Remove periodic logging of in-core superblock counters.David Chinner2008-04-17
| | | | | | | | | | | | | | | xfssyncd triggers the logging of superblock counters every 30s if the filesystem is made with lazy-count=1. This will prevent disks from idling and spinning down as there will be a log write every 30s. With the way counter recovery works for lazy-count=1, this code is unnecessary and provides no real benefit, so just remove it. SGI-PV: 980145 SGI-Modid: xfs-linux-melb:xfs-kern:30840a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] fix logic error in xfs_alloc_ag_vextent_near()David Chinner2008-04-17
| | | | | | | | | | | | Fix a logic error in xfs_alloc_ag_vextent_near(). This is a regression introduced by the error handling changes. SGI-PV: 890084 SGI-Modid: xfs-linux-melb:xfs-kern:30838a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Don't error out on good I/Os.David Chinner2008-04-17
| | | | | | | | | | | xfsbdstrat() made all I/Os error out, good or bad. Fix it. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30836a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Catch log unmount failures.David Chinner2008-04-17
| | | | | | | | | | | | Unmounting the log can fail. unlikely, but it can. Catch all the error conditions an make sure it's propagated upwards. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30833a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Sanitise xfs_log_force error checking.David Chinner2008-04-17
| | | | | | | | | | | | | | | | | | | | xfs_log_force() is declared to return an error, but we almost never check it. We don't need to check it in most cases; if there's a log I/O error then we'll be shutting down the filesystem anyway and that means we'll catch the error somewhere else. However, on certain calls we should be returning an error - sync transactions, fsync, sync writes, etc. so this isn't a pure black and white distinction. Hence make xfs_log_force() a void function that issues a warning to the syslog on error, and call _xfs_log_force() in all the places where we actually care about the error status returned. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30832a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Check for errors when changing buffer pointers.David Chinner2008-04-17
| | | | | | | | | | | | | xfs_buf_associate_memory() can fail, but the return is never checked. Propagate the error through XFS_BUF_SET_PTR() so that failures are detected. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30831a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Don't allow silent errors in xfs_inactive().David Chinner2008-04-17
| | | | | | | | | | | | | | xfs_inactive() fails to report errors when committing the inactive transaction. Hence we can get silent failures either finishing off the truncation or committing the transaction. Even if we get errors, we need to continue, so simply warn loudly to the system if we get errors here. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30830a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Catch errors from xfs_imap().David Chinner2008-04-17
| | | | | | | | | | | | Catch errors from xfs_imap() in log recovery when we might be trying to map an invalid inode number due to a corrupted log. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30829a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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