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2008-04-18Convert asm/semaphore.h users to linux/semaphore.hMatthew Wilcox
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
2008-04-18[XFS] Fix merge failureLachlan McIlroy
2008-04-18[XFS] The forward declarations for the xfs_ioctl() helpers and theLachlan McIlroy
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>
2008-04-18[XFS] Remove unused HAVE_SPLICE macro.Donald Douwsma
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>
2008-04-18[XFS] Remove CONFIG_XFS_SECURITY.Eric Sandeen
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>
2008-04-18[XFS] xfs_bmap_compute_maxlevels should be based on di_forkoffTim Shimmin
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>
2008-04-18[XFS] Always use di_forkoff when checking for attr space.Eric Sandeen
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>
2008-04-18[XFS] Ensure the inode is joined in xfs_itruncate_finishDavid Chinner
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>
2008-04-18[XFS] Remove periodic logging of in-core superblock counters.David Chinner
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>
2008-04-18[XFS] fix logic error in xfs_alloc_ag_vextent_near()David Chinner
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>
2008-04-18[XFS] Don't error out on good I/Os.David Chinner
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>
2008-04-18[XFS] Catch log unmount failures.David Chinner
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>
2008-04-18[XFS] Sanitise xfs_log_force error checking.David Chinner
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>
2008-04-18[XFS] Check for errors when changing buffer pointers.David Chinner
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>
2008-04-18[XFS] Don't allow silent errors in xfs_inactive().David Chinner
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>
2008-04-18[XFS] Catch errors from xfs_imap().David Chinner
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>
2008-04-18[XFS] xfs_bulkstat_one_dinode() never returns an error.David Chinner
Mark it void. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30828a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] xfs_iflush_fork() never returns an error.David Chinner
xfs_iflush_fork() never returns an error. Mark it void and clean up the code calling it that checks for errors. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30827a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Catch unwritten extent conversion errors.David Chinner
On unwritten I/O completion, we fail to propagate an error when converting the extent to a written extent. This means that the I/O silently fails. propagate the error onto the ioend so that the inode is marked with an error appropriately. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30826a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] xfs_bdwrite() does not return errors.David Chinner
xfs_bdwrite() cannot return an error; it only queues buffers to the delayed write list and as such never encounters anything that can fail. Mark it void. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30825a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Ensure xfs_bawrite() errors are checked.David Chinner
xfs_bawrite() can return immediate error status on async writes. Unlike xfsbdstrat() we don't ever check the error on the buffer after the call, so we currently do not catch errors at all here. Ensure we catch and propagate or warn to the syslog about up-front async write errors. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30824a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Ensure errors from xfs_bdstrat() are correctly checked.David Chinner
xfsbdstrat() is declared to return an error. That is never checked because the error is propagated by the xfs_buf_t that is passed through the function. Mark xfsbdstrat() as returning void and comment the prototype on the methods needed for error checking. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30823a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] remove bhv_vname_t and xfs_rename codeBarry Naujok
SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30804a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Catch errors returned from xfs_bmap_last_offset().David Chinner
xfs_bmap_last_offset() can fail and return an error. xfs_iomap_write_allocate() fails to detect and propagate the error. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30802a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Check for xfs_free_extent() failing.David Chinner
xfs_free_extent() can fail, but log recovery never bothers to check if it successfully free the extent it was supposed to. This could lead to silent corruption during log recovery. Abort log recovery if we fail to free an extent. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30801a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Warn if errors come from block_truncate_page().David Chinner
block_truncate_page() can return errors that we currently ignore and silently discard. We should not ever get errors reported here - an error indicates a bug somewhere else. Hence catch the error and issue a stack dump to the syslog because we cannot propagate the error any further up the call chain. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30800a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] xfs_bmap_adjacent() never returns an error.David Chinner
Mark it void. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30798a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Make xfs_alloc_compute_aligned() void.David Chinner
xfs_alloc_compute_aligned() returns a value based on a comparison of the computed extent length and the minimum length allowed. This is only used by some callers - the other four return parameters are used more often. Hence move the comparison to the code that actually needs to do it and make xfs_alloc_compute_aligned() a void function. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30797a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Clean up xfs_alloc_search_busy() return values.David Chinner
xfs_alloc_search_busy() returns an index into the busy array if the extent was found in the array. This is never checked, and the xfs_alloc_search_busy() does a log force to prevent reuse of the extent before the free transaction hits the disk. Hence the return value is useless. Declare the function void and remove the slot number from the tracing as well. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30796a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Propagate errors from xfs_trans_commit().David Chinner
xfs_trans_commit() can return errors when there are problems in the transaction subsystem. They are indicative that the entire transaction may be incomplete, and hence the error should be propagated as there is a good possibility that there is something fatally wrong in the filesystem. Catch and propagate or warn about commit errors in the places where they are currently ignored. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30795a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Propagate xfs_trans_reserve() errors.David Chinner
xfs_trans_reserve() reports errors that should not be ignored. For example, a shutdown filesystem will report errors through xfs_trans_reserve() to prevent further changes from being attempted on a damaged filesystem. Catch and propagate all error conditions from xfs_trans_reserve(). SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30794a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Catch errors from xfs_acl_vremove().David Chinner
Removing an ACL can return an error. Propagate it. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30793a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Catch errors from xfs_acl_setmode().David Chinner
Propagate the error status from xfs_acl_setmode() so that callers know if the ACl was set correctly or not. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30792a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Propagate quota file truncation errors.David Chinner
Truncating the quota files can silently fail. Ensure that truncation errors are propagated to the callers. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30791a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Catch errors when turning off quotas.David Chinner
When turning off quota, we need to write various transactions to the log to ensure that they are cleanly removed in the case of a crash. We need to check that the transactions hit the disk correctly. If we fail to write the final quota off transaction, we are corrupt in memory and so the only option is to shut the filesystem down at this point. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30790a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Catch errors resetting quota flags.David Chinner
Warn to the syslog if we fail to reset the quota flags in the superblock when a quota check fails. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30789a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Clean up quotamount error handling.David Chinner
xfs_qm_mount_quotas() returns an error status that is ignored. If we fail to mount quotas, we continue with quota's turned off, which is all handled inside xfs_qm_mount_quotas(). Mark it as void to indicate that errors need not be returned to the callers. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30788a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Check for dquot flush errorsDavid Chinner
xfs_qm_dqflush() can fail, but the return is not checked anywhere. Hence we never know if we've failed to flush a dquot to disk. Propagate the error and warn to the syslog if a flush ever fails. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30787a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Propagate xfs_qm_dqflush_all() errors.David Chinner
xfs_qm_dqflush_all() can return flush errors. Ensure they are propagated into the quotacheck code to determine if the quotacheck succeeded or not. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30786a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] xfs_qm_reset_dqcounts() does not return errors.David Chinner
Declare it void. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30785a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Report errors from xfs_reserve_blocks().David Chinner
xfs_reserve_blocks() can fail in interesting ways. In neither case is it a fatal error, but the result can lead to sub-optimal behaviour. Warn to the syslog if the call fails but otherwise continue. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30784a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] xfs_icsb_counter_disabled() never returns an error.David Chinner
Mark it void. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30782a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Remove useless whitespace in function prototypesDavid Chinner
Makes it simpler to annotate function prototypes with __must_check via sed scripts. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30781a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] xfs_quiesce_fs() never returns an error. Mark it void.David Chinner
SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30780a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Don't validate symlink target component lengthChristoph Hellwig
This target component validation is not POSIX conformant and it is not done by any other Linux filesystem so remove it from XFS. SGI-PV: 980080 SGI-Modid: xfs-linux-melb:xfs-kern:30776a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] replace remaining __FUNCTION__ occurrencesHarvey Harrison
__FUNCTION__ is gcc-specific, use __func__ SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30775a Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Replace __inline with inlineHarvey Harrison
Remove the remaining uses of __inline in the XFS code base. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30774a Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Fix lock inversion in forced shutdown.David Chinner
Recent changes to xlog_state_release_iclog() placed the grant_lock inside the icloglock. forced unmount of the log does this the opposite way around, but does not depend on the order for correct working. Fix the inversion by changing the order locks are gained in xfs_log_force_umount(). SGI-PV: 979661 SGI-Modid: xfs-linux-melb:xfs-kern:30773a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Reorganise xlog_t for better cacheline isolation of contentionDavid Chinner
To reduce contention on the log in large CPU count, separate out different parts of the xlog_t structure onto different cachelines. Move each lock onto a different cacheline along with all the members that are accessed/modified while that lock is held. Also, move the debugging code into debug code. SGI-PV: 978729 SGI-Modid: xfs-linux-melb:xfs-kern:30772a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-04-18[XFS] Remove the xlog_ticket allocatorDavid Chinner
The ticket allocator is just a simple slab implementation internal to the log. It requires the icloglock to be held when manipulating it and this contributes to contention on that lock. Just kill the entire allocator and use a memory zone instead. While there, allow us to gracefully fail allocation with ENOMEM. SGI-PV: 978729 SGI-Modid: xfs-linux-melb:xfs-kern:30771a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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