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* vmscan: change shrinker API by passing shrink_control structYing Han2011-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | Change each shrinker's API by consolidating the existing parameters into shrink_control struct. This will simplify any further features added w/o touching each file of shrinker. [akpm@linux-foundation.org: fix build] [akpm@linux-foundation.org: fix warning] [kosaki.motohiro@jp.fujitsu.com: fix up new shrinker API] [akpm@linux-foundation.org: fix xfs warning] [akpm@linux-foundation.org: update gfs2] Signed-off-by: Ying Han <yinghan@google.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Acked-by: Pavel Emelyanov <xemul@openvz.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Acked-by: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds2011-04-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: use proper interfaces for on-stack plugging xfs: fix xfs_debug warnings xfs: fix variable set but not used warnings xfs: convert log tail checking to a warning xfs: catch bad block numbers freeing extents. xfs: push the AIL from memory reclaim and periodic sync xfs: clean up code layout in xfs_trans_ail.c xfs: convert the xfsaild threads to a workqueue xfs: introduce background inode reclaim work xfs: convert ENOSPC inode flushing to use new syncd workqueue xfs: introduce a xfssyncd workqueue xfs: fix extent format buffer allocation size xfs: fix unreferenced var error in xfs_buf.c Also, applied patch from Tony Luck that fixes ia64: xfs_destroy_workqueues() should not be tagged with__exit in the branch before merging.
| * xfs: fix variable set but not used warningsChristoph Hellwig2011-04-08
| | | | | | | | | | | | | | | | GCC 4.6 now warnings about variables set but not used. Fix the trivially fixable warnings of this sort. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* | Fix common misspellingsLucas De Marchi2011-03-31
|/ | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* xfs: Convert remaining cmn_err() callers to new APIDave Chinner2011-03-06
| | | | | | | | Once converted, kill the remainder of the cmn_err() interface. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Alex Elder <aelder@sgi.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: convert the quota debug prints to new APIDave Chinner2011-03-06
| | | | | | Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Alex Elder <aelder@sgi.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: convert xfs_fs_cmn_err to new error logging APIDave Chinner2011-03-06
| | | | | | | | | | Continue to clean up the error logging code by converting all the callers of xfs_fs_cmn_err() to the new API. Once done, remove the unused old API function. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Alex Elder <aelder@sgi.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: Convert xlog_warn to new logging interfaceDave Chinner2011-03-06
| | | | | | | | | | | Convert the xfs log operations to use the new error logging interfaces. This removes the xlog_{warn,panic} wrappers and makes almost all errors emit the device they belong to instead of just refering to "XFS". Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Alex Elder <aelder@sgi.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: more sensible inode refcounting for iallocChristoph Hellwig2011-02-22
| | | | | | | | | | | | | | Currently we return iodes from xfs_ialloc with just a single reference held. But we need two references, as one is dropped during transaction commit and the second needs to be transfered to the VFS. Change xfs_ialloc to use xfs_iget plus xfs_trans_ijoin_ref to grab two references to the inode, and remove the now superflous IHOLD calls from all callers. This also greatly simplifies the error handling in xfs_create and also allow to remove xfs_trans_iget as no other callers are left. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: fix dquot shaker deadlockDave Chinner2011-01-28
| | | | | | | | | | | | | | | | | | Commit 368e136 ("xfs: remove duplicate code from dquot reclaim") fails to unlock the dquot freelist when the number of loop restarts is exceeded in xfs_qm_dqreclaim_one(). This causes hangs in memory reclaim. Rework the loop control logic into an unwind stack that all the different cases jump into. This means there is only one set of code that processes the loop exit criteria, and simplifies the unlocking of all the items from different points in the loop. It also fixes a double increment of the restart counter from the qi_dqlist_lock case. Reported-by: Malcolm Scott <lkml@malc.org.uk> Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Alex Elder <aelder@sgi.com>
* xfs: use wait queues directly for the log wait queuesDave Chinner2010-12-20
| | | | | | | | | | | | | | The log grant queues are one of the few places left using sv_t constructs for waiting. Given we are touching this code, we should convert them to plain wait queues. While there, convert all the other sv_t users in the log code as well. Seeing as this removes the last users of the sv_t type, remove the header file defining the wrapper and the fragments that still reference it. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: Extend project quotas to support 32bit project idsArkadiusz Mi?kiewicz2010-10-18
| | | | | | | | | | | | | | | | This patch adds support for 32bit project quota identifiers. On disk format is backward compatible with 16bit projid numbers. projid on disk is now kept in two 16bit values - di_projid_lo (which holds the same position as old 16bit projid value) and new di_projid_hi (takes existing padding) and converts from/to 32bit value on the fly. xfs_admin (for existing fs), mkfs.xfs (for new fs) needs to be used to enable PROJID32BIT support. Signed-off-by: Arkadiusz Miśkiewicz <arekm@maven.pl> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: remove xfs_buf wrappersChristoph Hellwig2010-10-18
| | | | | | | | Stop having two different names for many buffer functions and use the more descriptive xfs_buf_* names directly. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: remove xfs_cred.hChristoph Hellwig2010-10-18
| | | | | | | | | We're not actually passing around credentials inside XFS for a while now, so remove all xfs_cred.h with it's cred_t typedef and all instances of it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: split out inode walk inode grabbingDave Chinner2010-10-18
| | | | | | | | | | | | When doing read side inode cache walks, the code to validate and grab an inode is common to all callers. Split it out of the execute callbacks in preparation for batching lookups. Similarly, split out the inode reference dropping from the execute callbacks into the main lookup look to be symmetric with the grab. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Alex Elder <aelder@sgi.com>
* xfs: split inode AG walking into separate code for reclaimDave Chinner2010-10-18
| | | | | | | | | | The reclaim walk requires different locking and has a slightly different walk algorithm, so separate it out so that it can be optimised separately. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Alex Elder <aelder@sgi.com>
* xfs: don't use vfs writeback for pure metadata modificationsDave Chinner2010-10-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Under heavy multi-way parallel create workloads, the VFS struggles to write back all the inodes that have been changed in age order. The bdi flusher thread becomes CPU bound, spending 85% of it's time in the VFS code, mostly traversing the superblock dirty inode list to separate dirty inodes old enough to flush. We already keep an index of all metadata changes in age order - in the AIL - and continued log pressure will do age ordered writeback without any extra overhead at all. If there is no pressure on the log, the xfssyncd will periodically write back metadata in ascending disk address offset order so will be very efficient. Hence we can stop marking VFS inodes dirty during transaction commit or when changing timestamps during transactions. This will keep the inodes in the superblock dirty list to those containing data or unlogged metadata changes. However, the timstamp changes are slightly more complex than this - there are a couple of places that do unlogged updates of the timestamps, and the VFS need to be informed of these. Hence add a new function xfs_trans_ichgtime() for transactional changes, and leave xfs_ichgtime() for the non-transactional changes. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Alex Elder <aelder@sgi.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: stop using xfs_qm_dqtobp in xfs_qm_dqflushChristoph Hellwig2010-10-18
| | | | | | | | | | | | | | | In xfs_qm_dqflush we know that q_blkno must be initialized already from a previous xfs_qm_dqread. So instead of calling xfs_qm_dqtobp we can simply read the quota buffer directly. This also saves us from a duplicate xfs_qm_dqcheck call check and allows xfs_qm_dqtobp to be simplified now that it is always called for a newly initialized inode. In addition to that properly unwind all locks in xfs_qm_dqflush when xfs_qm_dqcheck fails. This mirrors a similar cleanup in the inode lookup done earlier. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* xfs: simplify xfs_qm_dqusage_adjustChristoph Hellwig2010-10-18
| | | | | | | | | | | | | There is no need to have the users and group/project quota locked at the same time. Get rid of xfs_qm_dqget_noattach and just do a xfs_qm_dqget inside xfs_qm_quotacheck_dqadjust for the quota we are operating on right now. The new version of xfs_qm_quotacheck_dqadjust holds the inode lock over it's operations, which is not a problem as it simply increments counters and there is no concern about log contention during mount time. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* Merge branch 'for_linus' of ↵Linus Torvalds2010-08-07
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: ext3: Fix dirtying of journalled buffers in data=journal mode ext3: default to ordered mode quota: Use mark_inode_dirty_sync instead of mark_inode_dirty quota: Change quota error message to print out disk and function name MAINTAINERS: Update entries of ext2 and ext3 MAINTAINERS: Update address of Andreas Dilger ext3: Avoid filesystem corruption after a crash under heavy delete load ext3: remove vestiges of nobh support ext3: Fix set but unused variables quota: clean up quota active checks quota: Clean up the namespace in dqblk_xfs.h quota: check quota reservation on remove_dquot_ref
| * quota: Clean up the namespace in dqblk_xfs.hChristoph Hellwig2010-07-21
| | | | | | | | | | | | | | | | | | | | Almost all identifiers use the FS_* namespace, so rename the missing few XFS_* ones to FS_* as well. Without this some people might get upset about having too many XFS names in generic code. Acked-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
* | xfs: simplify xfs_truncate_fileChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | | | | | | | xfs_truncate_file is only used for truncating quota files. Move it to xfs_qm_syscalls.c so it can be marked static and take advatange of the fact by removing the unused page cache validation and taking the iget into the helper. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
* | xfs: remove xfs_iputChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | | | | | xfs_iput is just a small wrapper for xfs_iunlock + IRELE. Having this out of line wrapper means the trace events in those two can't track their caller properly. So just remove the wrapper and opencode the unlock + rele in the few callers. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: remove unused delta tracking code in xfs_bmapiChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | | | | | | | This code was introduced four years ago in commit 3e57ecf640428c01ba1ed8c8fc538447ada1715b without any review and has been unused since. Remove it just as the rest of the code introduced in that commit to reduce that stack usage and complexity in this central piece of code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: fix the xfs_log_iovec i_addr typeChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | By making this member a void pointer we can get rid of a lot of pointless casts. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: simplify inode to transaction joiningChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we need to either call IHOLD or xfs_trans_ihold on an inode when joining it to a transaction via xfs_trans_ijoin. This patches instead makes xfs_trans_ijoin usable on it's own by doing an implicity xfs_trans_ihold, which also allows us to drop the third argument. For the case where we want to hold a reference on the inode a xfs_trans_ijoin_ref wrapper is added which does the IHOLD and marks the inode for needing an xfs_iput. In addition to the cleaner interface to the caller this also simplifies the implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: give li_cb callbacks the correct prototypeChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | Stop the function pointer casting madness and give all the li_cb instances correct prototype. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: give xfs_item_ops methods the correct prototypesChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | Stop the function pointer casting madness and give all the xfs_item_ops the correct prototypes. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: merge iop_unpin_remove into iop_unpinChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | | | | | The unpin_remove item operation instances always share most of the implementation with the respective unpin implementation. So instead of keeping two different entry points add a remove flag to the unpin operation and share the code more easily. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: simplify log item descriptor trackingChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we track log item descriptor belonging to a transaction using a complex opencoded chunk allocator. This code has been there since day one and seems to work around the lack of an efficient slab allocator. This patch replaces it with dynamically allocated log item descriptors from a dedicated slab pool, linked to the transaction by a linked list. This allows to greatly simplify the log item descriptor tracking to the point where it's just a couple hundred lines in xfs_trans.c instead of a separate file. The external API has also been simplified while we're at it - the xfs_trans_add_item and xfs_trans_del_item functions to add/ delete items from a transaction have been simplified to the bare minium, and the xfs_trans_find_item function is replaced with a direct dereference of the li_desc field. All debug code walking the list of log items in a transaction is down to a simple list_for_each_entry. Note that we could easily use a singly linked list here instead of the double linked list from list.h as the fastpath only does deletion from sequential traversal. But given that we don't have one available as a library function yet I use the list.h functions for simplicity. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | xfs: remove unneeded #include statementsChristoph Hellwig2010-07-26
| | | | | | | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* | xfs: drop dmapi hooksChristoph Hellwig2010-07-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Dmapi support was never merged upstream, but we still have a lot of hooks bloating XFS for it, all over the fast pathes of the filesystem. This patch drops over 700 lines of dmapi overhead. If we'll ever get HSM support in mainline at least the namespace events can be done much saner in the VFS instead of the individual filesystem, so it's not like this is much help for future work. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* | mm: add context argument to shrinker callbackDave Chinner2010-07-19
|/ | | | | | | | | | | | The current shrinker implementation requires the registered callback to have global state to work from. This makes it difficult to shrink caches that are not global (e.g. per-filesystem caches). Pass the shrinker structure to the callback so that users can embed the shrinker structure in the context the shrinker needs to operate on and get back to it in the callback via container_of(). Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: remove block number from inode lookup codeDave Chinner2010-06-23
| | | | | | | | | | The block number comes from bulkstat based inode lookups to shortcut the mapping calculations. We ar enot able to trust anything from bulkstat, so drop the block number as well so that the correct lookups and mappings are always done. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: always use iget in bulkstatChristoph Hellwig2010-06-23
| | | | | | | | | | | The non-coherent bulkstat versionsthat look directly at the inode buffers causes various problems with performance optimizations that make increased use of just logging inodes. This patch makes bulkstat always use iget, which should be fast enough for normal use with the radix-tree based inode cache introduced a while ago. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com>
* Merge branch 'master' into for-linusAlex Elder2010-06-04
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| * fs/xfs/quota: Add missing mutex_unlockJulia Lawall2010-05-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a mutex_unlock missing on the error path. The use of this lock is balanced elsewhere in the file. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression E1; @@ * mutex_lock(E1,...); <+... when != E1 if (...) { ... when != E1 * return ...; } ...+> * mutex_unlock(E1,...); // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Alex Elder <aelder@sgi.com>
* | Merge branch 'delayed-logging-for-2.6.35' into for-linusAlex Elder2010-05-24
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| * xfs: Clean up XFS_BLI_* flag namespaceDave Chinner2010-05-24
| | | | | | | | | | | | | | | | | | | | | | | | | | Clean up the buffer log format (XFS_BLI_*) flags because they have a polluted namespace. They XFS_BLI_ prefix is used for both in-memory and on-disk flag feilds, but have overlapping values for different flags. Rename the buffer log format flags to use the XFS_BLF_* prefix to avoid confusing them with the in-memory XFS_BLI_* prefixed flags. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
* | quota: unify ->set_dqblkChristoph Hellwig2010-05-21
|/ | | | | | | | | | | | | | Pass the larger struct fs_disk_quota to the ->set_dqblk operation so that the Q_SETQUOTA and Q_XSETQUOTA operations can be implemented with a single filesystem operation and we can retire the ->set_xquota operation. The additional information (RT-subvolume accounting and warn counts) are left zero for the VFS quota implementation. Add new fieldmask values for setting the numer of blocks and inodes values which is required for the VFS quota, but wasn't for XFS. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
* xfs: remove dead XFS_LOUD_RECOVERY codeChristoph Hellwig2010-05-19
| | | | | | | | | | This can't be enabled through the build system and has been dead for ages. Note that the CRC patches add back log checksumming, but the code is quite different from the version removed here anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: removed unused XFS_QMOPT_ flagsChristoph Hellwig2010-05-19
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: remove a few macro indirections in the quota codeChristoph Hellwig2010-05-19
| | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: access quotainfo structure directlyChristoph Hellwig2010-05-19
| | | | | | | | | | Access fields in m_quotainfo directly instead of hiding them behind the XFS_QI_* macros. Add local variables for the quotainfo pointer in places where we have lots of them. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: remove xfs_dqmarkerChristoph Hellwig2010-05-19
| | | | | | | | The xfs_dqmarker structure does not need to exist anymore. Move the remaining flags field out of it and remove the structure altogether. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* xfs: convert the dquot free list to use list headsDave Chinner2010-05-19
| | | | | | | | | Convert the dquot free list on the filesystem to use listhead infrastructure rather than the roll-your-own in the quota code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: convert the dquot hash list to use list headsDave Chinner2010-05-19
| | | | | | | | Convert the dquot hash list on the filesystem to use listhead infrastructure rather than the roll-your-own in the quota code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: remove duplicate code from dquot reclaimDave Chinner2010-05-19
| | | | | | | | | | The dquot shaker and the free-list reclaim code use exactly the same algorithm but the code is duplicated and slightly different in each case. Make the shaker code use the single dquot reclaim code to remove the code duplication. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: convert the per-mount dquot list to use list headsDave Chinner2010-05-19
| | | | | | | | Convert the dquot list on the filesytesm to use listhead infrastructure rather than the roll-your-own in the quota code. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: remove stale parameter from ->iop_unpin methodDave Chinner2010-05-19
| | | | | | | | | | | | | The staleness of a object being unpinned can be directly derived from the object itself - there is no need to extract it from the object then pass it as a parameter into IOP_UNPIN(). This means we can kill the XFS_LID_BUF_STALE flag - it is set, checked and cleared in the same places XFS_BLI_STALE flag in the xfs_buf_log_item so it is now redundant and hence safe to remove. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
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