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Dave Chinner a899608c6a xfs: add a shrinker to background inode reclaim 
commit 9bf729c0af upstream

On low memory boxes or those with highmem, kernel can OOM before the
background reclaims inodes via xfssyncd. Add a shrinker to run inode
reclaim so that it inode reclaim is expedited when memory is low.

This is more complex than it needs to be because the VM folk don't
want a context added to the shrinker infrastructure. Hence we need
to add a global list of XFS mount structures so the shrinker can
traverse them.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-12 14:57:13 -07:00
..
linux-2.6 xfs: add a shrinker to background inode reclaim 2010-05-12 14:57:13 -07:00
quota xfs: add a shrinker to background inode reclaim 2010-05-12 14:57:13 -07:00
support xfs: cleanup uuid handling 2009-03-30 10:21:31 +02:00
Kconfig xfs: use generic Posix ACL code 2009-06-10 17:07:47 +02:00
Makefile xfs: use generic Posix ACL code 2009-06-10 17:07:47 +02:00
xfs.h [XFS] make btree tracing generic 2008-10-30 16:55:13 +11:00
xfs_acl.h switch xfs to generic acl caching helpers 2009-06-24 08:17:07 -04:00
xfs_ag.h xfs: add a shrinker to background inode reclaim 2010-05-12 14:57:13 -07:00
xfs_alloc.c xfs: Ensure we force all busy extents in range to disk 2010-04-26 07:41:15 -07:00
xfs_alloc.h xfs: factor out code to find the longest free extent in the AG 2009-03-16 08:29:46 +01:00
xfs_alloc_btree.c [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_alloc_btree.h [XFS] Always use struct xfs_btree_block instead of short / longform 2008-10-30 17:14:34 +11:00
xfs_arch.h xfs: use generic Posix ACL code 2009-06-10 17:07:47 +02:00
xfs_attr.c xfs: switch to NOFS allocation under i_lock in xfs_attr_rmtval_get 2009-08-12 01:08:01 -05:00
xfs_attr.h [XFS] Move attr log alloc size calculator to another function. 2008-08-13 16:03:35 +10:00
xfs_attr_leaf.c xfs: remove m_attroffset 2009-03-29 19:26:46 +02:00
xfs_attr_leaf.h [XFS] Remove macro-to-function indirections in attr code 2009-01-09 15:46:44 +11:00
xfs_attr_sf.h [XFS] 2008-07-28 16:58:35 +10:00
xfs_bit.c [XFS] Use the generic bitops rather than implementing them ourselves. 2008-08-13 15:41:12 +10:00
xfs_bit.h [XFS] Remove macro-to-function indirections in the mask code 2009-01-09 15:53:54 +11:00
xfs_bmap.c xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_bmap.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_bmap_btree.c xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_bmap_btree.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_btree.c xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_btree.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_btree_trace.c [XFS] make btree tracing generic 2008-10-30 16:58:50 +11:00
xfs_btree_trace.h [XFS] make btree tracing generic 2008-10-30 16:58:50 +11:00
xfs_buf_item.c [XFS] Remove XFS_BUF_SHUT() and friends 2008-12-22 17:52:58 +11:00
xfs_buf_item.h
xfs_da_btree.c xfs: switch to NOFS allocation under i_lock in xfs_da_buf_make 2009-08-12 01:07:14 -05:00
xfs_da_btree.h xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_dfrag.c xfs: xfs_swap_extents needs to handle dynamic fork offsets 2010-04-26 07:41:16 -07:00
xfs_dfrag.h [XFS] Move copy_from_user calls out of ioctl helpers into ioctl switch. 2008-12-02 17:08:01 +11:00
xfs_dinode.h xfs: remove m_litino 2009-03-29 09:51:14 +02:00
xfs_dir2.c xfs: switch to NOFS allocation under i_lock in xfs_dir_cilookup_result 2009-08-12 01:07:23 -05:00
xfs_dir2.h [XFS] Return case-insensitive match for dentry cache 2008-07-28 16:58:40 +10:00
xfs_dir2_block.c xfs: kill ino64 mount option 2009-03-29 09:51:08 +02:00
xfs_dir2_block.h
xfs_dir2_data.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2_data.h xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_dir2_leaf.c fix readahead calculations in xfs_dir2_leaf_getdents() 2009-10-08 12:02:12 -05:00
xfs_dir2_leaf.h
xfs_dir2_node.c xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_dir2_node.h
xfs_dir2_sf.c xfs: kill ino64 mount option 2009-03-29 09:51:08 +02:00
xfs_dir2_sf.h [XFS] kill xfs_dinode_core_t 2008-12-01 11:37:35 +11:00
xfs_dir2_trace.c [XFS] Add op_flags field and helpers to xfs_da_args 2008-07-28 16:58:37 +10:00
xfs_dir2_trace.h
xfs_dmapi.h removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
xfs_dmops.c [XFS] kill struct xfs_mount_args 2008-10-30 17:53:24 +11:00
xfs_error.c [XFS] avoid memory allocations in xfs_fs_vcmn_err 2008-12-22 18:02:01 +11:00
xfs_error.h [XFS] avoid memory allocations in xfs_fs_vcmn_err 2008-12-22 18:02:01 +11:00
xfs_extfree_item.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_extfree_item.h [XFS] remove always-true #ifndef HAVE_FORMAT32 tests 2009-01-22 14:07:31 +11:00
xfs_filestream.c xfs: split xfs_sync_inodes 2009-06-08 15:35:48 +02:00
xfs_filestream.h
xfs_fs.h trivial: fix typo "for for" in multiple files 2009-09-21 15:14:54 +02:00
xfs_fsops.c xfs: I/O completion handlers must use NOFS allocations 2010-04-26 07:41:14 -07:00
xfs_fsops.h filesystem freeze: add error handling of write_super_lockfs/unlockfs 2009-01-09 16:54:42 -08:00
xfs_ialloc.c xfs: free temporary cursor in xfs_dialloc 2009-10-30 09:27:07 +01:00
xfs_ialloc.h xfs: rationalize xfs_inobt_lookup* 2009-09-01 12:45:39 -05:00
xfs_ialloc_btree.c xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_ialloc_btree.h xfs: remove superflous inobt macros 2009-02-09 08:37:14 +01:00
xfs_iget.c xfs: fix locking for inode cache radix tree tag updates 2010-04-26 07:41:16 -07:00
xfs_inode.c xfs: fix stale inode flush avoidance 2010-04-26 07:41:15 -07:00
xfs_inode.h xfs: implement ->dirty_inode to fix timestamp handling 2009-10-08 12:00:03 -05:00
xfs_inode_item.c xfs: implement ->dirty_inode to fix timestamp handling 2009-10-08 12:00:03 -05:00
xfs_inode_item.h xfs: simplify xfs_trans_iget 2009-09-01 12:46:16 -05:00
xfs_inum.h xfs: remove XFS_INO64_OFFSET 2009-08-31 14:46:22 -05:00
xfs_iomap.c xfs: I/O completion handlers must use NOFS allocations 2010-04-26 07:41:14 -07:00
xfs_iomap.h xfs: remove xfs_flush_space 2009-04-06 18:49:12 +02:00
xfs_itable.c xfs: implement ->dirty_inode to fix timestamp handling 2009-10-08 12:00:03 -05:00
xfs_itable.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_log.c xfs: fix spin_is_locked assert on uni-processor builds 2009-08-12 01:08:27 -05:00
xfs_log.h xfs: cleanup log unmount handling 2009-03-16 08:19:29 +01:00
xfs_log_priv.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_log_recover.c xfs: Wrapped journal record corruption on read at recovery 2010-04-26 07:41:14 -07:00
xfs_log_recover.h
xfs_mount.c xfs: I/O completion handlers must use NOFS allocations 2010-04-26 07:41:14 -07:00
xfs_mount.h xfs: add a shrinker to background inode reclaim 2010-05-12 14:57:13 -07:00
xfs_mru_cache.c xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_mru_cache.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_quota.h xfs: fix warnings with CONFIG_XFS_QUOTA disabled 2009-06-12 21:15:12 -05:00
xfs_refcache.h
xfs_rename.c xfs: kill xfs_qmops 2009-06-08 15:33:32 +02:00
xfs_rtalloc.c xfs: make sure to free the real-time inodes in the mount error path 2009-02-04 09:33:58 +01:00
xfs_rtalloc.h xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_rw.c xfs: merge fsync and O_SYNC handling 2009-09-01 12:45:57 -05:00
xfs_rw.h xfs: fix mmap_sem/iolock inversion in xfs_free_eofblocks 2010-04-26 07:41:14 -07:00
xfs_sb.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_trans.c xfs: I/O completion handlers must use NOFS allocations 2010-04-26 07:41:14 -07:00
xfs_trans.h xfs: I/O completion handlers must use NOFS allocations 2010-04-26 07:41:14 -07:00
xfs_trans_ail.c xfs: copy li_lsn before dropping AIL lock 2009-11-17 10:26:49 -06:00
xfs_trans_buf.c fs/xfs: Correct redundant test 2009-08-31 14:46:22 -05:00
xfs_trans_extfree.c
xfs_trans_inode.c xfs: simplify xfs_trans_iget 2009-09-01 12:46:16 -05:00
xfs_trans_item.c xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_trans_priv.h [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_trans_space.h xfs: remove superflous inobt macros 2009-02-09 08:37:14 +01:00
xfs_types.h xfs: remove uchar_t/ushort_t/uint_t/ulong_t types 2009-02-09 08:37:39 +01:00
xfs_utils.c xfs: kill xfs_qmops 2009-06-08 15:33:32 +02:00
xfs_utils.h [XFS] implement IHOLD/IRELE directly 2008-08-13 16:13:45 +10:00
xfs_vnodeops.c xfs: remove invalid barrier optimization from xfs_fsync 2010-04-26 07:41:16 -07:00
xfs_vnodeops.h xfs: simplify inode teardown 2010-04-26 07:41:14 -07:00