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David Chinner 7b2e2a31f5 [XFS] Allow 64 bit machines to avoid the AIL lock during flushes 
When copying lsn's from the log item to the inode or dquot flush lsn, we
currently grab the AIL lock. We do this because the LSN is a 64 bit
quantity and it needs to be read atomically. The lock is used to guarantee
atomicity for 32 bit platforms.

Make the LSN copying a small function, and make the function used
conditional on BITS_PER_LONG so that 64 bit machines don't need to take
the AIL lock in these places.

SGI-PV: 988143

SGI-Modid: xfs-linux-melb:xfs-kern:32349a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
2008-10-30 17:39:12 +11:00
..
linux-2.6
[XFS] Allocate the struct xfs_ail
2008-10-30 17:38:26 +11:00
quota
[XFS] Allow 64 bit machines to avoid the AIL lock during flushes
2008-10-30 17:39:12 +11:00
support
[XFS] Show buffer address with debug hexdump on corruption
2008-10-30 17:05:58 +11:00
Kconfig
[XFS] allow enabling CONFIG_XFS_DEBUG
2008-04-29 16:07:48 +10:00
Makefile
[XFS] move sync code to its own file
2008-10-30 17:06:08 +11:00
xfs_acl.c
[XFS] kill bhv_vnode_t
2008-08-13 16:22:40 +10:00
xfs_acl.h
[XFS] kill bhv_vnode_t
2008-08-13 16:22:40 +10:00
xfs_ag.h
[XFS] mark inodes for reclaim via a tag in the inode radix tree
2008-10-30 17:37:26 +11:00
xfs_alloc_btree.c
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +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_alloc.c
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_alloc.h
[XFS] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
xfs_arch.h
[XFS] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
xfs_attr_leaf.c
[XFS] Move xfs_attr_rolltrans to xfs_trans_roll
2008-08-13 16:05:49 +10:00
xfs_attr_leaf.h
[XFS] Move xfs_attr_rolltrans to xfs_trans_roll
2008-08-13 16:05:49 +10:00
xfs_attr_sf.h
[XFS]
2008-07-28 16:58:35 +10:00
xfs_attr.c
[XFS] Move xfs_attr_rolltrans to xfs_trans_roll
2008-08-13 16:05:49 +10:00
xfs_attr.h
[XFS] Move attr log alloc size calculator to another function.
2008-08-13 16:03:35 +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] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
xfs_bmap_btree.c
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_bmap_btree.h
[XFS] Move XFS_BMAP_SANITY_CHECK out of line.
2008-10-30 17:14:43 +11:00
xfs_bmap.c
[XFS] Move XFS_BMAP_SANITY_CHECK out of line.
2008-10-30 17:14:43 +11:00
xfs_bmap.h
[XFS] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
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_btree.c
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_btree.h
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_buf_item.c
[XFS] Fix use-after-free with buffers
2008-09-17 16:52:13 +10:00
xfs_buf_item.h
[XFS] Fix up sparse warnings.
2008-02-07 18:14:38 +11:00
xfs_clnt.h
[XFS] Fix up noattr2 so that it will properly update the versionnum and
2008-07-28 16:58:05 +10:00
xfs_da_btree.c
[XFS] Account for allocated blocks when expanding directories
2008-10-30 17:38:12 +11:00
xfs_da_btree.h
[XFS] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
xfs_dfrag.c
[XFS] Prevent lockdep false positives when locking two inodes.
2008-09-17 16:51:21 +10:00
xfs_dfrag.h
…
xfs_dinode.h
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_dir2_block.c
[XFS] Return case-insensitive match for dentry cache
2008-07-28 16:58:40 +10:00
xfs_dir2_block.h
[XFS] use filldir internally
2007-10-15 16:49:49 +10:00
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] Reduce shouting by removing unnecessary macros from dir2 code.
2007-07-14 15:37:02 +10:00
xfs_dir2_leaf.c
[XFS] Fix CI lookup in leaf-form directories
2008-07-28 16:59:06 +10:00
xfs_dir2_leaf.h
[XFS] use filldir internally
2007-10-15 16:49:49 +10:00
xfs_dir2_node.c
[XFS] Fix returning case-preserved name with CI node form directories
2008-07-28 16:59:01 +10:00
xfs_dir2_node.h
[XFS] Reduce shouting by removing unnecessary macros from dir2 code.
2007-07-14 15:37:02 +10:00
xfs_dir2_sf.c
[XFS] Return case-insensitive match for dentry cache
2008-07-28 16:58:40 +10:00
xfs_dir2_sf.h
[XFS] Pack some shortform dir2 structures for the ARM old ABI
2008-07-28 16:58:50 +10:00
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_dir2.c
[XFS] Account for allocated blocks when expanding directories
2008-10-30 17:38:12 +11:00
xfs_dir2.h
[XFS] Return case-insensitive match for dentry cache
2008-07-28 16:58:40 +10:00
xfs_dmapi.h
removed unused #include <linux/version.h>'s
2008-08-23 12:14:12 -07:00
xfs_dmops.c
[XFS] fixups after behavior removal merge into mainline git
2007-10-19 17:14:45 +10:00
xfs_error.c
[XFS] kill INDUCE_IO_ERROR
2008-08-13 16:17:37 +10:00
xfs_error.h
[XFS] kill INDUCE_IO_ERROR
2008-08-13 16:17:37 +10:00
xfs_extfree_item.c
[XFS] Remove unused arg from kmem_free()
2008-07-28 16:58:07 +10:00
xfs_extfree_item.h
…
xfs_filestream.c
[XFS] Use KM_NOFS for debug trace buffers
2008-08-13 16:51:57 +10:00
xfs_filestream.h
[XFS] Concurrent Multi-File Data Streams
2007-07-14 15:40:53 +10:00
xfs_fs.h
[XFS] attrmulti cleanup
2008-07-28 16:59:09 +10:00
xfs_fsops.c
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_fsops.h
…
xfs_ialloc_btree.c
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_ialloc_btree.h
[XFS] Always use struct xfs_btree_block instead of short / longform
2008-10-30 17:14:34 +11:00
xfs_ialloc.c
[XFS] implement generic xfs_btree_get_rec
2008-10-30 16:58:11 +11:00
xfs_ialloc.h
[XFS] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
xfs_iget.c
[XFS] kill deleted inodes list
2008-10-30 17:37:49 +11:00
xfs_imap.h
[XFS] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
xfs_inode_item.c
[XFS] replace inode flush semaphore with a completion
2008-08-13 16:41:16 +10:00
xfs_inode_item.h
[XFS] Sync up kernel and user-space headers
2008-10-30 17:05:38 +11:00
xfs_inode.c
[XFS] Allow 64 bit machines to avoid the AIL lock during flushes
2008-10-30 17:39:12 +11:00
xfs_inode.h
[XFS] kill deleted inodes list
2008-10-30 17:37:49 +11:00
xfs_inum.h
…
xfs_iomap.c
[XFS] use minleft when allocating in xfs_bmbt_split()
2008-07-28 16:59:10 +10:00
xfs_iomap.h
[XFS] kill unnessecary ioops indirection
2008-02-07 16:44:14 +11:00
xfs_itable.c
[XFS] implement generic xfs_btree_increment
2008-10-30 16:55:45 +11:00
xfs_itable.h
[XFS] Fix XFS_IOC_FSBULKSTAT{,_SINGLE} & XFS_IOC_FSINUMBERS in compat mode
2007-07-14 15:42:50 +10:00
xfs_log_priv.h
[XFS] Move memory allocations for log tracing out of the critical path
2008-09-17 16:45:37 +10:00
xfs_log_recover.c
[XFS] move the AIl traversal over to a consistent interface
2008-10-30 17:39:00 +11:00
xfs_log_recover.h
…
xfs_log.c
[XFS] move the AIl traversal over to a consistent interface
2008-10-30 17:39:00 +11:00
xfs_log.h
[XFS] cleanup xfs_mountfs
2008-08-13 16:49:32 +10:00
xfs_mount.c
[XFS] kill deleted inodes list
2008-10-30 17:37:49 +11:00
xfs_mount.h
[XFS] Allocate the struct xfs_ail
2008-10-30 17:38:26 +11:00
xfs_mru_cache.c
[XFS] streamline init/exit path
2008-07-28 16:59:25 +10:00
xfs_mru_cache.h
[XFS] On-demand reaping of the MRU cache
2007-09-17 16:42:02 +10:00
xfs_qmops.c
[XFS] Unwrap XFS_SB_LOCK.
2008-02-07 16:47:15 +11:00
xfs_quota.h
[XFS] remove dependency of the quota module on behaviors
2007-10-16 11:43:26 +10:00
xfs_refcache.h
…
xfs_rename.c
[XFS] Don't update mtime on rename source
2008-07-28 16:59:14 +10:00
xfs_rtalloc.c
[XFS] Use the generic bitops rather than implementing them ourselves.
2008-08-13 15:41:12 +10:00
xfs_rtalloc.h
[XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config
2008-02-07 18:16:43 +11:00
xfs_rw.c
[XFS] replace the XFS buf iodone semaphore with a completion
2008-08-13 16:36:11 +10:00
xfs_rw.h
[XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config
2008-02-07 18:16:43 +11:00
xfs_sb.h
[XFS] XFS: ASCII case-insensitive support
2008-07-28 16:58:42 +10:00
xfs_trans_ail.c
[XFS] move the AIl traversal over to a consistent interface
2008-10-30 17:39:00 +11:00
xfs_trans_buf.c
[XFS] remove shouting-indirection macros from xfs_trans.h
2008-08-13 16:10:52 +10:00
xfs_trans_extfree.c
[XFS] Radix tree based inode caching
2007-10-15 16:50:50 +10:00
xfs_trans_inode.c
[XFS] Remove unused arg from kmem_free()
2008-07-28 16:58:07 +10:00
xfs_trans_item.c
[XFS] remove shouting-indirection macros from xfs_trans.h
2008-08-13 16:10:52 +10:00
xfs_trans_priv.h
[XFS] Allow 64 bit machines to avoid the AIL lock during flushes
2008-10-30 17:39:12 +11:00
xfs_trans_space.h
…
xfs_trans.c
[XFS] remove shouting-indirection macros from xfs_trans.h
2008-08-13 16:10:52 +10:00
xfs_trans.h
[XFS] move the AIl traversal over to a consistent interface
2008-10-30 17:39:00 +11:00
xfs_types.h
[XFS] remove bhv_vname_t and xfs_rename code
2008-04-18 12:00:12 +10:00
xfs_utils.c
[XFS] Avoid directly referencing the VFS inode.
2008-08-13 15:45:15 +10:00
xfs_utils.h
[XFS] implement IHOLD/IRELE directly
2008-08-13 16:13:45 +10:00
xfs_vfsops.c
[XFS] Move remaining quiesce code.
2008-10-30 17:16:21 +11:00
xfs_vfsops.h
[XFS] Move remaining quiesce code.
2008-10-30 17:16:21 +11:00
xfs_vnodeops.c
[XFS] kill deleted inodes list
2008-10-30 17:37:49 +11:00
xfs_vnodeops.h
[XFS] Now that xfs_setattr is only used for attributes set from ->setattr
2008-07-28 16:59:37 +10:00
xfs.h
[XFS] make btree tracing generic
2008-10-30 16:55:13 +11:00