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David Chinner 455486b9cc [XFS] avoid all reclaimable inodes in xfs_sync_inodes_ag 
If we are syncing data in xfs_sync_inodes_ag(), the VFS inode must still
be referencable as the dirty data state is carried on the VFS inode. hence
if we can't get a reference via igrab(), the inode must be in reclaim
which implies that it has no dirty data attached.

Leave such inodes to the reclaim code to flush the dirty inode state to
disk and so avoid attempting to access the VFS inode when it may not exist
in xfs_sync_inodes_ag().

Version 4:
o don't reference linux inode until after igrab() succeeds

Version 3:
o converted unlock/rele to an xfs_iput() call.

Version 2:
o change igrab logic to be more linear
o remove initial reclaimable inode check now that we are using
  igrab() failure to find reclaimable inodes
o assert that igrab failure occurs only on reclaimable inodes
o clean up inode locking - only grab the iolock if we are doing
  a SYNC_DELWRI call and we have a dirty inode.

SGI-PV: 987246

SGI-Modid: xfs-linux-melb:xfs-kern:32391a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Peter Leckie <pleckie@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
 		2008-10-30 18:03:14 +11:00
..
linux-2.6 [XFS] avoid all reclaimable inodes in xfs_sync_inodes_ag 2008-10-30 18:03:14 +11:00
quota [XFS] kill struct xfs_mount_args 2008-10-30 17:53:24 +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.h [XFS] make btree tracing generic 2008-10-30 16:55:13 +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.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_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_arch.h [XFS] Sync up kernel and user-space headers 2008-10-30 17:05:38 +11:00
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_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_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.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_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_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_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] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_buf_item.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
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] Add parameters to xfs_bmapi() and xfs_bunmapi() to have them report 2006-06-09 14:48:12 +10:00
xfs_dinode.h [XFS] Always use struct xfs_btree_block instead of short / longform 2008-10-30 17:14:34 +11:00
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_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_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] 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] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_extfree_item.h [XFS] cleanup the field types of some item format structures 2006-09-28 10:55:43 +10:00
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] Write log dummy record when freezing filesystem 2006-01-11 15:30:08 +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_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_iget.c [XFS] Can't lock inodes in radix tree preload region 2008-10-30 17:55:27 +11:00
xfs_imap.h [XFS] Sync up kernel and user-space headers 2008-10-30 17:05:38 +11:00
xfs_inode.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_inode.h [XFS] kill deleted inodes list 2008-10-30 17:37:49 +11:00
xfs_inode_item.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_inode_item.h [XFS] Sync up kernel and user-space headers 2008-10-30 17:05:38 +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.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_log.h [XFS] cleanup xfs_mountfs 2008-08-13 16:49:32 +10:00
xfs_log_priv.h [XFS] Given the log a pointer to the AIL 2008-10-30 17:39:35 +11:00
xfs_log_recover.c [XFS] XFS: Check for valid transaction headers in recovery 2008-10-30 17:40:09 +11:00
xfs_log_recover.h
…
xfs_mount.c [XFS] kill deleted inodes list 2008-10-30 17:37:49 +11:00
xfs_mount.h [XFS] kill struct xfs_mount_args 2008-10-30 17:53:24 +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] kill struct xfs_mount_args 2008-10-30 17:53:24 +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.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_trans.h [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_trans_ail.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_trans_buf.c [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
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] Add ail pointer into log items 2008-10-30 17:39:46 +11:00
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 version 1 directory code. Never functioned on Linux, just 2006-06-20 13:04:51 +10:00
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] kill struct xfs_mount_args 2008-10-30 17:53:24 +11:00
xfs_vfsops.h [XFS] Move remaining quiesce code. 2008-10-30 17:16:21 +11:00
xfs_vnodeops.c [XFS] Trivial xfs_remove comment fixup 2008-10-30 17:55:18 +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