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Darrick J. Wong 385d655861 xfs: defer should allow ->finish_item to request a new transaction 
When xfs_defer_finish calls ->finish_item, it's possible that
(refcount) won't be able to finish all the work in a single
transaction.  When this happens, the ->finish_item handler should
shorten the log done item's list count, update the work item to
reflect where work should continue, and return -EAGAIN so that
defer_finish knows to retain the pending item on the pending list,
roll the transaction, and restart processing where we left off.

Plumb in the code and document how this mechanism is supposed to work.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
 		2016-09-19 10:26:25 +10:00
..
libxfs xfs: defer should allow ->finish_item to request a new transaction 2016-09-19 10:26:25 +10:00
Kconfig xfs: implement iomap based buffered write path 2016-06-21 09:53:44 +10:00
Makefile xfs: reverse block mapping support for 4.8-rc1 2016-08-06 09:50:36 -04:00
kmem.c xfs: improve kmem_realloc 2016-04-06 09:47:01 +10:00
kmem.h xfs: improve kmem_realloc 2016-04-06 09:47:01 +10:00
mrlock.h
…
uuid.c
…
uuid.h
…
xfs.h
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xfs_acl.c posix_acl: Inode acl caching fixes 2016-03-31 00:30:15 -04:00
xfs_acl.h xfs: Change how listxattr generates synthetic attributes 2015-12-06 21:34:16 -05:00
xfs_aops.c xfs: update for 4.8-rc1 2016-07-27 09:53:35 -07:00
xfs_aops.h xfs: direct calls in the direct I/O path 2016-07-20 11:38:01 +10:00
xfs_attr.h xfs: remove put_value from attr ->put_listent context 2016-04-06 07:57:45 +10:00
xfs_attr_inactive.c xfs: make several functions static 2016-06-01 17:38:15 +10:00
xfs_attr_list.c xfs: make several functions static 2016-06-01 17:38:15 +10:00
xfs_bmap_util.c xfs: disable XFS_IOC_SWAPEXT when rmap btree is enabled 2016-08-03 12:18:07 +10:00
xfs_bmap_util.h xfs: change xfs_bmap_{finish,cancel,init,free} -> xfs_defer_* 2016-08-03 11:18:10 +10:00
xfs_buf.c xfs: prevent dropping ioend completions during buftarg wait 2016-08-26 16:01:59 +10:00
xfs_buf.h xfs: track and serialize in-flight async buffers against unmount 2016-07-20 11:15:28 +10:00
xfs_buf_item.c Merge branch 'xfs-4.8-misc-fixes-4' into for-next 2016-07-22 14:10:56 +10:00
xfs_buf_item.h xfs: fix non-debug build warnings 2015-08-25 10:05:13 +10:00
xfs_dir2_readdir.c xfs: concurrent readdir hangs on data buffer locks 2016-05-18 13:20:21 -04:00
xfs_discard.c xfs: rmap btree requires more reserved free space 2016-08-03 11:38:24 +10:00
xfs_discard.h
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xfs_dquot.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_dquot.h xfs: fix implicit bool to int conversion 2015-01-09 10:48:58 +11:00
xfs_dquot_item.c xfs: allocate log vector buffers outside CIL context lock 2016-07-22 09:52:35 +10:00
xfs_dquot_item.h
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xfs_error.c Merge branch 'xfs-4.8-misc-fixes-3' into for-next 2016-07-20 11:51:08 +10:00
xfs_error.h xfs: propagate bmap updates to rmapbt 2016-08-03 12:16:05 +10:00
xfs_export.c xfs: abstract block export operations from nfsd layouts 2016-07-15 15:31:29 -04:00
xfs_export.h
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xfs_extent_busy.c xfs: merge xfs_ag.h into xfs_format.h 2014-11-28 14:25:04 +11:00
xfs_extent_busy.h
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xfs_extfree_item.c xfs: remove unnecessary parentheses from log redo item recovery functions 2016-08-03 12:29:32 +10:00
xfs_extfree_item.h xfs: refactor redo intent item processing 2016-08-03 11:23:49 +10:00
xfs_file.c xfs: don't invalidate whole file on DAX read/write 2016-08-17 08:31:33 +10:00
xfs_filestream.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_filestream.h
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xfs_fsops.c xfs: store rmapbt block count in the AGF 2016-08-17 08:31:49 +10:00
xfs_fsops.h xfs: remove unused function definitions 2016-02-08 14:58:07 +11:00
xfs_globals.c
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xfs_icache.c xfs: cancel eofblocks background trimming on remount read-only 2016-06-21 11:53:28 +10:00
xfs_icache.h xfs: cancel eofblocks background trimming on remount read-only 2016-06-21 11:53:28 +10:00
xfs_icreate_item.c xfs: move most of xfs_sb.h to xfs_format.h 2014-11-28 14:27:09 +11:00
xfs_icreate_item.h
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xfs_inode.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_inode.h xfs: change xfs_bmap_{finish,cancel,init,free} -> xfs_defer_* 2016-08-03 11:18:10 +10:00
xfs_inode_item.c xfs: allocate log vector buffers outside CIL context lock 2016-07-22 09:52:35 +10:00
xfs_inode_item.h xfs: remove timestamps from incore inode 2016-02-09 16:54:58 +11:00
xfs_ioctl.c fs: return EPERM on immutable inode 2016-08-07 10:03:31 -04:00
xfs_ioctl.h xfs: don't pass ioflags around in the ioctl path 2016-07-20 11:29:35 +10:00
xfs_ioctl32.c xfs: don't pass ioflags around in the ioctl path 2016-07-20 11:29:35 +10:00
xfs_ioctl32.h
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xfs_iomap.c Merge branch 'iomap-fixes-4.8-rc3' into for-next 2016-08-17 11:13:37 +10:00
xfs_iomap.h xfs: (re-)implement FIEMAP_FLAG_XATTR 2016-08-17 08:45:30 +10:00
xfs_iops.c xfs: (re-)implement FIEMAP_FLAG_XATTR 2016-08-17 08:45:30 +10:00
xfs_iops.h xfs: inodes are new until the dentry cache is set up 2015-02-23 22:38:08 +11:00
xfs_itable.c xfs: mode di_mode to vfs inode 2016-02-09 16:54:58 +11:00
xfs_itable.h xfs: bulkstat chunk formatting cursor is broken 2014-11-07 08:30:30 +11:00
xfs_linux.h xfs: remove __arch_pack 2016-07-20 11:48:46 +10:00
xfs_log.c Merge branch 'xfs-4.8-buf-fixes' into for-next 2016-07-20 11:53:35 +10:00
xfs_log.h xfs: make several functions static 2016-06-01 17:38:15 +10:00
xfs_log_cil.c xfs: allocate log vector buffers outside CIL context lock 2016-07-22 09:52:35 +10:00
xfs_log_priv.h xfs: remove transaction types 2016-04-06 09:20:36 +10:00
xfs_log_recover.c xfs: remove the extents array from the rmap update done log item 2016-08-03 12:28:43 +10:00
xfs_message.c xfs: more info from kmem deadlocks and high-level error msgs 2015-10-12 16:04:45 +11:00
xfs_message.h
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xfs_mount.c xfs: rmap btree requires more reserved free space 2016-08-03 11:38:24 +10:00
xfs_mount.h xfs: rmap btree requires more reserved free space 2016-08-03 11:38:24 +10:00
xfs_mru_cache.c xfs: xfs_mru_cache_insert() should use GFP_NOFS 2015-03-25 14:57:53 +11:00
xfs_mru_cache.h
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xfs_ondisk.h xfs: define the on-disk rmap btree format 2016-08-03 11:36:07 +10:00
xfs_pnfs.c xfs: make xfs_bmbt_to_iomap available outside of xfs_pnfs.c 2016-06-21 09:52:47 +10:00
xfs_pnfs.h xfs: abstract block export operations from nfsd layouts 2016-07-15 15:31:29 -04:00
xfs_qm.c xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_qm.h xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
xfs_qm_bhv.c xfs: move most of xfs_sb.h to xfs_format.h 2014-11-28 14:27:09 +11:00
xfs_qm_syscalls.c xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_quota.h xfs: fix quota block reservation leak when tp allocates and frees blocks 2015-06-01 07:15:37 +10:00
xfs_quotaops.c xfs: wire up Q_XGETNEXTQUOTA / get_nextdqblk 2016-02-08 11:27:38 +11:00
xfs_rmap_item.c xfs: convert RUI log formats to use variable length arrays 2016-09-19 10:24:27 +10:00
xfs_rmap_item.h xfs: convert RUI log formats to use variable length arrays 2016-09-19 10:24:27 +10:00
xfs_rtalloc.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_rtalloc.h xfs: make several functions static 2016-06-01 17:38:15 +10:00
xfs_stats.c xfs: reverse block mapping support for 4.8-rc1 2016-08-06 09:50:36 -04:00
xfs_stats.h xfs: add rmap btree stats infrastructure 2016-08-03 11:31:11 +10:00
xfs_super.c xfs: convert RUI log formats to use variable length arrays 2016-09-19 10:24:27 +10:00
xfs_super.h xfs: make several functions static 2016-06-01 17:38:15 +10:00
xfs_symlink.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_symlink.h
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xfs_sysctl.c xfs: pass xfsstats structures to handlers and macros 2015-10-12 05:19:45 +11:00
xfs_sysctl.h
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xfs_sysfs.c xfs: fix xfs_error_get_cfg for negative errnos 2016-07-20 10:48:51 +10:00
xfs_sysfs.h xfs: configurable error behavior via sysfs 2016-05-18 10:58:51 +10:00
xfs_trace.c xfs: rework xfs_bmap_free callers to use xfs_defer_ops 2016-08-03 11:15:38 +10:00
xfs_trace.h xfs: track log done items directly in the deferred pending work item 2016-08-30 13:51:39 +10:00
xfs_trans.c xfs: remove transaction types 2016-04-06 09:20:36 +10:00
xfs_trans.h xfs: remove the extents array from the rmap update done log item 2016-08-03 12:28:43 +10:00
xfs_trans_ail.c xfs: Make xfsaild freezeable again 2016-02-08 14:59:07 +11:00
xfs_trans_buf.c xfs: remove XBF_STALE flag wrapper macros 2016-02-10 15:01:11 +11:00
xfs_trans_dquot.c xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
xfs_trans_extfree.c xfs: move (and rename) the deferred bmap-free tracepoints 2016-08-03 12:31:07 +10:00
xfs_trans_inode.c xfs: move di_changecount to VFS inode 2016-02-09 16:54:58 +11:00
xfs_trans_priv.h xfs: add helper to conditionally remove items from the AIL 2015-08-19 10:01:08 +10:00
xfs_trans_rmap.c xfs: collapse single use static functions 2016-08-03 12:30:31 +10:00
xfs_xattr.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-05-27 17:14:05 -07:00