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4ab9ed578e
linux/fs/xfs
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Dave Chinner 4ab9ed578e xfs: kill buffers over failed write ranges properly 
When a write fails, if we don't clear the delalloc flags from the
buffers over the failed range, they can persist beyond EOF and cause
problems. writeback will see the pages in the page cache, see they
are dirty and continually retry the write, assuming that the page
beyond EOF is just racing with a truncate. The page will eventually
be released due to some other operation (e.g. direct IO), and it
will not pass through invalidation because it is dirty. Hence it
will be released with buffer_delay set on it, and trigger warnings
in xfs_vm_releasepage() and assert fail in xfs_file_aio_write_direct
because invalidation failed and we didn't write the corect amount.

This causes failures on block size < page size filesystems in fsx
and fsstress workloads run by xfstests.

Fix it by completely trashing any state on the buffer that could be
used to imply that it contains valid data when the delalloc range
over the buffer is punched out during the failed write handling.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Tested-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-04-14 18:11:58 +10:00
..
Kconfig xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
kmem.c xfs: use NOIO contexts for vm_map_ram 2014-03-07 16:19:14 +11:00
kmem.h xfs: simplify kmem_{zone_}zalloc 2013-11-06 16:31:27 -06:00
Makefile xfs: abstract the differences in dir2/dir3 via an ops vector 2013-10-30 13:37:38 -05:00
mrlock.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
time.h
uuid.c
uuid.h xfs: add CRC infrastructure 2012-11-19 20:11:24 -06:00
xfs_acl.c xfs: return -E2BIG if hit the maximum size limits of ACLs 2014-02-07 15:26:11 +11:00
xfs_acl.h xfs: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00
xfs_ag.h xfs: Use defines for CRC offsets in all cases 2014-02-27 15:15:27 +11:00
xfs_alloc_btree.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_alloc_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_alloc.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_alloc.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_aops.c xfs: kill buffers over failed write ranges properly 2014-04-14 18:11:58 +10:00
xfs_aops.h direct-io: Implement generic deferred AIO completions 2013-09-04 09:23:46 -04:00
xfs_attr_inactive.c xfs: vectorise encoding/decoding directory headers 2013-10-30 13:47:22 -05:00
xfs_attr_leaf.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_attr_leaf.h xfs: unify directory/attribute format definitions 2013-10-23 14:21:40 -05:00
xfs_attr_list.c xfs: use xfs_ilock_attr_map_shared in xfs_attr_list_int 2013-12-18 16:08:04 -06:00
xfs_attr_remote.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_attr_remote.h xfs: unify directory/attribute format definitions 2013-10-23 14:21:40 -05:00
xfs_attr_sf.h
xfs_attr.c xfs: use xfs_ilock_attr_map_shared in xfs_attr_get 2013-12-18 16:07:09 -06:00
xfs_attr.h xfs: kill xfs_vnodeops.[ch] 2013-08-12 16:53:39 -05:00
xfs_bit.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_bit.h
xfs_bmap_btree.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_bmap_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_bmap_util.c xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate 2014-02-24 10:58:19 +11:00
xfs_bmap_util.h xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate 2014-02-24 10:58:19 +11:00
xfs_bmap.c xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate 2014-02-24 10:58:19 +11:00
xfs_bmap.h xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate 2014-02-24 10:58:19 +11:00
xfs_btree.c xfs: add helper for updating checksums on xfs_bufs 2014-02-27 15:18:23 +11:00
xfs_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_buf_item.c xfs: remove XFS_TRANS_DEBUG dead code 2014-02-07 15:26:11 +11:00
xfs_buf_item.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_buf.c xfs: use NOIO contexts for vm_map_ram 2014-03-07 16:19:14 +11:00
xfs_buf.h xfs: add helper for updating checksums on xfs_bufs 2014-02-27 15:18:23 +11:00
xfs_cksum.h xfs: add CRC infrastructure 2012-11-19 20:11:24 -06:00
xfs_da_btree.c Merge branch 'xfs-bug-fixes-for-3.15-3' into for-next 2014-04-04 08:07:35 +11:00
xfs_da_btree.h xfs: abstract the differences in dir2/dir3 via an ops vector 2013-10-30 13:37:38 -05:00
xfs_da_format.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_da_format.h xfs: convert directory vector functions to constants 2013-10-30 13:48:41 -05:00
xfs_dinode.h xfs: Use defines for CRC offsets in all cases 2014-02-27 15:15:27 +11:00
xfs_dir2_block.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_dir2_data.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_dir2_leaf.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_dir2_node.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_dir2_priv.h xfs: vectorise encoding/decoding directory headers 2013-10-30 13:47:22 -05:00
xfs_dir2_readdir.c xfs: reinstate the ilock in xfs_readdir 2013-12-18 15:52:36 -06:00
xfs_dir2_sf.c xfs: xfs_dir2_block_to_sf temp buffer allocation fails 2013-12-11 14:59:20 -06:00
xfs_dir2.c xfs: allocate xfs_da_args to reduce stack footprint 2014-02-27 16:51:26 +11:00
xfs_dir2.h xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_discard.c xfs: don't perform discard if the given range length is less than block size 2013-12-10 10:00:33 -06:00
xfs_discard.h
xfs_dquot_buf.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_dquot_item.c xfs: remove the quotaoff log format from the quotaoff log item 2013-12-13 11:34:08 +11:00
xfs_dquot_item.h xfs: remove the quotaoff log format from the quotaoff log item 2013-12-13 11:34:08 +11:00
xfs_dquot.c xfs: use tr_qm_dqalloc log reservation for dquot alloc 2014-02-07 14:55:54 +11:00
xfs_dquot.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_error.c xfs: print useful caller information in xfs_error_report 2014-02-27 15:21:37 +11:00
xfs_error.h xfs: add xfs_verifier_error() 2014-02-27 15:21:07 +11:00
xfs_export.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_export.h
xfs_extent_busy.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_extent_busy.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_extfree_item.c xfs: format log items write directly into the linear CIL buffer 2013-12-13 11:34:02 +11:00
xfs_extfree_item.h xfs: split out EFI/EFD log item format definition 2013-08-12 16:07:13 -05:00
xfs_file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-04-12 14:49:50 -07:00
xfs_filestream.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_filestream.h xfs: xfs_filestreams.h doesn't need __KERNEL__ 2013-08-12 17:00:11 -05:00
xfs_format.h xfs: Use defines for CRC offsets in all cases 2014-02-27 15:15:27 +11:00
xfs_fs.h xfs: add the inode directory type support to XFS_IOC_FSGEOM 2013-10-08 14:28:09 -05:00
xfs_fsops.c xfs: growfs overruns AGFL buffer on V4 filesystems 2013-12-10 10:04:27 -06:00
xfs_fsops.h
xfs_globals.c xfs: add background scanning to clear eofblocks inodes 2012-11-08 15:34:59 -06:00
xfs_ialloc_btree.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_ialloc_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_ialloc.c Merge branch 'xfs-bug-fixes-for-3.15-2' into for-next 2014-03-13 19:13:05 +11:00
xfs_ialloc.h xfs: introduce a common helper xfs_icluster_size_fsb 2013-12-13 15:51:48 +11:00
xfs_icache.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_icache.h xfs: update #2 for v3.12-rc1 2013-09-12 16:13:41 -07:00
xfs_icreate_item.c xfs: format log items write directly into the linear CIL buffer 2013-12-13 11:34:02 +11:00
xfs_icreate_item.h xfs: separate icreate log format definitions from xfs_icreate_item.h 2013-08-12 16:10:35 -05:00
xfs_inode_buf.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_inode_buf.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_inode_fork.c Merge branch 'xfs-extent-list-locking-fixes' into for-next 2014-01-09 16:03:18 -06:00
xfs_inode_fork.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_inode_item.c xfs: remove the inode log format from the inode log item 2013-12-13 11:34:05 +11:00
xfs_inode_item.h xfs: remove the inode log format from the inode log item 2013-12-13 11:34:05 +11:00
xfs_inode.c Merge branch 'xfs-O_TMPFILE-support' into for-next 2014-03-13 19:14:43 +11:00
xfs_inode.h Merge branch 'xfs-O_TMPFILE-support' into for-next 2014-03-13 19:14:43 +11:00
xfs_inum.h xfs: move xfsagino_t to xfs_types.h 2012-05-14 16:20:54 -05:00
xfs_ioctl32.c xfs: underflow bug in xfs_attrlist_by_handle() 2013-12-10 09:59:37 -06:00
xfs_ioctl32.h
xfs_ioctl.c new helper: readlink_copy() 2014-04-01 23:19:15 -04:00
xfs_ioctl.h xfs: consolidate extent swap code 2013-08-12 16:56:06 -05:00
xfs_iomap.c xfs: always use unwritten extents for direct I/O writes 2014-02-10 10:27:43 +11:00
xfs_iomap.h xfs: get rid of count from xfs_iomap_write_allocate() 2013-10-01 15:42:34 -05:00
xfs_iops.c Merge branch 'xfs-O_TMPFILE-support' into for-next 2014-03-13 19:14:43 +11:00
xfs_iops.h xfs: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00
xfs_itable.c xfs: use xfs_icluster_size_fsb in xfs_bulkstat 2013-12-13 15:51:48 +11:00
xfs_itable.h
xfs_linux.h xfs: add xfs_verifier_error() 2014-02-27 15:21:07 +11:00
xfs_log_cil.c Merge branch 'xfs-stack-fixes' into for-next 2014-03-13 19:12:13 +11:00
xfs_log_format.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_log_priv.h xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_log_recover.c Merge branch 'xfs-for-linus-v3.13-rc5' into for-next 2013-12-18 10:36:58 -06:00
xfs_log_recover.h
xfs_log_rlimit.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_log.c xfs: trace AIL manipulations 2013-11-06 12:41:51 -06:00
xfs_log.h xfs: convert xfs_log_commit_cil() to void 2014-02-07 15:26:07 +11:00
xfs_message.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_message.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_mount.c Merge branch 'xfs-bug-fixes-for-3.15-2' into for-next 2014-03-13 19:13:05 +11:00
xfs_mount.h xfs: increase inode cluster size for v5 filesystems 2013-11-18 09:29:36 -06:00
xfs_mru_cache.c
xfs_mru_cache.h
xfs_qm_bhv.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_qm_syscalls.c xfs: make quota metadata truncation behavior consistent to user space 2013-12-06 14:06:15 -06:00
xfs_qm.c xfs: use xfs_ilock_data_map_shared in xfs_qm_dqiterate 2013-12-18 16:06:38 -06:00
xfs_qm.h xfs: integrate xfs_quota_priv header file to xfs_qm 2013-12-06 14:16:33 -06:00
xfs_quota_defs.h xfs: split dquot buffer operations out 2013-10-23 14:28:35 -05:00
xfs_quota.h xfs: split dquot buffer operations out 2013-10-23 14:28:35 -05:00
xfs_quotaops.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_rtalloc.c xfs: use tr_growrtalloc for growing rt files 2014-02-07 14:53:50 +11:00
xfs_rtalloc.h xfs: split xfs_rtalloc.c for userspace sanity 2013-10-23 17:16:32 -05:00
xfs_rtbitmap.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_sb.c Merge branch 'xfs-verifier-cleanup' into for-next 2014-03-13 19:12:33 +11:00
xfs_sb.h xfs: Use defines for CRC offsets in all cases 2014-02-27 15:15:27 +11:00
xfs_shared.h xfs: add O_TMPFILE support 2014-01-06 13:50:06 -06:00
xfs_stats.c xfs: use common code for quota statistics 2012-03-14 11:09:06 -05:00
xfs_stats.h xfs: use common code for quota statistics 2012-03-14 11:09:06 -05:00
xfs_super.c Major changes for 3.14 include support for the newly added ZERO_RANGE 2014-04-04 15:39:39 -07:00
xfs_super.h xfs: xfs_sync_data is redundant. 2012-10-17 12:01:25 -05:00
xfs_symlink_remote.c xfs: modify verifiers to differentiate CRC from other errors 2014-02-27 15:23:10 +11:00
xfs_symlink.c Merge branch 'xfs-O_TMPFILE-support' into for-next 2014-03-13 19:14:43 +11:00
xfs_symlink.h xfs: push down inactive transaction mgmt for remote symlinks 2013-10-08 14:53:02 -05:00
xfs_sysctl.c xfs: Convert use of typedef ctl_table to struct ctl_table 2013-06-17 17:42:25 -05:00
xfs_sysctl.h xfs: add background scanning to clear eofblocks inodes 2012-11-08 15:34:59 -06:00
xfs_trace.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trace.h xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate 2014-02-24 10:58:19 +11:00
xfs_trans_ail.c xfs: trace AIL manipulations 2013-11-06 12:41:51 -06:00
xfs_trans_buf.c xfs: don't leak EFSBADCRC to userspace 2014-03-07 16:19:14 +11:00
xfs_trans_dquot.c xfs: fix the comment explaining xfs_trans_dqlockedjoin 2013-12-04 14:26:57 -06:00
xfs_trans_extfree.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_trans_inode.c xfs: open code inc_inode_iversion when logging an inode 2013-11-18 09:42:08 -06:00
xfs_trans_priv.h xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_trans_resv.c Merge branch 'xfs-O_TMPFILE-support' into for-next 2014-03-13 19:14:43 +11:00
xfs_trans_resv.h Merge branch 'xfs-O_TMPFILE-support' into for-next 2014-03-13 19:14:43 +11:00
xfs_trans_space.h xfs: get rid of XFS_IALLOC_BLOCKS macros 2013-12-13 15:51:48 +11:00
xfs_trans.c xfs: convert xfs_log_commit_cil() to void 2014-02-07 15:26:07 +11:00
xfs_trans.h xfs: format log items write directly into the linear CIL buffer 2013-12-13 11:34:02 +11:00
xfs_types.h xfs: Add read-only support for dirent filetype field 2013-08-22 08:40:24 -05:00
xfs_vnode.h xfs: remove unused FI_ flags 2013-12-04 14:11:05 -06:00
xfs_xattr.c xfs: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00
xfs.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00