Dave Chinner 5885ebda87 xfs: ensure truncate forces zeroed blocks to disk ... A new fsync vs power fail test in xfstests indicated that XFS can have unreliable data consistency when doing extending truncates that require block zeroing. The blocks beyond EOF get zeroed in memory, but we never force those changes to disk before we run the transaction that extends the file size and exposes those blocks to userspace. This can result in the blocks not being correctly zeroed after a crash. Because in-memory behaviour is correct, tools like fsx don't pick up any coherency problems - it's not until the filesystem is shutdown or the system crashes after writing the truncate transaction to the journal but before the zeroed data in the page cache is flushed that the issue is exposed. Fix this by also flushing the dirty data in memory region between the old size and new size when we've found blocks that need zeroing in the truncate process. Reported-by: Liu Bo <bo.li.liu@oracle.com> cc: <stable@vger.kernel.org> Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>		2015-02-23 22:37:08 +11:00
..
libxfs	Merge branch 'xfs-buf-type-fixes' into for-next	2015-01-22 09:51:30 +11:00
Kconfig	xfs: require 64-bit sector_t	2014-07-30 09:12:05 +10:00
kmem.c	xfs: change kmem_free to use generic kvfree()	2015-02-02 09:54:18 +11:00
kmem.h	xfs: change kmem_free to use generic kvfree()	2015-02-02 09:54:18 +11:00
Makefile	xfs: implement pNFS export operations	2015-02-16 11:49:23 +11:00
mrlock.h	xfs: introduce CONFIG_XFS_WARN	2013-05-07 18:45:36 -05:00
uuid.c
uuid.h	xfs: add CRC infrastructure	2012-11-19 20:11:24 -06:00
xfs_acl.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_acl.h	xfs: move acl structures to xfs_format.h	2014-11-28 14:24:37 +11:00
xfs_aops.c	xfs: don't allocate an ioend for direct I/O completions	2015-02-02 10:02:09 +11:00
xfs_aops.h	xfs: don't allocate an ioend for direct I/O completions	2015-02-02 10:02:09 +11:00
xfs_attr_inactive.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_attr_list.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
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_bmap_util.c	Merge branch 'xfs-consolidate-format-defs' into for-next	2014-11-28 14:52:16 +11:00
xfs_bmap_util.h	xfs: move xfs_bmap_finish prototype	2015-01-09 10:47:14 +11:00
xfs_buf_item.c	Merge branch 'xfs-buf-type-fixes' into for-next	2015-01-22 09:51:30 +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	list_lru: add helpers to isolate items	2015-02-12 18:54:10 -08:00
xfs_buf.h	xfs: split metadata and log buffer completion to separate workqueues	2014-12-04 09:43:17 +11:00
xfs_dir2_readdir.c	Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next	2014-12-04 09:46:17 +11:00
xfs_discard.c	xfs: merge xfs_ag.h into xfs_format.h	2014-11-28 14:25:04 +11:00
xfs_discard.h
xfs_dquot_item.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +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: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_dquot.h	xfs: fix implicit bool to int conversion	2015-01-09 10:48:58 +11:00
xfs_error.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_error.h	xfs: global error sign conversion	2014-06-25 14:58:08 +10:00
xfs_export.c	xfs: implement pNFS export operations	2015-02-16 11:49:23 +11:00
xfs_export.h
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	xfs: decouple inode and bmap btree header files	2013-10-23 16:28:49 -05:00
xfs_extfree_item.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +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	xfs: ensure truncate forces zeroed blocks to disk	2015-02-23 22:37:08 +11:00
xfs_filestream.c	xfs: merge xfs_inum.h into xfs_format.h	2014-11-28 14:27:10 +11:00
xfs_filestream.h	xfs: add filestream allocator tracepoints	2014-04-23 07:11:52 +10:00
xfs_fsops.c	xfs: implement pNFS export operations	2015-02-16 11:49:23 +11:00
xfs_fsops.h
xfs_globals.c	xfs: export log_recovery_delay to delay mount time log recovery	2014-09-09 11:56:13 +10:00
xfs_icache.c	Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next	2014-12-04 09:46:17 +11:00
xfs_icache.h	xfs: merge xfs_ag.h into xfs_format.h	2014-11-28 14:25:04 +11:00
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	xfs: separate icreate log format definitions from xfs_icreate_item.h	2013-08-12 16:10:35 -05:00
xfs_inode_item.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +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-buf-type-fixes' into for-next	2015-01-22 09:51:30 +11:00
xfs_inode.h	xfs: ensure truncate forces zeroed blocks to disk	2015-02-23 22:37:08 +11:00
xfs_ioctl32.c	xfs: remove incorrect error negation in attr_multi ioctl	2015-01-22 10:04:24 +11:00
xfs_ioctl32.h	xfs: compat_xfs_bstat does not have forkoff	2014-10-02 09:17:58 +10:00
xfs_ioctl.c	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-02-22 17:42:14 -08:00
xfs_ioctl.h	xfs: consolidate extent swap code	2013-08-12 16:56:06 -05:00
xfs_iomap.c	xfs: pass a 64-bit count argument to xfs_iomap_write_unwritten	2015-01-09 10:48:12 +11:00
xfs_iomap.h	xfs: pass a 64-bit count argument to xfs_iomap_write_unwritten	2015-01-09 10:48:12 +11:00
xfs_iops.c	xfs: ensure truncate forces zeroed blocks to disk	2015-02-23 22:37:08 +11:00
xfs_iops.h	xfs: implement pNFS export operations	2015-02-16 11:49:23 +11:00
xfs_itable.c	Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next	2014-12-04 09:46:17 +11:00
xfs_itable.h	xfs: bulkstat chunk formatting cursor is broken	2014-11-07 08:30:30 +11:00
xfs_linux.h	xfs: merge xfs_dinode.h into xfs_format.h	2014-11-28 14:24:06 +11:00
xfs_log_cil.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_log_priv.h	xfs: add xlog sysfs kobject and attribute handlers	2014-07-15 08:07:29 +10:00
xfs_log_recover.c	Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next	2014-12-04 09:46:17 +11:00
xfs_log.c	Merge branch 'xfs-sb-logging-rework' into for-next	2015-01-22 09:20:53 +11:00
xfs_log.h	xfs: log vector rounding leaks log space	2014-05-20 08:18:09 +10:00
xfs_message.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_message.h	xfs: introduce CONFIG_XFS_WARN	2013-05-07 18:45:36 -05:00
xfs_mount.c	xfs: sanitise sb_bad_features2 handling	2015-01-22 09:10:33 +11:00
xfs_mount.h	xfs: implement pNFS export operations	2015-02-16 11:49:23 +11:00
xfs_mru_cache.c	xfs: mark all internal workqueues as freezable	2014-09-09 11:44:46 +10:00
xfs_mru_cache.h	xfs: embedd mru_elem into parent structure	2014-04-23 07:11:51 +10:00
xfs_pnfs.c	xfs: recall pNFS layouts on conflicting access	2015-02-16 11:59:50 +11:00
xfs_pnfs.h	xfs: recall pNFS layouts on conflicting access	2015-02-16 11:59:50 +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: update for 3.20-rc1	2015-02-10 16:15:17 -08:00
xfs_qm.c	xfs: Fix quota type in quota structures when reusing quota file	2015-02-23 22:34:17 +11:00
xfs_qm.h	xfs: update for 3.20-rc1	2015-02-10 16:15:17 -08:00
xfs_quota.h	xfs: split dquot buffer operations out	2013-10-23 14:28:35 -05:00
xfs_quotaops.c	quota: Split ->set_xstate callback into two	2015-01-30 12:49:40 +01:00
xfs_rtalloc.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_rtalloc.h	xfs: combine xfs_rtmodify_summary and xfs_rtget_summary	2014-09-09 11:58:42 +10:00
xfs_stats.c	xfs: support the XFS_BTNUM_FINOBT free inode btree type	2014-04-24 16:00:52 +10:00
xfs_stats.h	xfs: support the XFS_BTNUM_FINOBT free inode btree type	2014-04-24 16:00:52 +10:00
xfs_super.c	fs: consolidate {nr,free}_cached_objects args in shrink_control	2015-02-12 18:54:08 -08:00
xfs_super.h	xfs: require 64-bit sector_t	2014-07-30 09:12:05 +10:00
xfs_symlink.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +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: remove deprecated sysctls	2015-01-09 10:47:43 +11:00
xfs_sysctl.h	xfs: export log_recovery_delay to delay mount time log recovery	2014-09-09 11:56:13 +10:00
xfs_sysfs.c	xfs: export log_recovery_delay to delay mount time log recovery	2014-09-09 11:56:13 +10:00
xfs_sysfs.h	xfs: add debug sysfs attribute set	2014-09-09 11:52:42 +10:00
xfs_trace.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_trace.h	xfs: introduce xfs_buf_submit[_wait]	2014-10-02 09:05:14 +10:00
xfs_trans_ail.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_trans_buf.c	xfs: only trace buffer items if they exist	2015-02-10 09:23:40 +11:00
xfs_trans_dquot.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_trans_extfree.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_trans_inode.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs_trans_priv.h	xfs: remove unused ail pointer arg from xfs_trans_ail_cursor_done()	2014-04-14 19:06:05 +10:00
xfs_trans.c	xfs: set superblock buffer type correctly	2015-01-22 09:30:23 +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_xattr.c	xfs: move most of xfs_sb.h to xfs_format.h	2014-11-28 14:27:09 +11:00
xfs.h	xfs: introduce CONFIG_XFS_WARN	2013-05-07 18:45:36 -05:00