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ad747e3b29
linux/fs/xfs
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Dave Chinner ad747e3b29 xfs: Don't wrap growfs AGFL indexes 
Commit 96f859d ("libxfs: pack the agfl header structure so
XFS_AGFL_SIZE is correct") allowed the freelist to use the empty
slot at the end of the freelist on 64 bit systems that was not
being used due to sizeof() rounding up the structure size.

This has caused versions of xfs_repair prior to 4.5.0 (which also
has the fix) to report this as a corruption once the filesystem has
been grown. Older kernels can also have problems (seen from a whacky
container/vm management environment) mounting filesystems grown on a
system with a newer kernel than the vm/container it is deployed on.

To avoid this problem, change the initial free list indexes not to
wrap across the end of the AGFL, hence avoiding the initialisation
of agf_fllast to the last index in the AGFL.

cc: <stable@vger.kernel.org> # 4.4-4.5
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2016-04-06 07:06:20 +10:00
..
libxfs Merge branch 'xfs-misc-fixes-4.6-4' into for-next 2016-03-15 11:44:35 +11:00
Kconfig
kmem.c xfs: more info from kmem deadlocks and high-level error msgs 2015-10-12 16:04:45 +11:00
kmem.h kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
Makefile nfsd: add SCSI layout support 2016-03-18 11:42:53 -04:00
mrlock.h
uuid.c
uuid.h
xfs_acl.c xfs: Change how listxattr generates synthetic attributes 2015-12-06 21:34:16 -05:00
xfs_acl.h xfs: Change how listxattr generates synthetic attributes 2015-12-06 21:34:16 -05:00
xfs_aops.c xfs: Changes for 4.6-rc1 2016-03-21 11:53:05 -07:00
xfs_aops.h xfs: Changes for 4.6-rc1 2016-03-21 11:53:05 -07:00
xfs_attr_inactive.c Merge branch 'xfs-misc-fixes-for-4.2-3' into for-next 2015-06-23 08:49:01 +10:00
xfs_attr_list.c xfs: fix two memory leaks in xfs_attr_list.c error paths 2016-03-02 09:51:09 +11:00
xfs_attr.h
xfs_bmap_util.c xfs: Changes for 4.6-rc1 2016-03-21 11:53:05 -07:00
xfs_bmap_util.h xfs: Add support FALLOC_FL_INSERT_RANGE for fallocate 2015-03-25 15:08:56 +11:00
xfs_buf_item.c xfs: remove XBF_STALE flag wrapper macros 2016-02-10 15:01:11 +11:00
xfs_buf_item.h xfs: fix non-debug build warnings 2015-08-25 10:05:13 +10:00
xfs_buf.c xfs: remove XBF_DONE flag wrapper macros 2016-02-10 15:01:11 +11:00
xfs_buf.h xfs: remove XFS_BUF_ZEROFLAGS macro 2016-02-10 15:01:30 +11:00
xfs_dir2_readdir.c xfs: mode di_mode to vfs inode 2016-02-09 16:54:58 +11:00
xfs_discard.c xfs: fix format specifier , should be %llx and not %llu 2016-03-02 09:57:04 +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_dquot.c xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
xfs_dquot.h xfs: fix implicit bool to int conversion 2015-01-09 10:48:58 +11:00
xfs_error.c xfs: print name of verifier if it fails 2016-01-04 16:10:19 +11:00
xfs_error.h xfs: remove inst_t 2015-06-22 09:44:02 +10:00
xfs_export.c Various bugfixes, a RDMA update from Chuck Lever, and support for a new 2016-03-24 19:50:32 -07:00
xfs_export.h
xfs_extent_busy.c
xfs_extent_busy.h
xfs_extfree_item.c xfs: add helper to conditionally remove items from the AIL 2015-08-19 10:01:08 +10:00
xfs_extfree_item.h xfs: fix efi/efd error handling to avoid fs shutdown hangs 2015-08-19 09:51:16 +10:00
xfs_file.c Merge branch 'xfs-gut-icdinode-4.6' into for-next 2016-03-07 09:30:32 +11:00
xfs_filestream.c xfs: mode di_mode to vfs inode 2016-02-09 16:54:58 +11:00
xfs_filestream.h
xfs_fsops.c xfs: Don't wrap growfs AGFL indexes 2016-04-06 07:06:20 +10:00
xfs_fsops.h xfs: remove unused function definitions 2016-02-08 14:58:07 +11:00
xfs_globals.c
xfs_icache.c xfs: mode di_mode to vfs inode 2016-02-09 16:54:58 +11:00
xfs_icache.h
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_inode_item.c xfs: mode di_mode to vfs inode 2016-02-09 16:54:58 +11:00
xfs_inode_item.h xfs: remove timestamps from incore inode 2016-02-09 16:54:58 +11:00
xfs_inode.c Merge branch 'xfs-buf-macro-cleanup-4.6' into for-next 2016-03-07 09:31:00 +11:00
xfs_inode.h Merge branch 'xfs-gut-icdinode-4.6' into for-next 2016-03-07 09:30:32 +11:00
xfs_ioctl32.c xfs: prefix XATTR_LIST_MAX with XFS_ 2015-10-12 16:02:56 +11:00
xfs_ioctl32.h
xfs_ioctl.c Merge branch 'xfs-dax-fixes-4.6' into for-next 2016-03-07 09:34:31 +11:00
xfs_ioctl.h
xfs_iomap.c Merge branch 'xfs-misc-fixes-for-4.5-2' into for-next 2016-01-12 07:04:30 +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 Merge branch 'xfs-dax-fixes-4.6' into for-next 2016-03-07 09:34:31 +11:00
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_linux.h xfs: pass xfsstats structures to handlers and macros 2015-10-12 05:19:45 +11:00
xfs_log_cil.c xfs: close xc_cil list_empty() races with cil commit sequence 2015-07-29 11:51:01 +10:00
xfs_log_priv.h xfs: debug mode log record crc error injection 2016-01-05 07:41:16 +11:00
xfs_log_recover.c xfs: fixes for 4.5-rc7 2016-03-11 10:21:32 -08:00
xfs_log.c xfs: use named array initializers for log item dumping 2016-03-07 08:40:03 +11:00
xfs_log.h xfs: validate metadata LSNs against log on v5 superblocks 2015-10-12 15:59:25 +11:00
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
xfs_mount.c Merge branch 'xfs-misc-fixes-4.6-2' into for-next 2016-03-07 09:34:54 +11:00
xfs_mount.h Merge branch 'xfs-misc-fixes-4.6-4' into for-next 2016-03-15 11:44:35 +11:00
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
xfs_ondisk.h xfs: check sizes of XFS on-disk structures at compile time 2016-03-09 08:15:14 +11:00
xfs_pnfs.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
xfs_pnfs.h nfsd: add SCSI layout support 2016-03-18 11:42:53 -04:00
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: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
xfs_qm.c xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
xfs_qm.h xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
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_rtalloc.c xfs: remove timestamps from incore inode 2016-02-09 16:54:58 +11:00
xfs_rtalloc.h
xfs_stats.c xfs: stats are no longer dependent on CONFIG_PROC_FS 2015-10-19 08:42:46 +11:00
xfs_stats.h xfs: per-filesystem stats counter implementation 2015-10-12 18:21:22 +11:00
xfs_super.c xfs: disallow rw remount on fs with unknown ro-compat features 2016-04-06 07:05:41 +10:00
xfs_super.h xfs: fix up inode32/64 (re)mount handling 2016-03-02 09:58:09 +11:00
xfs_symlink.c xfs: eliminate committed arg from xfs_bmap_finish 2016-01-11 11:34:01 +11:00
xfs_symlink.h
xfs_sysctl.c xfs: pass xfsstats structures to handlers and macros 2015-10-12 05:19:45 +11:00
xfs_sysctl.h
xfs_sysfs.c xfs: debug mode forced buffered write failure 2016-03-15 11:42:44 +11:00
xfs_sysfs.h xfs: create global stats and stats_clear in sysfs 2015-10-12 05:15:45 +11:00
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: don't use ioends for direct write completions 2016-02-08 14:40:51 +11:00
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: ensure EFD trans aborts on log recovery extent free failure 2015-08-19 09:51:43 +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.c xfs: ensure committed is initialized in xfs_trans_roll 2016-03-15 11:42:47 +11:00
xfs_trans.h xfs: remove xfs_trans_get_block_res 2016-03-02 09:58:21 +11:00
xfs_xattr.c xfs: Change how listxattr generates synthetic attributes 2015-12-06 21:34:16 -05:00
xfs.h