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04dd1a0d4b17a71220eae4fb313218f15a49bcdd
android_kernel_xiaomi_sm8450/fs/xfs
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Eric Sandeen 04dd1a0d4b xfs: fix crc field handling in xfs_sb_to/from_disk 
I discovered this in userspace, but the same change applies
to the kernel.

If we xfs_mdrestore an image from a non-crc filesystem, lo
and behold the restored image has gained a CRC:

# db/xfs_metadump.sh -o /dev/sdc1 - | xfs_mdrestore - test.img
# xfs_db -c "sb 0" -c "p crc" /dev/sdc1
crc = 0 (correct)
# xfs_db -c "sb 0" -c "p crc" test.img
crc = 0xb6f8d6a0 (correct)

This is because xfs_sb_from_disk doesn't fill in sb_crc,
but xfs_sb_to_disk(XFS_SB_ALL_BITS) does write the in-memory
CRC to disk - so we get uninitialized memory on disk.

Fix this by always initializing sb_crc to 0 when we read
the superblock, and masking out the CRC bit from ALL_BITS
when we write it.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-10-02 09:24:11 +10:00
..
libxfs
xfs: fix crc field handling in xfs_sb_to/from_disk
2014-10-02 09:24:11 +10:00
Kconfig
xfs: require 64-bit sector_t
2014-07-30 09:12:05 +10:00
kmem.c
xfs: kill time.h
2014-10-02 09:18:13 +10:00
kmem.h
xfs: simplify kmem_{zone_}zalloc
2013-11-06 16:31:27 -06:00
Makefile
xfs: add xfs_mount sysfs kobject
2014-07-15 08:07:01 +10:00
mrlock.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
uuid.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
uuid.h
xfs: add CRC infrastructure
2012-11-19 20:11:24 -06:00
xfs_acl.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_acl.h
xfs: use generic posix ACL infrastructure
2014-01-25 23:58:21 -05:00
xfs_aops.c
xfs: global error sign conversion
2014-06-25 14:58:08 +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: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_attr_list.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
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
xfs: xfs_swap_extent_flush can be static
2014-09-23 16:20:11 +10:00
xfs_bmap_util.h
xfs: refine the allocation stack switch
2014-07-15 07:08:24 +10:00
xfs_buf_item.c
xfs: xfs_buf_write_fail_rl_state can be static
2014-09-23 16:15:45 +10:00
xfs_buf_item.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_buf.c
xfs: mark all internal workqueues as freezable
2014-09-09 11:44:46 +10:00
xfs_buf.h
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_dir2_readdir.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_discard.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_discard.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
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: quotacheck leaves dquot buffers without verifiers
2014-08-04 12:43:26 +10:00
xfs_dquot.h
xfs: run an eofblocks scan on ENOSPC/EDQUOT
2014-07-24 19:49:28 +10:00
xfs_error.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_error.h
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_export.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_export.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
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: global error sign conversion
2014-06-25 14:58:08 +10:00
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: lseek: the "whence" argument is called "whence"
2014-09-09 11:57:10 +10:00
xfs_filestream.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_filestream.h
xfs: add filestream allocator tracepoints
2014-04-23 07:11:52 +10:00
xfs_fs.h
Merge branch 'xfs-misc-fixes-3.17-1' into for-next
2014-08-04 13:54:14 +10:00
xfs_fsops.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_fsops.h
xfs: ensure log covering transactions are synchronous
2011-01-11 20:28:17 -06:00
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
xfs: remove second xfs_quota.h inclusion in xfs_icache.c
2014-09-23 16:05:55 +10:00
xfs_icache.h
xfs: run an eofblocks scan on ENOSPC/EDQUOT
2014-07-24 19:49:28 +10:00
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_item.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
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
xfs: project id inheritance is a directory only flag
2014-10-02 09:18:40 +10:00
xfs_inode.h
xfs: check for inode size overflow in xfs_new_eof()
2014-10-02 09:21:53 +10:00
xfs_ioctl32.c
xfs: compat_xfs_bstat does not have forkoff
2014-10-02 09:17:58 +10:00
xfs_ioctl32.h
xfs: compat_xfs_bstat does not have forkoff
2014-10-02 09:17:58 +10:00
xfs_ioctl.c
xfs: only set extent size hint when asked
2014-10-02 09:20:30 +10:00
xfs_ioctl.h
xfs: consolidate extent swap code
2013-08-12 16:56:06 -05:00
xfs_iomap.c
Merge branch 'xfs-quota-eofblocks-scan' into for-next
2014-08-04 13:53:47 +10:00
xfs_iomap.h
xfs: get rid of count from xfs_iomap_write_allocate()
2013-10-01 15:42:34 -05:00
xfs_iops.c
xfs: flush entire last page of old EOF on truncate up
2014-09-23 22:55:00 +10:00
xfs_iops.h
xfs: use generic posix ACL infrastructure
2014-01-25 23:58:21 -05:00
xfs_itable.c
xfs: introduce xfs_bulkstat_ag_ichunk
2014-08-04 11:22:31 +10:00
xfs_itable.h
xfs: introduce xfs_bulkstat_ag_ichunk
2014-08-04 11:22:31 +10:00
xfs_linux.h
xfs: kill time.h
2014-10-02 09:18:13 +10:00
xfs_log_cil.c
xfs: xlog_cil_force_lsn doesn't always wait correctly
2014-09-23 15:57:59 +10:00
xfs_log_priv.h
xfs: add xlog sysfs kobject and attribute handlers
2014-07-15 08:07:29 +10:00
xfs_log_recover.c
xfs: deduplicate xlog_do_recovery_pass()
2014-09-09 11:57:29 +10:00
xfs_log.c
Merge branch 'xfs-misc-fixes-3.17-2' into for-next
2014-08-04 13:55:27 +10:00
xfs_log.h
xfs: log vector rounding leaks log space
2014-05-20 08:18:09 +10:00
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-misc-fixes-3.17-2' into for-next
2014-08-04 13:55:27 +10:00
xfs_mount.h
xfs: add xfs_mount sysfs kobject
2014-07-15 08:07:01 +10:00
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_qm_bhv.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_qm_syscalls.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_qm.c
Merge branch 'xfs-misc-fixes-3.17-2' into for-next
2014-08-04 13:55:27 +10:00
xfs_qm.h
xfs: mark xfs_qm_quotacheck as static
2014-07-24 20:49:57 +10:00
xfs_quota.h
xfs: split dquot buffer operations out
2013-10-23 14:28:35 -05:00
xfs_quotaops.c
xfs: fix uflags detection at xfs_fs_rm_xquota
2014-07-24 21:27:17 +10:00
xfs_rtalloc.c
xfs: xfs_rtget_summary can be static
2014-09-23 16:11:43 +10:00
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
xfs: add debug sysfs attribute set
2014-09-09 11:52:42 +10:00
xfs_super.h
xfs: require 64-bit sector_t
2014-07-30 09:12:05 +10:00
xfs_symlink.c
xfs: check resblks before calling xfs_dir_canenter
2014-09-09 11:57:52 +10:00
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: 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: add filestream allocator tracepoints
2014-04-23 07:11:52 +10:00
xfs_trace.h
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
xfs_trans_ail.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_trans_buf.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_trans_dquot.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_trans_extfree.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_trans_inode.c
xfs: kill time.h
2014-10-02 09:18:13 +10:00
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: global error sign conversion
2014-06-25 14:58:08 +10:00
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: require 64-bit sector_t
2014-07-30 09:12:05 +10:00
xfs_xattr.c
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00