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10e6e65dfc
linux/fs/xfs
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Eric Sandeen 10e6e65dfc xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields 
Today, if xfs_sb_read_verify encounters a v4 superblock
with junk past v4 fields which includes data in sb_crc,
it will be treated as a failing checksum and a significant
corruption.

There are known prior bugs which leave junk at the end
of the V4 superblock; we don't need to actually fail the
verification in this case if other checks pan out ok.

So if this is a secondary superblock, and the primary
superblock doesn't indicate that this is a V5 filesystem,
don't treat this as an actual checksum failure.

We should probably check the garbage condition as
we do in xfs_repair, and possibly warn about it
or self-heal, but that's a different scope of work.

Stable folks: This can go back to v3.10, which is what
introduced the sb CRC checking that is tripped up by old,
stale, incorrect V4 superblocks w/ unzeroed bits.

Cc: stable@vger.kernel.org
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Acked-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-10-30 16:38:29 -05:00
..
Kconfig
kmem.c xfs: factor all the kmalloc-or-vmalloc fallback allocations 2013-09-10 13:57:03 -05:00
kmem.h xfs: factor all the kmalloc-or-vmalloc fallback allocations 2013-09-10 13:57:03 -05:00
Makefile xfs: abstract the differences in dir2/dir3 via an ops vector 2013-10-30 13:37:38 -05:00
mrlock.h
time.h
uuid.c
uuid.h
xfs_acl.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_acl.h
xfs_ag.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_alloc_btree.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_alloc_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_alloc.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: prevent stack overflows from page cache allocation 2013-10-30 15:44:51 -05:00
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: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_attr_leaf.h xfs: unify directory/attribute format definitions 2013-10-23 14:21:40 -05:00
xfs_attr_list.c xfs: vectorise encoding/decoding directory headers 2013-10-30 13:47:22 -05:00
xfs_attr_remote.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
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: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
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: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_bmap_util.h xfs: fold xfs_change_file_space into xfs_ioc_space 2013-10-21 16:57:03 -05:00
xfs_bmap.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_bmap.h xfs: remove __KERNEL__ from debug code 2013-08-12 16:58:37 -05:00
xfs_btree.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_buf_item.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_buf_item.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_buf.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_buf.h xfs: rework buffer dispose list tracking 2013-09-10 18:56:31 -04:00
xfs_cksum.h
xfs_da_btree.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
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_dir2_block.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2_data.c xfs: validity check the directory block leaf entry count 2013-10-30 13:57:14 -05:00
xfs_dir2_leaf.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2_node.c xfs:xfs_dir2_node.c: pointer use before check for null 2013-10-30 15:53:14 -05:00
xfs_dir2_priv.h xfs: vectorise encoding/decoding directory headers 2013-10-30 13:47:22 -05:00
xfs_dir2_readdir.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2_sf.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2.h xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_discard.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_discard.h
xfs_dquot_buf.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_dquot_item.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_dquot_item.h
xfs_dquot.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_error.h
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: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_extfree_item.h
xfs_file.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_fsops.h
xfs_globals.c
xfs_ialloc_btree.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_ialloc_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_ialloc.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_ialloc.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_icreate_item.h
xfs_inode_buf.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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 xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_inode_item.h
xfs_inode.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_inode.h xfs: abstract the differences in dir2/dir3 via an ops vector 2013-10-30 13:37:38 -05:00
xfs_inum.h
xfs_ioctl32.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_ioctl32.h
xfs_ioctl.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_ioctl.h xfs: consolidate extent swap code 2013-08-12 16:56:06 -05:00
xfs_iomap.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: prevent stack overflows from page cache allocation 2013-10-30 15:44:51 -05:00
xfs_iops.h xfs: fold xfs_change_file_space into xfs_ioc_space 2013-10-21 16:57:03 -05:00
xfs_itable.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_itable.h
xfs_linux.h xfs: remove two unused macro definitions in xfs_linux.h 2013-08-20 15:30:23 -05:00
xfs_log_cil.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
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 xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: fix possible NULL dereference in xlog_verify_iclog 2013-10-30 16:01:00 -05:00
xfs_log.h xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_message.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_message.h
xfs_mount.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_mount.h xfs: vectorise DA btree operations 2013-10-30 13:43:28 -05:00
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: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_qm.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_qm.h xfs: split dquot buffer operations out 2013-10-23 14:28:35 -05:00
xfs_quota_defs.h xfs: split dquot buffer operations out 2013-10-23 14:28:35 -05:00
xfs_quota_priv.h
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: split xfs_rtalloc.c for userspace sanity 2013-10-23 17:16:32 -05:00
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 xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields 2013-10-30 16:38:29 -05:00
xfs_sb.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_shared.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_stats.c
xfs_stats.h
xfs_super.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_super.h
xfs_symlink_remote.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_symlink.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_symlink.h xfs: push down inactive transaction mgmt for remote symlinks 2013-10-08 14:53:02 -05:00
xfs_sysctl.c
xfs_sysctl.h
xfs_trace.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trace.h
xfs_trans_ail.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_trans_buf.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans_dquot.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans_extfree.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_trans_inode.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans_priv.h xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_trans_resv.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans_resv.h xfs: Get rid of all XFS_XXX_LOG_RES() macro 2013-08-12 17:48:08 -05:00
xfs_trans_space.h
xfs_trans.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_types.h xfs: Add read-only support for dirent filetype field 2013-08-22 08:40:24 -05:00
xfs_vnode.h xfs: clean up xfs_inactive() error handling, kill VN_INACTIVE_[NO]CACHE 2013-10-08 17:20:41 -05:00
xfs_xattr.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs.h