From: "Darrick J. Wong" <darrick.w...@oracle.com>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit 98c1a7593fa355fda7f5a5940c8bf5326ca964ba upstream.
If metadata checksumming is turned on for the FS, we need to tell the
journal to use checksumming too.
Signed-off-by: Darrick J. Wong <darrick.w...@oracle.com>
Signed-off-by: Theodore Ts'o <ty...@mit.edu>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
fs/ext4/super.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 64a94388bc8d..6795499fefab 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3458,6 +3458,10 @@ static int ext4_fill_super(struct super_block *sb, void
*data, int silent)
#ifdef CONFIG_EXT4_FS_POSIX_ACL
set_opt(sb, POSIX_ACL);
#endif
+ /* don't forget to enable journal_csum when metadata_csum is enabled. */
+ if (ext4_has_metadata_csum(sb))
+ set_opt(sb, JOURNAL_CHECKSUM);
+
if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_DATA)
set_opt(sb, JOURNAL_DATA);
else if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_ORDERED)
--
2.1.3
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