1 ext4: enable journal checksum when metadata checksum feature enabled
3 From: "Darrick J. Wong" <darrick.wong@oracle.com>
5 If metadata checksumming is turned on for the FS, we need to tell the
6 journal to use checksumming too.
8 Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
9 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
10 Cc: stable@vger.kernel.org
12 fs/ext4/super.c | 4 ++++
13 1 file changed, 4 insertions(+)
16 diff --git a/fs/ext4/super.c b/fs/ext4/super.c
17 index 1eda6ab..5c11e21 100644
20 @@ -3526,6 +3526,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
21 #ifdef CONFIG_EXT4_FS_POSIX_ACL
22 set_opt(sb, POSIX_ACL);
24 + /* don't forget to enable journal_csum when metadata_csum is enabled. */
25 + if (ext4_has_metadata_csum(sb))
26 + set_opt(sb, JOURNAL_CHECKSUM);
28 if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_DATA)
29 set_opt(sb, JOURNAL_DATA);
30 else if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_ORDERED)