| From 98c1a7593fa355fda7f5a5940c8bf5326ca964ba Mon Sep 17 00:00:00 2001 |
| From: "Darrick J. Wong" <darrick.wong@oracle.com> |
| Date: Thu, 30 Oct 2014 10:53:16 -0400 |
| Subject: ext4: enable journal checksum when metadata checksum feature enabled |
| |
| From: "Darrick J. Wong" <darrick.wong@oracle.com> |
| |
| 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.wong@oracle.com> |
| Signed-off-by: Theodore Ts'o <tytso@mit.edu> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| fs/ext4/super.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- a/fs/ext4/super.c |
| +++ b/fs/ext4/super.c |
| @@ -3498,6 +3498,10 @@ static int ext4_fill_super(struct super_ |
| #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) |
