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| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2014-09-11 11:38:21 -0400 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2014-09-11 11:38:21 -0400 |
| commit | feb8c6d3dd0f2cc0e1c3376d099cf298c5f2c2c8 (patch) | |
| tree | 1f91bf01066b1a35414e4f6291fd4ff4ab47a45f /fs/ext4/super.c | |
| parent | ext4: provide separate operations for sysfs feature files (diff) | |
| download | linux-dev-feb8c6d3dd0f2cc0e1c3376d099cf298c5f2c2c8.tar.xz linux-dev-feb8c6d3dd0f2cc0e1c3376d099cf298c5f2c2c8.zip | |
jbd2: fix journal checksum feature flag handling
Clear all three journal checksum feature flags before turning on
whichever journal checksum options we want. Rearrange the error
checking so that newer flags get complained about first.
Reported-by: TR Reardon <thomas_reardon@hotmail.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 2766b8eba121..fb219b95f8d2 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3237,6 +3237,10 @@ static int set_journal_csum_feature_set(struct super_block *sb) incompat = 0; } + jbd2_journal_clear_features(sbi->s_journal, + JBD2_FEATURE_COMPAT_CHECKSUM, 0, + JBD2_FEATURE_INCOMPAT_CSUM_V3 | + JBD2_FEATURE_INCOMPAT_CSUM_V2); if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { ret = jbd2_journal_set_features(sbi->s_journal, compat, 0, @@ -3249,11 +3253,8 @@ static int set_journal_csum_feature_set(struct super_block *sb) jbd2_journal_clear_features(sbi->s_journal, 0, 0, JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT); } else { - jbd2_journal_clear_features(sbi->s_journal, - JBD2_FEATURE_COMPAT_CHECKSUM, 0, - JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT | - JBD2_FEATURE_INCOMPAT_CSUM_V3 | - JBD2_FEATURE_INCOMPAT_CSUM_V2); + jbd2_journal_clear_features(sbi->s_journal, 0, 0, + JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT); } return ret; |