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ext4: preserve the needs_recovery flag when the journal is aborted

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If the journal is aborted, the needs_recovery feature flag should not
be removed.  Otherwise, it's the journal might not get replayed and
this could lead to more data getting lost.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
This commit is contained in:
Theodore Ts'o 2017-02-04 23:38:06 -05:00
parent e112666b49
commit 97abd7d4b5
1 changed files with 4 additions and 2 deletions
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6
fs/ext4/super.c
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@ -825,6 +825,7 @@ static void ext4_put_super(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
int aborted = 0;
int i, err;
ext4_unregister_li_request(sb);
@ -834,9 +835,10 @@ static void ext4_put_super(struct super_block *sb)
destroy_workqueue(sbi->rsv_conversion_wq);
if (sbi->s_journal) {
aborted = is_journal_aborted(sbi->s_journal);
err = jbd2_journal_destroy(sbi->s_journal);
sbi->s_journal = NULL;
if (err < 0)
if ((err < 0) && !aborted)
ext4_abort(sb, "Couldn't clean up the journal");
}
@ -847,7 +849,7 @@ static void ext4_put_super(struct super_block *sb)
ext4_mb_release(sb);
ext4_ext_release(sb);
if (!(sb->s_flags & MS_RDONLY)) {
if (!(sb->s_flags & MS_RDONLY) && !aborted) {
ext4_clear_feature_journal_needs_recovery(sb);
es->s_state = cpu_to_le16(sbi->s_mount_state);
}