ext3: add checks for errors from jbd

[linux-2.6-omap-h63xx.git] / fs / ext3 / super.c

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 3a260af5544d24dfc85f0dffc03b42771c322295..cac29ee3b14ab62054b6f45d74f36adaecab5200 100644 (file)
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -393,7 +393,8 @@ static void ext3_put_super (struct super_block * sb)
        int i;
 
        ext3_xattr_put_super(sb);
-       journal_destroy(sbi->s_journal);
+       if (journal_destroy(sbi->s_journal) < 0)
+               ext3_abort(sb, __func__, "Couldn't clean up the journal");
        if (!(sb->s_flags & MS_RDONLY)) {
                EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
                es->s_state = cpu_to_le16(sbi->s_mount_state);
@@ -2296,7 +2297,9 @@ static void ext3_mark_recovery_complete(struct super_block * sb,
        journal_t *journal = EXT3_SB(sb)->s_journal;
 
        journal_lock_updates(journal);
-       journal_flush(journal);
+       if (journal_flush(journal) < 0)
+               goto out;
+
        lock_super(sb);
        if (EXT3_HAS_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER) &&
            sb->s_flags & MS_RDONLY) {
@@ -2305,6 +2308,8 @@ static void ext3_mark_recovery_complete(struct super_block * sb,
                ext3_commit_super(sb, es, 1);
        }
        unlock_super(sb);
+
+out:
        journal_unlock_updates(journal);
 }
 
@@ -2404,7 +2409,13 @@ static void ext3_write_super_lockfs(struct super_block *sb)
 
                /* Now we set up the journal barrier. */
                journal_lock_updates(journal);
-               journal_flush(journal);
+
+               /*
+                * We don't want to clear needs_recovery flag when we failed
+                * to flush the journal.
+                */
+               if (journal_flush(journal) < 0)
+                       return;
 
                /* Journal blocked and flushed, clear needs_recovery flag. */
                EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
@@ -2822,8 +2833,12 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
                 * otherwise be livelocked...
                 */
                journal_lock_updates(EXT3_SB(sb)->s_journal);
-               journal_flush(EXT3_SB(sb)->s_journal);
+               err = journal_flush(EXT3_SB(sb)->s_journal);
                journal_unlock_updates(EXT3_SB(sb)->s_journal);
+               if (err) {
+                       path_put(&nd.path);
+                       return err;
+               }
        }
 
        err = vfs_quota_on_path(sb, type, format_id, &nd.path);