jbd2: check return value of blkdev_issue_flush()

blkdev_issue_flush() can fail; make sure the error gets properly propagated. This is a port of the equivalent jbd patch from commit 349ecd6. Signed-off-by: "Theodore Ts'o" <[email protected]>
chewitt · Aug 17, 2012 · 316e4cf · 316e4cf
1 parent 67a5da5
commit 316e4cf
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
@@ -289,8 +289,11 @@ int jbd2_journal_recover(journal_t *journal)
 	if (!err)
 		err = err2;
 	/* Make sure all replayed data is on permanent storage */
-	if (journal->j_flags & JBD2_BARRIER)
-		blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+	if (journal->j_flags & JBD2_BARRIER) {
+		err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+		if (!err)
+			err = err2;
+	}
 	return err;
 }