From d1645e526a1e5842c9ac433d73419ba886676cf3 Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Sat, 18 Oct 2008 20:27:53 -0700
Subject: [PATCH] jbd: abort when failed to log metadata buffers

If we failed to write metadata buffers to the journal space and succeeded
to write the commit record, stale data can be written back to the
filesystem as metadata in the recovery phase.

To avoid this, when we failed to write out metadata buffers, abort the
journal before writing the commit record.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/jbd/commit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index ae08c057e751..f1ea861b9929 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -762,6 +762,9 @@ wait_for_iobuf:
 		/* AKPM: bforget here */
 	}
 
+	if (err)
+		journal_abort(journal, err);
+
 	jbd_debug(3, "JBD: commit phase 6\n");
 
 	if (journal_write_commit_record(journal, commit_transaction))
-- 
2.20.1