[PATCH v2 1/3] fs: direct-io: handle error in dio_end_io()

From: Ming Lei
Date: Tue Apr 26 2016 - 23:51:46 EST


If error is passed to dio_end_io(), it should have been
dealt with. Unfortunately current code just ignores that
silently.

Only btrfs uses dio_end_io().

Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
fs/direct-io.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/fs/direct-io.c b/fs/direct-io.c
index 4720377..a8dd60a 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -352,6 +352,9 @@ void dio_end_io(struct bio *bio, int error)
{
struct dio *dio = bio->bi_private;

+ if (!bio->bi_error)
+ bio->bi_error = error;
+
if (dio->is_async)
dio_bio_end_aio(bio);
else
--
1.9.1