[v2,1/3] fs: direct-io: handle error in dio_end_io()
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Message ID 1461729094-22898-1-git-send-email-ming.lei@canonical.com
State New
Headers show

Commit Message

Ming Lei April 27, 2016, 3:51 a.m. UTC
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@canonical.com>
---
 fs/direct-io.c | 3 +++
 1 file changed, 3 insertions(+)

Patch
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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