Commit 220946c9 authored by NeilBrown's avatar NeilBrown Committed by Linus Torvalds

[PATCH] md: make sure read error on last working drive of raid1 actually returns failure

We are inadvertently setting the R1BIO_Uptodate bit on read errors when we
decide not to try correcting (because there are no other working devices).
This means that the read error is reported to the client as success.
Signed-off-by: default avatarNeil Brown <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent d11c171e
......@@ -284,7 +284,8 @@ static int raid1_end_read_request(struct bio *bio, unsigned int bytes_done, int
* user-side. So if something waits for IO, then it will
* wait for the 'master' bio.
set_bit(R1BIO_Uptodate, &r1_bio->state);
if (uptodate)
set_bit(R1BIO_Uptodate, &r1_bio->state);
} else {
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