Commit 3a0f5bbb authored by NeilBrown's avatar NeilBrown Committed by Linus Torvalds
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[PATCH] md: add error reporting to superblock write failure

Signed-off-by: default avatarNeil Brown <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent d19c2ee0
......@@ -389,8 +389,12 @@ static int super_written(struct bio *bio, unsigned int bytes_done, int error)
if (bio->bi_size)
return 1;
if (error || !test_bit(BIO_UPTODATE, &bio->bi_flags))
if (error || !test_bit(BIO_UPTODATE, &bio->bi_flags)) {
printk("md: super_written gets error=%d, uptodate=%d\n",
error, test_bit(BIO_UPTODATE, &bio->bi_flags));
WARN_ON(test_bit(BIO_UPTODATE, &bio->bi_flags));
md_error(mddev, rdev);
if (atomic_dec_and_test(&mddev->pending_writes))
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