From: Wei Shuyu wsy@dogben.com
stable inclusion from stable-5.10.58 commit a786282b55b4d1134931c679a80e900c46461eae bugzilla: 176984 https://gitee.com/openeuler/kernel/issues/I4E2P4
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit 5ba03936c05584b6f6f79be5ebe7e5036c1dd252 upstream.
Similar to [1], this patch fixes the same bug in raid10. Also cleanup the comments.
[1] commit 2417b9869b81 ("md/raid1: properly indicate failure when ending a failed write request") Cc: stable@vger.kernel.org Fixes: 7cee6d4e6035 ("md/raid10: end bio when the device faulty") Signed-off-by: Wei Shuyu wsy@dogben.com Acked-by: Guoqing Jiang jiangguoqing@kylinos.cn Signed-off-by: Song Liu song@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/md/raid1.c | 2 -- drivers/md/raid10.c | 4 ++-- 2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index a6480568c7eb..fb31e5dd54a6 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -472,8 +472,6 @@ static void raid1_end_write_request(struct bio *bio) /* * When the device is faulty, it is not necessary to * handle write error. - * For failfast, this is the only remaining device, - * We need to retry the write without FailFast. */ if (!test_bit(Faulty, &rdev->flags)) set_bit(R1BIO_WriteError, &r1_bio->state); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 9f9d8b67b5dd..70dccc3c9631 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -470,12 +470,12 @@ static void raid10_end_write_request(struct bio *bio) /* * When the device is faulty, it is not necessary to * handle write error. - * For failfast, this is the only remaining device, - * We need to retry the write without FailFast. */ if (!test_bit(Faulty, &rdev->flags)) set_bit(R10BIO_WriteError, &r10_bio->state); else { + /* Fail the request */ + set_bit(R10BIO_Degraded, &r10_bio->state); r10_bio->devs[slot].bio = NULL; to_put = bio; dec_rdev = 1;