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md/raid10: properly indicate failure when ending a failed write request 

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: 7cee6d4e60 ("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>
This commit is contained in:
Wei Shuyu 2021-06-28 15:15:08 +08:00 committed by Greg Kroah-Hartman
parent 790cb68d35
commit 1b7b9713a5
2 changed files with 2 additions and 4 deletions
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2
drivers/md/raid1.c
View File

@ -452,8 +452,6 @@ 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);

4
drivers/md/raid10.c
View File

@ -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;