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md/raid1: small code cleanup in end_sync_write 

'mirror' is only used to find 'rdev', several times.
So just find 'rdev' once, and use it instead.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
NeilBrown 2016-06-02 16:19:52 +10:00 committed by Shaohua Li
parent e5872d58f5
commit 854abd7584
1 changed files with 4 additions and 10 deletions
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14
drivers/md/raid1.c
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@ -1709,11 +1709,9 @@ static void end_sync_write(struct bio *bio)
struct r1bio *r1_bio = bio->bi_private;
struct mddev *mddev = r1_bio->mddev;
struct r1conf *conf = mddev->private;
int mirror=0;
sector_t first_bad;
int bad_sectors;
mirror = find_bio_disk(r1_bio, bio);
struct md_rdev *rdev = conf->mirrors[find_bio_disk(r1_bio, bio)].rdev;
if (!uptodate) {
sector_t sync_blocks = 0;
@ -1726,16 +1724,12 @@ static void end_sync_write(struct bio *bio)
s += sync_blocks;
sectors_to_go -= sync_blocks;
} while (sectors_to_go > 0);
set_bit(WriteErrorSeen,
&conf->mirrors[mirror].rdev->flags);
if (!test_and_set_bit(WantReplacement,
&conf->mirrors[mirror].rdev->flags))
set_bit(WriteErrorSeen, &rdev->flags);
if (!test_and_set_bit(WantReplacement, &rdev->flags))
set_bit(MD_RECOVERY_NEEDED, &
mddev->recovery);
set_bit(R1BIO_WriteError, &r1_bio->state);
} else if (is_badblock(conf->mirrors[mirror].rdev,
r1_bio->sector,
r1_bio->sectors,
} else if (is_badblock(rdev, r1_bio->sector, r1_bio->sectors,
&first_bad, &bad_sectors) &&
!is_badblock(conf->mirrors[r1_bio->read_disk].rdev,
r1_bio->sector,