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>
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 588608d..60c293d 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1709,11 +1709,9 @@
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 @@
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,