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md/raid10: make more use of 'slot' in raid10d.

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Now that we have a 'slot' variable, make better use of it to simplify
some code a little.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2011-05-11 14:54:19 +10:00
parent 7c4e06ff2b
commit a8830bcaf3
1 changed files with 5 additions and 4 deletions
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9
drivers/md/raid10.c
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@ -1650,8 +1650,8 @@ static void raid10d(mddev_t *mddev)
}
rdev_dec_pending(conf->mirrors[mirror].rdev, mddev);
bio = r10_bio->devs[r10_bio->read_slot].bio;
r10_bio->devs[r10_bio->read_slot].bio =
bio = r10_bio->devs[slot].bio;
r10_bio->devs[slot].bio =
mddev->ro ? IO_BLOCKED : NULL;
mirror = read_balance(conf, r10_bio);
if (mirror == -1) {
@ -1665,6 +1665,7 @@ static void raid10d(mddev_t *mddev)
} else {
const unsigned long do_sync = (r10_bio->master_bio->bi_rw & REQ_SYNC);
bio_put(bio);
slot = r10_bio->read_slot;
rdev = conf->mirrors[mirror].rdev;
if (printk_ratelimit())
printk(KERN_ERR "md/raid10:%s: %s: redirecting sector %llu to"
@ -1674,8 +1675,8 @@ static void raid10d(mddev_t *mddev)
(unsigned long long)r10_bio->sector);
bio = bio_clone_mddev(r10_bio->master_bio,
GFP_NOIO, mddev);
r10_bio->devs[r10_bio->read_slot].bio = bio;
bio->bi_sector = r10_bio->devs[r10_bio->read_slot].addr
r10_bio->devs[slot].bio = bio;
bio->bi_sector = r10_bio->devs[slot].addr
+ rdev->data_offset;
bio->bi_bdev = rdev->bdev;
bio->bi_rw = READ | do_sync;