md/raid10: make more use of 'slot' in raid10d.
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>
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 8e4f469..80cc7e6 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1650,8 +1650,8 @@
}
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 @@
} 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 @@
(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;