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| author | NeilBrown <neilb@suse.de> | 2011-05-11 14:54:19 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-05-11 14:54:19 +1000 |
| commit | a8830bcaf3206f15e29efcd9e04becd96a0722e9 (patch) | |
| tree | 7952a9dcc4ecfda07d706095ac3a9f9d6973837b | |
| parent | 7c4e06ff2b6a4c09638551dfde76f37f9fca5c0c (diff) | |
| download | blackbird-op-linux-a8830bcaf3206f15e29efcd9e04becd96a0722e9.tar.gz blackbird-op-linux-a8830bcaf3206f15e29efcd9e04becd96a0722e9.zip | |
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>
| -rw-r--r-- | drivers/md/raid10.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 8e4f469a75b0..80cc7e63cdb7 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -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; |
