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author | Jens Axboe <jaxboe@fusionio.com> | 2011-03-10 08:58:35 +0100 |
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committer | Jens Axboe <jaxboe@fusionio.com> | 2011-03-10 08:58:35 +0100 |
commit | 4c63f5646e405b5010cc9499419060bf2e838f5b (patch) | |
tree | df91ba315032c8ec4aafeb3ab96fdfa7c6c656e1 /drivers/md/multipath.c | |
parent | cafb0bfca1a73efd6d8a4a6a6a716e6134b96c24 (diff) | |
parent | 69d60eb96ae8a73cf9b79cf28051caf973006011 (diff) | |
download | kernel_samsung_smdk4412-4c63f5646e405b5010cc9499419060bf2e838f5b.zip kernel_samsung_smdk4412-4c63f5646e405b5010cc9499419060bf2e838f5b.tar.gz kernel_samsung_smdk4412-4c63f5646e405b5010cc9499419060bf2e838f5b.tar.bz2 |
Merge branch 'for-2.6.39/stack-plug' into for-2.6.39/core
Conflicts:
block/blk-core.c
block/blk-flush.c
drivers/md/raid1.c
drivers/md/raid10.c
drivers/md/raid5.c
fs/nilfs2/btnode.c
fs/nilfs2/mdt.c
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/md/multipath.c')
-rw-r--r-- | drivers/md/multipath.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 3a62d44..5e694b1 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -106,36 +106,6 @@ static void multipath_end_request(struct bio *bio, int error) rdev_dec_pending(rdev, conf->mddev); } -static void unplug_slaves(mddev_t *mddev) -{ - multipath_conf_t *conf = mddev->private; - int i; - - rcu_read_lock(); - for (i=0; i<mddev->raid_disks; i++) { - mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev); - if (rdev && !test_bit(Faulty, &rdev->flags) - && atomic_read(&rdev->nr_pending)) { - struct request_queue *r_queue = bdev_get_queue(rdev->bdev); - - atomic_inc(&rdev->nr_pending); - rcu_read_unlock(); - - blk_unplug(r_queue); - - rdev_dec_pending(rdev, mddev); - rcu_read_lock(); - } - } - rcu_read_unlock(); -} - -static void multipath_unplug(struct request_queue *q) -{ - unplug_slaves(q->queuedata); -} - - static int multipath_make_request(mddev_t *mddev, struct bio * bio) { multipath_conf_t *conf = mddev->private; @@ -517,7 +487,6 @@ static int multipath_run (mddev_t *mddev) */ md_set_array_sectors(mddev, multipath_size(mddev, 0, 0)); - mddev->queue->unplug_fn = multipath_unplug; mddev->queue->backing_dev_info.congested_fn = multipath_congested; mddev->queue->backing_dev_info.congested_data = mddev; md_integrity_register(mddev); |