diff options
Diffstat (limited to 'drivers/md/multipath.c')
| -rw-r--r-- | drivers/md/multipath.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index f2a63f394ad..b35731cceac 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -194,35 +194,6 @@ static void multipath_status (struct seq_file *seq, mddev_t *mddev) seq_printf (seq, "]"); } -static int multipath_issue_flush(struct request_queue *q, struct gendisk *disk, - sector_t *error_sector) -{ - mddev_t *mddev = q->queuedata; - multipath_conf_t *conf = mddev_to_conf(mddev); - int i, ret = 0; - - rcu_read_lock(); - for (i=0; i<mddev->raid_disks && ret == 0; i++) { - mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev); - if (rdev && !test_bit(Faulty, &rdev->flags)) { - struct block_device *bdev = rdev->bdev; - struct request_queue *r_queue = bdev_get_queue(bdev); - - if (!r_queue->issue_flush_fn) - ret = -EOPNOTSUPP; - else { - atomic_inc(&rdev->nr_pending); - rcu_read_unlock(); - ret = r_queue->issue_flush_fn(r_queue, bdev->bd_disk, - error_sector); - rdev_dec_pending(rdev, mddev); - rcu_read_lock(); - } - } - } - rcu_read_unlock(); - return ret; -} static int multipath_congested(void *data, int bits) { mddev_t *mddev = data; @@ -527,7 +498,6 @@ static int multipath_run (mddev_t *mddev) mddev->array_size = mddev->size; mddev->queue->unplug_fn = multipath_unplug; - mddev->queue->issue_flush_fn = multipath_issue_flush; mddev->queue->backing_dev_info.congested_fn = multipath_congested; mddev->queue->backing_dev_info.congested_data = mddev; |