diff options
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r-- | drivers/md/raid5.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index caaca9e178bc..8ee181a01f52 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c | |||
@@ -3204,36 +3204,6 @@ static void raid5_unplug_device(struct request_queue *q) | |||
3204 | unplug_slaves(mddev); | 3204 | unplug_slaves(mddev); |
3205 | } | 3205 | } |
3206 | 3206 | ||
3207 | static int raid5_issue_flush(struct request_queue *q, struct gendisk *disk, | ||
3208 | sector_t *error_sector) | ||
3209 | { | ||
3210 | mddev_t *mddev = q->queuedata; | ||
3211 | raid5_conf_t *conf = mddev_to_conf(mddev); | ||
3212 | int i, ret = 0; | ||
3213 | |||
3214 | rcu_read_lock(); | ||
3215 | for (i=0; i<mddev->raid_disks && ret == 0; i++) { | ||
3216 | mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev); | ||
3217 | if (rdev && !test_bit(Faulty, &rdev->flags)) { | ||
3218 | struct block_device *bdev = rdev->bdev; | ||
3219 | struct request_queue *r_queue = bdev_get_queue(bdev); | ||
3220 | |||
3221 | if (!r_queue->issue_flush_fn) | ||
3222 | ret = -EOPNOTSUPP; | ||
3223 | else { | ||
3224 | atomic_inc(&rdev->nr_pending); | ||
3225 | rcu_read_unlock(); | ||
3226 | ret = r_queue->issue_flush_fn(r_queue, bdev->bd_disk, | ||
3227 | error_sector); | ||
3228 | rdev_dec_pending(rdev, mddev); | ||
3229 | rcu_read_lock(); | ||
3230 | } | ||
3231 | } | ||
3232 | } | ||
3233 | rcu_read_unlock(); | ||
3234 | return ret; | ||
3235 | } | ||
3236 | |||
3237 | static int raid5_congested(void *data, int bits) | 3207 | static int raid5_congested(void *data, int bits) |
3238 | { | 3208 | { |
3239 | mddev_t *mddev = data; | 3209 | mddev_t *mddev = data; |
@@ -4263,7 +4233,6 @@ static int run(mddev_t *mddev) | |||
4263 | mdname(mddev)); | 4233 | mdname(mddev)); |
4264 | 4234 | ||
4265 | mddev->queue->unplug_fn = raid5_unplug_device; | 4235 | mddev->queue->unplug_fn = raid5_unplug_device; |
4266 | mddev->queue->issue_flush_fn = raid5_issue_flush; | ||
4267 | mddev->queue->backing_dev_info.congested_data = mddev; | 4236 | mddev->queue->backing_dev_info.congested_data = mddev; |
4268 | mddev->queue->backing_dev_info.congested_fn = raid5_congested; | 4237 | mddev->queue->backing_dev_info.congested_fn = raid5_congested; |
4269 | 4238 | ||