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Diffstat (limited to 'block/blk-sysfs.c')
-rw-r--r--block/blk-sysfs.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index f0f9314ab65c..5c787965b7d0 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -189,12 +189,9 @@ static ssize_t queue_discard_max_store(struct request_queue *q,
if ((max_discard_bytes >> SECTOR_SHIFT) > UINT_MAX)
return -EINVAL;
- blk_mq_freeze_queue(q);
lim = queue_limits_start_update(q);
lim.max_user_discard_sectors = max_discard_bytes >> SECTOR_SHIFT;
err = queue_limits_commit_update(q, &lim);
- blk_mq_unfreeze_queue(q);
-
if (err)
return err;
return ret;
@@ -241,11 +238,9 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
if (ret < 0)
return ret;
- blk_mq_freeze_queue(q);
lim = queue_limits_start_update(q);
lim.max_user_sectors = max_sectors_kb << 1;
err = queue_limits_commit_update(q, &lim);
- blk_mq_unfreeze_queue(q);
if (err)
return err;
return ret;
@@ -585,13 +580,11 @@ static ssize_t queue_wb_lat_store(struct request_queue *q, const char *page,
* ends up either enabling or disabling wbt completely. We can't
* have IO inflight if that happens.
*/
- blk_mq_freeze_queue(q);
blk_mq_quiesce_queue(q);
wbt_set_min_lat(q, val);
blk_mq_unquiesce_queue(q);
- blk_mq_unfreeze_queue(q);
return count;
}
@@ -722,9 +715,11 @@ queue_attr_store(struct kobject *kobj, struct attribute *attr,
if (!entry->store)
return -EIO;
+ blk_mq_freeze_queue(q);
mutex_lock(&q->sysfs_lock);
res = entry->store(q, page, length);
mutex_unlock(&q->sysfs_lock);
+ blk_mq_unfreeze_queue(q);
return res;
}