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block: get rid of unnecessary local variable

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Since whole elevator register is protectd by sysfs_lock, we
don't need extras 'has_elevator'. Just use q->elevator directly.

Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yufen Yu 2020-10-08 23:26:32 -04:00 committed by Jens Axboe
parent f0c6ae09db
commit 0546858c59
1 changed files with 1 additions and 3 deletions
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4
block/blk-sysfs.c
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@ -833,7 +833,6 @@ int blk_register_queue(struct gendisk *disk)
int ret;
struct device *dev = disk_to_dev(disk);
struct request_queue *q = disk->queue;
bool has_elevator = false;
if (WARN_ON(!q))
return -ENXIO;
@ -899,7 +898,6 @@ int blk_register_queue(struct gendisk *disk)
kobject_put(&dev->kobj);
return ret;
}
has_elevator = true;
}
blk_queue_flag_set(QUEUE_FLAG_REGISTERED, q);
@ -908,7 +906,7 @@ int blk_register_queue(struct gendisk *disk)
/* Now everything is ready and send out KOBJ_ADD uevent */
kobject_uevent(&q->kobj, KOBJ_ADD);
if (has_elevator)
if (q->elevator)
kobject_uevent(&q->elevator->kobj, KOBJ_ADD);
mutex_unlock(&q->sysfs_lock);