blk-mq: remove useless checking in queue_requests_store()

blk_mq_queue_attr_visible() already checked queue_is_mq(), no need to
check this again in queue_requests_store().

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index c94b8b6ab024f7994769a69ebf7e51f540204efd..1ffa65feca4f62378cd0410aeca0911f0e9bc945 100644 (file)
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -69,9 +69,6 @@ queue_requests_store(struct gendisk *disk, const char *page, size_t count)
        unsigned int memflags;
        struct request_queue *q = disk->queue;
 
-       if (!queue_is_mq(q))
-               return -EINVAL;
-
        ret = queue_var_store(&nr, page, count);
        if (ret < 0)
                return ret;