diff options
| author |   Ming Lei <ming.lei@redhat.com> | 2019-08-27 19:01:47 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-08-27 10:40:20 -0600 |
| commit | 58c898ba370e68d39470cd0d932b524682c1f9be (patch) | |
| tree | 44a7e85517859b3a25d63b5a8f5b00a2995fd3e5 /block/elevator.c | |
| parent | blk-mq: don't hold q->sysfs_lock in blk_mq_map_swqueue (diff) | |
| download | wireguard-linux-58c898ba370e68d39470cd0d932b524682c1f9be.tar.xz wireguard-linux-58c898ba370e68d39470cd0d932b524682c1f9be.zip | |
block: add helper for checking if queue is registered
There are 4 users which check if queue is registered, so add one helper
to check it.
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/elevator.c b/block/elevator.c index 33c15fb54ed1..03d923196569 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -656,7 +656,7 @@ static int __elevator_change(struct request_queue *q, const char *name) struct elevator_type *e; /* Make sure queue is not in the middle of being removed */ - if (!test_bit(QUEUE_FLAG_REGISTERED, &q->queue_flags)) + if (!blk_queue_registered(q)) return -ENOENT; /* |