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authorMing Lei <ming.lei@redhat.com>2019-08-27 19:01:47 +0800
committerJens Axboe <axboe@kernel.dk>2019-08-27 10:40:20 -0600
commit58c898ba370e68d39470cd0d932b524682c1f9be (patch)
tree44a7e85517859b3a25d63b5a8f5b00a2995fd3e5 /block/elevator.c
parentc6ba933358f0d7a6a042b894dba20cc70396a6d3 (diff)
downloadlwn-58c898ba370e68d39470cd0d932b524682c1f9be.tar.gz
lwn-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.c2
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;
/*