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| 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 /include/linux/blkdev.h | |
| parent | blk-mq: don't hold q->sysfs_lock in blk_mq_map_swqueue (diff) | |
| download | linux-dev-58c898ba370e68d39470cd0d932b524682c1f9be.tar.xz linux-dev-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 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4798bb25f1ee..d5077f3fdfd6 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -643,6 +643,7 @@ bool blk_queue_flag_test_and_set(unsigned int flag, struct request_queue *q); #define blk_queue_quiesced(q) test_bit(QUEUE_FLAG_QUIESCED, &(q)->queue_flags) #define blk_queue_pm_only(q) atomic_read(&(q)->pm_only) #define blk_queue_fua(q) test_bit(QUEUE_FLAG_FUA, &(q)->queue_flags) +#define blk_queue_registered(q) test_bit(QUEUE_FLAG_REGISTERED, &(q)->queue_flags) extern void blk_set_pm_only(struct request_queue *q); extern void blk_clear_pm_only(struct request_queue *q); |