diff options
| author | Jens Axboe <axboe@kernel.dk> | 2018-11-26 08:21:49 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-26 08:25:40 -0700 |
| commit | 1052b8ac5282daf35df331edcbdb645839d17e6a (patch) | |
| tree | 416e6bcaea468503613abeaf1e9705fea5aa94f9 /include/linux/blkdev.h | |
| parent | 1db4909e76f64a85f4aaa187f0f683f5c85a471d (diff) | |
blk-mq: when polling for IO, look for any completion
If we want to support async IO polling, then we have to allow finding
completions that aren't just for the one we are looking for. Always pass
in -1 to the mq_ops->poll() helper, and have that return how many events
were found in this poll loop.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9b53db06ad08..f3015e9b5ae3 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -867,7 +867,7 @@ extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, int blk_status_to_errno(blk_status_t status); blk_status_t errno_to_blk_status(int errno); -bool blk_poll(struct request_queue *q, blk_qc_t cookie); +int blk_poll(struct request_queue *q, blk_qc_t cookie); static inline struct request_queue *bdev_get_queue(struct block_device *bdev) { |