diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-10-12 13:12:19 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 06:17:36 -0600 |
| commit | ef99b2d37666b7a600baab9e1c4944436652b0a2 (patch) | |
| tree | 81457d0c9620f8c7311bf76d532670fa5d53074f /include/linux/blkdev.h | |
| parent | 28a1ae6b9daba6ac65700eeb38479bd6fadec089 (diff) | |
block: replace the spin argument to blk_iopoll with a flags argument
Switch the boolean spin argument to blk_poll to passing a set of flags
instead. This will allow to control polling behavior in a more fine
grained way.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Mark Wunderlich <mark.wunderlich@intel.com>
Link: https://lore.kernel.org/r/20211012111226.760968-10-hch@lst.de
[axboe: adapt to changed io_uring iopoll]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 17705c970d7e..e177346bc020 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -564,7 +564,9 @@ extern const char *blk_op_str(unsigned int op); int blk_status_to_errno(blk_status_t status); blk_status_t errno_to_blk_status(int errno); -int blk_poll(struct request_queue *q, blk_qc_t cookie, bool spin); +/* only poll the hardware once, don't continue until a completion was found */ +#define BLK_POLL_ONESHOT (1 << 0) +int blk_poll(struct request_queue *q, blk_qc_t cookie, unsigned int flags); static inline struct request_queue *bdev_get_queue(struct block_device *bdev) { |