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| author |  Ming Lei <ming.lei@redhat.com>
| 2022-03-04 21:08:03 -0500 |
|---|---|---|
| committer |  Mike Snitzer <snitzer@redhat.com>
| 2022-03-09 12:21:35 -0500 |
| commit | 69fe0f29892077f14b56e2a479b6bcf533209d53 (patch) | |
| tree | 26b37dbcc06ed8b12ff07482eb2fe060b89d3e1d /include/linux/blkdev.h | |
| parent | dm mpath: use DMINFO instead of printk with KERN_INFO (diff) | |
| download | linux-69fe0f29892077f14b56e2a479b6bcf533209d53.tar.gz linux-69fe0f29892077f14b56e2a479b6bcf533209d53.tar.bz2 linux-69fe0f29892077f14b56e2a479b6bcf533209d53.zip | |
block: add ->poll_bio to block_device_operations
Prepare for supporting IO polling for bio-based driver.
Add ->poll_bio callback so that bio-based driver can provide their own
logic for polling bio.
Also fix ->submit_bio_bio typo in comment block above
__submit_bio_noacct.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f757f9c2871f..51f1b1ddbed2 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1455,6 +1455,8 @@ enum blk_unique_id { struct block_device_operations { void (*submit_bio)(struct bio *bio); + int (*poll_bio)(struct bio *bio, struct io_comp_batch *iob, + unsigned int flags); int (*open) (struct block_device *, fmode_t); void (*release) (struct gendisk *, fmode_t); int (*rw_page)(struct block_device *, sector_t, struct page *, unsigned int); |