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authorPavel Begunkov <asml.silence@gmail.com>2021-10-27 13:21:10 +0100
committerJens Axboe <axboe@kernel.dk>2021-10-27 06:54:58 -0600
commit842e39b013465a279fb60348427b9309427a29de (patch)
tree6beb6b210c8d5ab8936ae4159be1b34eb4a76d73 /block/fops.c
parente71aa913e26543768d5acaef50abe14913c6c496 (diff)
block: add async version of bio_set_polled
If we know that a iocb is async we can optimise bio_set_polled() a bit, add a new helper bio_set_polled_async(). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/8fa137885164a5d05fadcff4c3521da8d5a83d00.1635337135.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/fops.c')
-rw-r--r--block/fops.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/block/fops.c b/block/fops.c
index 8594852bd344..a2f492e50782 100644
--- a/block/fops.c
+++ b/block/fops.c
@@ -358,14 +358,13 @@ static ssize_t __blkdev_direct_IO_async(struct kiocb *iocb,
task_io_account_write(bio->bi_iter.bi_size);
}
- if (iocb->ki_flags & IOCB_NOWAIT)
- bio->bi_opf |= REQ_NOWAIT;
-
if (iocb->ki_flags & IOCB_HIPRI) {
- bio_set_polled(bio, iocb);
+ bio->bi_opf |= REQ_POLLED | REQ_NOWAIT;
submit_bio(bio);
WRITE_ONCE(iocb->private, bio);
} else {
+ if (iocb->ki_flags & IOCB_NOWAIT)
+ bio->bi_opf |= REQ_NOWAIT;
submit_bio(bio);
}
return -EIOCBQUEUED;