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@xxxxxxxxx>
---
block/fops.c | 7 +++----
1 file 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;
--
2.33.1
