[PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to

[Jens Axboe]

Inherit the iocb IOCB_HIPRI flag, and pass on REQ_HIPRI for
those kinds of requests.

Signed-off-by: Jens Axboe <ax...@kernel.dk>
---
 fs/block_dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 7810f5b588ea..c124982b810d 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -386,6 +386,9 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter 
*iter, int nr_pages)
 
                nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES);
                if (!nr_pages) {
+                       if (iocb->ki_flags & IOCB_HIPRI)
+                               bio->bi_opf |= REQ_HIPRI;
+
                        qc = submit_bio(bio);
                        break;
                }
-- 
2.17.1