linux-kernel - [PATCH v7 4/5] fs: blkdev set bio prio from kiocb prio

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Message-Id: <20180522175221.2391-5-adam.manzanares@wdc.com>
Date:   Tue, 22 May 2018 10:52:20 -0700
From:   adam.manzanares@....com
To:     viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
        axboe@...nel.dk, bcrl@...ck.org
Cc:     mingo@...nel.org, tglx@...utronix.de, kstewart@...uxfoundation.org,
        peterz@...radead.org, pombredanne@...b.com,
        gregkh@...uxfoundation.org, bigeasy@...utronix.de,
        rgoldwyn@...e.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-aio@...ck.org,
        linux-api@...r.kernel.org, hch@...radread.org, jmoyer@...hat.com,
        Adam Manzanares <adam.manzanares@....com>
Subject: [PATCH v7 4/5] fs: blkdev set bio prio from kiocb prio

From: Adam Manzanares <adam.manzanares@....com>

Now that kiocb has an ioprio field copy this over to the bio when it is
created from the kiocb.

Signed-off-by: Adam Manzanares <adam.manzanares@....com>
Reviewed-by: Jeff Moyer <jmoyer@...hat.com>
---
 fs/block_dev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 7ec920e27065..11ba99e79d2a 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -216,6 +216,7 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,
 	bio.bi_write_hint = iocb->ki_hint;
 	bio.bi_private = current;
 	bio.bi_end_io = blkdev_bio_end_io_simple;
+	bio.bi_ioprio = iocb->ki_ioprio;
 
 	ret = bio_iov_iter_get_pages(&bio, iter);
 	if (unlikely(ret))
@@ -355,6 +356,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
 		bio->bi_write_hint = iocb->ki_hint;
 		bio->bi_private = dio;
 		bio->bi_end_io = blkdev_bio_end_io;
+		bio->bi_ioprio = iocb->ki_ioprio;
 
 		ret = bio_iov_iter_get_pages(bio, iter);
 		if (unlikely(ret)) {
-- 
2.15.1