From: Jens Axboe <axboe@kernel.dk>
To: linux-block@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Subject: [PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to
Date: Tue, 13 Nov 2018 08:42:32 -0700 [thread overview]
Message-ID: <20181113154233.15256-11-axboe@kernel.dk> (raw)
In-Reply-To: <20181113154233.15256-1-axboe@kernel.dk>
Inherit the iocb IOCB_HIPRI flag, and pass on REQ_HIPRI for
those kinds of requests.
Signed-off-by: Jens Axboe <axboe@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
next prev parent reply other threads:[~2018-11-13 15:42 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-13 15:42 [PATCHSET v2 0/11] Various block optimizations Jens Axboe
2018-11-13 15:42 ` [PATCH 01/11] nvme: don't disable local ints for polled queue Jens Axboe
2018-11-13 15:42 ` [PATCH 02/11] block: add queue_is_mq() helper Jens Axboe
2018-11-14 15:23 ` Christoph Hellwig
2018-11-13 15:42 ` [PATCH 03/11] blk-mq: embed blk_mq_ops directly in the request queue Jens Axboe
2018-11-13 15:42 ` [PATCH 04/11] blk-rq-qos: inline check for q->rq_qos functions Jens Axboe
2018-11-13 15:42 ` [PATCH 05/11] block: avoid ordered task state change for polled IO Jens Axboe
2018-11-14 2:29 ` jianchao.wang
2018-11-14 2:35 ` Jens Axboe
2018-11-13 15:42 ` [PATCH 06/11] block: add polled wakeup task helper Jens Axboe
2018-11-13 15:52 ` Keith Busch
2018-11-13 15:58 ` Jens Axboe
2018-11-13 16:59 ` Jens Axboe
2018-11-13 15:42 ` [PATCH 07/11] block: have ->poll_fn() return number of entries polled Jens Axboe
2018-11-13 15:42 ` [PATCH 08/11] blk-mq: when polling for IO, look for any completion Jens Axboe
2018-11-13 15:42 ` [PATCH 09/11] block: make blk_poll() take a parameter on whether to spin or not Jens Axboe
2018-11-13 15:42 ` Jens Axboe [this message]
2018-11-13 15:42 ` [PATCH 11/11] block: don't plug for aio/O_DIRECT HIPRI IO Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2018-11-15 19:51 [PATCHSET v2 0/11] Various block optimizations Jens Axboe
2018-11-15 19:51 ` [PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to Jens Axboe
2018-11-16 8:47 ` Christoph Hellwig
2018-11-16 8:48 ` Christoph Hellwig
2018-11-16 15:19 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181113154233.15256-11-axboe@kernel.dk \
--to=axboe@kernel.dk \
--cc=linux-block@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).