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: Thu, 15 Nov 2018 12:51:34 -0700 [thread overview]
Message-ID: <20181115195135.22812-11-axboe@kernel.dk> (raw)
In-Reply-To: <20181115195135.22812-1-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:[~2018-11-15 19:52 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-15 19:51 [PATCHSET v2 0/11] Various block optimizations Jens Axboe
2018-11-15 19:51 ` [PATCH 01/11] nvme: provide optimized poll function for separate poll queues Jens Axboe
2018-11-16 8:35 ` Christoph Hellwig
2018-11-16 15:22 ` Jens Axboe
2018-11-15 19:51 ` [PATCH 02/11] block: add queue_is_mq() helper Jens Axboe
2018-11-16 8:35 ` Christoph Hellwig
2018-11-15 19:51 ` [PATCH 03/11] blk-rq-qos: inline check for q->rq_qos functions Jens Axboe
2018-11-16 8:38 ` Christoph Hellwig
2018-11-16 15:18 ` Jens Axboe
2018-11-15 19:51 ` [PATCH 04/11] block: avoid ordered task state change for polled IO Jens Axboe
2018-11-16 8:41 ` Christoph Hellwig
2018-11-16 15:32 ` Jens Axboe
2018-11-15 19:51 ` [PATCH 05/11] block: add polled wakeup task helper Jens Axboe
2018-11-16 8:41 ` Christoph Hellwig
2018-11-15 19:51 ` [PATCH 06/11] block: have ->poll_fn() return number of entries polled Jens Axboe
2018-11-15 19:51 ` [PATCH 07/11] blk-mq: when polling for IO, look for any completion Jens Axboe
2018-11-16 8:43 ` Christoph Hellwig
2018-11-16 15:19 ` Jens Axboe
2018-11-16 16:57 ` Jens Axboe
2018-11-15 19:51 ` [PATCH 08/11] block: make blk_poll() take a parameter on whether to spin or not Jens Axboe
2018-11-15 19:51 ` [PATCH 09/11] blk-mq: ensure mq_ops ->poll() is entered at least once Jens Axboe
2018-11-15 19:51 ` Jens Axboe [this message]
2018-11-16 8:47 ` [PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to Christoph Hellwig
2018-11-16 8:48 ` Christoph Hellwig
2018-11-16 15:19 ` Jens Axboe
2018-11-15 19:51 ` [PATCH 11/11] block: don't plug for aio/O_DIRECT HIPRI IO Jens Axboe
2018-11-16 8:49 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2018-11-13 15:42 [PATCHSET v2 0/11] Various block optimizations Jens Axboe
2018-11-13 15:42 ` [PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to Jens Axboe
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