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From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Ming Lei <ming.lei@redhat.com>,
	Salman Qazi <sqazi@google.com>,
	Jesse Barnes <jsbarnes@google.com>,
	Christoph Hellwig <hch@lst.de>,
	Bart Van Assche <bvanassche@acm.org>
Subject: [PATCH 0/2] block: prevent task hung from being triggered in sync dio
Date: Tue, 28 Apr 2020 15:46:55 +0800	[thread overview]
Message-ID: <20200428074657.645441-1-ming.lei@redhat.com> (raw)

Hi,

The 1st patch adds one helper of blk_default_io_timeout().

The 2nd patch adds blk_io_schedule for prevent task hung from being
triggered in sync dio.


Ming Lei (2):
  block: add blk_default_io_timeout() for avoiding task hung in sync IO
  block: add blk_io_schedule() for avoiding task hung in sync dio

 block/bio.c            |  9 +++------
 block/blk-exec.c       |  8 +++-----
 fs/block_dev.c         |  4 ++--
 fs/direct-io.c         |  2 +-
 fs/iomap/direct-io.c   |  2 +-
 include/linux/blkdev.h | 16 ++++++++++++++++
 6 files changed, 26 insertions(+), 15 deletions(-)

Cc: Salman Qazi <sqazi@google.com>
Cc: Jesse Barnes <jsbarnes@google.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Bart Van Assche <bvanassche@acm.org>


-- 
2.25.2


             reply	other threads:[~2020-04-28  7:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-28  7:46 Ming Lei [this message]
2020-04-28  7:46 ` [PATCH 1/2] block: add blk_default_io_timeout() for avoiding task hung in sync IO Ming Lei
2020-04-28  8:05   ` Hannes Reinecke
2020-04-28  8:30     ` Ming Lei
2020-04-28 14:19   ` Bart Van Assche
2020-04-29  1:17     ` Ming Lei
2020-04-30  3:08       ` Bart Van Assche
2020-05-03  1:43         ` Ming Lei
2020-04-28  7:46 ` [PATCH 2/2] block: add blk_io_schedule() for avoiding task hung in sync dio Ming Lei

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