linux-kernel - [PATCH v1 0/5] block: blk-mq: support blk_cleanup

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Date:	Thu, 26 Dec 2013 21:31:33 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org
Cc:	Christoph Hellwig <hch@...radead.org>
Subject: [PATCH v1 0/5] block: blk-mq: support blk_cleanup_queue on mq

Hi,

The 1st one moves request initializtion out of completion handler.

The following 2 patches support drain/sync mq queue in blk_cleanup_queue.

The 4th patch calls blk_cleanup_queue() in removing device path
to fix queue leak problem.

The 5th patch doesn't export blk_mq_free_queue() because the function
is called in release handler of queue kobject, and drivers needn't
to call it.

V1:
    - add patch 1/5
    - add comments on blk_execute_rq_nowait 2/5
    - set QUEUE_FLAG_DEAD for MQ 2/5
    - use __blk_mq_drain_queue() helper 2/5

 block/blk-core.c         |   21 ++++++++++++--
 block/blk-exec.c         |    4 +++
 block/blk-mq.c           |   71 +++++++++++++++++++++++-----------------------
 block/blk-mq.h           |    2 ++
 block/blk-sysfs.c        |    1 +
 drivers/block/null_blk.c |   10 ++-----
 include/linux/blk-mq.h   |    1 -
 7 files changed, 63 insertions(+), 47 deletions(-)


Thanks,
--
Ming Lei


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