linux-kernel - Re: [PATCH 0/3] blk-mq: bitmap tag: Fix few races

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Message-ID: <20140617103531.GA13924@infradead.org>
Date:	Tue, 17 Jun 2014 03:35:31 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Alexander Gordeev <agordeev@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Ming Lei <tom.leiming@...il.com>,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH 0/3] blk-mq: bitmap tag: Fix few races

Jens, did you plan to pick these up?  There's a few bits of low hanging
fruit for cleanups / micro-optimizations in this area, but I don't want
to create conflicts with Alexanders work.

On Thu, Jun 12, 2014 at 05:05:35PM +0200, Alexander Gordeev wrote:
> Hi Jens,
> 
> This series is against for-3.16/blk-mq-tagging branch.
> 
> Cc: Ming Lei <tom.leiming@...il.com>
> Cc: Jens Axboe <axboe@...nel.dk>
> 
> Alexander Gordeev (3):
>   blk-mq: bitmap tag: fix races on shared ::wake_index fields
>   blk-mq: bitmap tag: fix race on blk_mq_bitmap_tags::wake_cnt
>   blk-mq: bitmap tag: clean-up bt_get() function
> 
>  block/blk-mq-tag.c     |   73 ++++++++++++++++++++++++++---------------------
>  block/blk-mq-tag.h     |    2 +-
>  include/linux/blk-mq.h |    2 +-
>  3 files changed, 42 insertions(+), 35 deletions(-)
> 
> -- 
> 1.7.7.6
> 
> --
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