linux-kernel - Re: [GIT PULL] Two fixups for the block IO merge

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Date:	Fri, 25 Mar 2011 13:09:52 -0400
From:	Chris Mason <chris.mason@...cle.com>
To:	Jens Axboe <jaxboe@...ionio.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] Two fixups for the block IO merge

Excerpts from Jens Axboe's message of 2011-03-25 12:07:07 -0400:
> Hi Linus,
> 
> An embarassing bug made the block IO merge a bit less enjoyable for some
> people than it should have.
> 
> - The oops problem (with CFQ), or potential corruption (with noop) due
>   to a bad insertion type for some requests.
> 
> - A warning spew on virt_io using blk_stop_queue() inside it's callback.
> 
> Please pull these two fixes, so hopefully we can put this behind us.
> Thanks a lot to the people involved with fixing the first issue.
> 
>   git://git.kernel.dk/linux-2.6-block.git for-linus
> 
> Jens Axboe (2):
>       block: fix bug with inserting flush requests as sort/merge
>       block: fix issue with calling blk_stop_queue() from the request_fn handler

A quick stress test on this is going well on my box.  Before this pull
it would crash within 5 minutes.

-chris
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