From: Mike Snitzer <snitzer@redhat.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: dm-devel@redhat.com
Subject: Re: dm: impose configurable deadline for dm_request_fn's merge heuristic
Date: Mon, 2 Mar 2015 18:26:42 -0500 [thread overview]
Message-ID: <20150302232642.GC26740@redhat.com> (raw)
In-Reply-To: <20150302163143.GA27120@mwanda>
On Mon, Mar 02 2015 at 11:31am -0500,
Dan Carpenter <dan.carpenter@oracle.com> wrote:
> Hello Mike Snitzer,
>
> The patch 6ee47d96b97d: "dm: impose configurable deadline for
> dm_request_fn's merge heuristic" from Feb 26, 2015, leads to the
> following static checker warning:
>
> drivers/md/dm.c:1968 dm_attr_rq_based_queue_deadline_store()
> warn: impossible condition '(deadline > ((~0 >> 1))) => (s32min-s32max > s32max)'
Fixed up with latest code, see:
https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=for-next&id=f975bc0d522d1e57b108bf9e2e0293ee3f78f821
prev parent reply other threads:[~2015-03-02 23:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-02 16:31 dm: impose configurable deadline for dm_request_fn's merge heuristic Dan Carpenter
2015-03-02 23:26 ` Mike Snitzer [this message]
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