linux-kernel - Re: block: Always check queue limits for cloned requests

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Message-ID: <20151130071251.GA315@x4>
Date:	Mon, 30 Nov 2015 08:12:51 +0100
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Ming Lei <tom.leiming@...il.com>
Cc:	Mike Snitzer <snitzer@...hat.com>, Hannes Reinecke <hare@...e.de>,
	Jens Axboe <axboe@...com>, linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org, Christoph Hellwig <hch@....de>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Ewan Milne <emilne@...hat.com>, Jeff Moyer <jmoyer@...hat.com>
Subject: Re: block: Always check queue limits for cloned requests

On 2015.11.30 at 14:11 +0800, Ming Lei wrote:
> On Sun, 29 Nov 2015 18:05:06 +0100
> Markus Trippelsdorf <markus@...ppelsdorf.de> wrote:
> > 
> > No, I'm not using DM multipath. 
> 
> 
> OK, I guess it is still one block merge issue, care to test the
> following patch?
> 
> The patch can address one issue when bio->bi_seg_front_size
> is set as too small mistakenly, then fewer physical segment may
> be figured out.

Many thanks. Your patch fixes the issue for me.

-- 
Markus
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