linux-kernel - Re: [RESEND PATCH] xen/blkfront: convert to blk-mq APIs

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Message-ID: <DBCE64F3-2769-47A7-A54C-5614ACA2D332@oracle.com>
Date:	Sat, 11 Jul 2015 07:54:31 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Christoph Hellwig <hch@...radead.org>
CC:	Bob Liu <bob.liu@...cle.com>, linux-kernel@...r.kernel.org,
	axboe@...com, xen-devel@...ts.xenproject.org,
	avanzini.arianna@...il.com, david.vrabel@...rix.com,
	marcus.granado@...rix.com, roger.pau@...rix.com
Subject: Re: [RESEND PATCH] xen/blkfront: convert to blk-mq APIs

On July 11, 2015 7:23:38 AM EDT, Christoph Hellwig <hch@...radead.org> wrote:
>On Sat, Jul 11, 2015 at 07:17:18AM -0400, Konrad Rzeszutek Wilk wrote:
>> The 'locked' parameter can be used to tell the function to not take
>the lock.
>> 
>> But it would drop the lock in both cases.
>
>Konrad,
>
>no conditional locking please.  Split the functionality up in multiple
>functions if you may call with or without a lock held.

That would work nicely too. Thanks!

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