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Re: [Xen-devel] [RESEND PATCH] xen/blkfront: convert to blk-mq APIs

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sat, 11 Jul 2015 04:23:38 -0700
Cc: hch@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, marcus.granado@xxxxxxxxxx, axboe@xxxxxx, david.vrabel@xxxxxxxxxx, avanzini.arianna@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, roger.pau@xxxxxxxxxx
Delivery-date: Sat, 11 Jul 2015 11:23:53 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

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.


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Follow-Ups:
- Re: [Xen-devel] [RESEND PATCH] xen/blkfront: convert to blk-mq APIs
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References:
- [Xen-devel] [RESEND PATCH] xen/blkfront: convert to blk-mq APIs
  - From: Bob Liu
- Re: [Xen-devel] [RESEND PATCH] xen/blkfront: convert to blk-mq APIs
  - From: Konrad Rzeszutek Wilk
- Re: [Xen-devel] [RESEND PATCH] xen/blkfront: convert to blk-mq APIs
  - From: Bob Liu
- Re: [Xen-devel] [RESEND PATCH] xen/blkfront: convert to blk-mq APIs
  - From: Konrad Rzeszutek Wilk

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