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Re: [Xen-devel] [PATCH] xen-blkfront: export backend vdev name via sysfs

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, David Vrabel <david.vrabel@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>
From: Olaf Hering <olaf@xxxxxxxxx>
Date: Thu, 9 Jun 2016 18:47:00 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Jeff Mahoney <jeffm@xxxxxxxx>
Delivery-date: Thu, 09 Jun 2016 16:47:03 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Thu, Jun 09, Olaf Hering wrote:

> The value of "vdev" is cached to avoid the load caused by constant
> rereading from the sysfs file.

For some reason I sent an earlier variant of the patch without caching.
If the approach is acceptable I will resend.

Olaf

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References:
- [Xen-devel] [PATCH] xen-blkfront: export backend vdev name via sysfs
  - From: Olaf Hering

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