[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2 2/3] qapi: Add "detect-zeroes" option to driv
|
From: |
Paolo Bonzini |
|
Subject: |
Re: [Qemu-devel] [PATCH v2 2/3] qapi: Add "detect-zeroes" option to drive-mirror |
|
Date: |
Mon, 08 Jun 2015 12:47:02 +0200 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 08/06/2015 12:34, Fam Zheng wrote:
> - "unmap": whether the target sectors should be discarded where source has
> only
> zeroes. (json-bool, optional, default true)
> +- "detect-zeroes": if true, the source sectors that are zeroes will be
> written as
> + sparse on target. (json-bool, optional, default true)
all source sectors that are zeroes will be written using offloaded zero
writes on the target; furthermore, the sectors on the target will be
made sparse if possible if "unmap" is also true.
Perhaps it's simpler to use the enum though. I'm not sure. Jeff?
Paolo