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Re: [Qemu-block] [PATCH 5/7] block: Use 'detect-zeroes' option for 'bloc
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-block] [PATCH 5/7] block: Use 'detect-zeroes' option for 'blockdev-change-medium' |
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Date: |
Wed, 21 Sep 2016 14:19:02 -0500 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 |
On 09/20/2016 04:08 PM, Kevin Wolf wrote:
> Instead of modifying the new BDS after it has been opened, use the newly
> supported 'detect-zeroes' option in bdrv_open_common() so that all
> requirements are checked (detect-zeroes=unmap requires discard=unmap).
>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
> block/block-backend.c | 9 ++++-----
> blockdev.c | 9 ++++++---
> include/sysemu/block-backend.h | 2 +-
> 3 files changed, 11 insertions(+), 9 deletions(-)
>
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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