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Re: [Qemu-devel] [PATCHv4] block/get_block_status: avoid redundant callo
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCHv4] block/get_block_status: avoid redundant callouts on raw devices |
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Date: |
Wed, 02 Oct 2013 09:08:04 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130923 Thunderbird/17.0.9 |
On 10/02/2013 08:20 AM, Peter Lieven wrote:
> if a raw device like an iscsi target or host device is used
> the current implementation makes a second call out to get
> the block status of bs->file. however, the raw driver already
> has called bdrv_get_block_status on bs->file.
>
> v4: use a flag to detect the raw driver instead of the strncmp
> hack.
The v4 designation...
>
> Signed-off-by: Peter Lieven <address@hidden>
> ---
...should appear after the --- separator (useful to reviewers, but
doesn't need to be part of the git history).
> block.c | 4 ++--
> block/raw_bsd.c | 6 +++++-
> include/block/block.h | 3 +++
> 3 files changed, 10 insertions(+), 3 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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