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Re: [Qemu-devel] [PATCH for-2.1] block: Fix bdrv_is_allocated() return v
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-devel] [PATCH for-2.1] block: Fix bdrv_is_allocated() return value |
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Date: |
Tue, 8 Jul 2014 14:57:41 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 07.07.2014 um 17:37 hat Kevin Wolf geschrieben:
> bdrv_is_allocated() should return either 0 or 1 in successful cases.
> We're lucky that currently, the callers that rely on this (e.g. because
> they check for ret == 1) don't seem to break badly. They just might skip
> some optimisation or in the case of qemu-io 'map' print separate lines
> where a single line would suffice. In theory, a wrong allocation status
> could lead to image corruption with certain operations, so let's fix
> this quickly.
>
> Signed-off-by: Kevin Wolf <address@hidden>
Applied to the block branch.
Kevin