From: Kevin Wolf <kwolf@redhat.com>
To: qemu-devel@nongnu.org
Cc: stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH for-2.1] block: Fix bdrv_is_allocated() return value
Date: Tue, 8 Jul 2014 14:57:41 +0200 [thread overview]
Message-ID: <20140708125741.GC3857@noname.str.redhat.com> (raw)
In-Reply-To: <1404747446-10215-1-git-send-email-kwolf@redhat.com>
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 <kwolf@redhat.com>
Applied to the block branch.
Kevin
prev parent reply other threads:[~2014-07-08 12:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-07 15:37 [Qemu-devel] [PATCH for-2.1] block: Fix bdrv_is_allocated() return value Kevin Wolf
2014-07-07 15:50 ` Eric Blake
2014-07-08 12:57 ` Kevin Wolf [this message]
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