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Re: [Qemu-block] [PATCH v3 10/16] block/qcow2: Lock s->lock in prealloca

From: Stefan Hajnoczi
Subject: Re: [Qemu-block] [PATCH v3 10/16] block/qcow2: Lock s->lock in preallocate()
Date: Wed, 31 May 2017 11:24:02 +0100
User-agent: Mutt/1.8.0 (2017-02-23)

On Fri, May 26, 2017 at 06:55:12PM +0200, Max Reitz wrote:
> preallocate() is and will be called only from places that do not lock
> s->lock: Currently that is qcow2_create2(), as of a future patch it will
> be called from qcow2_truncate(), too.
> It therefore makes sense to move locking that mutex into preallocate()
> itself.
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  block/qcow2.c | 22 +++++++++++++++-------
>  1 file changed, 15 insertions(+), 7 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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