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Re: [Qemu-devel] [PATCH v2] qcow2: Unlock during COW
From: |
Marc-André Lureau |
Subject: |
Re: [Qemu-devel] [PATCH v2] qcow2: Unlock during COW |
Date: |
Sat, 5 May 2012 02:21:44 +0200 |
Hi
On Mon, Nov 14, 2011 at 6:55 PM, Kevin Wolf <address@hidden> wrote:
> Unlocking during COW allows for more parallelism. One change it requires is
> that buffers are dynamically allocated instead of just using a per-image
> buffer.
This commit introduces failure with preallocation and some sizes:
qemu-img create -f qcow2 new.img 976563K -o preallocation=metadata
qemu-img: qemu-coroutine-lock.c:111: qemu_co_mutex_unlock: Assertion
`mutex->locked == 1' failed.
regards
--
Marc-André Lureau
- Re: [Qemu-devel] [PATCH v2] qcow2: Unlock during COW,
Marc-André Lureau <=