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qcow2: Remove bogus unlock of s->lock

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The unlock wakes up the next coroutine, but the currently running
coroutine will lock it again before it yields, so this doesn't make a
lot of sense.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf 2013-03-26 17:49:55 +01:00 committed by Stefan Hajnoczi
parent c349ca4bb2
commit 9ee6439e27
1 changed files with 0 additions and 2 deletions
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2
block/qcow2.c
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@ -869,9 +869,7 @@ static coroutine_fn int qcow2_co_writev(BlockDriverState *bs,
QLIST_REMOVE(l2meta, next_in_flight);
}
qemu_co_mutex_unlock(&s->lock);
qemu_co_queue_restart_all(&l2meta->dependent_requests);
qemu_co_mutex_lock(&s->lock);
g_free(l2meta);
l2meta = NULL;