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authorKevin Wolf <kwolf@redhat.com>2013-03-26 17:49:55 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2013-03-28 11:52:42 +0100
commit9ee6439e27d15c528fde6d9da1e4c238a23b6b7a (patch)
treef472b3df590888298cd9ab28481dce03b67bf3e2
parentc349ca4bb2dbca53c15147d283ea9f6c94376c6c (diff)
qcow2: Remove bogus unlock of s->lock
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>
-rw-r--r--block/qcow2.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 8ea696a1aa..3f7edf5652 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -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;