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authorPaolo Bonzini <pbonzini@redhat.com>2017-06-29 15:27:39 +0200
committerFam Zheng <famz@redhat.com>2017-07-17 11:28:15 +0800
commita8c57408cd5443186c5b1c7a393702b316d4722b (patch)
tree969fe04ec0433b5519324819f13efd896a6e9270
parent4871b51b9241b10f4fd8e04bbb21577886795e25 (diff)
qcow2: call CoQueue APIs under CoMutex
Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20170629132749.997-2-pbonzini@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
-rw-r--r--block/qcow2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index c144ea5620..d5790af1e0 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2025,8 +2025,6 @@ static coroutine_fn int qcow2_co_pwritev(BlockDriverState *bs, uint64_t offset,
ret = 0;
fail:
- qemu_co_mutex_unlock(&s->lock);
-
while (l2meta != NULL) {
QCowL2Meta *next;
@@ -2040,6 +2038,8 @@ fail:
l2meta = next;
}
+ qemu_co_mutex_unlock(&s->lock);
+
qemu_iovec_destroy(&hd_qiov);
qemu_vfree(cluster_data);
trace_qcow2_writev_done_req(qemu_coroutine_self(), ret);