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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>
This commit is contained in:
Paolo Bonzini 2017-06-29 15:27:39 +02:00 committed by Fam Zheng
parent 4871b51b92
commit a8c57408cd
1 changed files with 2 additions and 2 deletions
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4
block/qcow2.c
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@ -2025,8 +2025,6 @@ static coroutine_fn int qcow2_co_pwritev(BlockDriverState *bs, uint64_t offset,
ret = 0; ret = 0;
fail: fail:
qemu_co_mutex_unlock(&s->lock);
while (l2meta != NULL) { while (l2meta != NULL) {
QCowL2Meta *next; QCowL2Meta *next;
@ -2040,6 +2038,8 @@ fail:
l2meta = next; l2meta = next;
} }
qemu_co_mutex_unlock(&s->lock);
qemu_iovec_destroy(&hd_qiov); qemu_iovec_destroy(&hd_qiov);
qemu_vfree(cluster_data); qemu_vfree(cluster_data);
trace_qcow2_writev_done_req(qemu_coroutine_self(), ret); trace_qcow2_writev_done_req(qemu_coroutine_self(), ret);