Commit a8c57408 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Fam Zheng
Browse files

qcow2: call CoQueue APIs under CoMutex 



Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: default avatarFam Zheng <famz@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Message-Id: <20170629132749.997-2-pbonzini@redhat.com>
Signed-off-by: default avatarFam Zheng <famz@redhat.com>
parent 4871b51b

block/qcow2.c

+2 −2
Original line number Diff line number Diff line
@@ -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);