@@ -639,8 +639,10 @@ vpc_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
qemu_iovec_reset(&local_qiov);
qemu_iovec_concat(&local_qiov, qiov, bytes_done, n_bytes);
+ qemu_co_mutex_unlock(&s->lock);
ret = bdrv_co_preadv(bs->file, image_offset, n_bytes,
&local_qiov, 0);
+ qemu_co_mutex_lock(&s->lock);
if (ret < 0) {
goto fail;
}
@@ -697,8 +699,10 @@ vpc_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
qemu_iovec_reset(&local_qiov);
qemu_iovec_concat(&local_qiov, qiov, bytes_done, n_bytes);
+ qemu_co_mutex_unlock(&s->lock);
ret = bdrv_co_pwritev(bs->file, image_offset, n_bytes,
&local_qiov, 0);
+ qemu_co_mutex_lock(&s->lock);
if (ret < 0) {
goto fail;
}