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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-06-04 19:15:13 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2019-08-27 14:58:42 +0100
commitdf893d25ceea3c0dcbe6d6b425309317fab6b22e (patch)
treefa7e76bfef127b76a5db8a010ef06e57e0a0edab /block/qcow2-cluster.c
parent00721a3529977004da50207ecb4769ef251d7ede (diff)
block/qcow2: implement .bdrv_co_preadv_part
Implement and use new interface to get rid of hd_qiov. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20190604161514.262241-12-vsementsov@virtuozzo.com Message-Id: <20190604161514.262241-12-vsementsov@virtuozzo.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/qcow2-cluster.c')
-rw-r--r--block/qcow2-cluster.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index cc5609e27a..0e4524d450 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -452,8 +452,9 @@ static int coroutine_fn do_perform_cow_read(BlockDriverState *bs,
* interface. This avoids double I/O throttling and request tracking,
* which can lead to deadlock when block layer copy-on-read is enabled.
*/
- ret = bs->drv->bdrv_co_preadv(bs, src_cluster_offset + offset_in_cluster,
- qiov->size, qiov, 0);
+ ret = bs->drv->bdrv_co_preadv_part(bs,
+ src_cluster_offset + offset_in_cluster,
+ qiov->size, qiov, 0, 0);
if (ret < 0) {
return ret;
}