diff mbox series

[PULL,23/27] block/stream: use buffer-based io

Message ID 20190430154244.30083-24-kwolf@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/27] tests/qemu-iotests: Fix output of qemu-io related tests | expand

Commit Message

Kevin Wolf April 30, 2019, 3:42 p.m. UTC 
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/stream.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
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Patch

diff --git a/block/stream.c b/block/stream.c
index bfaebb861a..1a906fd860 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -42,12 +42,10 @@  static int coroutine_fn stream_populate(BlockBackend *blk,
                                         int64_t offset, uint64_t bytes,
                                         void *buf)
 {
-    QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
-
     assert(bytes < SIZE_MAX);
 
     /* Copy-on-read the unallocated clusters */
-    return blk_co_preadv(blk, offset, qiov.size, &qiov, BDRV_REQ_COPY_ON_READ);
+    return blk_co_pread(blk, offset, bytes, buf, BDRV_REQ_COPY_ON_READ);
 }
 
 static void stream_abort(Job *job)