diff mbox series

[8/9] block/stream: use buffer-based io

Message ID 20190422145838.70903-9-vsementsov@virtuozzo.com
State New
Headers show
Series block: buffer-based io | expand

Commit Message

Vladimir Sementsov-Ogievskiy April 22, 2019, 2:58 p.m. UTC 
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 block/stream.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

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)