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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-04-22 17:58:36 +0300
committerKevin Wolf <kwolf@redhat.com>2019-04-30 15:29:00 +0200
commit08b6261f34e4800f99f3ce9d47bfb95c2f15b656 (patch)
tree836f9a29712ea6df254945d1f204cf7eab0a0c77 /block/commit.c
parent607dbdc4e09bfefa3f165079a5e87df035a0e26c (diff)
downloadfocaccia-qemu-08b6261f34e4800f99f3ce9d47bfb95c2f15b656.tar.gz
focaccia-qemu-08b6261f34e4800f99f3ce9d47bfb95c2f15b656.zip
block/commit: use buffer-based io
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>
Diffstat (limited to 'block/commit.c')
-rw-r--r--block/commit.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/block/commit.c b/block/commit.c
index ba60fef58a..08204fa6f8 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -48,16 +48,15 @@ static int coroutine_fn commit_populate(BlockBackend *bs, BlockBackend *base,
                                         void *buf)
 {
     int ret = 0;
-    QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
 
     assert(bytes < SIZE_MAX);
 
-    ret = blk_co_preadv(bs, offset, qiov.size, &qiov, 0);
+    ret = blk_co_pread(bs, offset, bytes, buf, 0);
     if (ret < 0) {
         return ret;
     }
 
-    ret = blk_co_pwritev(base, offset, qiov.size, &qiov, 0);
+    ret = blk_co_pwrite(base, offset, bytes, buf, 0);
     if (ret < 0) {
         return ret;
     }