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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-02-18 17:09:12 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2019-02-22 09:42:13 +0000
commitae5a9592ce0d5c11e40667f217b2e2ceba33927f (patch)
tree3efd772dd75d36cb0c3a6fa542a8c28ba89ce044
parent0d93ed08454e76fa943f6f71964362296d41b12e (diff)
downloadfocaccia-qemu-ae5a9592ce0d5c11e40667f217b2e2ceba33927f.tar.gz
focaccia-qemu-ae5a9592ce0d5c11e40667f217b2e2ceba33927f.zip
block/block-backend: use QEMU_IOVEC_INIT_BUF
Use new QEMU_IOVEC_INIT_BUF() instead of
qemu_iovec_init_external( ... , 1), which simplifies the code.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190218140926.333779-4-vsementsov@virtuozzo.com
Message-Id: <20190218140926.333779-4-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--block/block-backend.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index f6ea824308..6cc25569ef 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1204,17 +1204,8 @@ static int blk_prw(BlockBackend *blk, int64_t offset, uint8_t *buf,
                    int64_t bytes, CoroutineEntry co_entry,
                    BdrvRequestFlags flags)
 {
-    QEMUIOVector qiov;
-    struct iovec iov;
-    BlkRwCo rwco;
-
-    iov = (struct iovec) {
-        .iov_base = buf,
-        .iov_len = bytes,
-    };
-    qemu_iovec_init_external(&qiov, &iov, 1);
-
-    rwco = (BlkRwCo) {
+    QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
+    BlkRwCo rwco = {
         .blk    = blk,
         .offset = offset,
         .iobuf  = &qiov,