Add supported_truncate_flags

2023-09-06 17:37:52 +03:00
parent 79c6d6f323
commit 85e9f67d9d
1 changed files with 4 additions and 0 deletions
@@ -493,6 +493,10 @@ static int vitastor_file_open(BlockDriverState *bs, QDict *options, int flags, E
        return -1;
    }
    bs->total_sectors = client->size / BDRV_SECTOR_SIZE;
+#if QEMU_VERSION_MAJOR > 5 || QEMU_VERSION_MAJOR == 5 && QEMU_VERSION_MINOR >= 1
+    /* When extending regular files, we get zeros from the OS */
+    bs->supported_truncate_flags = BDRV_REQ_ZERO_WRITE;
+#endif
    //client->aio_context = bdrv_get_aio_context(bs);
    qdict_del(options, "use-rdma");
    qdict_del(options, "rdma-mtu");