blkdev->file_blk = BLOCK_SIZE;
+ blkdev->feature_grant_copy =
+ (xengnttab_grant_copy(blkdev->xendev.gnttabdev, 0, NULL) == 0);
+
+ xen_pv_printf(&blkdev->xendev, 3, "grant copy operation %s\n",
+ blkdev->feature_grant_copy ? "enabled" : "disabled");
+
/* fill info
* blk_connect supplies sector-size and sectors
*/
xenstore_write_be_int(&blkdev->xendev, "feature-flush-cache", 1);
- xenstore_write_be_int(&blkdev->xendev, "feature-persistent", 1);
+ xenstore_write_be_int(&blkdev->xendev, "feature-persistent",
+ !blkdev->feature_grant_copy);
xenstore_write_be_int(&blkdev->xendev, "info", info);
blk_parse_discard(blkdev);
xen_be_bind_evtchn(&blkdev->xendev);
- blkdev->feature_grant_copy =
- (xengnttab_grant_copy(blkdev->xendev.gnttabdev, 0, NULL) == 0);
-
- xen_pv_printf(&blkdev->xendev, 3, "grant copy operation %s\n",
- blkdev->feature_grant_copy ? "enabled" : "disabled");
-
xen_pv_printf(&blkdev->xendev, 1, "ok: proto %s, ring-ref %d, "
"remote port %d, local port %d\n",
blkdev->xendev.protocol, blkdev->ring_ref,