qubes-linux-kernel/patches.xen/pvops-blkfront-removable-flag.patch

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 4e86393..34493d7 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1188,6 +1188,7 @@ static void blkfront_connect(struct blkfront_info *info)
 	unsigned int physical_sector_size;
 	unsigned int binfo;
 	int err;
+	int removable;
 
 	switch (info->connected) {
 	case BLKIF_STATE_CONNECTED:
@@ -1266,6 +1266,12 @@ static void blkfront_connect(struct blkfront_info *info)
 		return;
 	}
 
+	err = xenbus_gather(XBT_NIL, info->xbdev->otherend,
+			    "removable", "%d", &removable,
+			    NULL);
+	if (!err && removable)
+		binfo |= VDISK_REMOVABLE;
+
 	err = xlvbd_alloc_gendisk(sectors, info, binfo, sector_size,
				  physical_sector_size);
 	if (err) {