[Libguestfs] [PATCH 2/3] uuid: cannot change btrfs filesystem's UUID
Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com>
---
daemon/uuids.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/daemon/uuids.c b/daemon/uuids.c
index 431d867..06b33e9 100644
--- a/daemon/uuids.c
+++ b/daemon/uuids.c
@@ -110,6 +110,11 @@ do_set_uuid (const char *device, const char *uuid)
else if (STREQ (vfs_type, "swap"))
r = swapuuid (device, uuid);
+ else if (STREQ (vfs_type, "btrfs")) {
+ reply_with_error ("btrfs filesystems' UUID cannot be changed");
+ r = -1;
+ }
+
else {
reply_with_error ("don't know how to set the UUID for '%s'
filesystems",
vfs_type);
--
1.9.3