diff options
Diffstat (limited to 'mkfs/main.c')
| -rw-r--r-- | mkfs/main.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mkfs/main.c b/mkfs/main.c index 5a717f70..40efa26b 100644 --- a/mkfs/main.c +++ b/mkfs/main.c @@ -315,6 +315,7 @@ static int create_tree(struct btrfs_trans_handle *trans, struct btrfs_key location; struct btrfs_root_item root_item; struct extent_buffer *tmp; + u8 uuid[BTRFS_UUID_SIZE] = {0}; int ret; ret = btrfs_copy_root(trans, root, root->node, &tmp, objectid); @@ -325,6 +326,10 @@ static int create_tree(struct btrfs_trans_handle *trans, btrfs_set_root_bytenr(&root_item, tmp->start); btrfs_set_root_level(&root_item, btrfs_header_level(tmp)); btrfs_set_root_generation(&root_item, trans->transid); + /* clear uuid and o/ctime of source tree */ + memcpy(root_item.uuid, uuid, BTRFS_UUID_SIZE); + btrfs_set_stack_timespec_sec(&root_item.otime, 0); + btrfs_set_stack_timespec_sec(&root_item.ctime, 0); free_extent_buffer(tmp); location.objectid = objectid; |