diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index dadf9bf30f08..1d22c5c05b50 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -672,6 +672,13 @@ static noinline int create_subvol(struct mnt_idmap *idmap, goto out; } + /* + * Subvolumes have orphans cleaned on first dentry lookup. A new + * subvolume cannot have any orphans, so we should set the bit before we + * add the subvolume dentry to the dentry cache, so that it is in the + * same state as a subvolume after first lookup. + */ + set_bit(BTRFS_ROOT_ORPHAN_CLEANUP, &new_root->state); d_instantiate_new(dentry, new_inode_args.inode); new_inode_args.inode = NULL;