Commit b3981564 authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcachefs: Clear fs_path_parent on subvolume unlink 



This fixes recursive subvolume removal.

Subvolume deletion is asynchronous; fs_path_parent, and thus the entry
in the subvolume_children btree, need to be cleared when the subvolume
is unlinked from the fs heirarchy - else we'll spuriously think a
subvolume has children and deletion will fail.

Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 63c3b8f6

fs/bcachefs/subvolume.c

+1 −0
Original line number Diff line number Diff line
@@ -561,6 +561,7 @@ int bch2_subvolume_unlink(struct btree_trans *trans, u32 subvolid) 
	}



	SET_BCH_SUBVOLUME_UNLINKED(&n->v, true);

	n->v.fs_path_parent = 0;

	bch2_trans_iter_exit(trans, &iter);

	return ret;

}