diff options
Diffstat (limited to 'fs/ext3/dir.c')
| -rw-r--r-- | fs/ext3/dir.c | 44 |
1 files changed, 9 insertions, 35 deletions
diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index bafdd48eefd..e66e4808719 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c @@ -309,43 +309,17 @@ struct fname { */ static void free_rb_tree_fname(struct rb_root *root) { - struct rb_node *n = root->rb_node; - struct rb_node *parent; - struct fname *fname; - - while (n) { - /* Do the node's children first */ - if (n->rb_left) { - n = n->rb_left; - continue; - } - if (n->rb_right) { - n = n->rb_right; - continue; - } - /* - * The node has no children; free it, and then zero - * out parent's link to it. Finally go to the - * beginning of the loop and try to free the parent - * node. - */ - parent = rb_parent(n); - fname = rb_entry(n, struct fname, rb_hash); - while (fname) { - struct fname * old = fname; + struct fname *fname, *next; + + rbtree_postorder_for_each_entry_safe(fname, next, root, rb_hash) + do { + struct fname *old = fname; fname = fname->next; - kfree (old); - } - if (!parent) - *root = RB_ROOT; - else if (parent->rb_left == n) - parent->rb_left = NULL; - else if (parent->rb_right == n) - parent->rb_right = NULL; - n = parent; - } -} + kfree(old); + } while (fname); + *root = RB_ROOT; +} static struct dir_private_info *ext3_htree_create_dir_info(struct file *filp, loff_t pos) |