diff options
| author | Cody P Schafer <cody@linux.vnet.ibm.com> | 2014-01-23 15:56:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-23 16:37:03 -0800 |
| commit | bb25e49ff8ab0ef0b3c073c09d55cf10ef8a2aa0 (patch) | |
| tree | 0eb5d1ca02d4e9caccd9716e35d5baa448eb73c8 /fs/ubifs/tnc.c | |
| parent | b182837ac111e87f8e82cbcb0046449d9412187f (diff) | |
fs/ubifs: use rbtree postorder iteration helper instead of opencoding
Use rbtree_postorder_for_each_entry_safe() to destroy the rbtree instead
of opencoding an alternate postorder iteration that modifies the tree
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ubifs/tnc.c')
| -rw-r--r-- | fs/ubifs/tnc.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c index 349f31a30f40..9083bc7ed4ae 100644 --- a/fs/ubifs/tnc.c +++ b/fs/ubifs/tnc.c @@ -178,27 +178,11 @@ static int ins_clr_old_idx_znode(struct ubifs_info *c, */ void destroy_old_idx(struct ubifs_info *c) { - struct rb_node *this = c->old_idx.rb_node; - struct ubifs_old_idx *old_idx; + struct ubifs_old_idx *old_idx, *n; - while (this) { - if (this->rb_left) { - this = this->rb_left; - continue; - } else if (this->rb_right) { - this = this->rb_right; - continue; - } - old_idx = rb_entry(this, struct ubifs_old_idx, rb); - this = rb_parent(this); - if (this) { - if (this->rb_left == &old_idx->rb) - this->rb_left = NULL; - else - this->rb_right = NULL; - } + rbtree_postorder_for_each_entry_safe(old_idx, n, &c->old_idx, rb) kfree(old_idx); - } + c->old_idx = RB_ROOT; } |