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authorMichel Lespinasse <walken@google.com>2012-10-09 01:31:01 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-09 09:22:35 +0200
commit7ce6ff9e5de99e7b72019c7de82fb438fe1dc5a0 (patch)
tree8caa4509f6421f5e923a1dc361013db629f80f54 /lib/rbtree.c
parentrbtree: low level optimizations in __rb_erase_color() (diff)
downloadlinux-7ce6ff9e5de99e7b72019c7de82fb438fe1dc5a0.tar.xz
linux-7ce6ff9e5de99e7b72019c7de82fb438fe1dc5a0.zip
rbtree: coding style adjustments
Set comment and indentation style to be consistent with linux coding style and the rest of the file, as suggested by Peter Zijlstra Signed-off-by: Michel Lespinasse <walken@google.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Acked-by: David Woodhouse <David.Woodhouse@intel.com> Cc: Rik van Riel <riel@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Daniel Santos <daniel.santos@pobox.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/rbtree.c')
-rw-r--r--lib/rbtree.c42
1 files changed, 23 insertions, 19 deletions
diff --git a/lib/rbtree.c b/lib/rbtree.c
index a38e473d8fe7..08926709b4f9 100644
--- a/lib/rbtree.c
+++ b/lib/rbtree.c
@@ -363,8 +363,7 @@ void rb_erase(struct rb_node *node, struct rb_root *root)
child = node->rb_right;
else if (!node->rb_right)
child = node->rb_left;
- else
- {
+ else {
struct rb_node *old = node, *left;
node = node->rb_right;
@@ -406,17 +405,15 @@ void rb_erase(struct rb_node *node, struct rb_root *root)
if (child)
rb_set_parent(child, parent);
- if (parent)
- {
+ if (parent) {
if (parent->rb_left == node)
parent->rb_left = child;
else
parent->rb_right = child;
- }
- else
+ } else
root->rb_node = child;
- color:
+color:
if (color == RB_BLACK)
__rb_erase_color(child, parent, root);
}
@@ -529,8 +526,10 @@ struct rb_node *rb_next(const struct rb_node *node)
if (RB_EMPTY_NODE(node))
return NULL;
- /* If we have a right-hand child, go down and then left as far
- as we can. */
+ /*
+ * If we have a right-hand child, go down and then left as far
+ * as we can.
+ */
if (node->rb_right) {
node = node->rb_right;
while (node->rb_left)
@@ -538,12 +537,13 @@ struct rb_node *rb_next(const struct rb_node *node)
return (struct rb_node *)node;
}
- /* No right-hand children. Everything down and left is
- smaller than us, so any 'next' node must be in the general
- direction of our parent. Go up the tree; any time the
- ancestor is a right-hand child of its parent, keep going
- up. First time it's a left-hand child of its parent, said
- parent is our 'next' node. */
+ /*
+ * No right-hand children. Everything down and left is smaller than us,
+ * so any 'next' node must be in the general direction of our parent.
+ * Go up the tree; any time the ancestor is a right-hand child of its
+ * parent, keep going up. First time it's a left-hand child of its
+ * parent, said parent is our 'next' node.
+ */
while ((parent = rb_parent(node)) && node == parent->rb_right)
node = parent;
@@ -558,8 +558,10 @@ struct rb_node *rb_prev(const struct rb_node *node)
if (RB_EMPTY_NODE(node))
return NULL;
- /* If we have a left-hand child, go down and then right as far
- as we can. */
+ /*
+ * If we have a left-hand child, go down and then right as far
+ * as we can.
+ */
if (node->rb_left) {
node = node->rb_left;
while (node->rb_right)
@@ -567,8 +569,10 @@ struct rb_node *rb_prev(const struct rb_node *node)
return (struct rb_node *)node;
}
- /* No left-hand children. Go up till we find an ancestor which
- is a right-hand child of its parent */
+ /*
+ * No left-hand children. Go up till we find an ancestor which
+ * is a right-hand child of its parent.
+ */
while ((parent = rb_parent(node)) && node == parent->rb_left)
node = parent;