From ea7415cca922389b4f3c0cf75e0af9fbf827880e Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 20 Oct 2006 14:41:05 -0700 Subject: [PATCH] [JFFS2] Use rb_first() and rb_last() cleanup Use rb_first() and rb_last() to implement frag_first() and frag_last(). Signed-off-by: Akinbou Mita Signed-off-by: Andrew Morton Signed-off-by: David Woodhouse --- fs/jffs2/nodelist.h | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h index 0ddfd70..4178b4b5 100644 --- a/fs/jffs2/nodelist.h +++ b/fs/jffs2/nodelist.h @@ -294,23 +294,21 @@ static inline int jffs2_encode_dev(union jffs2_device_node *jdev, dev_t rdev) static inline struct jffs2_node_frag *frag_first(struct rb_root *root) { - struct rb_node *node = root->rb_node; + struct rb_node *node = rb_first(root); if (!node) return NULL; - while(node->rb_left) - node = node->rb_left; + return rb_entry(node, struct jffs2_node_frag, rb); } static inline struct jffs2_node_frag *frag_last(struct rb_root *root) { - struct rb_node *node = root->rb_node; + struct rb_node *node = rb_last(root); if (!node) return NULL; - while(node->rb_right) - node = node->rb_right; + return rb_entry(node, struct jffs2_node_frag, rb); } -- 2.7.4