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authorAkinobu Mita <akinobu.mita@gmail.com>2006-10-20 17:41:05 -0400
committerDavid Woodhouse <dwmw2@infradead.org>2006-10-21 11:21:40 -0400
commitea7415cca922389b4f3c0cf75e0af9fbf827880e (patch)
tree0dffbaa5e92b3bf4d0e48f5b6b6e37ca31bc3a01 /fs/jffs2/nodelist.h
parent29175778b07aa60e7f8030bd95d69f70070cc1f7 (diff)
[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 <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'fs/jffs2/nodelist.h')
-rw-r--r--fs/jffs2/nodelist.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 0ddfd70307fb..4178b4b55948 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)
294 294
295static inline struct jffs2_node_frag *frag_first(struct rb_root *root) 295static inline struct jffs2_node_frag *frag_first(struct rb_root *root)
296{ 296{
297 struct rb_node *node = root->rb_node; 297 struct rb_node *node = rb_first(root);
298 298
299 if (!node) 299 if (!node)
300 return NULL; 300 return NULL;
301 while(node->rb_left) 301
302 node = node->rb_left;
303 return rb_entry(node, struct jffs2_node_frag, rb); 302 return rb_entry(node, struct jffs2_node_frag, rb);
304} 303}
305 304
306static inline struct jffs2_node_frag *frag_last(struct rb_root *root) 305static inline struct jffs2_node_frag *frag_last(struct rb_root *root)
307{ 306{
308 struct rb_node *node = root->rb_node; 307 struct rb_node *node = rb_last(root);
309 308
310 if (!node) 309 if (!node)
311 return NULL; 310 return NULL;
312 while(node->rb_right) 311
313 node = node->rb_right;
314 return rb_entry(node, struct jffs2_node_frag, rb); 312 return rb_entry(node, struct jffs2_node_frag, rb);
315} 313}
316 314