Use rb_first() and rb_last() to implement frag_first() and frag_last().
Cc: David Woodhouse <[email protected]>
Signed-off-by: Akinbou Mita <[email protected]>
fs/jffs2/nodelist.h | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
Index: work-fault-inject/fs/jffs2/nodelist.h
===================================================================
--- work-fault-inject.orig/fs/jffs2/nodelist.h
+++ work-fault-inject/fs/jffs2/nodelist.h
@@ -294,23 +294,21 @@ static inline int jffs2_encode_dev(union
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);
}
-
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