[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>
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@ -294,23 +294,21 @@ static inline int jffs2_encode_dev(union jffs2_device_node *jdev, dev_t rdev)
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static inline struct jffs2_node_frag *frag_first(struct rb_root *root)
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{
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struct rb_node *node = root->rb_node;
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struct rb_node *node = rb_first(root);
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if (!node)
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return NULL;
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while(node->rb_left)
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node = node->rb_left;
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return rb_entry(node, struct jffs2_node_frag, rb);
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}
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static inline struct jffs2_node_frag *frag_last(struct rb_root *root)
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{
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struct rb_node *node = root->rb_node;
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struct rb_node *node = rb_last(root);
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if (!node)
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return NULL;
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while(node->rb_right)
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node = node->rb_right;
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return rb_entry(node, struct jffs2_node_frag, rb);
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}
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