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Commit ea7415cc authored by Akinobu Mita's avatar Akinobu Mita Committed by David Woodhouse
Browse files

[JFFS2] Use rb_first() and rb_last() cleanup 



Use rb_first() and rb_last() to implement frag_first() and frag_last().

Signed-off-by: default avatarAkinbou Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent 29175778

fs/jffs2/nodelist.h

+4 −6
Original line number Original line Diff line number Diff line
@@ -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)

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)

	if (!node)

		return NULL;

		return NULL;

	while(node->rb_left)



		node = node->rb_left;

	return rb_entry(node, struct jffs2_node_frag, rb);

	return rb_entry(node, struct jffs2_node_frag, rb);

}

}





static inline struct jffs2_node_frag *frag_last(struct rb_root *root)

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)

	if (!node)

		return NULL;

		return NULL;

	while(node->rb_right)



		node = node->rb_right;

	return rb_entry(node, struct jffs2_node_frag, rb);

	return rb_entry(node, struct jffs2_node_frag, rb);

}

}