[JFFS2] Improve failure mode if inode checking leaves unchecked space.

[linux-2.6] / fs / jffs2 / nodelist.h

diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 0ddfd70307fb33dc1bf27404111bceffd48fa6cd..382662cc61e7891831ae737f22a0a36305d518f5 100644 (file)
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -40,6 +40,9 @@
 #define cpu_to_je32(x) ((jint32_t){x})
 #define cpu_to_jemode(x) ((jmode_t){os_to_jffs2_mode(x)})
 
+#define constant_cpu_to_je16(x) ((jint16_t){x})
+#define constant_cpu_to_je32(x) ((jint32_t){x})
+
 #define je16_to_cpu(x) ((x).v16)
 #define je32_to_cpu(x) ((x).v32)
 #define jemode_to_cpu(x) (jffs2_to_os_mode((x).m))
@@ -48,6 +51,9 @@
 #define cpu_to_je32(x) ((jint32_t){cpu_to_be32(x)})
 #define cpu_to_jemode(x) ((jmode_t){cpu_to_be32(os_to_jffs2_mode(x))})
 
+#define constant_cpu_to_je16(x) ((jint16_t){__constant_cpu_to_be16(x)})
+#define constant_cpu_to_je32(x) ((jint32_t){__constant_cpu_to_be32(x)})
+
 #define je16_to_cpu(x) (be16_to_cpu(x.v16))
 #define je32_to_cpu(x) (be32_to_cpu(x.v32))
 #define jemode_to_cpu(x) (be32_to_cpu(jffs2_to_os_mode((x).m)))
@@ -56,6 +62,9 @@
 #define cpu_to_je32(x) ((jint32_t){cpu_to_le32(x)})
 #define cpu_to_jemode(x) ((jmode_t){cpu_to_le32(os_to_jffs2_mode(x))})
 
+#define constant_cpu_to_je16(x) ((jint16_t){__constant_cpu_to_le16(x)})
+#define constant_cpu_to_je32(x) ((jint32_t){__constant_cpu_to_le32(x)})
+
 #define je16_to_cpu(x) (le16_to_cpu(x.v16))
 #define je32_to_cpu(x) (le32_to_cpu(x.v32))
 #define jemode_to_cpu(x) (le32_to_cpu(jffs2_to_os_mode((x).m)))
@@ -294,23 +303,21 @@ 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);
 }