init commit via android 4.4 uboot

1 files changed, 88 insertions, 0 deletions

diff --git a/fs/jffs2/jffs2_private.h b/fs/jffs2/jffs2_private.h
new file mode 100755
index 0000000..65ca6eb
--- /dev/null
+++ b/fs/jffs2/jffs2_private.h
@@ -0,0 +1,88 @@
+#ifndef jffs2_private_h
+#define jffs2_private_h
+
+#include <jffs2/jffs2.h>
+
+
+struct b_node {
+	u32 offset;
+	struct b_node *next;
+};
+
+struct b_list {
+	struct b_node *listTail;
+	struct b_node *listHead;
+#ifdef CFG_JFFS2_SORT_FRAGMENTS
+	struct b_node *listLast;
+	int (*listCompare)(struct b_node *new, struct b_node *node);
+	u32 listLoops;
+#endif
+	u32 listCount;
+	struct mem_block *listMemBase;
+};
+
+struct b_lists {
+	struct b_list dir;
+	struct b_list frag;
+
+};
+
+struct b_compr_info {
+	u32 num_frags;
+	u32 compr_sum;
+	u32 decompr_sum;
+};
+
+struct b_jffs2_info {
+	struct b_compr_info compr_info[JFFS2_NUM_COMPR];
+};
+
+static inline int
+hdr_crc(struct jffs2_unknown_node *node)
+{
+#if 1
+	u32 crc = crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+#else
+	/* what's the semantics of this? why is this here? */
+	u32 crc = crc32_no_comp(~0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+
+	crc ^= ~0;
+#endif
+	if (node->hdr_crc != crc) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
+static inline int
+dirent_crc(struct jffs2_raw_dirent *node)
+{
+	if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_dirent) - 8)) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
+static inline int
+dirent_name_crc(struct jffs2_raw_dirent *node)
+{
+	if (node->name_crc != crc32_no_comp(0, (unsigned char *)&(node->name), node->nsize)) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
+static inline int
+inode_crc(struct jffs2_raw_inode *node)
+{
+	if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_inode) - 8)) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
+#endif /* jffs2_private.h */