#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 {
- char *partOffset;
- struct b_node *dirListTail;
- struct b_node *dirListHead;
- u32 dirListCount;
- u32 dirListMemBase;
- struct b_node *fragListTail;
- struct b_node *fragListHead;
- u32 fragListCount;
- u32 fragListMemBase;
+ struct b_list dir;
+ struct b_list frag;
};
+
struct b_compr_info {
u32 num_frags;
u32 compr_sum;
static inline int
hdr_crc(struct jffs2_unknown_node *node)
{
- u32 crc = crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
- u32 crc_blah = crc32_no_comp(~0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
-
- crc_blah ^= ~0;
+#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);
- if (node->hdr_crc != crc) {
- return 0;
- } else {
- return 1;
- }
+ 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;
- }
+ 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;
- }
+ 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;
- }
+ if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_inode) - 8)) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+static inline int
+data_crc(struct jffs2_raw_inode *node)
+{
+ if (node->data_crc != crc32_no_comp(0, (unsigned char *)
+ ((int) &node->node_crc + sizeof (node->node_crc)),
+ node->csize)) {
+ return 0;
+ } else {
+ return 1;
+ }
}
#endif /* jffs2_private.h */