#ifndef jffs2_private_h #define jffs2_private_h #include <jffs2/jffs2.h> struct b_node { u32 offset; struct b_node *next; enum { CRC_UNKNOWN = 0, CRC_OK, CRC_BAD } datacrc; }; struct b_list { struct b_node *listTail; struct b_node *listHead; #ifdef CONFIG_SYS_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; void *readbuf; }; 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; } } 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 */