grub-0.97/stage2/fsys_ext2fs.c

43 typedef unsigned int __u32;
57     __u32 s_inodes_count;	/* Inodes count */
58     __u32 s_blocks_count;	/* Blocks count */
59     __u32 s_r_blocks_count;	/* Reserved blocks count */
60     __u32 s_free_blocks_count;	/* Free blocks count */
61     __u32 s_free_inodes_count;	/* Free inodes count */
62     __u32 s_first_data_block;	/* First Data Block */
63     __u32 s_log_block_size;	/* Block size */
65     __u32 s_blocks_per_group;	/* # Blocks per group */
66     __u32 s_frags_per_group;	/* # Fragments per group */
67     __u32 s_inodes_per_group;	/* # Inodes per group */
68     __u32 s_mtime;		/* Mount time */
69     __u32 s_wtime;		/* Write time */
76     __u32 s_lastcheck;		/* time of last check */
77     __u32 s_checkinterval;	/* max. time between checks */
78     __u32 s_creator_os;		/* OS */
79     __u32 s_rev_level;		/* Revision level */
95    __u32 s_first_ino;		/* First non-reserved inode */
98    __u32 s_feature_compat;	/* compatible feature set */
99    __u32 s_feature_incompat;	/* incompatible feature set */
100    __u32 s_feature_ro_compat;	/* readonly-compatible feature set */
104    __u32 s_algorithm_usage_bitmap; /* For compression */
116    __u32 s_journal_inum;	/* inode number of journal file */
117    __u32 s_journal_dev;	/* device number of journal file */
118    __u32 s_last_orphan;	/* start of list of inodes to delete */
119    __u32 s_hash_seed[4];	/* HTREE hash seed */
123    __u32 s_default_mount_opts;
124    __u32 s_first_meta_bg;	/* First metablock group */
125    __u32 s_mkfs_time;		/* When the filesystem was created */
126    __u32 s_jnl_blocks[17]; 	/* Backup of the journal inode */
127    __u32 s_reserved[172];	/* Padding to the end of the block */
132     __u32 bg_block_bitmap;	/* Blocks bitmap block */
133     __u32 bg_inode_bitmap;	/* Inodes bitmap block */
134     __u32 bg_inode_table;	/* Inodes table block */
139     __u32 bg_reserved[3];
146     __u32 i_size;		/* 4: Size in bytes */
147     __u32 i_atime;		/* Access time */
148     __u32 i_ctime;		/* 12: Creation time */
149     __u32 i_mtime;		/* Modification time */
150     __u32 i_dtime;		/* 20: Deletion Time */
153     __u32 i_blocks;		/* Blocks count */
154     __u32 i_flags;		/* 32: File flags */
159 	    __u32 l_i_reserved1;
164 	    __u32 h_i_translator;
169 	    __u32 m_i_reserved1;
174     __u32 i_block[EXT2_N_BLOCKS];	/* 40: Pointers to blocks */
175     __u32 i_version;		/* File version (for NFS) */
176     __u32 i_file_acl;		/* File ACL */
177     __u32 i_dir_acl;		/* Directory ACL */
178     __u32 i_faddr;		/* Fragment address */
186 	    __u32 l_i_reserved2[2];
196 	    __u32 h_i_author;
204 	    __u32 m_i_reserved2[2];
221     __u32 inode;		/* Inode number */
263 #define EXT2_ADDR_PER_BLOCK(s)          (EXT2_BLOCK_SIZE(s) / sizeof (__u32))
380       return ((__u32 *) DATABLOCK1)[logical_block];
395       if ((bnum = (((__u32 *) DATABLOCK1)
404       return ((__u32 *) DATABLOCK2)
417   if (!ext2_rdfsb (((__u32 *) DATABLOCK1)
425   if (!ext2_rdfsb (((__u32 *) DATABLOCK2)
433   return ((__u32 *) DATABLOCK2)