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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | /* * Name : qnx4_fs.h * Author : Richard Frowijn * Function : qnx4 global filesystem definitions * Version : 1.0 * Last modified : 23-03-1998 * * History : 23-03-1998 created */ #ifndef _LINUX_QNX4_FS_H #define _LINUX_QNX4_FS_H #include <linux/qnxtypes.h> #define QNX4_ROOT_INO 1 #define _MAX_XTNTS_PER_XBLK 60 /* for di_status */ #define QNX4_FILE_USED 0x01 #define QNX4_FILE_MODIFIED 0x02 #define QNX4_FILE_BUSY 0x04 #define QNX4_FILE_LINK 0x08 #define QNX4_FILE_INODE 0x10 #define QNX4_FILE_FSYSCLEAN 0x20 #define QNX4_I_MAP_SLOTS 8 #define QNX4_Z_MAP_SLOTS 64 #define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */ #define QNX4_VALID_FS 0x0001 /* Clean fs. */ #define QNX4_ERROR_FS 0x0002 /* fs has errors. */ #define QNX4_BLOCK_SIZE 0x200 /* blocksize of 512 bytes */ #define QNX4_DIR_ENTRY_SIZE 0x040 /* dir entry size */ #define QNX4_XBLK_ENTRY_SIZE 0x200 /* xblk entry size */ #define QNX4_INODES_PER_BLOCK 0x08 /* 512 / 64 */ /* for filenames */ #define _SHORT_NAME_MAX 16 #define QNX4_NAME_MAX 48 /* * This is the original qnx4 inode layout on disk. */ struct qnx4_inode_entry { char di_fname[16]; off_t di_size; _xtnt_t di_first_xtnt; long di_xblk; time_t di_ftime; time_t di_mtime; time_t di_atime; time_t di_ctime; _nxtnt_t di_num_xtnts; mode_t di_mode; muid_t di_uid; mgid_t di_gid; nlink_t di_nlink; char di_zero[4]; _ftype_t di_type; unsigned char di_status; }; struct qnx4_link_info { char dl_fname[QNX4_NAME_MAX]; long dl_inode_blk; unsigned char dl_inode_ndx; unsigned char dl_spare[10]; unsigned char dl_status; }; struct qnx4_xblk { long xblk_next_xblk; long xblk_prev_xblk; unsigned char xblk_num_xtnts; char xblk_spare[3]; long xblk_num_blocks; _xtnt_t xblk_xnts[_MAX_XTNTS_PER_XBLK]; char xblk_signature[8]; _xtnt_t xblk_first_xtnt; }; struct qnx4_super_block { struct qnx4_inode_entry RootDir; struct qnx4_inode_entry Inode; struct qnx4_inode_entry Boot; struct qnx4_inode_entry AltBoot; }; #ifdef __KERNEL__ #define QNX4_DEBUG 0 #if QNX4_DEBUG #define QNX4DEBUG(X) printk X #else #define QNX4DEBUG(X) (void) 0 #endif extern int qnx4_lookup(struct inode *dir, struct dentry *dentry); extern unsigned long qnx4_count_free_inodes(struct super_block *sb); extern unsigned long qnx4_count_free_blocks(struct super_block *sb); extern struct buffer_head *qnx4_getblk(struct inode *, int, int); extern struct buffer_head *qnx4_bread(struct inode *, int, int); extern int init_qnx4_fs(void); extern int qnx4_create(struct inode *dir, struct dentry *dentry, int mode); extern struct inode_operations qnx4_file_inode_operations; extern struct inode_operations qnx4_dir_inode_operations; extern struct inode_operations qnx4_symlink_inode_operations; extern int qnx4_is_free(struct super_block *sb, int block); extern int qnx4_set_bitmap(struct super_block *sb, int block, int busy); extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode); extern void qnx4_truncate(struct inode *inode); extern void qnx4_free_inode(struct inode *inode); extern int qnx4_unlink(struct inode *dir, struct dentry *dentry); extern int qnx4_rmdir(struct inode *dir, struct dentry *dentry); extern int qnx4_sync_file(struct file *file, struct dentry *dentry); extern int qnx4_sync_inode(struct inode *inode); extern int qnx4_bmap(struct inode *inode, int block); #endif /* __KERNEL__ */ #endif |