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- /*
- * Name : qnx4_fs.h
- * Author : Richard Frowijn
- * Function : qnx4 global filesystem definitions
- * History : 23-03-1998 created
- */
- #ifndef _LINUX_QNX4_FS_H
- #define _LINUX_QNX4_FS_H
- #include <linux/types.h>
- #include <linux/qnxtypes.h>
- #include <linux/magic.h>
- #define QNX4_ROOT_INO 1
- #define QNX4_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_VALID_FS 0x0001 /* Clean fs. */
- #define QNX4_ERROR_FS 0x0002 /* fs has errors. */
- #define QNX4_BLOCK_SIZE 0x200 /* blocksize of 512 bytes */
- #define QNX4_BLOCK_SIZE_BITS 9 /* blocksize shift */
- #define QNX4_DIR_ENTRY_SIZE 0x040 /* dir entry size of 64 bytes */
- #define QNX4_DIR_ENTRY_SIZE_BITS 6 /* dir entry size shift */
- #define QNX4_XBLK_ENTRY_SIZE 0x200 /* xblk entry size */
- #define QNX4_INODES_PER_BLOCK 0x08 /* 512 / 64 */
- /* for filenames */
- #define QNX4_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[QNX4_SHORT_NAME_MAX];
- qnx4_off_t di_size;
- qnx4_xtnt_t di_first_xtnt;
- __le32 di_xblk;
- __le32 di_ftime;
- __le32 di_mtime;
- __le32 di_atime;
- __le32 di_ctime;
- qnx4_nxtnt_t di_num_xtnts;
- qnx4_mode_t di_mode;
- qnx4_muid_t di_uid;
- qnx4_mgid_t di_gid;
- qnx4_nlink_t di_nlink;
- __u8 di_zero[4];
- qnx4_ftype_t di_type;
- __u8 di_status;
- };
- struct qnx4_link_info {
- char dl_fname[QNX4_NAME_MAX];
- __le32 dl_inode_blk;
- __u8 dl_inode_ndx;
- __u8 dl_spare[10];
- __u8 dl_status;
- };
- struct qnx4_xblk {
- __le32 xblk_next_xblk;
- __le32 xblk_prev_xblk;
- __u8 xblk_num_xtnts;
- __u8 xblk_spare[3];
- __le32 xblk_num_blocks;
- qnx4_xtnt_t xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK];
- char xblk_signature[8];
- qnx4_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;
- };
- #endif
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