diff options
Diffstat (limited to 'pfinet/linux-src/include/linux/qnx4_fs.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/qnx4_fs.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/qnx4_fs.h b/pfinet/linux-src/include/linux/qnx4_fs.h new file mode 100644 index 00000000..c5a01039 --- /dev/null +++ b/pfinet/linux-src/include/linux/qnx4_fs.h @@ -0,0 +1,123 @@ +/* + * 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 struct dentry *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 |