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- #ifndef LINUX_UMSDOS_FS_H
- #define LINUX_UMSDOS_FS_H
-
-
- #define UMS_DEBUG 1 /* define for check_* functions */
- /*#define UMSDOS_DEBUG 1*/
- #define UMSDOS_PARANOIA 1
-
- #define UMSDOS_VERSION 0
- #define UMSDOS_RELEASE 4
-
- #define UMSDOS_ROOT_INO 1
-
- /* This is the file acting as a directory extension */
- #define UMSDOS_EMD_FILE "--linux-.---"
- #define UMSDOS_EMD_NAMELEN 12
- #define UMSDOS_PSDROOT_NAME "linux"
- #define UMSDOS_PSDROOT_LEN 5
-
- #ifndef _LINUX_TYPES_H
- #include <linux/types.h>
- #endif
- #ifndef _LINUX_LIMITS_H
- #include <linux/limits.h>
- #endif
- #ifndef _LINUX_DIRENT_H
- #include <linux/dirent.h>
- #endif
- #ifndef _LINUX_IOCTL_H
- #include <linux/ioctl.h>
- #endif
-
-
- #ifdef __KERNEL__
- /* #Specification: convention / PRINTK Printk and printk
- * Here is the convention for the use of printk inside fs/umsdos
- *
- * printk carry important message (error or status).
- * Printk is for debugging (it is a macro defined at the beginning of
- * most source.
- * PRINTK is a nulled Printk macro.
- *
- * This convention makes the source easier to read, and Printk easier
- * to shut off.
- */
- # define PRINTK(x)
- # ifdef UMSDOS_DEBUG
- # define Printk(x) printk x
- # else
- # define Printk(x)
- # endif
- #endif
-
-
- struct umsdos_fake_info {
- char fname[13];
- int len;
- };
-
- #define UMSDOS_MAXNAME 220
- /* This structure is 256 bytes large, depending on the name, only part */
- /* of it is written to disk */
- /* nice though it would be, I can't change this and preserve backward compatibility */
- struct umsdos_dirent {
- unsigned char name_len; /* if == 0, then this entry is not used */
- unsigned char flags; /* UMSDOS_xxxx */
- unsigned short nlink; /* How many hard links point to this entry */
- uid_t uid; /* Owner user id */
- gid_t gid; /* Group id */
- time_t atime; /* Access time */
- time_t mtime; /* Last modification time */
- time_t ctime; /* Creation time */
- dev_t rdev; /* major and minor number of a device */
- /* special file */
- umode_t mode; /* Standard UNIX permissions bits + type of */
- char spare[12]; /* unused bytes for future extensions */
- /* file, see linux/stat.h */
- char name[UMSDOS_MAXNAME]; /* Not '\0' terminated */
- /* but '\0' padded, so it will allow */
- /* for adding news fields in this record */
- /* by reducing the size of name[] */
- };
-
- #define UMSDOS_HIDDEN 1 /* Never show this entry in directory search */
- #define UMSDOS_HLINK 2 /* It is a (pseudo) hard link */
-
- /* #Specification: EMD file / record size
- * Entry are 64 bytes wide in the EMD file. It allows for a 30 characters
- * name. If a name is longer, contiguous entries are allocated. So a
- * umsdos_dirent may span multiple records.
- */
-
- #define UMSDOS_REC_SIZE 64
-
- /* Translation between MSDOS name and UMSDOS name */
-
- struct umsdos_info {
- int msdos_reject; /* Tell if the file name is invalid for MSDOS */
- /* See umsdos_parse */
- struct umsdos_fake_info fake;
- struct umsdos_dirent entry;
- off_t f_pos; /* offset of the entry in the EMD file
- * or offset where the entry may be store
- * if it is a new entry
- */
- int recsize; /* Record size needed to store entry */
- };
-
- /* Definitions for ioctl (number randomly chosen)
- * The next ioctl commands operate only on the DOS directory
- * The file umsdos_progs/umsdosio.c contain a string table
- * based on the order of those definition. Keep it in sync
- */
- #define UMSDOS_READDIR_DOS _IO(0x04,210) /* Do a readdir of the DOS directory */
- #define UMSDOS_UNLINK_DOS _IO(0x04,211) /* Erase in the DOS directory only */
- #define UMSDOS_RMDIR_DOS _IO(0x04,212) /* rmdir in the DOS directory only */
- #define UMSDOS_STAT_DOS _IO(0x04,213) /* Get info about a file */
-
- /* The next ioctl commands operate only on the EMD file */
- #define UMSDOS_CREAT_EMD _IO(0x04,214) /* Create a file */
- #define UMSDOS_UNLINK_EMD _IO(0x04,215) /* unlink (rmdir) a file */
- #define UMSDOS_READDIR_EMD _IO(0x04,216) /* read the EMD file only. */
- #define UMSDOS_GETVERSION _IO(0x04,217) /* Get the release number of UMSDOS */
- #define UMSDOS_INIT_EMD _IO(0x04,218) /* Create the EMD file if not there */
- #define UMSDOS_DOS_SETUP _IO(0x04,219) /* Set the defaults of the MS-DOS driver. */
-
- #define UMSDOS_RENAME_DOS _IO(0x04,220) /* rename a file/directory in the DOS
- * directory only */
- struct umsdos_ioctl {
- struct dirent dos_dirent;
- struct umsdos_dirent umsdos_dirent;
- /* The following structure is used to exchange some data
- * with utilities (umsdos_progs/util/umsdosio.c). The first
- * releases were using struct stat from "sys/stat.h". This was
- * causing some problem for cross compilation of the kernel
- * Since I am not really using the structure stat, but only some field
- * of it, I have decided to replicate the structure here
- * for compatibility with the binaries out there
- * FIXME PTW 1998, this has probably changed
- */
-
- struct {
- dev_t st_dev;
- unsigned short __pad1;
- ino_t st_ino;
- umode_t st_mode;
- nlink_t st_nlink;
- uid_t st_uid;
- gid_t st_gid;
- dev_t st_rdev;
- unsigned short __pad2;
- off_t st_size;
- unsigned long st_blksize;
- unsigned long st_blocks;
- time_t st_atime;
- unsigned long __unused1;
- time_t st_mtime;
- unsigned long __unused2;
- time_t st_ctime;
- unsigned long __unused3;
- unsigned long __unused4;
- unsigned long __unused5;
- } stat;
- char version, release;
- };
-
- /* Different macros to access struct umsdos_dirent */
- #define EDM_ENTRY_ISUSED(e) ((e)->name_len!=0)
-
- #ifdef __KERNEL__
-
- #ifndef LINUX_FS_H
- #include <linux/fs.h>
- #endif
-
- extern struct inode_operations umsdos_dir_inode_operations;
- extern struct file_operations umsdos_file_operations;
- extern struct inode_operations umsdos_file_inode_operations;
- extern struct inode_operations umsdos_file_inode_operations_no_bmap;
- extern struct inode_operations umsdos_file_inode_operations_readpage;
- extern struct inode_operations umsdos_symlink_inode_operations;
- extern int init_umsdos_fs (void);
-
- #include <linux/umsdos_fs.p>
-
- #endif /* __KERNEL__ */
-
- #endif
-