Look Ma' what I found on my harddisk ...

 o New faster syscalls for 2.1.x, too
 o Upgrade to 2.1.89.

Don't try to run this.  It's flaky as hell.  But feel free to debug ...

1 files changed, 65 insertions, 59 deletions

diff --git a/include/linux/umsdos_fs.h b/include/linux/umsdos_fs.h
index b25f0c31e..730517cef 100644
--- a/include/linux/umsdos_fs.h
+++ b/include/linux/umsdos_fs.h
@@ -4,6 +4,8 @@
 #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
@@ -20,32 +22,34 @@
 #include <linux/ioctl.h>
 #endif
 
+
 struct umsdos_fake_info {
-	char fname[13];
-	int  len;
+  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[] */
+  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 */
@@ -58,15 +62,16 @@ struct umsdos_dirent {
 #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 */
+  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) */
@@ -88,38 +93,39 @@ struct umsdos_info{
 #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 */
-	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;
+  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 */