increase system-wide filename limit to 255

. move mfs-specific struct, constants to mfs/, so
	  mfs-specific, on-disk format structs and consts are
	  fully isolated from generic structs and functions
	. removes de and readfs utils

common/include/Makefile.inc

@@ -7,7 +7,7 @@ INCS+=  env.h fetch.h hgfs.h lib.h libutil.h timers.h
 INCS+= 	minix/acpi.h minix/ansi.h minix/audio_fw.h minix/bitmap.h \
 	minix/callnr.h minix/com.h minix/compiler.h minix/config.h \
 	minix/const.h minix/cpufeature.h minix/crtso.h minix/debug.h \
-	minix/devio.h minix/devman.h minix/dir.h minix/dmap.h \
+	minix/devio.h minix/devman.h minix/dmap.h \
 	minix/driver.h minix/drivers.h minix/drvlib.h minix/ds.h \
 	minix/endpoint.h minix/fslib.h minix/gcov.h minix/hash.h \
 	minix/ioctl.h minix/input.h minix/ipc.h minix/ipcconst.h \

common/include/minix/dir.h

@@ -1,26 +0,0 @@
-/* The <dir.h> header gives the layout of a directory. */
-
-#ifndef _DIR_H
-#define _DIR_H
-
-#ifdef __NBSD_LIBC
-#include <sys/cdefs.h>
-#endif
-#include <minix/types.h>
-
-#define	DIRBLKSIZ	512	/* size of directory block */
-
-#ifndef DIRSIZ
-#define DIRSIZ	60
-#endif
-
-struct direct {
-  ino_t d_ino;
-  char d_name[DIRSIZ];
-#ifdef __NBSD_LIBC 
-} __packed;
-#else
-};
-#endif
-
-#endif /* _DIR_H */