JFS: Remove unused file jfs_extendfs.h

JFS/Linux implements resizing by remount.

fs/jfs/jfs_extendfs.h

-/*
- *   Copyright (c) International Business Machines Corp., 2000-2001
- *
- *   This program is free software;  you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or 
- *   (at your option) any later version.
- * 
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
- *   the GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program;  if not, write to the Free Software 
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef	_H_JFS_EXTENDFS
-#define _H_JFS_EXTENDFS
-
-/*
- *	extendfs parameter list
- */
-typedef struct {
-	u32 flag;		/* 4: */
-	u8 dev;			/* 1: */
-	u8 pad[3];		/* 3: */
-	s64 LVSize;		/* 8: LV size in LV block */
-	s64 FSSize;		/* 8: FS size in LV block */
-	s32 LogSize;		/* 4: inlinelog size in LV block */
-} extendfs_t;			/* (28) */
-
-/* plist flag */
-#define EXTENDFS_QUERY		0x00000001
-
-#endif				/* _H_JFS_EXTENDFS */