LXR linux/fs/jfs/jfs

   1/*
   2 *   Copyright (C) Tino Reichardt, 2012
   3 *
   4 *   This program is free software;  you can redistribute it and/or modify
   5 *   it under the terms of the GNU General Public License as published by
   6 *   the Free Software Foundation; either version 2 of the License, or
   7 *   (at your option) any later version.
   8 *
   9 *   This program is distributed in the hope that it will be useful,
  10 *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
  11 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  12 *   the GNU General Public License for more details.
  13 *
  14 *   You should have received a copy of the GNU General Public License
  15 *   along with this program;  if not, write to the Free Software
  16 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17 */
  18#ifndef _H_JFS_DISCARD
  19#define _H_JFS_DISCARD
  20
  21struct fstrim_range;
  22
  23extern void jfs_issue_discard(struct inode *ip, u64 blkno, u64 nblocks);
  24extern int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range);
  25
  26#endif /* _H_JFS_DISCARD */
  27