fs/jfs/jfs_discard.h

   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
  21 struct fstrim_range;
  22
  23 extern void jfs_issue_discard(struct inode *ip, u64 blkno, u64 nblocks);
  24 extern int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range);
  25
  26 #endif /* _H_JFS_DISCARD */