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jfs_discard.h
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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 */