mirror of
https://github.com/torvalds/linux.git
synced 2024-11-14 08:02:07 +00:00
b40c2e665c
This patch adds support for the two linux interfaces of the discard/TRIM command for SSD devices and sparse/thinly-provisioned LUNs. JFS will support batched discard via FITRIM ioctl and online discard with the discard mount option. Signed-off-by: Tino Reichardt <list-jfs@mcmilk.de> Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
27 lines
1.0 KiB
C
27 lines
1.0 KiB
C
/*
|
|
* Copyright (C) Tino Reichardt, 2012
|
|
*
|
|
* 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_DISCARD
|
|
#define _H_JFS_DISCARD
|
|
|
|
struct fstrim_range;
|
|
|
|
extern void jfs_issue_discard(struct inode *ip, u64 blkno, u64 nblocks);
|
|
extern int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range);
|
|
|
|
#endif /* _H_JFS_DISCARD */
|