kernel_optimize_test/fs/nilfs2/sb.h
Ryusuke Konishi 3fd3fe5aea nilfs2: move log writer onto nilfs object
Log writer is held by the nilfs_sb_info structure.  This moves it into
nilfs object and replaces all uses of NILFS_SC() accessor.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-03-09 11:05:08 +09:00

47 lines
1.3 KiB
C

/*
* sb.h - NILFS on-memory super block structure.
*
* Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Written by Ryusuke Konishi <ryusuke@osrg.net>
*
*/
#ifndef _NILFS_SB
#define _NILFS_SB
#include <linux/types.h>
#include <linux/fs.h>
struct the_nilfs;
/*
* NILFS super-block data in memory
*/
struct nilfs_sb_info {
/* Fundamental members */
struct super_block *s_super; /* reverse pointer to super_block */
struct the_nilfs *s_nilfs;
};
static inline struct nilfs_sb_info *NILFS_SB(struct super_block *sb)
{
return sb->s_fs_info;
}
#endif /* _NILFS_SB */