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Diffstat (limited to 'fs/nilfs2/sb.h')
-rw-r--r-- | fs/nilfs2/sb.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/fs/nilfs2/sb.h b/fs/nilfs2/sb.h deleted file mode 100644 index 7a17715f215f..000000000000 --- a/fs/nilfs2/sb.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * 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; -struct nilfs_sc_info; - -/* - * NILFS super-block data in memory - */ -struct nilfs_sb_info { - /* Mount options */ - unsigned long s_mount_opt; - uid_t s_resuid; - gid_t s_resgid; - - unsigned long s_interval; /* construction interval */ - unsigned long s_watermark; /* threshold of data amount - for the segment construction */ - - /* Fundamental members */ - struct super_block *s_super; /* reverse pointer to super_block */ - struct the_nilfs *s_nilfs; - - /* Segment constructor */ - struct list_head s_dirty_files; /* dirty files list */ - struct nilfs_sc_info *s_sc_info; /* segment constructor info */ - spinlock_t s_inode_lock; /* Lock for the nilfs inode. - It covers s_dirty_files list */ - - /* Inode allocator */ - spinlock_t s_next_gen_lock; - u32 s_next_generation; -}; - -static inline struct nilfs_sb_info *NILFS_SB(struct super_block *sb) -{ - return sb->s_fs_info; -} - -static inline struct nilfs_sc_info *NILFS_SC(struct nilfs_sb_info *sbi) -{ - return sbi->s_sc_info; -} - -/* - * Bit operations for the mount option - */ -#define nilfs_clear_opt(sbi, opt) \ - do { (sbi)->s_mount_opt &= ~NILFS_MOUNT_##opt; } while (0) -#define nilfs_set_opt(sbi, opt) \ - do { (sbi)->s_mount_opt |= NILFS_MOUNT_##opt; } while (0) -#define nilfs_test_opt(sbi, opt) ((sbi)->s_mount_opt & NILFS_MOUNT_##opt) -#define nilfs_write_opt(sbi, mask, opt) \ - do { (sbi)->s_mount_opt = \ - (((sbi)->s_mount_opt & ~NILFS_MOUNT_##mask) | \ - NILFS_MOUNT_##opt); \ - } while (0) - -#endif /* _NILFS_SB */ |