diff options
Diffstat (limited to 'include/linux/bfs_fs.h')
-rw-r--r-- | include/linux/bfs_fs.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/include/linux/bfs_fs.h b/include/linux/bfs_fs.h deleted file mode 100644 index 1c0b355..0000000 --- a/include/linux/bfs_fs.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * include/linux/bfs_fs.h - BFS data structures on disk. - * Copyright (C) 1999 Tigran Aivazian <tigran@veritas.com> - */ - -#ifndef _LINUX_BFS_FS_H -#define _LINUX_BFS_FS_H - -#include <linux/types.h> - -#define BFS_BSIZE_BITS 9 -#define BFS_BSIZE (1<<BFS_BSIZE_BITS) - -#define BFS_MAGIC 0x1BADFACE -#define BFS_ROOT_INO 2 -#define BFS_INODES_PER_BLOCK 8 - -/* SVR4 vnode type values (bfs_inode->i_vtype) */ -#define BFS_VDIR 2L -#define BFS_VREG 1L - -/* BFS inode layout on disk */ -struct bfs_inode { - __le16 i_ino; - __u16 i_unused; - __le32 i_sblock; - __le32 i_eblock; - __le32 i_eoffset; - __le32 i_vtype; - __le32 i_mode; - __le32 i_uid; - __le32 i_gid; - __le32 i_nlink; - __le32 i_atime; - __le32 i_mtime; - __le32 i_ctime; - __u32 i_padding[4]; -}; - -#define BFS_NAMELEN 14 -#define BFS_DIRENT_SIZE 16 -#define BFS_DIRS_PER_BLOCK 32 - -struct bfs_dirent { - __le16 ino; - char name[BFS_NAMELEN]; -}; - -/* BFS superblock layout on disk */ -struct bfs_super_block { - __le32 s_magic; - __le32 s_start; - __le32 s_end; - __le32 s_from; - __le32 s_to; - __s32 s_bfrom; - __s32 s_bto; - char s_fsname[6]; - char s_volume[6]; - __u32 s_padding[118]; -}; - - -#define BFS_OFF2INO(offset) \ - ((((offset) - BFS_BSIZE) / sizeof(struct bfs_inode)) + BFS_ROOT_INO) - -#define BFS_INO2OFF(ino) \ - ((__u32)(((ino) - BFS_ROOT_INO) * sizeof(struct bfs_inode)) + BFS_BSIZE) -#define BFS_NZFILESIZE(ip) \ - ((le32_to_cpu((ip)->i_eoffset) + 1) - le32_to_cpu((ip)->i_sblock) * BFS_BSIZE) - -#define BFS_FILESIZE(ip) \ - ((ip)->i_sblock == 0 ? 0 : BFS_NZFILESIZE(ip)) - -#define BFS_FILEBLOCKS(ip) \ - ((ip)->i_sblock == 0 ? 0 : (le32_to_cpu((ip)->i_eblock) + 1) - le32_to_cpu((ip)->i_sblock)) -#define BFS_UNCLEAN(bfs_sb, sb) \ - ((le32_to_cpu(bfs_sb->s_from) != -1) && (le32_to_cpu(bfs_sb->s_to) != -1) && !(sb->s_flags & MS_RDONLY)) - - -#endif /* _LINUX_BFS_FS_H */ |