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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
commit | 718c552901d703c502ccbefdfc3c9028d608b947 (patch) | |
tree | 46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/linux-headers/linux/bfs_fs.h | |
parent | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff) | |
download | ydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/linux-headers/linux/bfs_fs.h')
-rw-r--r-- | contrib/libs/linux-headers/linux/bfs_fs.h | 164 |
1 files changed, 82 insertions, 82 deletions
diff --git a/contrib/libs/linux-headers/linux/bfs_fs.h b/contrib/libs/linux-headers/linux/bfs_fs.h index 08f6b49563..46da58f832 100644 --- a/contrib/libs/linux-headers/linux/bfs_fs.h +++ b/contrib/libs/linux-headers/linux/bfs_fs.h @@ -1,82 +1,82 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * include/linux/bfs_fs.h - BFS data structures on disk. - * Copyright (C) 1999-2018 Tigran Aivazian <aivazian.tigran@gmail.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 & SB_RDONLY)) - - -#endif /* _LINUX_BFS_FS_H */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * include/linux/bfs_fs.h - BFS data structures on disk. + * Copyright (C) 1999-2018 Tigran Aivazian <aivazian.tigran@gmail.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 & SB_RDONLY)) + + +#endif /* _LINUX_BFS_FS_H */ |