diff options
Diffstat (limited to 'sys/fs/ext2fs/ext2_dinode.h')
| -rwxr-xr-x | sys/fs/ext2fs/ext2_dinode.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sys/fs/ext2fs/ext2_dinode.h b/sys/fs/ext2fs/ext2_dinode.h new file mode 100755 index 0000000..3e45060 --- /dev/null +++ b/sys/fs/ext2fs/ext2_dinode.h @@ -0,0 +1,78 @@ +/*- + * Copyright (c) 2009 Aditya Sarawgi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _FS_EXT2FS_EXT2_DINODE_H_ +#define _FS_EXT2FS_EXT2_DINODE_H_ + +#define e2di_size_high e2di_dacl + +/* + * Inode flags + * The current implementation uses only EXT2_IMMUTABLE and EXT2_APPEND flags + */ +#define EXT2_SECRM 0x00000001 /* Secure deletion */ +#define EXT2_UNRM 0x00000002 /* Undelete */ +#define EXT2_COMPR 0x00000004 /* Compress file */ +#define EXT2_SYNC 0x00000008 /* Synchronous updates */ +#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */ +#define EXT2_APPEND 0x00000020 /* writes to file may only append */ +#define EXT2_NODUMP 0x00000040 /* do not dump file */ +#define EXT2_NOATIME 0x00000080 /* do not update atime */ + + +/* + * Structure of an inode on the disk + */ +struct ext2fs_dinode { + u_int16_t e2di_mode; /* 0: IFMT, permissions; see below. */ + u_int16_t e2di_uid; /* 2: Owner UID */ + u_int32_t e2di_size; /* 4: Size (in bytes) */ + u_int32_t e2di_atime; /* 8: Access time */ + u_int32_t e2di_ctime; /* 12: Create time */ + u_int32_t e2di_mtime; /* 16: Modification time */ + u_int32_t e2di_dtime; /* 20: Deletion time */ + u_int16_t e2di_gid; /* 24: Owner GID */ + u_int16_t e2di_nlink; /* 26: File link count */ + u_int32_t e2di_nblock; /* 28: Blocks count */ + u_int32_t e2di_flags; /* 32: Status flags (chflags) */ + u_int32_t e2di_linux_reserved1; /* 36 */ + u_int32_t e2di_blocks[EXT2_N_BLOCKS]; /* 40: disk blocks */ + u_int32_t e2di_gen; /* 100: generation number */ + u_int32_t e2di_facl; /* 104: file ACL (not implemented) */ + u_int32_t e2di_dacl; /* 108: dir ACL (not implemented) */ + u_int32_t e2di_faddr; /* 112: fragment address */ + u_int8_t e2di_nfrag; /* 116: fragment number */ + u_int8_t e2di_fsize; /* 117: fragment size */ + u_int16_t e2di_linux_reserved2; /* 118 */ + u_int16_t e2di_uid_high; /* 120: Owner UID top 16 bits */ + u_int16_t e2di_gid_high; /* 122: Owner GID top 16 bits */ + u_int32_t e2di_linux_reserved3; /* 124 */ +}; + +#endif /* _FS_EXT2FS_EXT2_DINODE_H_ */ + |
