1/*- 2 * Copyright (c) 1982, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 18 unchanged lines hidden (view full) --- 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)inode.h 8.9 (Berkeley) 5/14/95 |
35 * $FreeBSD: head/sys/fs/ext2fs/inode.h 221126 2011-04-27 18:15:34Z jhb $ |
36 */ 37 38#ifndef _FS_EXT2FS_INODE_H_ 39#define _FS_EXT2FS_INODE_H_ 40 41#include <sys/lock.h> 42#include <sys/queue.h> 43 --- 14 unchanged lines hidden (view full) --- 58 * as the identity of the file and linkage to speed its lookup). The second 59 * part is the permanent meta-data associated with the file which is read in 60 * from the permanent dinode from long term storage when the file becomes 61 * active, and is put back when the file is no longer being used. 62 */ 63struct inode { 64 struct vnode *i_vnode;/* Vnode associated with this inode. */ 65 struct ext2mount *i_ump; |
66 uint32_t i_flag; /* flags, see below */ |
67 ino_t i_number; /* The identity of the inode. */ 68 69 struct m_ext2fs *i_e2fs; /* EXT2FS */ 70 u_quad_t i_modrev; /* Revision level for NFS lease. */ 71 /* 72 * Side effects; used during directory lookup. 73 */ |
74 int32_t i_count; /* Size of free slot in directory. */ 75 doff_t i_endoff; /* End of useful stuff in directory. */ 76 doff_t i_diroff; /* Offset in dir, where we found last entry. */ 77 doff_t i_offset; /* Offset of free space in directory. */ |
78 |
79 uint32_t i_block_group; 80 uint32_t i_next_alloc_block; 81 uint32_t i_next_alloc_goal; 82 uint32_t i_prealloc_block; 83 uint32_t i_prealloc_count; |
84 85 /* Fields from struct dinode in UFS. */ |
86 uint16_t i_mode; /* IFMT, permissions; see below. */ |
87 int16_t i_nlink; /* File link count. */ |
88 uint64_t i_size; /* File byte count. */ |
89 int32_t i_atime; /* Last access time. */ 90 int32_t i_atimensec; /* Last access time. */ 91 int32_t i_mtime; /* Last modified time. */ 92 int32_t i_mtimensec; /* Last modified time. */ 93 int32_t i_ctime; /* Last inode change time. */ 94 int32_t i_ctimensec; /* Last inode change time. */ 95 int32_t i_db[NDADDR]; /* Direct disk blocks. */ 96 int32_t i_ib[NIADDR]; /* Indirect disk blocks. */ |
97 uint32_t i_flags; /* Status flags (chflags). */ |
98 int32_t i_blocks; /* Blocks actually held. */ 99 int32_t i_gen; /* Generation number. */ |
100 uint32_t i_uid; /* File owner. */ 101 uint32_t i_gid; /* File group. */ |
102}; 103 104/* 105 * The di_db fields may be overlaid with other information for 106 * file types that do not have associated disk storage. Block 107 * and character devices overlay the first data block with their 108 * dev_t value. Short symbolic links place their path in the 109 * di_db area. --- 47 unchanged lines hidden (view full) --- 157}; 158 159/* Convert between inode pointers and vnode pointers. */ 160#define VTOI(vp) ((struct inode *)(vp)->v_data) 161#define ITOV(ip) ((ip)->i_vnode) 162 163/* This overlays the fid structure (see mount.h). */ 164struct ufid { |
165 uint16_t ufid_len; /* Length of structure. */ 166 uint16_t ufid_pad; /* Force 32-bit alignment. */ 167 ino_t ufid_ino; /* File number (ino). */ 168 int32_t ufid_gen; /* Generation number. */ |
169}; 170#endif /* _KERNEL */ 171 172#endif /* !_FS_EXT2FS_INODE_H_ */ |