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.
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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
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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.
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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_ */
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
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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.
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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_ */