3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #ifndef _SYS_FS_CACHEFS_DIR_H
28 #define _SYS_FS_CACHEFS_DIR_H
29
30 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 #include <sys/types.h>
33 #include <sys/fs/cachefs_fs.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 /*
40 * c_dirent is stored on disk, so it needs to be the same 32-bit vs. 64-bit.
41 */
42
43 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
44 #pragma pack(4)
45 #endif
46
47 struct c_dirent {
48 uint_t d_length; /* entry length */
49 uint_t d_flag; /* entry flags */
50 cfs_cid_t d_id; /* file id */
51 offset_t d_offset; /* disk offset of this entry */
54 char d_name[1]; /* name */
55 };
56
57 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
58 #pragma pack()
59 #endif
60
61 #define C_DIRSIZ(dp) \
62 (((dp)->d_namelen + (uint_t)sizeof (struct c_dirent) + 7) & ~7)
63
64 #define CDE_SIZE(NM) \
65 ((strlen(NM) + sizeof (struct c_dirent) + 7) & ~7)
66
67 /*
68 * Various flags stored in c_dirent flag field.
69 */
70 #define CDE_VALID 0x1 /* entry is valid */
71 #define CDE_COMPLETE 0x2 /* entry is complete */
72
73
74 #if defined(_KERNEL) && defined(__STDC__)
75 int cachefs_dir_look(cnode_t *dcp, char *nm, fid_t *cookiep, uint_t *flagp,
76 u_offset_t *d_offsetp, cfs_cid_t *cidp);
77 int cachefs_dir_new(cnode_t *dcp, cnode_t *cp);
78 int cachefs_dir_enter(cnode_t *dcp, char *nm, fid_t *cookiep, cfs_cid_t *cidp,
79 int issync);
80 int cachefs_dir_rmentry(cnode_t *dcp, char *nm);
81 void cachefs_dir_modentry(cnode_t *dcp, u_offset_t offset, fid_t *cookiep,
82 cfs_cid_t *cidp);
83 int cachefs_dir_read(struct cnode *dcp, struct uio *uiop, int *eofp);
84 int cachefs_dir_fill(cnode_t *dcp, cred_t *cr);
85 int cachefs_dir_empty(cnode_t *dcp);
86 int cachefs_async_populate_dir(struct cachefs_populate_req *, cred_t *,
87 vnode_t *, vnode_t *);
88
89 #endif /* defined(_KERNEL) && defined(__STDC__) */
90
91 #ifdef __cplusplus
92 }
93 #endif
94
95 #endif /* _SYS_FS_CACHEFS_DIR_H */
|
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24 *
25 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 #ifndef _SYS_FS_CACHEFS_DIR_H
30 #define _SYS_FS_CACHEFS_DIR_H
31
32 #include <sys/types.h>
33 #include <sys/fs/cachefs_fs.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 /*
40 * c_dirent is stored on disk, so it needs to be the same 32-bit vs. 64-bit.
41 */
42
43 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
44 #pragma pack(4)
45 #endif
46
47 struct c_dirent {
48 uint_t d_length; /* entry length */
49 uint_t d_flag; /* entry flags */
50 cfs_cid_t d_id; /* file id */
51 offset_t d_offset; /* disk offset of this entry */
54 char d_name[1]; /* name */
55 };
56
57 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
58 #pragma pack()
59 #endif
60
61 #define C_DIRSIZ(dp) \
62 (((dp)->d_namelen + (uint_t)sizeof (struct c_dirent) + 7) & ~7)
63
64 #define CDE_SIZE(NM) \
65 ((strlen(NM) + sizeof (struct c_dirent) + 7) & ~7)
66
67 /*
68 * Various flags stored in c_dirent flag field.
69 */
70 #define CDE_VALID 0x1 /* entry is valid */
71 #define CDE_COMPLETE 0x2 /* entry is complete */
72
73
74 #if defined(_KERNEL)
75 int cachefs_dir_look(cnode_t *dcp, char *nm, fid_t *cookiep, uint_t *flagp,
76 u_offset_t *d_offsetp, cfs_cid_t *cidp);
77 int cachefs_dir_new(cnode_t *dcp, cnode_t *cp);
78 int cachefs_dir_enter(cnode_t *dcp, char *nm, fid_t *cookiep, cfs_cid_t *cidp,
79 int issync);
80 int cachefs_dir_rmentry(cnode_t *dcp, char *nm);
81 void cachefs_dir_modentry(cnode_t *dcp, u_offset_t offset, fid_t *cookiep,
82 cfs_cid_t *cidp);
83 int cachefs_dir_read(struct cnode *dcp, struct uio *uiop, int *eofp);
84 int cachefs_dir_fill(cnode_t *dcp, cred_t *cr);
85 int cachefs_dir_empty(cnode_t *dcp);
86 int cachefs_async_populate_dir(struct cachefs_populate_req *, cred_t *,
87 vnode_t *, vnode_t *);
88
89 #endif /* defined(_KERNEL) */
90
91 #ifdef __cplusplus
92 }
93 #endif
94
95 #endif /* _SYS_FS_CACHEFS_DIR_H */
|