1 /*
2 * Copyright (c) 2007 Pawel Jakub Dawidek <[email protected]>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #ifndef _OPENSOLARIS_SYS_VNODE_H_
30 #define _OPENSOLARIS_SYS_VNODE_H_
31
32 struct vnode;
33 struct vattr;
34 struct xucred;
35
36 typedef struct flock flock64_t;
37 typedef struct vnode vnode_t;
38 typedef struct vattr vattr_t;
39 typedef enum vtype vtype_t;
40
41 #include <sys/types.h>
42 #include <sys/queue.h>
43 #include_next <sys/sdt.h>
44 #include <sys/namei.h>
45 enum symfollow { NO_FOLLOW = NOFOLLOW };
46
47 #define NOCRED ((struct ucred *)0) /* no credential available */
48 #define F_FREESP 11 /* Free file space */
49
50 #include <sys/proc.h>
51 #include <sys/vnode_impl.h>
52 #ifndef IN_BASE
53 #include_next <sys/vnode.h>
54 #endif
55 #include <sys/mount.h>
56 #include <sys/cred.h>
57 #include <sys/fcntl.h>
58 #include <sys/refcount.h>
59 #include <sys/file.h>
60 #include <sys/filedesc.h>
61 #include <sys/syscallsubr.h>
62 #include <sys/vm.h>
63 #include <vm/vm_object.h>
64
65 typedef struct vop_vector vnodeops_t;
66 #define VOP_FID VOP_VPTOFH
67 #define vop_fid vop_vptofh
68 #define vop_fid_args vop_vptofh_args
69 #define a_fid a_fhp
70
71 #define rootvfs (rootvnode == NULL ? NULL : rootvnode->v_mount)
72
73 #ifndef IN_BASE
74 static __inline int
vn_is_readonly(vnode_t * vp)75 vn_is_readonly(vnode_t *vp)
76 {
77 return (vp->v_mount->mnt_flag & MNT_RDONLY);
78 }
79 #endif
80 #define vn_vfswlock(vp) (0)
81 #define vn_vfsunlock(vp) do { } while (0)
82 #define vn_ismntpt(vp) \
83 ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL)
84 #define vn_mountedvfs(vp) ((vp)->v_mountedhere)
85 #define vn_has_cached_data(vp) \
86 ((vp)->v_object != NULL && \
87 (vp)->v_object->resident_page_count > 0)
88
89 #ifndef IN_BASE
90 static __inline void
vn_flush_cached_data(vnode_t * vp,boolean_t sync)91 vn_flush_cached_data(vnode_t *vp, boolean_t sync)
92 {
93 #if __FreeBSD_version > 1300054
94 if (vm_object_mightbedirty(vp->v_object)) {
95 #else
96 if (vp->v_object->flags & OBJ_MIGHTBEDIRTY) {
97 #endif
98 int flags = sync ? OBJPC_SYNC : 0;
99 zfs_vmobject_wlock(vp->v_object);
100 vm_object_page_clean(vp->v_object, 0, 0, flags);
101 zfs_vmobject_wunlock(vp->v_object);
102 }
103 }
104 #endif
105
106 #define vn_exists(vp) do { } while (0)
107 #define vn_invalid(vp) do { } while (0)
108 #define vn_renamepath(tdvp, svp, tnm, lentnm) do { } while (0)
109 #define vn_free(vp) do { } while (0)
110 #define vn_matchops(vp, vops) ((vp)->v_op == &(vops))
111
112 #define VN_HOLD(v) vref(v)
113 #define VN_RELE(v) vrele(v)
114 #define VN_URELE(v) vput(v)
115
116 #define vnevent_create(vp, ct) do { } while (0)
117 #define vnevent_link(vp, ct) do { } while (0)
118 #define vnevent_remove(vp, dvp, name, ct) do { } while (0)
119 #define vnevent_rmdir(vp, dvp, name, ct) do { } while (0)
120 #define vnevent_rename_src(vp, dvp, name, ct) do { } while (0)
121 #define vnevent_rename_dest(vp, dvp, name, ct) do { } while (0)
122 #define vnevent_rename_dest_dir(vp, ct) do { } while (0)
123
124 #define specvp(vp, rdev, type, cr) (VN_HOLD(vp), (vp))
125 #define MANDLOCK(vp, mode) (0)
126
127 /*
128 * We will use va_spare is place of Solaris' va_mask.
129 * This field is initialized in zfs_setattr().
130 */
131 #define va_mask va_spare
132 /* TODO: va_fileid is shorter than va_nodeid !!! */
133 #define va_nodeid va_fileid
134 /* TODO: This field needs conversion! */
135 #define va_nblocks va_bytes
136 #define va_blksize va_blocksize
137
138 #define MAXOFFSET_T OFF_MAX
139 #define EXCL 0
140
141 #define FCREAT O_CREAT
142 #define FTRUNC O_TRUNC
143 #define FEXCL O_EXCL
144 #ifndef FDSYNC
145 #define FDSYNC FFSYNC
146 #endif
147 #define FRSYNC FFSYNC
148 #define FSYNC FFSYNC
149 #define FOFFMAX 0x00
150 #define FIGNORECASE 0x00
151
152 /*
153 * Attributes of interest to the caller of setattr or getattr.
154 */
155 #define AT_MODE 0x00002
156 #define AT_UID 0x00004
157 #define AT_GID 0x00008
158 #define AT_FSID 0x00010
159 #define AT_NODEID 0x00020
160 #define AT_NLINK 0x00040
161 #define AT_SIZE 0x00080
162 #define AT_ATIME 0x00100
163 #define AT_MTIME 0x00200
164 #define AT_CTIME 0x00400
165 #define AT_RDEV 0x00800
166 #define AT_BLKSIZE 0x01000
167 #define AT_NBLOCKS 0x02000
168 /* 0x04000 */ /* unused */
169 #define AT_SEQ 0x08000
170 /*
171 * If AT_XVATTR is set then there are additional bits to process in
172 * the xvattr_t's attribute bitmap. If this is not set then the bitmap
173 * MUST be ignored. Note that this bit must be set/cleared explicitly.
174 * That is, setting AT_ALL will NOT set AT_XVATTR.
175 */
176 #define AT_XVATTR 0x10000
177
178 #define AT_ALL (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|\
179 AT_NLINK|AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|\
180 AT_RDEV|AT_BLKSIZE|AT_NBLOCKS|AT_SEQ)
181
182 #define AT_STAT (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|AT_NLINK|\
183 AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|AT_RDEV)
184
185 #define AT_TIMES (AT_ATIME|AT_MTIME|AT_CTIME)
186
187 #define AT_NOSET (AT_NLINK|AT_RDEV|AT_FSID|AT_NODEID|\
188 AT_BLKSIZE|AT_NBLOCKS|AT_SEQ)
189
190 #ifndef IN_BASE
191 static __inline void
192 vattr_init_mask(vattr_t *vap)
193 {
194
195 vap->va_mask = 0;
196
197 if (vap->va_uid != (uid_t)VNOVAL)
198 vap->va_mask |= AT_UID;
199 if (vap->va_gid != (gid_t)VNOVAL)
200 vap->va_mask |= AT_GID;
201 if (vap->va_size != (u_quad_t)VNOVAL)
202 vap->va_mask |= AT_SIZE;
203 if (vap->va_atime.tv_sec != VNOVAL)
204 vap->va_mask |= AT_ATIME;
205 if (vap->va_mtime.tv_sec != VNOVAL)
206 vap->va_mask |= AT_MTIME;
207 if (vap->va_mode != (uint16_t)VNOVAL)
208 vap->va_mask |= AT_MODE;
209 if (vap->va_flags != VNOVAL)
210 vap->va_mask |= AT_XVATTR;
211 }
212 #endif
213
214 #define RLIM64_INFINITY 0
215
216 static __inline int
217 vn_rename(char *from, char *to, enum uio_seg seg)
218 {
219
220 ASSERT(seg == UIO_SYSSPACE);
221
222 return (kern_renameat(curthread, AT_FDCWD, from, AT_FDCWD, to, seg));
223 }
224
225 #include <sys/vfs.h>
226
227 #endif /* _OPENSOLARIS_SYS_VNODE_H_ */
228