2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef _OPENSOLARIS_SYS_VNODE_H_
30 #define _OPENSOLARIS_SYS_VNODE_H_
35 typedef struct vnode vnode_t;
36 typedef struct vattr vattr_t;
37 typedef enum vtype vtype_t;
39 #include <sys/namei.h>
40 enum symfollow { NO_FOLLOW = NOFOLLOW };
43 #include_next <sys/vnode.h>
44 #include <sys/mount.h>
46 #include <sys/fcntl.h>
48 #include <sys/filedesc.h>
49 #include <sys/syscallsubr.h>
51 typedef struct vop_vector vnodeops_t;
52 #define vop_fid vop_vptofh
53 #define vop_fid_args vop_vptofh_args
56 #define IS_XATTRDIR(dvp) (0)
58 #define v_count v_usecount
61 vn_is_readonly(vnode_t *vp)
63 return (vp->v_mount->mnt_flag & MNT_RDONLY);
65 #define vn_vfswlock(vp) (0)
66 #define vn_vfsunlock(vp) do { } while (0)
67 #define vn_ismntpt(vp) ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL)
68 #define vn_mountedvfs(vp) ((vp)->v_mountedhere)
69 #define vn_has_cached_data(vp) ((vp)->v_object != NULL && (vp)->v_object->resident_page_count > 0)
70 #define vn_exists(vp) do { } while (0)
71 #define vn_invalid(vp) do { } while (0)
72 #define vn_renamepath(tdvp, svp, tnm, lentnm) do { } while (0)
73 #define vn_free(vp) do { } while (0)
75 #define VN_HOLD(v) vref(v)
76 #define VN_RELE(v) vrele(v)
77 #define VN_URELE(v) vput(v)
79 #define VOP_REALVP(vp, vpp, ct) (*(vpp) = (vp), 0)
81 #define vnevent_create(vp, ct) do { } while (0)
82 #define vnevent_link(vp, ct) do { } while (0)
83 #define vnevent_remove(vp, dvp, name, ct) do { } while (0)
84 #define vnevent_rmdir(vp, dvp, name, ct) do { } while (0)
85 #define vnevent_rename_src(vp, dvp, name, ct) do { } while (0)
86 #define vnevent_rename_dest(vp, dvp, name, ct) do { } while (0)
87 #define vnevent_rename_dest_dir(vp, ct) do { } while (0)
89 #define specvp(vp, rdev, type, cr) (VN_HOLD(vp), (vp))
90 #define MANDMODE(mode) (0)
91 #define chklock(vp, op, offset, size, mode, ct) (0)
92 #define cleanlocks(vp, pid, foo) do { } while (0)
93 #define cleanshares(vp, pid) do { } while (0)
96 * We will use va_spare is place of Solaris' va_mask.
97 * This field is initialized in zfs_setattr().
99 #define va_mask va_spare
100 /* TODO: va_fileid is shorter than va_nodeid !!! */
101 #define va_nodeid va_fileid
102 /* TODO: This field needs conversion! */
103 #define va_nblocks va_bytes
104 #define va_blksize va_blocksize
105 #define va_seq va_gen
107 #define MAXOFFSET_T OFF_MAX
110 #define ACCESSED (AT_ATIME)
111 #define STATE_CHANGED (AT_CTIME)
112 #define CONTENT_MODIFIED (AT_MTIME | AT_CTIME)
115 vattr_init_mask(vattr_t *vap)
120 if (vap->va_type != VNON)
121 vap->va_mask |= AT_TYPE;
122 if (vap->va_uid != (uid_t)VNOVAL)
123 vap->va_mask |= AT_UID;
124 if (vap->va_gid != (gid_t)VNOVAL)
125 vap->va_mask |= AT_GID;
126 if (vap->va_size != (u_quad_t)VNOVAL)
127 vap->va_mask |= AT_SIZE;
128 if (vap->va_atime.tv_sec != VNOVAL)
129 vap->va_mask |= AT_ATIME;
130 if (vap->va_mtime.tv_sec != VNOVAL)
131 vap->va_mask |= AT_MTIME;
132 if (vap->va_mode != (u_short)VNOVAL)
133 vap->va_mask |= AT_MODE;
134 if (vap->va_flags != VNOVAL)
135 vap->va_mask |= AT_XVATTR;
138 #define FCREAT O_CREAT
139 #define FTRUNC O_TRUNC
140 #define FDSYNC FFSYNC
141 #define FRSYNC FFSYNC
144 #define FIGNORECASE 0x00
147 vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode,
148 vnode_t **vpp, enum create crwhy, mode_t umask, struct vnode *startvp,
151 struct thread *td = curthread;
152 struct filedesc *fdc;
154 int error, operation;
156 ASSERT(seg == UIO_SYSSPACE);
157 if ((filemode & FCREAT) != 0) {
158 ASSERT(filemode == (FWRITE | FCREAT | FTRUNC | FOFFMAX));
159 ASSERT(crwhy == CRCREAT);
162 ASSERT(filemode == (FREAD | FWRITE | FOFFMAX));
168 fdc = td->td_proc->p_fd;
170 if (fdc->fd_rdir == NULL) {
171 fdc->fd_rdir = rootvnode;
174 if (fdc->fd_cdir == NULL) {
175 fdc->fd_cdir = rootvnode;
178 FILEDESC_XUNLOCK(fdc);
182 NDINIT_ATVP(&nd, operation, MPSAFE, UIO_SYSSPACE, pnamep, startvp, td);
183 filemode |= O_NOFOLLOW;
184 error = vn_open_cred(&nd, &filemode, createmode, 0, td->td_ucred, NULL);
185 NDFREE(&nd, NDF_ONLY_PNBUF);
187 /* We just unlock so we hold a reference. */
188 VOP_UNLOCK(nd.ni_vp, 0);
195 zfs_vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode,
196 vnode_t **vpp, enum create crwhy, mode_t umask)
199 return (vn_openat(pnamep, seg, filemode, createmode, vpp, crwhy,
202 #define vn_open(pnamep, seg, filemode, createmode, vpp, crwhy, umask) \
203 zfs_vn_open((pnamep), (seg), (filemode), (createmode), (vpp), (crwhy), (umask))
205 #define RLIM64_INFINITY 0
207 zfs_vn_rdwr(enum uio_rw rw, vnode_t *vp, caddr_t base, ssize_t len,
208 offset_t offset, enum uio_seg seg, int ioflag, int ulimit, cred_t *cr,
211 struct thread *td = curthread;
212 int error, vfslocked, resid;
215 ASSERT(ulimit == RLIM64_INFINITY);
217 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
218 if (rw == UIO_WRITE) {
223 error = vn_rdwr(rw, vp, base, len, offset, seg, ioflag, cr, NOCRED,
225 VFS_UNLOCK_GIANT(vfslocked);
227 *residp = (ssize_t)resid;
230 #define vn_rdwr(rw, vp, base, len, offset, seg, ioflag, ulimit, cr, residp) \
231 zfs_vn_rdwr((rw), (vp), (base), (len), (offset), (seg), (ioflag), (ulimit), (cr), (residp))
234 zfs_vop_fsync(vnode_t *vp, int flag, cred_t *cr)
237 int error, vfslocked;
239 ASSERT(flag == FSYNC);
241 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
242 if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0)
244 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
245 error = VOP_FSYNC(vp, MNT_WAIT, curthread);
247 vn_finished_write(mp);
249 VFS_UNLOCK_GIANT(vfslocked);
252 #define VOP_FSYNC(vp, flag, cr, ct) zfs_vop_fsync((vp), (flag), (cr))
255 zfs_vop_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr)
257 int error, vfslocked;
262 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
263 error = vn_close(vp, flag, cr, curthread);
264 VFS_UNLOCK_GIANT(vfslocked);
267 #define VOP_CLOSE(vp, oflags, count, offset, cr, ct) \
268 zfs_vop_close((vp), (oflags), (count), (offset), (cr))
271 vn_rename(char *from, char *to, enum uio_seg seg)
274 ASSERT(seg == UIO_SYSSPACE);
276 return (kern_rename(curthread, from, to, seg));
280 vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag)
283 ASSERT(seg == UIO_SYSSPACE);
284 ASSERT(dirflag == RMFILE);
286 return (kern_unlink(curthread, fnamep, seg));
289 #endif /* _OPENSOLARIS_SYS_VNODE_H_ */