2 * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
3 * Copyright (c) 1999 Pierre Beyssac
4 * Copyright (c) 1993, 1995 Jan-Simon Pendry
5 * Copyright (c) 1993, 1995
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * @(#)procfs_vnops.c 8.18 (Berkeley) 5/21/95
41 * $FreeBSD: src/sys/i386/linux/linprocfs/linprocfs_vnops.c,v 1.3.2.5 2001/08/12 14:29:19 rwatson Exp $
42 * $DragonFly: src/sys/emulation/linux/i386/linprocfs/linprocfs_vnops.c,v 1.2 2003/06/17 04:28:39 dillon Exp $
46 * procfs vnode interface
49 #include <sys/param.h>
50 #include <sys/systm.h>
52 #include <sys/kernel.h>
54 #include <sys/fcntl.h>
56 #include <sys/signalvar.h>
57 #include <sys/vnode.h>
58 #include <sys/mount.h>
59 #include <sys/namei.h>
60 #include <sys/dirent.h>
61 #include <sys/malloc.h>
62 #include <machine/reg.h>
63 #include <vm/vm_zone.h>
64 #include <i386/linux/linprocfs/linprocfs.h>
65 #include <sys/pioctl.h>
67 extern struct vnode *procfs_findtextvp __P((struct proc *));
69 static int linprocfs_access __P((struct vop_access_args *));
70 static int linprocfs_badop __P((void));
71 static int linprocfs_bmap __P((struct vop_bmap_args *));
72 static int linprocfs_close __P((struct vop_close_args *));
73 static int linprocfs_getattr __P((struct vop_getattr_args *));
74 static int linprocfs_inactive __P((struct vop_inactive_args *));
75 static int linprocfs_ioctl __P((struct vop_ioctl_args *));
76 static int linprocfs_lookup __P((struct vop_lookup_args *));
77 static int linprocfs_open __P((struct vop_open_args *));
78 static int linprocfs_print __P((struct vop_print_args *));
79 static int linprocfs_readdir __P((struct vop_readdir_args *));
80 static int linprocfs_readlink __P((struct vop_readlink_args *));
81 static int linprocfs_reclaim __P((struct vop_reclaim_args *));
82 static int linprocfs_setattr __P((struct vop_setattr_args *));
85 * This is a list of the valid names in the
86 * process-specific sub-directories. It is
87 * used in linprocfs_lookup and linprocfs_readdir
89 static struct proc_target {
94 int (*pt_valid) __P((struct proc *p));
96 #define N(s) sizeof(s)-1, s
97 /* name type validp */
98 { DT_DIR, N("."), Pproc, NULL },
99 { DT_DIR, N(".."), Proot, NULL },
100 { DT_REG, N("mem"), Pmem, NULL },
101 { DT_LNK, N("exe"), Pexe, NULL },
102 { DT_REG, N("stat"), Pprocstat, NULL },
103 { DT_REG, N("status"), Pprocstatus, NULL },
106 static const int nproc_targets = sizeof(proc_targets) / sizeof(proc_targets[0]);
108 static pid_t atopid __P((const char *, u_int));
111 * set things up for doing i/o on
112 * the pfsnode (vp). (vp) is locked
113 * on entry, and should be left locked
116 * for procfs we don't need to do anything
117 * in particular for i/o. all that is done
118 * is to support exclusive open on process
123 struct vop_open_args /* {
126 struct ucred *a_cred;
130 struct pfsnode *pfs = VTOPFS(ap->a_vp);
131 struct proc *p1, *p2;
133 p2 = PFIND(pfs->pfs_pid);
136 if (pfs->pfs_pid && !PRISON_CHECK(ap->a_p, p2))
139 switch (pfs->pfs_type) {
141 if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
142 ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
146 if (p_trespass(p1, p2))
149 if (ap->a_mode & FWRITE)
150 pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);
162 * close the pfsnode (vp) after doing i/o.
163 * (vp) is not locked on entry or exit.
165 * nothing to do for procfs other than undo
166 * any exclusive open flag (see _open above).
170 struct vop_close_args /* {
173 struct ucred *a_cred;
177 struct pfsnode *pfs = VTOPFS(ap->a_vp);
180 switch (pfs->pfs_type) {
182 if ((ap->a_fflag & FWRITE) && (pfs->pfs_flags & O_EXCL))
183 pfs->pfs_flags &= ~(FWRITE|O_EXCL);
185 * If this is the last close, then it checks to see if
186 * the target process has PF_LINGER set in p_pfsflags,
187 * if this is *not* the case, then the process' stop flags
188 * are cleared, and the process is woken up. This is
189 * to help prevent the case where a process has been
190 * told to stop on an event, but then the requesting process
191 * has gone away or forgotten about it.
193 if ((ap->a_vp->v_usecount < 2)
194 && (p = pfind(pfs->pfs_pid))
195 && !(p->p_pfsflags & PF_LINGER)) {
209 * do an ioctl operation on a pfsnode (vp).
210 * (vp) is not locked on entry or exit.
214 struct vop_ioctl_args *ap;
216 struct pfsnode *pfs = VTOPFS(ap->a_vp);
217 struct proc *procp, *p;
220 struct procfs_status *psp;
224 procp = pfind(pfs->pfs_pid);
229 if (p_trespass(p, procp))
232 switch (ap->a_command) {
234 procp->p_stops |= *(unsigned int*)ap->a_data;
237 procp->p_stops &= ~*(unsigned int*)ap->a_data;
241 * NFLAGS is "non-suser_xxx flags" -- currently, only
242 * PFS_ISUGID ("ignore set u/g id");
244 #define NFLAGS (PF_ISUGID)
245 flags = (unsigned char)*(unsigned int*)ap->a_data;
246 if (flags & NFLAGS && (error = suser(p)))
248 procp->p_pfsflags = flags;
251 *(unsigned int*)ap->a_data = (unsigned int)procp->p_pfsflags;
253 psp = (struct procfs_status *)ap->a_data;
254 psp->state = (procp->p_step == 0);
255 psp->flags = procp->p_pfsflags;
256 psp->events = procp->p_stops;
258 psp->why = procp->p_stype;
259 psp->val = procp->p_xstat;
261 psp->why = psp->val = 0; /* Not defined values */
265 psp = (struct procfs_status *)ap->a_data;
266 if (procp->p_step == 0) {
267 error = tsleep(&procp->p_stype, PWAIT | PCATCH, "piocwait", 0);
271 psp->state = 1; /* It stopped */
272 psp->flags = procp->p_pfsflags;
273 psp->events = procp->p_stops;
274 psp->why = procp->p_stype; /* why it stopped */
275 psp->val = procp->p_xstat; /* any extra info */
277 case PIOCCONT: /* Restart a proc */
278 if (procp->p_step == 0)
279 return EINVAL; /* Can only start a stopped process */
280 if ((signo = *(int*)ap->a_data) != 0) {
281 if (signo >= NSIG || signo <= 0)
283 psignal(procp, signo);
286 wakeup(&procp->p_step);
295 * do block mapping for pfsnode (vp).
296 * since we don't use the buffer cache
297 * for procfs this function should never
298 * be called. in any case, it's not clear
299 * what part of the kernel ever makes use
300 * of this function. for sanity, this is the
301 * usual no-op bmap, although returning
302 * (EIO) would be a reasonable alternative.
306 struct vop_bmap_args /* {
309 struct vnode **a_vpp;
315 if (ap->a_vpp != NULL)
316 *ap->a_vpp = ap->a_vp;
317 if (ap->a_bnp != NULL)
318 *ap->a_bnp = ap->a_bn;
319 if (ap->a_runp != NULL)
325 * linprocfs_inactive is called when the pfsnode
326 * is vrele'd and the reference count goes
327 * to zero. (vp) will be on the vnode free
328 * list, so to get it back vget() must be
331 * (vp) is locked on entry, but must be unlocked on exit.
334 linprocfs_inactive(ap)
335 struct vop_inactive_args /* {
339 struct vnode *vp = ap->a_vp;
341 VOP_UNLOCK(vp, 0, ap->a_p);
347 * _reclaim is called when getnewvnode()
348 * wants to make use of an entry on the vnode
349 * free list. at this time the filesystem needs
350 * to free any private data and remove the node
351 * from any private lists.
354 linprocfs_reclaim(ap)
355 struct vop_reclaim_args /* {
360 return (linprocfs_freevp(ap->a_vp));
364 * _print is used for debugging.
365 * just print a readable description
370 struct vop_print_args /* {
374 struct pfsnode *pfs = VTOPFS(ap->a_vp);
376 printf("tag VT_PROCFS, type %d, pid %ld, mode %x, flags %lx\n",
377 pfs->pfs_type, (long)pfs->pfs_pid, pfs->pfs_mode, pfs->pfs_flags);
382 * generic entry point for unsupported operations
392 * Invent attributes for pfsnode (vp) and store
394 * Directories lengths are returned as zero since
395 * any real length would require the genuine size
396 * to be computed, and nothing cares anyway.
398 * this is relatively minimal for procfs.
401 linprocfs_getattr(ap)
402 struct vop_getattr_args /* {
405 struct ucred *a_cred;
409 struct pfsnode *pfs = VTOPFS(ap->a_vp);
410 struct vattr *vap = ap->a_vap;
415 * First make sure that the process and its credentials
418 switch (pfs->pfs_type) {
425 procp = PFIND(pfs->pfs_pid);
426 if (procp == 0 || procp->p_cred == NULL ||
427 procp->p_ucred == NULL)
433 /* start by zeroing out the attributes */
436 /* next do all the common fields */
437 vap->va_type = ap->a_vp->v_type;
438 vap->va_mode = pfs->pfs_mode;
439 vap->va_fileid = pfs->pfs_fileno;
441 vap->va_blocksize = PAGE_SIZE;
442 vap->va_bytes = vap->va_size = 0;
443 vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
446 * Make all times be current TOD.
447 * It would be possible to get the process start
448 * time from the p_stat structure, but there's
449 * no "file creation" time stamp anyway, and the
450 * p_stat structure is not addressible if u. gets
451 * swapped out for that process.
453 nanotime(&vap->va_ctime);
454 vap->va_atime = vap->va_mtime = vap->va_ctime;
457 * now do the object specific fields
459 * The size could be set from struct reg, but it's hardly
460 * worth the trouble, and it puts some (potentially) machine
461 * dependent data into this machine-independent code. If it
462 * becomes important then this function should break out into
463 * a per-file stat function in the corresponding .c file.
468 vap->va_uid = procp->p_ucred->cr_uid;
469 vap->va_gid = procp->p_ucred->cr_gid;
472 switch (pfs->pfs_type) {
475 * Set nlink to 1 to tell fts(3) we don't actually know.
480 vap->va_size = vap->va_bytes = DEV_BSIZE;
484 char buf[16]; /* should be enough */
487 vap->va_size = vap->va_bytes =
488 snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
493 vap->va_nlink = nproc_targets;
494 vap->va_size = vap->va_bytes = DEV_BSIZE;
498 char *fullpath, *freepath;
499 error = textvp_fullpath(procp, &fullpath, &freepath);
501 vap->va_size = strlen(fullpath);
502 free(freepath, M_TEMP);
504 vap->va_size = sizeof("unknown") - 1;
507 vap->va_bytes = vap->va_size;
517 vap->va_bytes = vap->va_size = 0;
524 * If we denied owner access earlier, then we have to
525 * change the owner to root - otherwise 'ps' and friends
526 * will break even though they are setgid kmem. *SIGH*
528 if (procp->p_flag & P_SUGID)
531 vap->va_uid = procp->p_ucred->cr_uid;
536 vap->va_bytes = vap->va_size = 0;
537 /* uid, gid are already set */
541 panic("linprocfs_getattr");
548 linprocfs_setattr(ap)
549 struct vop_setattr_args /* {
552 struct ucred *a_cred;
557 if (ap->a_vap->va_flags != VNOVAL)
561 * just fake out attribute setting
562 * it's not good to generate an error
563 * return, otherwise things like creat()
564 * will fail when they try to set the
565 * file length to 0. worse, this means
566 * that echo $note > /proc/$pid/note will fail.
573 * implement access checking.
575 * something very similar to this code is duplicated
576 * throughout the 4bsd kernel and should be moved
577 * into kern/vfs_subr.c sometime.
579 * actually, the check for super-user is slightly
580 * broken since it will allow read access to write-only
581 * objects. this doesn't cause any particular trouble
582 * but does mean that the i/o entry points need to check
583 * that the operation really does make sense.
587 struct vop_access_args /* {
590 struct ucred *a_cred;
599 * If you're the super-user,
600 * you always get access.
602 if (ap->a_cred->cr_uid == 0)
606 error = VOP_GETATTR(ap->a_vp, vap, ap->a_cred, ap->a_p);
611 * Access check is based on only one of owner, group, public.
612 * If not owner, then check group. If not a member of the
613 * group, then check public access.
615 if (ap->a_cred->cr_uid != vap->va_uid) {
620 gp = ap->a_cred->cr_groups;
621 for (i = 0; i < ap->a_cred->cr_ngroups; i++, gp++)
622 if (vap->va_gid == *gp)
629 if ((vap->va_mode & ap->a_mode) == ap->a_mode)
636 * lookup. this is incredibly complicated in the
637 * general case, however for most pseudo-filesystems
638 * very little needs to be done.
640 * unless you want to get a migraine, just make sure your
641 * filesystem doesn't do any locking of its own. otherwise
642 * read and inwardly digest ufs_lookup().
646 struct vop_lookup_args /* {
647 struct vnode * a_dvp;
648 struct vnode ** a_vpp;
649 struct componentname * a_cnp;
652 struct componentname *cnp = ap->a_cnp;
653 struct vnode **vpp = ap->a_vpp;
654 struct vnode *dvp = ap->a_dvp;
655 char *pname = cnp->cn_nameptr;
656 struct proc_target *pt;
664 if (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME ||
665 cnp->cn_nameiop == CREATE)
668 if (cnp->cn_namelen == 1 && *pname == '.') {
671 /* vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, curp); */
676 switch (pfs->pfs_type) {
678 if (cnp->cn_flags & ISDOTDOT)
681 if (CNEQ(cnp, "self", 4))
682 return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pself));
683 if (CNEQ(cnp, "meminfo", 7))
684 return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pmeminfo));
685 if (CNEQ(cnp, "cpuinfo", 7))
686 return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pcpuinfo));
687 if (CNEQ(cnp, "stat", 4))
688 return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pstat));
689 if (CNEQ(cnp, "uptime", 6))
690 return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Puptime));
691 if (CNEQ(cnp, "version", 7))
692 return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pversion));
693 if (CNEQ(cnp, "loadavg", 7))
694 return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Ploadavg));
696 pid = atopid(pname, cnp->cn_namelen);
704 return (linprocfs_allocvp(dvp->v_mount, vpp, pid, Pproc));
707 if (cnp->cn_flags & ISDOTDOT)
708 return (linprocfs_root(dvp->v_mount, vpp));
710 p = PFIND(pfs->pfs_pid);
714 for (pt = proc_targets, i = 0; i < nproc_targets; pt++, i++) {
715 if (cnp->cn_namelen == pt->pt_namlen &&
716 bcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 &&
717 (pt->pt_valid == NULL || (*pt->pt_valid)(p)))
723 return (linprocfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid,
730 return (cnp->cn_nameiop == LOOKUP ? ENOENT : EROFS);
734 * Does this process have a text file?
737 linprocfs_validfile(p)
741 return (procfs_findtextvp(p) != NULLVP);
745 * readdir() returns directory entries from pfsnode (vp).
747 * We generate just one directory entry at a time, as it would probably
748 * not pay off to buffer several entries locally to save uiomove calls.
751 linprocfs_readdir(ap)
752 struct vop_readdir_args /* {
755 struct ucred *a_cred;
761 struct uio *uio = ap->a_uio;
763 struct dirent *dp = &d;
765 int count, error, i, off;
770 d.d_namlen = PROCFS_NAMELEN;
771 delen = GENERIC_DIRSIZ(&d);
774 pfs = VTOPFS(ap->a_vp);
776 off = (int)uio->uio_offset;
777 if (off != uio->uio_offset || off < 0 ||
778 off % delen != 0 || uio->uio_resid < delen)
785 switch (pfs->pfs_type) {
787 * this is for the process-specific sub-directories.
788 * all that is needed to is copy out all the entries
789 * from the procent[] table (top of this file).
793 struct proc_target *pt;
795 p = PFIND(pfs->pfs_pid);
798 if (!PRISON_CHECK(curproc, p))
801 for (pt = &proc_targets[i];
802 uio->uio_resid >= delen && i < nproc_targets; pt++, i++) {
803 if (pt->pt_valid && (*pt->pt_valid)(p) == 0)
806 dp->d_reclen = delen;
807 dp->d_fileno = PROCFS_FILENO(pfs->pfs_pid, pt->pt_pfstype);
808 dp->d_namlen = pt->pt_namlen;
809 bcopy(pt->pt_name, dp->d_name, pt->pt_namlen + 1);
810 dp->d_type = pt->pt_type;
812 if ((error = uiomove((caddr_t)dp, delen, uio)) != 0)
820 * this is for the root of the procfs filesystem
821 * what is needed is a special entry for "self"
822 * followed by an entry for each process on allproc
833 struct proc *p = allproc.lh_first;
835 for (; p && uio->uio_resid >= delen; i++, pcnt++) {
836 bzero((char *) dp, delen);
837 dp->d_reclen = delen;
842 dp->d_fileno = PROCFS_FILENO(0, Proot);
843 dp->d_namlen = i + 1;
844 bcopy("..", dp->d_name, dp->d_namlen);
845 dp->d_name[i + 1] = '\0';
850 dp->d_fileno = PROCFS_FILENO(0, Pself);
852 bcopy("self", dp->d_name, 5);
857 dp->d_fileno = PROCFS_FILENO(0, Pmeminfo);
859 bcopy("meminfo", dp->d_name, 8);
864 dp->d_fileno = PROCFS_FILENO(0, Pcpuinfo);
866 bcopy("cpuinfo", dp->d_name, 8);
871 dp->d_fileno = PROCFS_FILENO(0, Pstat);
873 bcopy("stat", dp->d_name, 5);
878 dp->d_fileno = PROCFS_FILENO(0, Puptime);
880 bcopy("uptime", dp->d_name, 7);
885 dp->d_fileno = PROCFS_FILENO(0, Pversion);
887 bcopy("version", dp->d_name, 8);
892 dp->d_fileno = PROCFS_FILENO(0, Ploadavg);
894 bcopy("loadavg", dp->d_name, 8);
901 p = p->p_list.le_next;
904 if (!PRISON_CHECK(curproc, p))
908 while (!PRISON_CHECK(curproc, p)) {
909 p = p->p_list.le_next;
913 dp->d_fileno = PROCFS_FILENO(p->p_pid, Pproc);
914 dp->d_namlen = sprintf(dp->d_name, "%ld",
917 p = p->p_list.le_next;
921 if ((error = uiomove((caddr_t)dp, delen, uio)) != 0)
927 if (p == 0 && doingzomb == 0) {
929 p = zombproc.lh_first;
943 uio->uio_offset = i * delen;
949 * readlink reads the link of `self' or `exe'
952 linprocfs_readlink(ap)
953 struct vop_readlink_args *ap;
955 char buf[16]; /* should be enough */
957 struct vnode *vp = ap->a_vp;
958 struct pfsnode *pfs = VTOPFS(vp);
959 char *fullpath, *freepath;
962 switch (pfs->pfs_type) {
964 if (pfs->pfs_fileno != PROCFS_FILENO(0, Pself))
967 len = snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
969 return (uiomove(buf, len, ap->a_uio));
971 * There _should_ be no way for an entire process to disappear
975 procp = PFIND(pfs->pfs_pid);
976 if (procp == NULL || procp->p_cred == NULL ||
977 procp->p_ucred == NULL) {
978 printf("linprocfs_readlink: pid %d disappeared\n",
980 return (uiomove("unknown", sizeof("unknown") - 1,
983 error = textvp_fullpath(procp, &fullpath, &freepath);
985 return (uiomove("unknown", sizeof("unknown") - 1,
987 error = uiomove(fullpath, strlen(fullpath), ap->a_uio);
988 free(freepath, M_TEMP);
996 * convert decimal ascii to pid_t
1007 if (c < '0' || c > '9')
1009 p = 10 * p + (c - '0');
1018 * procfs vnode operations.
1020 vop_t **linprocfs_vnodeop_p;
1021 static struct vnodeopv_entry_desc linprocfs_vnodeop_entries[] = {
1022 { &vop_default_desc, (vop_t *) vop_defaultop },
1023 { &vop_access_desc, (vop_t *) linprocfs_access },
1024 { &vop_advlock_desc, (vop_t *) linprocfs_badop },
1025 { &vop_bmap_desc, (vop_t *) linprocfs_bmap },
1026 { &vop_close_desc, (vop_t *) linprocfs_close },
1027 { &vop_create_desc, (vop_t *) linprocfs_badop },
1028 { &vop_getattr_desc, (vop_t *) linprocfs_getattr },
1029 { &vop_inactive_desc, (vop_t *) linprocfs_inactive },
1030 { &vop_link_desc, (vop_t *) linprocfs_badop },
1031 { &vop_lookup_desc, (vop_t *) linprocfs_lookup },
1032 { &vop_mkdir_desc, (vop_t *) linprocfs_badop },
1033 { &vop_mknod_desc, (vop_t *) linprocfs_badop },
1034 { &vop_open_desc, (vop_t *) linprocfs_open },
1035 { &vop_pathconf_desc, (vop_t *) vop_stdpathconf },
1036 { &vop_print_desc, (vop_t *) linprocfs_print },
1037 { &vop_read_desc, (vop_t *) linprocfs_rw },
1038 { &vop_readdir_desc, (vop_t *) linprocfs_readdir },
1039 { &vop_readlink_desc, (vop_t *) linprocfs_readlink },
1040 { &vop_reclaim_desc, (vop_t *) linprocfs_reclaim },
1041 { &vop_remove_desc, (vop_t *) linprocfs_badop },
1042 { &vop_rename_desc, (vop_t *) linprocfs_badop },
1043 { &vop_rmdir_desc, (vop_t *) linprocfs_badop },
1044 { &vop_setattr_desc, (vop_t *) linprocfs_setattr },
1045 { &vop_symlink_desc, (vop_t *) linprocfs_badop },
1046 { &vop_write_desc, (vop_t *) linprocfs_rw },
1047 { &vop_ioctl_desc, (vop_t *) linprocfs_ioctl },
1050 static struct vnodeopv_desc linprocfs_vnodeop_opv_desc =
1051 { &linprocfs_vnodeop_p, linprocfs_vnodeop_entries };
1053 VNODEOP_SET(linprocfs_vnodeop_opv_desc);