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
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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 1.18 2004/10/12 19:20:38 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 "linprocfs.h"
65 #include <sys/pioctl.h>
67 extern struct vnode *procfs_findtextvp (struct proc *);
69 static int linprocfs_access (struct vop_access_args *);
70 static int linprocfs_badop (void);
71 static int linprocfs_bmap (struct vop_bmap_args *);
72 static int linprocfs_close (struct vop_close_args *);
73 static int linprocfs_getattr (struct vop_getattr_args *);
74 static int linprocfs_inactive (struct vop_inactive_args *);
75 static int linprocfs_ioctl (struct vop_ioctl_args *);
76 static int linprocfs_lookup (struct vop_lookup_args *);
77 static int linprocfs_open (struct vop_open_args *);
78 static int linprocfs_print (struct vop_print_args *);
79 static int linprocfs_readdir (struct vop_readdir_args *);
80 static int linprocfs_readlink (struct vop_readlink_args *);
81 static int linprocfs_reclaim (struct vop_reclaim_args *);
82 static int linprocfs_setattr (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) (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 (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);
133 p2 = PFIND(pfs->pfs_pid);
136 if (pfs->pfs_pid && !PRISON_CHECK(ap->a_cred, p2->p_ucred))
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)))
145 if (p_trespass(ap->a_cred, p2->p_ucred))
148 if (ap->a_mode & FWRITE)
149 pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);
161 * close the pfsnode (vp) after doing i/o.
162 * (vp) is not locked on entry or exit.
164 * nothing to do for procfs other than undo
165 * any exclusive open flag (see _open above).
169 struct vop_close_args /* {
172 struct ucred *a_cred;
176 struct pfsnode *pfs = VTOPFS(ap->a_vp);
179 switch (pfs->pfs_type) {
181 if ((ap->a_fflag & FWRITE) && (pfs->pfs_flags & O_EXCL))
182 pfs->pfs_flags &= ~(FWRITE|O_EXCL);
184 * If this is the last close, then it checks to see if
185 * the target process has PF_LINGER set in p_pfsflags,
186 * if this is *not* the case, then the process' stop flags
187 * are cleared, and the process is woken up. This is
188 * to help prevent the case where a process has been
189 * told to stop on an event, but then the requesting process
190 * has gone away or forgotten about it.
192 if ((ap->a_vp->v_usecount < 2)
193 && (p = pfind(pfs->pfs_pid))
194 && !(p->p_pfsflags & PF_LINGER)) {
208 * do an ioctl operation on a pfsnode (vp).
209 * (vp) is not locked on entry or exit.
213 struct vop_ioctl_args *ap;
215 struct pfsnode *pfs = VTOPFS(ap->a_vp);
220 struct procfs_status *psp;
224 procp = pfind(pfs->pfs_pid);
229 if (p_trespass(ap->a_cred, procp->p_ucred))
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_cred(ap->a_cred, 0)))
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, 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 is about
327 * to go 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 and must remain locked
335 linprocfs_inactive(ap)
336 struct vop_inactive_args /* {
340 /*struct vnode *vp = ap->a_vp;*/
346 * _reclaim is called when getnewvnode()
347 * wants to make use of an entry on the vnode
348 * free list. at this time the filesystem needs
349 * to free any private data and remove the node
350 * from any private lists.
353 linprocfs_reclaim(ap)
354 struct vop_reclaim_args /* {
358 return (linprocfs_freevp(ap->a_vp));
362 * _print is used for debugging.
363 * just print a readable description
368 struct vop_print_args /* {
372 struct pfsnode *pfs = VTOPFS(ap->a_vp);
374 printf("tag VT_PROCFS, type %d, pid %ld, mode %x, flags %lx\n",
375 pfs->pfs_type, (long)pfs->pfs_pid, pfs->pfs_mode, pfs->pfs_flags);
380 * generic entry point for unsupported operations
390 * Invent attributes for pfsnode (vp) and store
392 * Directories lengths are returned as zero since
393 * any real length would require the genuine size
394 * to be computed, and nothing cares anyway.
396 * this is relatively minimal for procfs.
399 linprocfs_getattr(ap)
400 struct vop_getattr_args /* {
403 struct ucred *a_cred;
407 struct pfsnode *pfs = VTOPFS(ap->a_vp);
408 struct vattr *vap = ap->a_vap;
413 * First make sure that the process and its credentials
416 switch (pfs->pfs_type) {
423 procp = PFIND(pfs->pfs_pid);
424 if (procp == 0 || procp->p_ucred == NULL)
430 /* start by zeroing out the attributes */
433 /* next do all the common fields */
434 vap->va_type = ap->a_vp->v_type;
435 vap->va_mode = pfs->pfs_mode;
436 vap->va_fileid = pfs->pfs_fileno;
438 vap->va_blocksize = PAGE_SIZE;
439 vap->va_bytes = vap->va_size = 0;
440 vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
443 * Make all times be current TOD.
444 * It would be possible to get the process start
445 * time from the p_stat structure, but there's
446 * no "file creation" time stamp anyway, and the
447 * p_stat structure is not addressible if u. gets
448 * swapped out for that process.
450 nanotime(&vap->va_ctime);
451 vap->va_atime = vap->va_mtime = vap->va_ctime;
454 * now do the object specific fields
456 * The size could be set from struct reg, but it's hardly
457 * worth the trouble, and it puts some (potentially) machine
458 * dependent data into this machine-independent code. If it
459 * becomes important then this function should break out into
460 * a per-file stat function in the corresponding .c file.
465 vap->va_uid = procp->p_ucred->cr_uid;
466 vap->va_gid = procp->p_ucred->cr_gid;
469 switch (pfs->pfs_type) {
472 * Set nlink to 1 to tell fts(3) we don't actually know.
477 vap->va_size = vap->va_bytes = DEV_BSIZE;
481 char buf[16]; /* should be enough */
484 vap->va_size = vap->va_bytes =
485 snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
490 vap->va_nlink = nproc_targets;
491 vap->va_size = vap->va_bytes = DEV_BSIZE;
495 char *fullpath, *freepath;
496 error = vn_fullpath(procp, NULL, &fullpath, &freepath);
498 vap->va_size = strlen(fullpath);
499 free(freepath, M_TEMP);
501 vap->va_size = sizeof("unknown") - 1;
504 vap->va_bytes = vap->va_size;
514 vap->va_bytes = vap->va_size = 0;
521 * If we denied owner access earlier, then we have to
522 * change the owner to root - otherwise 'ps' and friends
523 * will break even though they are setgid kmem. *SIGH*
525 if (procp->p_flag & P_SUGID)
528 vap->va_uid = procp->p_ucred->cr_uid;
533 vap->va_bytes = vap->va_size = 0;
534 /* uid, gid are already set */
538 panic("linprocfs_getattr");
545 linprocfs_setattr(ap)
546 struct vop_setattr_args /* {
549 struct ucred *a_cred;
554 if (ap->a_vap->va_flags != VNOVAL)
558 * just fake out attribute setting
559 * it's not good to generate an error
560 * return, otherwise things like creat()
561 * will fail when they try to set the
562 * file length to 0. worse, this means
563 * that echo $note > /proc/$pid/note will fail.
570 * implement access checking.
572 * something very similar to this code is duplicated
573 * throughout the 4bsd kernel and should be moved
574 * into kern/vfs_subr.c sometime.
576 * actually, the check for super-user is slightly
577 * broken since it will allow read access to write-only
578 * objects. this doesn't cause any particular trouble
579 * but does mean that the i/o entry points need to check
580 * that the operation really does make sense.
584 struct vop_access_args /* {
587 struct ucred *a_cred;
596 * If you're the super-user,
597 * you always get access.
599 if (ap->a_cred->cr_uid == 0)
603 error = VOP_GETATTR(ap->a_vp, vap, ap->a_td);
608 * Access check is based on only one of owner, group, public.
609 * If not owner, then check group. If not a member of the
610 * group, then check public access.
612 if (ap->a_cred->cr_uid != vap->va_uid) {
617 gp = ap->a_cred->cr_groups;
618 for (i = 0; i < ap->a_cred->cr_ngroups; i++, gp++)
619 if (vap->va_gid == *gp)
626 if ((vap->va_mode & ap->a_mode) == ap->a_mode)
633 * lookup. this is incredibly complicated in the general case, however
634 * for most pseudo-filesystems very little needs to be done.
638 struct vop_lookup_args /* {
639 struct vnode * a_dvp;
640 struct vnode ** a_vpp;
641 struct componentname * a_cnp;
644 struct componentname *cnp = ap->a_cnp;
645 struct vnode **vpp = ap->a_vpp;
646 struct vnode *dvp = ap->a_dvp;
647 char *pname = cnp->cn_nameptr;
648 struct proc_target *pt;
657 if (cnp->cn_nameiop == NAMEI_DELETE ||
658 cnp->cn_nameiop == NAMEI_RENAME ||
659 cnp->cn_nameiop == NAMEI_CREATE) {
665 if (cnp->cn_namelen == 1 && *pname == '.') {
672 switch (pfs->pfs_type) {
674 if (cnp->cn_flags & CNP_ISDOTDOT)
677 if (CNEQ(cnp, "self", 4)) {
678 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pself);
681 if (CNEQ(cnp, "meminfo", 7)) {
682 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pmeminfo);
685 if (CNEQ(cnp, "cpuinfo", 7)) {
686 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pcpuinfo);
689 if (CNEQ(cnp, "stat", 4)) {
690 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pstat);
693 if (CNEQ(cnp, "uptime", 6)) {
694 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Puptime);
697 if (CNEQ(cnp, "version", 7)) {
698 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pversion);
701 if (CNEQ(cnp, "loadavg", 7)) {
702 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Ploadavg);
706 pid = atopid(pname, cnp->cn_namelen);
714 error = linprocfs_allocvp(dvp->v_mount, vpp, pid, Pproc);
718 if (cnp->cn_flags & CNP_ISDOTDOT) {
719 error = linprocfs_root(dvp->v_mount, vpp);
723 p = PFIND(pfs->pfs_pid);
727 for (pt = proc_targets, i = 0; i < nproc_targets; pt++, i++) {
728 if (cnp->cn_namelen == pt->pt_namlen &&
729 bcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 &&
730 (pt->pt_valid == NULL || (*pt->pt_valid)(p)))
736 error = linprocfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid,
745 if (cnp->cn_nameiop == NAMEI_LOOKUP)
751 * If no error occured *vpp will hold a referenced locked vnode.
752 * dvp was passed to us locked and *vpp must be returned locked
753 * so if dvp != *vpp and CNP_LOCKPARENT is not set, unlock dvp.
757 if (*vpp != dvp && (cnp->cn_flags & CNP_LOCKPARENT) == 0) {
758 cnp->cn_flags |= CNP_PDIRUNLOCK;
759 VOP_UNLOCK(dvp, 0, cnp->cn_td);
766 * Does this process have a text file?
769 linprocfs_validfile(p)
773 return (procfs_findtextvp(p) != NULLVP);
777 * readdir() returns directory entries from pfsnode (vp).
779 * We generate just one directory entry at a time, as it would probably
780 * not pay off to buffer several entries locally to save uiomove calls.
783 linprocfs_readdir(ap)
784 struct vop_readdir_args /* {
787 struct ucred *a_cred;
793 struct uio *uio = ap->a_uio;
795 struct dirent *dp = &d;
797 int count, error, i, off;
802 d.d_namlen = PROCFS_NAMELEN;
803 delen = GENERIC_DIRSIZ(&d);
806 pfs = VTOPFS(ap->a_vp);
808 off = (int)uio->uio_offset;
809 if (off != uio->uio_offset || off < 0 ||
810 off % delen != 0 || uio->uio_resid < delen)
817 switch (pfs->pfs_type) {
819 * this is for the process-specific sub-directories.
820 * all that is needed to is copy out all the entries
821 * from the procent[] table (top of this file).
825 struct proc_target *pt;
827 p = PFIND(pfs->pfs_pid);
830 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
833 for (pt = &proc_targets[i];
834 uio->uio_resid >= delen && i < nproc_targets; pt++, i++) {
835 if (pt->pt_valid && (*pt->pt_valid)(p) == 0)
838 dp->d_reclen = delen;
839 dp->d_fileno = PROCFS_FILENO(pfs->pfs_pid, pt->pt_pfstype);
840 dp->d_namlen = pt->pt_namlen;
841 bcopy(pt->pt_name, dp->d_name, pt->pt_namlen + 1);
842 dp->d_type = pt->pt_type;
844 if ((error = uiomove((caddr_t)dp, delen, uio)) != 0)
852 * this is for the root of the procfs filesystem
853 * what is needed is a special entry for "self"
854 * followed by an entry for each process on allproc
865 struct proc *p = allproc.lh_first;
867 for (; p && uio->uio_resid >= delen; i++, pcnt++) {
868 bzero((char *) dp, delen);
869 dp->d_reclen = delen;
874 dp->d_fileno = PROCFS_FILENO(0, Proot);
875 dp->d_namlen = i + 1;
876 bcopy("..", dp->d_name, dp->d_namlen);
877 dp->d_name[i + 1] = '\0';
882 dp->d_fileno = PROCFS_FILENO(0, Pself);
884 bcopy("self", dp->d_name, 5);
889 dp->d_fileno = PROCFS_FILENO(0, Pmeminfo);
891 bcopy("meminfo", dp->d_name, 8);
896 dp->d_fileno = PROCFS_FILENO(0, Pcpuinfo);
898 bcopy("cpuinfo", dp->d_name, 8);
903 dp->d_fileno = PROCFS_FILENO(0, Pstat);
905 bcopy("stat", dp->d_name, 5);
910 dp->d_fileno = PROCFS_FILENO(0, Puptime);
912 bcopy("uptime", dp->d_name, 7);
917 dp->d_fileno = PROCFS_FILENO(0, Pversion);
919 bcopy("version", dp->d_name, 8);
924 dp->d_fileno = PROCFS_FILENO(0, Ploadavg);
926 bcopy("loadavg", dp->d_name, 8);
933 p = p->p_list.le_next;
936 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
940 while (!PRISON_CHECK(ap->a_cred, p->p_ucred)) {
941 p = p->p_list.le_next;
945 dp->d_fileno = PROCFS_FILENO(p->p_pid, Pproc);
946 dp->d_namlen = sprintf(dp->d_name, "%ld",
949 p = p->p_list.le_next;
953 if ((error = uiomove((caddr_t)dp, delen, uio)) != 0)
959 if (p == 0 && doingzomb == 0) {
961 p = zombproc.lh_first;
975 uio->uio_offset = i * delen;
981 * readlink reads the link of `self' or `exe'
984 linprocfs_readlink(ap)
985 struct vop_readlink_args *ap;
987 char buf[16]; /* should be enough */
989 struct vnode *vp = ap->a_vp;
990 struct pfsnode *pfs = VTOPFS(vp);
991 char *fullpath, *freepath;
994 switch (pfs->pfs_type) {
996 if (pfs->pfs_fileno != PROCFS_FILENO(0, Pself))
999 len = snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
1001 return (uiomove(buf, len, ap->a_uio));
1003 * There _should_ be no way for an entire process to disappear
1007 procp = PFIND(pfs->pfs_pid);
1008 if (procp == NULL || procp->p_ucred == NULL) {
1009 printf("linprocfs_readlink: pid %d disappeared\n",
1011 return (uiomove("unknown", sizeof("unknown") - 1,
1014 error = vn_fullpath(procp, NULL, &fullpath, &freepath);
1016 return (uiomove("unknown", sizeof("unknown") - 1,
1018 error = uiomove(fullpath, strlen(fullpath), ap->a_uio);
1019 free(freepath, M_TEMP);
1027 * convert decimal ascii to pid_t
1038 if (c < '0' || c > '9')
1040 p = 10 * p + (c - '0');
1049 * procfs vnode operations.
1051 struct vnodeopv_entry_desc linprocfs_vnodeop_entries[] = {
1052 { &vop_default_desc, vop_defaultop },
1053 { &vop_access_desc, (void *) linprocfs_access },
1054 { &vop_advlock_desc, (void *) linprocfs_badop },
1055 { &vop_bmap_desc, (void *) linprocfs_bmap },
1056 { &vop_close_desc, (void *) linprocfs_close },
1057 { &vop_create_desc, (void *) linprocfs_badop },
1058 { &vop_getattr_desc, (void *) linprocfs_getattr },
1059 { &vop_inactive_desc, (void *) linprocfs_inactive },
1060 { &vop_link_desc, (void *) linprocfs_badop },
1061 { &vop_lookup_desc, (void *) linprocfs_lookup },
1062 { &vop_mkdir_desc, (void *) linprocfs_badop },
1063 { &vop_mknod_desc, (void *) linprocfs_badop },
1064 { &vop_open_desc, (void *) linprocfs_open },
1065 { &vop_pathconf_desc, (void *) vop_stdpathconf },
1066 { &vop_print_desc, (void *) linprocfs_print },
1067 { &vop_read_desc, (void *) linprocfs_rw },
1068 { &vop_readdir_desc, (void *) linprocfs_readdir },
1069 { &vop_readlink_desc, (void *) linprocfs_readlink },
1070 { &vop_reclaim_desc, (void *) linprocfs_reclaim },
1071 { &vop_remove_desc, (void *) linprocfs_badop },
1072 { &vop_rename_desc, (void *) linprocfs_badop },
1073 { &vop_rmdir_desc, (void *) linprocfs_badop },
1074 { &vop_setattr_desc, (void *) linprocfs_setattr },
1075 { &vop_symlink_desc, (void *) linprocfs_badop },
1076 { &vop_write_desc, (void *) linprocfs_rw },
1077 { &vop_ioctl_desc, (void *) linprocfs_ioctl },