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 1.30 2006/05/06 02:43:11 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 #include <machine/limits.h>
69 extern struct vnode *procfs_findtextvp (struct proc *);
71 static int linprocfs_access (struct vop_access_args *);
72 static int linprocfs_badop (void);
73 static int linprocfs_bmap (struct vop_bmap_args *);
74 static int linprocfs_close (struct vop_close_args *);
75 static int linprocfs_getattr (struct vop_getattr_args *);
76 static int linprocfs_inactive (struct vop_inactive_args *);
77 static int linprocfs_ioctl (struct vop_ioctl_args *);
78 static int linprocfs_lookup (struct vop_old_lookup_args *);
79 static int linprocfs_open (struct vop_open_args *);
80 static int linprocfs_print (struct vop_print_args *);
81 static int linprocfs_readdir (struct vop_readdir_args *);
82 static int linprocfs_readlink (struct vop_readlink_args *);
83 static int linprocfs_reclaim (struct vop_reclaim_args *);
84 static int linprocfs_setattr (struct vop_setattr_args *);
86 static int linprocfs_readdir_proc(struct vop_readdir_args *);
87 static int linprocfs_readdir_root(struct vop_readdir_args *);
90 * This is a list of the valid names in the
91 * process-specific sub-directories. It is
92 * used in linprocfs_lookup and linprocfs_readdir
94 static struct proc_target {
99 int (*pt_valid) (struct proc *p);
101 #define N(s) sizeof(s)-1, s
102 /* name type validp */
103 { DT_DIR, N("."), Pproc, NULL },
104 { DT_DIR, N(".."), Proot, NULL },
105 { DT_REG, N("mem"), Pmem, NULL },
106 { DT_LNK, N("exe"), Pexe, NULL },
107 { DT_REG, N("stat"), Pprocstat, NULL },
108 { DT_REG, N("status"), Pprocstatus, NULL },
111 static const int nproc_targets = sizeof(proc_targets) / sizeof(proc_targets[0]);
113 static pid_t atopid (const char *, u_int);
116 * set things up for doing i/o on
117 * the pfsnode (vp). (vp) is locked
118 * on entry, and should be left locked
121 * for procfs we don't need to do anything
122 * in particular for i/o. all that is done
123 * is to support exclusive open on process
127 linprocfs_open(struct vop_open_args *ap)
129 struct pfsnode *pfs = VTOPFS(ap->a_vp);
132 p2 = PFIND(pfs->pfs_pid);
135 if (pfs->pfs_pid && !PRISON_CHECK(ap->a_cred, p2->p_ucred))
138 switch (pfs->pfs_type) {
140 if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
141 ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
144 if (p_trespass(ap->a_cred, p2->p_ucred))
147 if (ap->a_mode & FWRITE)
148 pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);
155 return (vop_stdopen(ap));
159 * close the pfsnode (vp) after doing i/o.
160 * (vp) is not locked on entry or exit.
162 * nothing to do for procfs other than undo
163 * any exclusive open flag (see _open above).
166 linprocfs_close(struct vop_close_args *ap)
168 struct pfsnode *pfs = VTOPFS(ap->a_vp);
171 switch (pfs->pfs_type) {
173 if ((ap->a_fflag & FWRITE) && (pfs->pfs_flags & O_EXCL))
174 pfs->pfs_flags &= ~(FWRITE|O_EXCL);
176 * If this is the last close, then it checks to see if
177 * the target process has PF_LINGER set in p_pfsflags,
178 * if this is *not* the case, then the process' stop flags
179 * are cleared, and the process is woken up. This is
180 * to help prevent the case where a process has been
181 * told to stop on an event, but then the requesting process
182 * has gone away or forgotten about it.
184 if ((ap->a_vp->v_usecount < 2)
185 && (p = pfind(pfs->pfs_pid))
186 && !(p->p_pfsflags & PF_LINGER)) {
195 return (vop_stdclose(ap));
199 * do an ioctl operation on a pfsnode (vp).
200 * (vp) is not locked on entry or exit.
203 linprocfs_ioctl(struct vop_ioctl_args *ap)
205 struct pfsnode *pfs = VTOPFS(ap->a_vp);
209 struct procfs_status *psp;
212 procp = pfind(pfs->pfs_pid);
217 if (p_trespass(ap->a_cred, procp->p_ucred))
220 switch (ap->a_command) {
222 procp->p_stops |= *(unsigned int*)ap->a_data;
225 procp->p_stops &= ~*(unsigned int*)ap->a_data;
229 * NFLAGS is "non-suser_xxx flags" -- currently, only
230 * PFS_ISUGID ("ignore set u/g id");
232 #define NFLAGS (PF_ISUGID)
233 flags = (unsigned char)*(unsigned int*)ap->a_data;
234 if (flags & NFLAGS && (error = suser_cred(ap->a_cred, 0)))
236 procp->p_pfsflags = flags;
239 *(unsigned int*)ap->a_data = (unsigned int)procp->p_pfsflags;
241 psp = (struct procfs_status *)ap->a_data;
242 psp->state = (procp->p_step == 0);
243 psp->flags = procp->p_pfsflags;
244 psp->events = procp->p_stops;
246 psp->why = procp->p_stype;
247 psp->val = procp->p_xstat;
249 psp->why = psp->val = 0; /* Not defined values */
253 psp = (struct procfs_status *)ap->a_data;
254 if (procp->p_step == 0) {
255 error = tsleep(&procp->p_stype, PCATCH, "piocwait", 0);
259 psp->state = 1; /* It stopped */
260 psp->flags = procp->p_pfsflags;
261 psp->events = procp->p_stops;
262 psp->why = procp->p_stype; /* why it stopped */
263 psp->val = procp->p_xstat; /* any extra info */
265 case PIOCCONT: /* Restart a proc */
266 if (procp->p_step == 0)
267 return EINVAL; /* Can only start a stopped process */
268 if ((signo = *(int*)ap->a_data) != 0) {
269 if (signo >= NSIG || signo <= 0)
271 psignal(procp, signo);
274 wakeup(&procp->p_step);
283 * do block mapping for pfsnode (vp).
284 * since we don't use the buffer cache
285 * for procfs this function should never
286 * be called. in any case, it's not clear
287 * what part of the kernel ever makes use
288 * of this function. for sanity, this is the
289 * usual no-op bmap, although returning
290 * (EIO) would be a reasonable alternative.
293 linprocfs_bmap(struct vop_bmap_args *ap)
295 if (ap->a_vpp != NULL)
296 *ap->a_vpp = ap->a_vp;
297 if (ap->a_doffsetp != NULL)
298 *ap->a_doffsetp = ap->a_loffset;
299 if (ap->a_runp != NULL)
301 if (ap->a_runb != NULL)
307 * linprocfs_inactive is called when the pfsnode
308 * is vrele'd and the reference count is about
309 * to go to zero. (vp) will be on the vnode free
310 * list, so to get it back vget() must be
313 * (vp) is locked on entry and must remain locked
317 linprocfs_inactive(struct vop_inactive_args *ap)
319 /*struct vnode *vp = ap->a_vp;*/
325 * _reclaim is called when getnewvnode()
326 * wants to make use of an entry on the vnode
327 * free list. at this time the filesystem needs
328 * to free any private data and remove the node
329 * from any private lists.
332 linprocfs_reclaim(struct vop_reclaim_args *ap)
334 return (linprocfs_freevp(ap->a_vp));
338 * _print is used for debugging.
339 * just print a readable description
343 linprocfs_print(struct vop_print_args *ap)
345 struct pfsnode *pfs = VTOPFS(ap->a_vp);
347 printf("tag VT_PROCFS, type %d, pid %ld, mode %x, flags %lx\n",
348 pfs->pfs_type, (long)pfs->pfs_pid, pfs->pfs_mode, pfs->pfs_flags);
353 * generic entry point for unsupported operations
356 linprocfs_badop(void)
363 * Invent attributes for pfsnode (vp) and store
365 * Directories lengths are returned as zero since
366 * any real length would require the genuine size
367 * to be computed, and nothing cares anyway.
369 * this is relatively minimal for procfs.
372 linprocfs_getattr(struct vop_getattr_args *ap)
374 struct pfsnode *pfs = VTOPFS(ap->a_vp);
375 struct vattr *vap = ap->a_vap;
380 * First make sure that the process and its credentials
383 switch (pfs->pfs_type) {
390 procp = PFIND(pfs->pfs_pid);
391 if (procp == 0 || procp->p_ucred == NULL)
397 /* start by zeroing out the attributes */
400 /* next do all the common fields */
401 vap->va_type = ap->a_vp->v_type;
402 vap->va_mode = pfs->pfs_mode;
403 vap->va_fileid = pfs->pfs_fileno;
405 vap->va_blocksize = PAGE_SIZE;
406 vap->va_bytes = vap->va_size = 0;
407 vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
410 * Make all times be current TOD.
411 * It would be possible to get the process start
412 * time from the p_stat structure, but there's
413 * no "file creation" time stamp anyway, and the
414 * p_stat structure is not addressible if u. gets
415 * swapped out for that process.
417 nanotime(&vap->va_ctime);
418 vap->va_atime = vap->va_mtime = vap->va_ctime;
421 * now do the object specific fields
423 * The size could be set from struct reg, but it's hardly
424 * worth the trouble, and it puts some (potentially) machine
425 * dependent data into this machine-independent code. If it
426 * becomes important then this function should break out into
427 * a per-file stat function in the corresponding .c file.
432 vap->va_uid = procp->p_ucred->cr_uid;
433 vap->va_gid = procp->p_ucred->cr_gid;
436 switch (pfs->pfs_type) {
439 * Set nlink to 1 to tell fts(3) we don't actually know.
444 vap->va_size = vap->va_bytes = DEV_BSIZE;
448 char buf[16]; /* should be enough */
451 vap->va_size = vap->va_bytes =
452 snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
457 vap->va_nlink = nproc_targets;
458 vap->va_size = vap->va_bytes = DEV_BSIZE;
462 char *fullpath, *freepath;
463 error = vn_fullpath(procp, NULL, &fullpath, &freepath);
465 vap->va_size = strlen(fullpath);
466 free(freepath, M_TEMP);
468 vap->va_size = sizeof("unknown") - 1;
471 vap->va_bytes = vap->va_size;
481 vap->va_bytes = vap->va_size = 0;
488 * If we denied owner access earlier, then we have to
489 * change the owner to root - otherwise 'ps' and friends
490 * will break even though they are setgid kmem. *SIGH*
492 if (procp->p_flag & P_SUGID)
495 vap->va_uid = procp->p_ucred->cr_uid;
500 vap->va_bytes = vap->va_size = 0;
501 /* uid, gid are already set */
505 panic("linprocfs_getattr");
512 linprocfs_setattr(struct vop_setattr_args *ap)
515 if (ap->a_vap->va_flags != VNOVAL)
519 * just fake out attribute setting
520 * it's not good to generate an error
521 * return, otherwise things like creat()
522 * will fail when they try to set the
523 * file length to 0. worse, this means
524 * that echo $note > /proc/$pid/note will fail.
531 * implement access checking.
533 * something very similar to this code is duplicated
534 * throughout the 4bsd kernel and should be moved
535 * into kern/vfs_subr.c sometime.
537 * actually, the check for super-user is slightly
538 * broken since it will allow read access to write-only
539 * objects. this doesn't cause any particular trouble
540 * but does mean that the i/o entry points need to check
541 * that the operation really does make sense.
544 linprocfs_access(struct vop_access_args *ap)
551 * If you're the super-user,
552 * you always get access.
554 if (ap->a_cred->cr_uid == 0)
558 error = VOP_GETATTR(ap->a_vp, vap);
563 * Access check is based on only one of owner, group, public.
564 * If not owner, then check group. If not a member of the
565 * group, then check public access.
567 if (ap->a_cred->cr_uid != vap->va_uid) {
572 gp = ap->a_cred->cr_groups;
573 for (i = 0; i < ap->a_cred->cr_ngroups; i++, gp++)
574 if (vap->va_gid == *gp)
581 if ((vap->va_mode & ap->a_mode) == ap->a_mode)
588 * lookup. this is incredibly complicated in the general case, however
589 * for most pseudo-filesystems very little needs to be done.
592 linprocfs_lookup(struct vop_old_lookup_args *ap)
594 struct componentname *cnp = ap->a_cnp;
595 struct vnode **vpp = ap->a_vpp;
596 struct vnode *dvp = ap->a_dvp;
597 char *pname = cnp->cn_nameptr;
598 struct proc_target *pt;
607 if (cnp->cn_nameiop == NAMEI_DELETE ||
608 cnp->cn_nameiop == NAMEI_RENAME ||
609 cnp->cn_nameiop == NAMEI_CREATE) {
615 if (cnp->cn_namelen == 1 && *pname == '.') {
622 switch (pfs->pfs_type) {
624 if (cnp->cn_flags & CNP_ISDOTDOT)
627 if (CNEQ(cnp, "self", 4)) {
628 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pself);
631 if (CNEQ(cnp, "meminfo", 7)) {
632 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pmeminfo);
635 if (CNEQ(cnp, "cpuinfo", 7)) {
636 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pcpuinfo);
639 if (CNEQ(cnp, "stat", 4)) {
640 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pstat);
643 if (CNEQ(cnp, "uptime", 6)) {
644 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Puptime);
647 if (CNEQ(cnp, "version", 7)) {
648 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pversion);
651 if (CNEQ(cnp, "loadavg", 7)) {
652 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Ploadavg);
656 pid = atopid(pname, cnp->cn_namelen);
664 if (!PRISON_CHECK(ap->a_cnp->cn_cred, p->p_ucred))
667 if (ps_showallprocs == 0 && ap->a_cnp->cn_cred->cr_uid != 0 &&
668 ap->a_cnp->cn_cred->cr_uid != p->p_ucred->cr_uid)
671 error = linprocfs_allocvp(dvp->v_mount, vpp, pid, Pproc);
675 if (cnp->cn_flags & CNP_ISDOTDOT) {
676 error = linprocfs_root(dvp->v_mount, vpp);
680 p = PFIND(pfs->pfs_pid);
684 if (!PRISON_CHECK(ap->a_cnp->cn_cred, p->p_ucred))
687 if (ps_showallprocs == 0 && ap->a_cnp->cn_cred->cr_uid != 0 &&
688 ap->a_cnp->cn_cred->cr_uid != p->p_ucred->cr_uid)
691 for (pt = proc_targets, i = 0; i < nproc_targets; pt++, i++) {
692 if (cnp->cn_namelen == pt->pt_namlen &&
693 bcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 &&
694 (pt->pt_valid == NULL || (*pt->pt_valid)(p)))
700 error = linprocfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid,
709 if (cnp->cn_nameiop == NAMEI_LOOKUP)
715 * If no error occured *vpp will hold a referenced locked vnode.
716 * dvp was passed to us locked and *vpp must be returned locked
717 * so if dvp != *vpp and CNP_LOCKPARENT is not set, unlock dvp.
721 if (*vpp != dvp && (cnp->cn_flags & CNP_LOCKPARENT) == 0) {
722 cnp->cn_flags |= CNP_PDIRUNLOCK;
730 * Does this process have a text file?
733 linprocfs_validfile(struct proc *p)
736 return (procfs_findtextvp(p) != NULLVP);
740 * readdir() returns directory entries from pfsnode (vp).
742 * We generate just one directory entry at a time, as it would probably
743 * not pay off to buffer several entries locally to save uiomove calls.
745 * linprocfs_readdir(struct vnode *a_vp, struct uio *a_uio,
746 * struct ucred *a_cred, int *a_eofflag,
747 * int *a_ncookies, u_long **a_cookies)
750 linprocfs_readdir(struct vop_readdir_args *ap)
755 if (ap->a_uio->uio_offset < 0 || ap->a_uio->uio_offset > INT_MAX)
758 pfs = VTOPFS(ap->a_vp);
760 switch (pfs->pfs_type) {
762 * this is for the process-specific sub-directories.
763 * all that is needed to is copy out all the entries
764 * from the procent[] table (top of this file).
767 error = linprocfs_readdir_proc(ap);
771 * this is for the root of the procfs filesystem
772 * what is needed is a special entry for "self"
773 * followed by an entry for each process on allproc
777 error = linprocfs_readdir_root(ap);
789 linprocfs_readdir_proc(struct vop_readdir_args *ap)
792 int error, i, retval;
794 struct proc_target *pt;
795 struct uio *uio = ap->a_uio;
797 pfs = VTOPFS(ap->a_vp);
798 p = PFIND(pfs->pfs_pid);
801 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
807 for (pt = &proc_targets[i];
808 !error && uio->uio_resid > 0 && i < nproc_targets; pt++, i++) {
809 if (pt->pt_valid && (*pt->pt_valid)(p) == 0)
812 retval = vop_write_dirent(&error, uio,
813 PROCFS_FILENO(pfs->pfs_pid, pt->pt_pfstype), pt->pt_type,
814 pt->pt_namlen, pt->pt_name);
825 linprocfs_readdir_root(struct vop_readdir_args *ap)
827 int error, i, pcnt, retval;
828 struct uio *uio = ap->a_uio;
829 struct proc *p = LIST_FIRST(&allproc);
840 for (; p && uio->uio_resid > 0 && !error; i++, pcnt++) {
843 d_ino = PROCFS_FILENO(0, Proot);
849 d_ino = PROCFS_FILENO(0, Proot);
856 d_ino = PROCFS_FILENO(0, Proot);
863 d_ino = PROCFS_FILENO(0, Pmeminfo);
870 d_ino = PROCFS_FILENO(0, Pcpuinfo);
877 d_ino = PROCFS_FILENO(0, Pstat);
884 d_ino = PROCFS_FILENO(0, Puptime);
891 d_ino = PROCFS_FILENO(0, Pversion);
898 d_ino = PROCFS_FILENO(0, Ploadavg);
906 p = LIST_NEXT(p, p_list);
909 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
913 while (!PRISON_CHECK(ap->a_cred, p->p_ucred)) {
914 p = LIST_NEXT(p, p_list);
918 if (ps_showallprocs == 0 &&
919 ap->a_cred->cr_uid != 0 &&
920 ap->a_cred->cr_uid != p->p_ucred->cr_uid) {
921 p = LIST_NEXT(p, p_list);
926 d_ino = PROCFS_FILENO(p->p_pid, Pproc);
927 d_namlen = snprintf(d_name_pid, sizeof(d_name_pid),
928 "%ld", (long)p->p_pid);
931 p = LIST_NEXT(p, p_list);
937 retval = vop_write_dirent(&error, uio,
938 d_ino, d_type, d_namlen, d_name);
951 * readlink reads the link of `self' or `exe'
954 linprocfs_readlink(struct vop_readlink_args *ap)
956 char buf[16]; /* should be enough */
958 struct vnode *vp = ap->a_vp;
959 struct pfsnode *pfs = VTOPFS(vp);
960 char *fullpath, *freepath;
963 switch (pfs->pfs_type) {
965 if (pfs->pfs_fileno != PROCFS_FILENO(0, Pself))
968 len = snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
970 return (uiomove(buf, len, ap->a_uio));
972 * There _should_ be no way for an entire process to disappear
976 procp = PFIND(pfs->pfs_pid);
977 if (procp == NULL || procp->p_ucred == NULL) {
978 printf("linprocfs_readlink: pid %d disappeared\n",
980 return (uiomove("unknown", sizeof("unknown") - 1,
983 error = vn_fullpath(procp, NULL, &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
999 atopid(const char *b, u_int len)
1005 if (c < '0' || c > '9')
1007 p = 10 * p + (c - '0');
1016 * procfs vnode operations.
1018 struct vnodeopv_entry_desc linprocfs_vnodeop_entries[] = {
1019 { &vop_default_desc, (vnodeopv_entry_t)vop_defaultop },
1020 { &vop_access_desc, (vnodeopv_entry_t)linprocfs_access },
1021 { &vop_advlock_desc, (vnodeopv_entry_t)linprocfs_badop },
1022 { &vop_bmap_desc, (vnodeopv_entry_t)linprocfs_bmap },
1023 { &vop_close_desc, (vnodeopv_entry_t)linprocfs_close },
1024 { &vop_old_create_desc, (vnodeopv_entry_t)linprocfs_badop },
1025 { &vop_getattr_desc, (vnodeopv_entry_t)linprocfs_getattr },
1026 { &vop_inactive_desc, (vnodeopv_entry_t)linprocfs_inactive },
1027 { &vop_old_link_desc, (vnodeopv_entry_t)linprocfs_badop },
1028 { &vop_old_lookup_desc, (vnodeopv_entry_t)linprocfs_lookup },
1029 { &vop_old_mkdir_desc, (vnodeopv_entry_t)linprocfs_badop },
1030 { &vop_old_mknod_desc, (vnodeopv_entry_t)linprocfs_badop },
1031 { &vop_open_desc, (vnodeopv_entry_t)linprocfs_open },
1032 { &vop_pathconf_desc, (vnodeopv_entry_t)vop_stdpathconf },
1033 { &vop_print_desc, (vnodeopv_entry_t)linprocfs_print },
1034 { &vop_read_desc, (vnodeopv_entry_t)linprocfs_rw },
1035 { &vop_readdir_desc, (vnodeopv_entry_t)linprocfs_readdir },
1036 { &vop_readlink_desc, (vnodeopv_entry_t)linprocfs_readlink },
1037 { &vop_reclaim_desc, (vnodeopv_entry_t)linprocfs_reclaim },
1038 { &vop_old_remove_desc, (vnodeopv_entry_t)linprocfs_badop },
1039 { &vop_old_rename_desc, (vnodeopv_entry_t)linprocfs_badop },
1040 { &vop_old_rmdir_desc, (vnodeopv_entry_t)linprocfs_badop },
1041 { &vop_setattr_desc, (vnodeopv_entry_t)linprocfs_setattr },
1042 { &vop_old_symlink_desc, (vnodeopv_entry_t)linprocfs_badop },
1043 { &vop_write_desc, (vnodeopv_entry_t)linprocfs_rw },
1044 { &vop_ioctl_desc, (vnodeopv_entry_t)linprocfs_ioctl },