1 /* $NetBSD: puffs_vnops.c,v 1.154 2011/07/04 08:07:30 manu Exp $ */
4 * Copyright (c) 2005, 2006, 2007 Antti Kantee. All Rights Reserved.
6 * Development of this software was supported by the
7 * Google Summer of Code program and the Ulla Tuominen Foundation.
8 * The Google SoC project was mentored by Bill Studenmund.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/param.h>
34 #include <sys/lockf.h>
35 #include <sys/malloc.h>
36 #include <sys/mount.h>
37 #include <sys/namei.h>
38 #include <sys/vnode.h>
41 #include <vfs/fifofs/fifo.h>
43 #include <vfs/puffs/puffs_msgif.h>
44 #include <vfs/puffs/puffs_sys.h>
46 int (**puffs_vnodeop_p)(void *);
52 } while (/*CONSTCOND*/0)
54 static int callremove(struct puffs_mount *, puffs_cookie_t, puffs_cookie_t,
55 struct namecache *, struct ucred *);
56 static int callrmdir(struct puffs_mount *, puffs_cookie_t, puffs_cookie_t,
57 struct namecache *, struct ucred *);
58 static void callinactive(struct puffs_mount *, puffs_cookie_t, int);
59 static void callreclaim(struct puffs_mount *, puffs_cookie_t);
60 static int flushvncache(struct vnode *, int);
63 #define PUFFS_ABORT_LOOKUP 1
64 #define PUFFS_ABORT_CREATE 2
65 #define PUFFS_ABORT_MKNOD 3
66 #define PUFFS_ABORT_MKDIR 4
67 #define PUFFS_ABORT_SYMLINK 5
70 * Press the pani^Wabort button! Kernel resource allocation failed.
73 puffs_abortbutton(struct puffs_mount *pmp, int what,
74 puffs_cookie_t dck, puffs_cookie_t ck,
75 struct namecache *ncp, struct ucred *cred)
79 case PUFFS_ABORT_CREATE:
80 case PUFFS_ABORT_MKNOD:
81 case PUFFS_ABORT_SYMLINK:
82 callremove(pmp, dck, ck, ncp, cred);
84 case PUFFS_ABORT_MKDIR:
85 callrmdir(pmp, dck, ck, ncp, cred);
89 callinactive(pmp, ck, 0);
94 * Begin vnode operations.
96 * A word from the keymaster about locks: generally we don't want
97 * to use the vnode locks at all: it creates an ugly dependency between
98 * the userlandia file server and the kernel. But we'll play along with
99 * the kernel vnode locks for now. However, even currently we attempt
100 * to release locks as early as possible. This is possible for some
101 * operations which a) don't need a locked vnode after the userspace op
102 * and b) return with the vnode unlocked. Theoretically we could
103 * unlock-do op-lock for others and order the graph in userspace, but I
104 * don't want to think of the consequences for the time being.
107 puffs_vnop_lookup(struct vop_nresolve_args *ap)
109 PUFFS_MSG_VARS(vn, lookup);
110 struct puffs_mount *pmp = MPTOPUFFSMP(ap->a_dvp->v_mount);
111 struct nchandle *nch = ap->a_nch;
112 struct namecache *ncp = nch->ncp;
113 struct ucred *cred = ap->a_cred;
114 struct vnode *vp = NULL, *dvp = ap->a_dvp;
115 struct puffs_node *dpn;
118 DPRINTF(("puffs_lookup: \"%s\", parent vnode %p\n",
121 PUFFS_MSG_ALLOC(vn, lookup);
122 puffs_makecn(&lookup_msg->pvnr_cn, &lookup_msg->pvnr_cn_cred,
125 puffs_msg_setinfo(park_lookup, PUFFSOP_VN,
126 PUFFS_VN_LOOKUP, VPTOPNC(dvp));
127 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_lookup, dvp->v_data, NULL, error);
128 DPRINTF(("puffs_lookup: return of the userspace, part %d\n", error));
130 error = checkerr(pmp, error, __func__);
132 cache_setvp(nch, NULL);
137 * Check that we don't get our parent node back, that would cause
138 * a pretty obvious deadlock.
141 if (lookup_msg->pvnr_newnode == dpn->pn_cookie) {
142 puffs_senderr(pmp, PUFFS_ERR_LOOKUP, EINVAL,
143 "lookup produced parent cookie", lookup_msg->pvnr_newnode);
148 error = puffs_cookie2vnode(pmp, lookup_msg->pvnr_newnode, 1, &vp);
149 if (error == PUFFS_NOSUCHCOOKIE) {
150 error = puffs_getvnode(dvp->v_mount,
151 lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype,
152 lookup_msg->pvnr_size, &vp);
154 puffs_abortbutton(pmp, PUFFS_ABORT_LOOKUP, VPTOPNC(dvp),
155 lookup_msg->pvnr_newnode, ncp, cred);
159 puffs_abortbutton(pmp, PUFFS_ABORT_LOOKUP, VPTOPNC(dvp),
160 lookup_msg->pvnr_newnode, ncp, cred);
165 if (!error && vp != NULL) {
167 cache_setvp(nch, vp);
170 DPRINTF(("puffs_lookup: returning %d\n", error));
171 PUFFS_MSG_RELEASE(lookup);
176 puffs_vnop_lookupdotdot(struct vop_nlookupdotdot_args *ap)
178 PUFFS_MSG_VARS(vn, lookupdotdot);
179 struct puffs_mount *pmp = MPTOPUFFSMP(ap->a_dvp->v_mount);
180 struct ucred *cred = ap->a_cred;
181 struct vnode *vp, *dvp = ap->a_dvp;
182 struct puffs_node *dpn;
187 DPRINTF(("puffs_lookupdotdot: vnode %p\n", dvp));
189 PUFFS_MSG_ALLOC(vn, lookupdotdot);
190 puffs_credcvt(&lookupdotdot_msg->pvnr_cred, cred);
192 puffs_msg_setinfo(park_lookupdotdot, PUFFSOP_VN,
193 PUFFS_VN_LOOKUPDOTDOT, VPTOPNC(dvp));
194 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_lookupdotdot, dvp->v_data, NULL,
196 DPRINTF(("puffs_lookupdotdot: return of the userspace, part %d\n",
199 error = checkerr(pmp, error, __func__);
204 * Check that we don't get our node back, that would cause
205 * a pretty obvious deadlock.
208 if (lookupdotdot_msg->pvnr_newnode == dpn->pn_cookie) {
209 puffs_senderr(pmp, PUFFS_ERR_LOOKUP, EINVAL,
210 "lookupdotdot produced the same cookie",
211 lookupdotdot_msg->pvnr_newnode);
216 error = puffs_cookie2vnode(pmp, lookupdotdot_msg->pvnr_newnode,
218 if (error == PUFFS_NOSUCHCOOKIE) {
219 error = puffs_getvnode(dvp->v_mount,
220 lookupdotdot_msg->pvnr_newnode, VDIR, 0, &vp);
222 puffs_abortbutton(pmp, PUFFS_ABORT_LOOKUP, VPTOPNC(dvp),
223 lookupdotdot_msg->pvnr_newnode, NULL, cred);
227 puffs_abortbutton(pmp, PUFFS_ABORT_LOOKUP, VPTOPNC(dvp),
228 lookupdotdot_msg->pvnr_newnode, NULL, cred);
236 DPRINTF(("puffs_lookupdotdot: returning %d %p\n", error, *ap->a_vpp));
237 PUFFS_MSG_RELEASE(lookupdotdot);
242 puffs_vnop_create(struct vop_ncreate_args *ap)
244 PUFFS_MSG_VARS(vn, create);
245 struct vnode *dvp = ap->a_dvp;
246 struct vattr *vap = ap->a_vap;
247 struct puffs_node *dpn = VPTOPP(dvp);
248 struct nchandle *nch = ap->a_nch;
249 struct namecache *ncp = nch->ncp;
250 struct ucred *cred = ap->a_cred;
251 struct mount *mp = dvp->v_mount;
252 struct puffs_mount *pmp = MPTOPUFFSMP(mp);
255 if (!EXISTSOP(pmp, CREATE))
258 DPRINTF(("puffs_create: dvp %p, name: %s\n",
261 if (vap->va_type != VREG && vap->va_type != VSOCK)
264 if ((error = vget(dvp, LK_EXCLUSIVE)) != 0) {
265 DPRINTF(("puffs_vnop_create: EAGAIN on ncp %p %s\n",
270 PUFFS_MSG_ALLOC(vn, create);
271 puffs_makecn(&create_msg->pvnr_cn, &create_msg->pvnr_cn_cred,
273 create_msg->pvnr_va = *ap->a_vap;
274 puffs_msg_setinfo(park_create, PUFFSOP_VN,
275 PUFFS_VN_CREATE, VPTOPNC(dvp));
276 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_create, dvp->v_data, NULL, error);
278 error = checkerr(pmp, error, __func__);
282 error = puffs_newnode(mp, dvp, ap->a_vpp,
283 create_msg->pvnr_newnode, vap->va_type);
285 puffs_abortbutton(pmp, PUFFS_ABORT_CREATE, dpn->pn_cookie,
286 create_msg->pvnr_newnode, ncp, cred);
289 DPRINTF(("puffs_create: return %d\n", error));
292 cache_setunresolved(nch);
293 cache_setvp(nch, *ap->a_vpp);
295 PUFFS_MSG_RELEASE(create);
300 puffs_vnop_mknod(struct vop_nmknod_args *ap)
302 PUFFS_MSG_VARS(vn, mknod);
303 struct vnode *dvp = ap->a_dvp;
304 struct vattr *vap = ap->a_vap;
305 struct puffs_node *dpn = VPTOPP(dvp);
306 struct nchandle *nch = ap->a_nch;
307 struct namecache *ncp = nch->ncp;
308 struct ucred *cred = ap->a_cred;
309 struct mount *mp = dvp->v_mount;
310 struct puffs_mount *pmp = MPTOPUFFSMP(mp);
313 if (!EXISTSOP(pmp, MKNOD))
316 DPRINTF(("puffs_mknod: dvp %p, name: %s\n",
319 if (vap->va_type != VFIFO)
322 if ((error = vget(dvp, LK_EXCLUSIVE)) != 0) {
323 DPRINTF(("puffs_vnop_mknod: EAGAIN on ncp %p %s\n",
328 PUFFS_MSG_ALLOC(vn, mknod);
329 puffs_makecn(&mknod_msg->pvnr_cn, &mknod_msg->pvnr_cn_cred,
331 mknod_msg->pvnr_va = *ap->a_vap;
332 puffs_msg_setinfo(park_mknod, PUFFSOP_VN,
333 PUFFS_VN_MKNOD, VPTOPNC(dvp));
335 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_mknod, dvp->v_data, NULL, error);
337 error = checkerr(pmp, error, __func__);
341 error = puffs_newnode(mp, dvp, ap->a_vpp,
342 mknod_msg->pvnr_newnode, vap->va_type);
344 puffs_abortbutton(pmp, PUFFS_ABORT_MKNOD, dpn->pn_cookie,
345 mknod_msg->pvnr_newnode, ncp, cred);
350 cache_setunresolved(nch);
351 cache_setvp(nch, *ap->a_vpp);
353 PUFFS_MSG_RELEASE(mknod);
358 puffs_vnop_open(struct vop_open_args *ap)
360 PUFFS_MSG_VARS(vn, open);
361 struct vnode *vp = ap->a_vp;
362 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
363 int mode = ap->a_mode;
366 DPRINTF(("puffs_open: vp %p, mode 0x%x\n", vp, mode));
368 if (vp->v_type == VREG && mode & FWRITE && !EXISTSOP(pmp, WRITE))
371 if (!EXISTSOP(pmp, OPEN))
374 PUFFS_MSG_ALLOC(vn, open);
375 open_msg->pvnr_mode = mode;
376 puffs_credcvt(&open_msg->pvnr_cred, ap->a_cred);
377 puffs_msg_setinfo(park_open, PUFFSOP_VN,
378 PUFFS_VN_OPEN, VPTOPNC(vp));
380 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_open, vp->v_data, NULL, error);
381 error = checkerr(pmp, error, __func__);
384 DPRINTF(("puffs_open: returning %d\n", error));
385 PUFFS_MSG_RELEASE(open);
388 return vop_stdopen(ap);
392 puffs_vnop_close(struct vop_close_args *ap)
394 PUFFS_MSG_VARS(vn, close);
395 struct vnode *vp = ap->a_vp;
396 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
398 if (!EXISTSOP(pmp, CLOSE))
399 return vop_stdclose(ap);
401 PUFFS_MSG_ALLOC(vn, close);
402 puffs_msg_setfaf(park_close);
403 close_msg->pvnr_fflag = ap->a_fflag;
404 puffs_msg_setinfo(park_close, PUFFSOP_VN,
405 PUFFS_VN_CLOSE, VPTOPNC(vp));
407 puffs_msg_enqueue(pmp, park_close);
408 PUFFS_MSG_RELEASE(close);
409 return vop_stdclose(ap);
413 puffs_vnop_access(struct vop_access_args *ap)
415 PUFFS_MSG_VARS(vn, access);
416 struct vnode *vp = ap->a_vp;
417 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
418 int mode = ap->a_mode;
422 switch (vp->v_type) {
426 if ((vp->v_mount->mnt_flag & MNT_RDONLY)
427 || !EXISTSOP(pmp, WRITE))
435 if (!EXISTSOP(pmp, ACCESS))
438 PUFFS_MSG_ALLOC(vn, access);
439 access_msg->pvnr_mode = ap->a_mode;
440 puffs_credcvt(&access_msg->pvnr_cred, ap->a_cred);
441 puffs_msg_setinfo(park_access, PUFFSOP_VN,
442 PUFFS_VN_ACCESS, VPTOPNC(vp));
444 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_access, vp->v_data, NULL, error);
445 error = checkerr(pmp, error, __func__);
446 PUFFS_MSG_RELEASE(access);
452 puffs_vnop_getattr(struct vop_getattr_args *ap)
454 PUFFS_MSG_VARS(vn, getattr);
455 struct vnode *vp = ap->a_vp;
456 struct mount *mp = vp->v_mount;
457 struct puffs_mount *pmp = MPTOPUFFSMP(mp);
458 struct vattr *vap, *rvap;
459 struct puffs_node *pn = VPTOPP(vp);
462 if (vp->v_type == VBLK || vp->v_type == VCHR)
467 PUFFS_MSG_ALLOC(vn, getattr);
468 vattr_null(&getattr_msg->pvnr_va);
469 puffs_credcvt(&getattr_msg->pvnr_cred, curproc->p_ucred);
470 puffs_msg_setinfo(park_getattr, PUFFSOP_VN,
471 PUFFS_VN_GETATTR, VPTOPNC(vp));
473 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_getattr, vp->v_data, NULL, error);
474 error = checkerr(pmp, error, __func__);
478 rvap = &getattr_msg->pvnr_va;
480 (void) memcpy(vap, rvap, sizeof(struct vattr));
481 vap->va_fsid = mp->mnt_stat.f_fsid.val[0];
483 if (pn->pn_stat & PNODE_METACACHE_ATIME)
484 vap->va_atime = pn->pn_mc_atime;
485 if (pn->pn_stat & PNODE_METACACHE_CTIME)
486 vap->va_ctime = pn->pn_mc_ctime;
487 if (pn->pn_stat & PNODE_METACACHE_MTIME)
488 vap->va_mtime = pn->pn_mc_mtime;
489 if (pn->pn_stat & PNODE_METACACHE_SIZE) {
490 vap->va_size = pn->pn_mc_size;
492 if (rvap->va_size != VNOVAL
493 && vp->v_type != VBLK && vp->v_type != VCHR) {
494 pn->pn_serversize = rvap->va_size;
495 if (vp->v_type == VREG)
496 puffs_meta_setsize(vp, rvap->va_size, 0);
501 PUFFS_MSG_RELEASE(getattr);
505 #define SETATTR_CHSIZE 0x01
506 #define SETATTR_ASYNC 0x02
508 dosetattr(struct vnode *vp, struct vattr *vap, struct ucred *cred, int flags)
510 PUFFS_MSG_VARS(vn, setattr);
511 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
512 struct puffs_node *pn = VPTOPP(vp);
515 if ((vp->v_mount->mnt_flag & MNT_RDONLY) &&
516 (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL
517 || vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL
518 || vap->va_mode != (mode_t)VNOVAL))
521 if ((vp->v_mount->mnt_flag & MNT_RDONLY)
522 && vp->v_type == VREG && vap->va_size != VNOVAL)
526 * Flush metacache first. If we are called with some explicit
527 * parameters, treat them as information overriding metacache
530 if (pn->pn_stat & PNODE_METACACHE_MASK) {
531 if ((pn->pn_stat & PNODE_METACACHE_ATIME)
532 && vap->va_atime.tv_sec == VNOVAL)
533 vap->va_atime = pn->pn_mc_atime;
534 if ((pn->pn_stat & PNODE_METACACHE_CTIME)
535 && vap->va_ctime.tv_sec == VNOVAL)
536 vap->va_ctime = pn->pn_mc_ctime;
537 if ((pn->pn_stat & PNODE_METACACHE_MTIME)
538 && vap->va_mtime.tv_sec == VNOVAL)
539 vap->va_mtime = pn->pn_mc_mtime;
540 if ((pn->pn_stat & PNODE_METACACHE_SIZE)
541 && vap->va_size == VNOVAL)
542 vap->va_size = pn->pn_mc_size;
544 pn->pn_stat &= ~PNODE_METACACHE_MASK;
547 PUFFS_MSG_ALLOC(vn, setattr);
548 (void)memcpy(&setattr_msg->pvnr_va, vap, sizeof(struct vattr));
549 puffs_credcvt(&setattr_msg->pvnr_cred, cred);
550 puffs_msg_setinfo(park_setattr, PUFFSOP_VN,
551 PUFFS_VN_SETATTR, VPTOPNC(vp));
552 if (flags & SETATTR_ASYNC)
553 puffs_msg_setfaf(park_setattr);
555 puffs_msg_enqueue(pmp, park_setattr);
556 if ((flags & SETATTR_ASYNC) == 0)
557 error = puffs_msg_wait2(pmp, park_setattr, vp->v_data, NULL);
558 PUFFS_MSG_RELEASE(setattr);
559 if ((flags & SETATTR_ASYNC) == 0) {
560 error = checkerr(pmp, error, __func__);
567 if (vap->va_size != VNOVAL) {
568 pn->pn_serversize = vap->va_size;
569 if (flags & SETATTR_CHSIZE)
570 puffs_meta_setsize(vp, vap->va_size, 0);
577 puffs_vnop_setattr(struct vop_setattr_args *ap)
579 return dosetattr(ap->a_vp, ap->a_vap, ap->a_cred, SETATTR_CHSIZE);
583 doinact(struct puffs_mount *pmp, int iaflag)
586 if (EXISTSOP(pmp, INACTIVE))
587 if (pmp->pmp_flags & PUFFS_KFLAG_IAONDEMAND)
588 if (iaflag || ALLOPS(pmp))
599 callinactive(struct puffs_mount *pmp, puffs_cookie_t ck, int iaflag)
602 PUFFS_MSG_VARS(vn, inactive);
604 if (doinact(pmp, iaflag)) {
605 PUFFS_MSG_ALLOC(vn, inactive);
606 puffs_msg_setinfo(park_inactive, PUFFSOP_VN,
607 PUFFS_VN_INACTIVE, ck);
609 PUFFS_MSG_ENQUEUEWAIT(pmp, park_inactive, error);
610 PUFFS_MSG_RELEASE(inactive);
614 /* XXX: callinactive can't setback */
616 puffs_vnop_inactive(struct vop_inactive_args *ap)
618 PUFFS_MSG_VARS(vn, inactive);
619 struct vnode *vp = ap->a_vp;
620 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
621 struct puffs_node *pnode = VPTOPP(vp);
623 flushvncache(vp, MNT_NOWAIT);
625 if (doinact(pmp, pnode->pn_stat & PNODE_DOINACT)) {
627 * do not wait for reply from userspace, otherwise it may
631 PUFFS_MSG_ALLOC(vn, inactive);
632 puffs_msg_setfaf(park_inactive);
633 puffs_msg_setinfo(park_inactive, PUFFSOP_VN,
634 PUFFS_VN_INACTIVE, VPTOPNC(vp));
636 puffs_msg_enqueue(pmp, park_inactive);
637 PUFFS_MSG_RELEASE(inactive);
639 pnode->pn_stat &= ~PNODE_DOINACT;
642 * file server thinks it's gone? then don't be afraid care,
643 * node's life was already all it would ever be
645 if (pnode->pn_stat & PNODE_NOREFS) {
646 pnode->pn_stat |= PNODE_DYING;
654 callreclaim(struct puffs_mount *pmp, puffs_cookie_t ck)
656 PUFFS_MSG_VARS(vn, reclaim);
658 if (!EXISTSOP(pmp, RECLAIM))
661 PUFFS_MSG_ALLOC(vn, reclaim);
662 puffs_msg_setfaf(park_reclaim);
663 puffs_msg_setinfo(park_reclaim, PUFFSOP_VN, PUFFS_VN_RECLAIM, ck);
665 puffs_msg_enqueue(pmp, park_reclaim);
666 PUFFS_MSG_RELEASE(reclaim);
670 * always FAF, we don't really care if the server wants to fail to
671 * reclaim the node or not
674 puffs_vnop_reclaim(struct vop_reclaim_args *ap)
676 struct vnode *vp = ap->a_vp;
677 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
678 struct puffs_node *pnode = VPTOPP(vp);
679 boolean_t notifyserver = TRUE;
681 vinvalbuf(vp, V_SAVE, 0, 0);
684 * first things first: check if someone is trying to reclaim the
685 * root vnode. do not allow that to travel to userspace.
686 * Note that we don't need to take the lock similarly to
687 * puffs_root(), since there is only one of us.
689 if (vp->v_flag & VROOT) {
690 lockmgr(&pmp->pmp_lock, LK_EXCLUSIVE);
691 KKASSERT(pmp->pmp_root != NULL);
692 pmp->pmp_root = NULL;
693 lockmgr(&pmp->pmp_lock, LK_RELEASE);
694 notifyserver = FALSE;
698 * purge info from kernel before issueing FAF, since we
699 * don't really know when we'll get around to it after
700 * that and someone might race us into node creation
702 lockmgr(&pmp->pmp_lock, LK_EXCLUSIVE);
703 LIST_REMOVE(pnode, pn_hashent);
704 lockmgr(&pmp->pmp_lock, LK_RELEASE);
707 callreclaim(MPTOPUFFSMP(vp->v_mount), VPTOPNC(vp));
715 #define CSIZE sizeof(**ap->a_cookies)
717 puffs_vnop_readdir(struct vop_readdir_args *ap)
719 PUFFS_MSG_VARS(vn, readdir);
720 struct vnode *vp = ap->a_vp;
721 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
722 size_t argsize, tomove, cookiemem, cookiesmax;
723 struct uio *uio = ap->a_uio;
724 size_t howmuch, resid;
727 if (!EXISTSOP(pmp, READDIR))
731 * ok, so we need: resid + cookiemem = maxreq
732 * => resid + cookiesize * (resid/minsize) = maxreq
733 * => resid + cookiesize/minsize * resid = maxreq
734 * => (cookiesize/minsize + 1) * resid = maxreq
735 * => resid = maxreq / (cookiesize/minsize + 1)
737 * Since cookiesize <= minsize and we're not very big on floats,
738 * we approximate that to be 1. Therefore:
740 * resid = maxreq / 2;
742 * Well, at least we didn't have to use differential equations
743 * or the Gram-Schmidt process.
745 * (yes, I'm very afraid of this)
747 KKASSERT(CSIZE <= _DIRENT_RECLEN(1));
750 KKASSERT(ap->a_ncookies != NULL);
751 if (pmp->pmp_args.pa_fhsize == 0)
753 resid = PUFFS_TOMOVE(uio->uio_resid, pmp) / 2;
754 cookiesmax = resid/_DIRENT_RECLEN(1);
755 cookiemem = ALIGN(cookiesmax*CSIZE); /* play safe */
757 resid = PUFFS_TOMOVE(uio->uio_resid, pmp);
762 argsize = sizeof(struct puffs_vnmsg_readdir);
763 tomove = resid + cookiemem;
764 puffs_msgmem_alloc(argsize + tomove, &park_readdir,
765 (void *)&readdir_msg, 1);
767 puffs_credcvt(&readdir_msg->pvnr_cred, ap->a_cred);
768 readdir_msg->pvnr_offset = uio->uio_offset;
769 readdir_msg->pvnr_resid = resid;
770 readdir_msg->pvnr_ncookies = cookiesmax;
771 readdir_msg->pvnr_eofflag = 0;
772 readdir_msg->pvnr_dentoff = cookiemem;
773 puffs_msg_setinfo(park_readdir, PUFFSOP_VN,
774 PUFFS_VN_READDIR, VPTOPNC(vp));
775 puffs_msg_setdelta(park_readdir, tomove);
777 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_readdir, vp->v_data, NULL, error);
778 error = checkerr(pmp, error, __func__);
782 /* userspace is cheating? */
783 if (readdir_msg->pvnr_resid > resid) {
784 puffs_senderr(pmp, PUFFS_ERR_READDIR, E2BIG,
785 "resid grew", VPTOPNC(vp));
788 if (readdir_msg->pvnr_ncookies > cookiesmax) {
789 puffs_senderr(pmp, PUFFS_ERR_READDIR, E2BIG,
790 "too many cookies", VPTOPNC(vp));
795 if (readdir_msg->pvnr_eofflag)
798 /* bouncy-wouncy with the directory data */
799 howmuch = resid - readdir_msg->pvnr_resid;
801 /* force eof if no data was returned (getcwd() needs this) */
807 error = uiomove(readdir_msg->pvnr_data + cookiemem, howmuch, uio);
811 /* provide cookies to caller if so desired */
813 *ap->a_cookies = kmalloc(readdir_msg->pvnr_ncookies*CSIZE,
815 *ap->a_ncookies = readdir_msg->pvnr_ncookies;
816 memcpy(*ap->a_cookies, readdir_msg->pvnr_data,
817 *ap->a_ncookies*CSIZE);
820 /* next readdir starts here */
821 uio->uio_offset = readdir_msg->pvnr_offset;
824 puffs_msgmem_release(park_readdir);
830 flushvncache(struct vnode *vp, int waitfor)
832 struct puffs_node *pn = VPTOPP(vp);
836 /* flush out information from our metacache, see vop_setattr */
837 if (pn->pn_stat & PNODE_METACACHE_MASK
838 && (pn->pn_stat & PNODE_DYING) == 0) {
840 error = dosetattr(vp, &va, FSCRED, SETATTR_CHSIZE |
841 (waitfor == MNT_NOWAIT ? 0 : SETATTR_ASYNC));
847 * flush pages to avoid being overly dirty
849 vfsync(vp, waitfor, 0, NULL, NULL);
855 puffs_vnop_fsync(struct vop_fsync_args *ap)
857 PUFFS_MSG_VARS(vn, fsync);
858 struct vnode *vp = ap->a_vp;
859 int waitfor = ap->a_waitfor;
860 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
861 struct puffs_node *pn = VPTOPP(vp);
864 error = flushvncache(vp, waitfor);
869 * HELLO! We exit already here if the user server does not
870 * support fsync OR if we should call fsync for a node which
871 * has references neither in the kernel or the fs server.
872 * Otherwise we continue to issue fsync() forward.
874 if (!EXISTSOP(pmp, FSYNC) || (pn->pn_stat & PNODE_DYING))
877 dofaf = (waitfor & MNT_WAIT) == 0 || (waitfor & MNT_LAZY) != 0;
879 PUFFS_MSG_ALLOC(vn, fsync);
881 puffs_msg_setfaf(park_fsync);
883 fsync_msg->pvnr_flags = ap->a_flags;
884 puffs_msg_setinfo(park_fsync, PUFFSOP_VN,
885 PUFFS_VN_FSYNC, VPTOPNC(vp));
887 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_fsync, vp->v_data, NULL, error);
888 PUFFS_MSG_RELEASE(fsync);
890 error = checkerr(pmp, error, __func__);
896 callremove(struct puffs_mount *pmp, puffs_cookie_t dck, puffs_cookie_t ck,
897 struct namecache *ncp, struct ucred *cred)
899 PUFFS_MSG_VARS(vn, remove);
902 PUFFS_MSG_ALLOC(vn, remove);
903 remove_msg->pvnr_cookie_targ = ck;
904 puffs_makecn(&remove_msg->pvnr_cn, &remove_msg->pvnr_cn_cred,
906 puffs_msg_setinfo(park_remove, PUFFSOP_VN, PUFFS_VN_REMOVE, dck);
908 PUFFS_MSG_ENQUEUEWAIT(pmp, park_remove, error);
909 PUFFS_MSG_RELEASE(remove);
911 return checkerr(pmp, error, __func__);
915 * XXX: can't use callremove now because can't catch setbacks with
916 * it due to lack of a pnode argument.
919 puffs_vnop_remove(struct vop_nremove_args *ap)
921 PUFFS_MSG_VARS(vn, remove);
922 struct vnode *dvp = ap->a_dvp;
924 struct puffs_node *dpn = VPTOPP(dvp);
925 struct puffs_node *pn;
926 struct nchandle *nch = ap->a_nch;
927 struct namecache *ncp = nch->ncp;
928 struct ucred *cred = ap->a_cred;
929 struct mount *mp = dvp->v_mount;
930 struct puffs_mount *pmp = MPTOPUFFSMP(mp);
933 if (!EXISTSOP(pmp, REMOVE))
936 error = vget(dvp, LK_EXCLUSIVE);
938 DPRINTF(("puffs_vnop_remove: EAGAIN on parent vnode %p %s\n",
943 error = cache_vget(nch, cred, LK_EXCLUSIVE, &vp);
945 DPRINTF(("puffs_vnop_remove: cache_vget error: %p %s\n",
949 if (vp->v_type == VDIR) {
955 PUFFS_MSG_ALLOC(vn, remove);
956 remove_msg->pvnr_cookie_targ = VPTOPNC(vp);
957 puffs_makecn(&remove_msg->pvnr_cn, &remove_msg->pvnr_cn_cred,
959 puffs_msg_setinfo(park_remove, PUFFSOP_VN,
960 PUFFS_VN_REMOVE, VPTOPNC(dvp));
962 puffs_msg_enqueue(pmp, park_remove);
963 error = puffs_msg_wait2(pmp, park_remove, dpn, pn);
965 PUFFS_MSG_RELEASE(remove);
967 error = checkerr(pmp, error, __func__);
973 cache_setunresolved(nch);
974 cache_setvp(nch, NULL);
981 puffs_vnop_mkdir(struct vop_nmkdir_args *ap)
983 PUFFS_MSG_VARS(vn, mkdir);
984 struct vnode *dvp = ap->a_dvp;
985 struct puffs_node *dpn = VPTOPP(dvp);
986 struct nchandle *nch = ap->a_nch;
987 struct namecache *ncp = nch->ncp;
988 struct ucred *cred = ap->a_cred;
989 struct mount *mp = dvp->v_mount;
990 struct puffs_mount *pmp = MPTOPUFFSMP(mp);
993 if (!EXISTSOP(pmp, MKDIR))
996 if ((error = vget(dvp, LK_EXCLUSIVE)) != 0) {
997 DPRINTF(("puffs_vnop_mkdir: EAGAIN on ncp %p %s\n",
1002 PUFFS_MSG_ALLOC(vn, mkdir);
1003 puffs_makecn(&mkdir_msg->pvnr_cn, &mkdir_msg->pvnr_cn_cred,
1005 mkdir_msg->pvnr_va = *ap->a_vap;
1006 puffs_msg_setinfo(park_mkdir, PUFFSOP_VN,
1007 PUFFS_VN_MKDIR, VPTOPNC(dvp));
1009 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_mkdir, dvp->v_data, NULL, error);
1011 error = checkerr(pmp, error, __func__);
1015 error = puffs_newnode(mp, dvp, ap->a_vpp,
1016 mkdir_msg->pvnr_newnode, VDIR);
1018 puffs_abortbutton(pmp, PUFFS_ABORT_MKDIR, dpn->pn_cookie,
1019 mkdir_msg->pvnr_newnode, ncp, cred);
1024 cache_setunresolved(nch);
1025 cache_setvp(nch, *ap->a_vpp);
1027 PUFFS_MSG_RELEASE(mkdir);
1032 callrmdir(struct puffs_mount *pmp, puffs_cookie_t dck, puffs_cookie_t ck,
1033 struct namecache *ncp, struct ucred *cred)
1035 PUFFS_MSG_VARS(vn, rmdir);
1038 PUFFS_MSG_ALLOC(vn, rmdir);
1039 rmdir_msg->pvnr_cookie_targ = ck;
1040 puffs_makecn(&rmdir_msg->pvnr_cn, &rmdir_msg->pvnr_cn_cred,
1042 puffs_msg_setinfo(park_rmdir, PUFFSOP_VN, PUFFS_VN_RMDIR, dck);
1044 PUFFS_MSG_ENQUEUEWAIT(pmp, park_rmdir, error);
1045 PUFFS_MSG_RELEASE(rmdir);
1047 return checkerr(pmp, error, __func__);
1051 puffs_vnop_rmdir(struct vop_nrmdir_args *ap)
1053 PUFFS_MSG_VARS(vn, rmdir);
1054 struct vnode *dvp = ap->a_dvp;
1056 struct puffs_node *dpn = VPTOPP(dvp);
1057 struct puffs_node *pn;
1058 struct puffs_mount *pmp = MPTOPUFFSMP(dvp->v_mount);
1059 struct nchandle *nch = ap->a_nch;
1060 struct namecache *ncp = nch->ncp;
1061 struct ucred *cred = ap->a_cred;
1064 if (!EXISTSOP(pmp, RMDIR))
1067 error = vget(dvp, LK_EXCLUSIVE);
1069 DPRINTF(("puffs_vnop_rmdir: EAGAIN on parent vnode %p %s\n",
1070 dvp, ncp->nc_name));
1073 error = cache_vget(nch, cred, LK_EXCLUSIVE, &vp);
1075 DPRINTF(("puffs_vnop_rmdir: cache_vget error: %p %s\n",
1076 dvp, ncp->nc_name));
1079 if (vp->v_type != VDIR) {
1085 PUFFS_MSG_ALLOC(vn, rmdir);
1086 rmdir_msg->pvnr_cookie_targ = VPTOPNC(vp);
1087 puffs_makecn(&rmdir_msg->pvnr_cn, &rmdir_msg->pvnr_cn_cred,
1089 puffs_msg_setinfo(park_rmdir, PUFFSOP_VN,
1090 PUFFS_VN_RMDIR, VPTOPNC(dvp));
1092 puffs_msg_enqueue(pmp, park_rmdir);
1093 error = puffs_msg_wait2(pmp, park_rmdir, dpn, pn);
1095 PUFFS_MSG_RELEASE(rmdir);
1097 error = checkerr(pmp, error, __func__);
1103 cache_setunresolved(nch);
1104 cache_setvp(nch, NULL);
1111 puffs_vnop_link(struct vop_nlink_args *ap)
1113 PUFFS_MSG_VARS(vn, link);
1114 struct vnode *dvp = ap->a_dvp;
1115 struct vnode *vp = ap->a_vp;
1116 struct puffs_node *dpn = VPTOPP(dvp);
1117 struct puffs_node *pn = VPTOPP(vp);
1118 struct puffs_mount *pmp = MPTOPUFFSMP(dvp->v_mount);
1119 struct nchandle *nch = ap->a_nch;
1120 struct namecache *ncp = nch->ncp;
1121 struct ucred *cred = ap->a_cred;
1124 if (!EXISTSOP(pmp, LINK))
1127 if (vp->v_mount != dvp->v_mount)
1130 if ((error = vget(dvp, LK_EXCLUSIVE)) != 0) {
1131 DPRINTF(("puffs_vnop_link: EAGAIN on ncp %p %s\n",
1132 ncp, ncp->nc_name));
1136 PUFFS_MSG_ALLOC(vn, link);
1137 link_msg->pvnr_cookie_targ = VPTOPNC(vp);
1138 puffs_makecn(&link_msg->pvnr_cn, &link_msg->pvnr_cn_cred,
1140 puffs_msg_setinfo(park_link, PUFFSOP_VN,
1141 PUFFS_VN_LINK, VPTOPNC(dvp));
1143 puffs_msg_enqueue(pmp, park_link);
1144 error = puffs_msg_wait2(pmp, park_link, dpn, pn);
1146 PUFFS_MSG_RELEASE(link);
1148 error = checkerr(pmp, error, __func__);
1151 * XXX: stay in touch with the cache. I don't like this, but
1152 * don't have a better solution either. See also puffs_rename().
1155 puffs_updatenode(pn, PUFFS_UPDATECTIME);
1160 cache_setunresolved(nch);
1161 cache_setvp(nch, vp);
1167 puffs_vnop_symlink(struct vop_nsymlink_args *ap)
1169 PUFFS_MSG_VARS(vn, symlink);
1170 struct vnode *dvp = ap->a_dvp;
1171 struct puffs_node *dpn = VPTOPP(dvp);
1172 struct mount *mp = dvp->v_mount;
1173 struct puffs_mount *pmp = MPTOPUFFSMP(dvp->v_mount);
1174 struct nchandle *nch = ap->a_nch;
1175 struct namecache *ncp = nch->ncp;
1176 struct ucred *cred = ap->a_cred;
1179 if (!EXISTSOP(pmp, SYMLINK))
1182 if ((error = vget(dvp, LK_EXCLUSIVE)) != 0) {
1183 DPRINTF(("puffs_vnop_symlink: EAGAIN on ncp %p %s\n",
1184 ncp, ncp->nc_name));
1190 PUFFS_MSG_ALLOC(vn, symlink);
1191 puffs_makecn(&symlink_msg->pvnr_cn, &symlink_msg->pvnr_cn_cred,
1193 symlink_msg->pvnr_va = *ap->a_vap;
1194 (void)strlcpy(symlink_msg->pvnr_link, ap->a_target,
1195 sizeof(symlink_msg->pvnr_link));
1196 puffs_msg_setinfo(park_symlink, PUFFSOP_VN,
1197 PUFFS_VN_SYMLINK, VPTOPNC(dvp));
1199 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_symlink, dvp->v_data, NULL, error);
1201 error = checkerr(pmp, error, __func__);
1205 error = puffs_newnode(mp, dvp, ap->a_vpp,
1206 symlink_msg->pvnr_newnode, VLNK);
1208 puffs_abortbutton(pmp, PUFFS_ABORT_SYMLINK, dpn->pn_cookie,
1209 symlink_msg->pvnr_newnode, ncp, cred);
1213 PUFFS_MSG_RELEASE(symlink);
1215 cache_setunresolved(nch);
1216 cache_setvp(nch, *ap->a_vpp);
1222 puffs_vnop_readlink(struct vop_readlink_args *ap)
1224 PUFFS_MSG_VARS(vn, readlink);
1225 struct vnode *vp = ap->a_vp;
1226 struct puffs_mount *pmp = MPTOPUFFSMP(ap->a_vp->v_mount);
1230 if (!EXISTSOP(pmp, READLINK))
1233 PUFFS_MSG_ALLOC(vn, readlink);
1234 puffs_credcvt(&readlink_msg->pvnr_cred, ap->a_cred);
1235 linklen = sizeof(readlink_msg->pvnr_link);
1236 readlink_msg->pvnr_linklen = linklen;
1237 puffs_msg_setinfo(park_readlink, PUFFSOP_VN,
1238 PUFFS_VN_READLINK, VPTOPNC(vp));
1240 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_readlink, vp->v_data, NULL, error);
1241 error = checkerr(pmp, error, __func__);
1245 /* bad bad user file server */
1246 if (readlink_msg->pvnr_linklen > linklen) {
1247 puffs_senderr(pmp, PUFFS_ERR_READLINK, E2BIG,
1248 "linklen too big", VPTOPNC(ap->a_vp));
1253 error = uiomove(readlink_msg->pvnr_link, readlink_msg->pvnr_linklen,
1256 PUFFS_MSG_RELEASE(readlink);
1261 puffs_vnop_rename(struct vop_nrename_args *ap)
1263 PUFFS_MSG_VARS(vn, rename);
1264 struct nchandle *fnch = ap->a_fnch;
1265 struct nchandle *tnch = ap->a_tnch;
1266 struct vnode *fdvp = ap->a_fdvp;
1267 struct vnode *fvp = fnch->ncp->nc_vp;
1268 struct vnode *tdvp = ap->a_tdvp;
1269 struct vnode *tvp = tnch->ncp->nc_vp;
1270 struct ucred *cred = ap->a_cred;
1271 struct puffs_mount *pmp = MPTOPUFFSMP(fdvp->v_mount);
1274 if (!EXISTSOP(pmp, RENAME))
1277 error = vget(tdvp, LK_EXCLUSIVE);
1279 DPRINTF(("puffs_vnop_rename: EAGAIN on tdvp vnode %p %s\n",
1280 tdvp, tnch->ncp->nc_name));
1284 error = vget(tvp, LK_EXCLUSIVE);
1286 DPRINTF(("puffs_vnop_rename: EAGAIN on tvp vnode %p %s\n",
1287 tvp, tnch->ncp->nc_name));
1293 if ((fvp->v_mount != tdvp->v_mount) ||
1294 (tvp && (fvp->v_mount != tvp->v_mount))) {
1300 if (fvp->v_type == VDIR && tvp->v_type != VDIR) {
1303 } else if (fvp->v_type != VDIR && tvp->v_type == VDIR) {
1309 PUFFS_MSG_ALLOC(vn, rename);
1310 rename_msg->pvnr_cookie_src = VPTOPNC(fvp);
1311 rename_msg->pvnr_cookie_targdir = VPTOPNC(tdvp);
1313 rename_msg->pvnr_cookie_targ = VPTOPNC(tvp);
1315 rename_msg->pvnr_cookie_targ = NULL;
1316 puffs_makecn(&rename_msg->pvnr_cn_src, &rename_msg->pvnr_cn_src_cred,
1318 puffs_makecn(&rename_msg->pvnr_cn_targ, &rename_msg->pvnr_cn_targ_cred,
1320 puffs_msg_setinfo(park_rename, PUFFSOP_VN,
1321 PUFFS_VN_RENAME, VPTOPNC(fdvp));
1323 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_rename, fdvp->v_data, NULL, error);
1324 PUFFS_MSG_RELEASE(rename);
1325 error = checkerr(pmp, error, __func__);
1328 puffs_updatenode(VPTOPP(fvp), PUFFS_UPDATECTIME);
1336 cache_rename(fnch, tnch);
1345 puffs_vnop_read(struct vop_read_args *ap)
1347 struct vnode *vp = ap->a_vp;
1348 struct uio *uio = ap->a_uio;
1349 int ioflag = ap->a_ioflag;
1350 struct ucred * cred = ap->a_cred;
1351 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1354 if (!EXISTSOP(pmp, READ))
1357 if (vp->v_type == VDIR)
1359 else if (vp->v_type != VREG)
1362 if (PUFFS_USE_PAGECACHE(pmp))
1363 error = puffs_bioread(vp, uio, ioflag, cred);
1365 error = puffs_directread(vp, uio, ioflag, cred);
1371 puffs_vnop_write(struct vop_write_args *ap)
1373 struct vnode *vp = ap->a_vp;
1374 struct uio *uio = ap->a_uio;
1375 int ioflag = ap->a_ioflag;
1376 struct ucred * cred = ap->a_cred;
1377 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1380 if (!EXISTSOP(pmp, WRITE))
1383 if (vp->v_type == VDIR)
1385 else if (vp->v_type != VREG)
1388 if (PUFFS_USE_PAGECACHE(pmp))
1389 error = puffs_biowrite(vp, uio, ioflag, cred);
1391 error = puffs_directwrite(vp, uio, ioflag, cred);
1397 puffs_vnop_print(struct vop_print_args *ap)
1399 PUFFS_MSG_VARS(vn, print);
1400 struct vnode *vp = ap->a_vp;
1401 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1402 struct puffs_node *pn = VPTOPP(vp);
1405 /* kernel portion */
1406 kprintf("tag VT_PUFFS, vnode %p, puffs node: %p,\n"
1407 "\tuserspace cookie: %p", vp, pn, pn->pn_cookie);
1408 if (vp->v_type == VFIFO)
1412 /* userspace portion */
1413 if (EXISTSOP(pmp, PRINT)) {
1414 PUFFS_MSG_ALLOC(vn, print);
1415 puffs_msg_setinfo(park_print, PUFFSOP_VN,
1416 PUFFS_VN_PRINT, VPTOPNC(vp));
1417 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_print, vp->v_data,
1419 PUFFS_MSG_RELEASE(print);
1426 puffs_vnop_pathconf(struct vop_pathconf_args *ap)
1428 PUFFS_MSG_VARS(vn, pathconf);
1429 struct vnode *vp = ap->a_vp;
1430 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1433 if (!EXISTSOP(pmp, PATHCONF))
1436 PUFFS_MSG_ALLOC(vn, pathconf);
1437 pathconf_msg->pvnr_name = ap->a_name;
1438 puffs_msg_setinfo(park_pathconf, PUFFSOP_VN,
1439 PUFFS_VN_PATHCONF, VPTOPNC(vp));
1440 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_pathconf, vp->v_data, NULL, error);
1441 error = checkerr(pmp, error, __func__);
1443 *ap->a_retval = pathconf_msg->pvnr_retval;
1444 PUFFS_MSG_RELEASE(pathconf);
1450 puffs_vnop_advlock(struct vop_advlock_args *ap)
1452 PUFFS_MSG_VARS(vn, advlock);
1453 struct vnode *vp = ap->a_vp;
1454 struct puffs_node *pn = VPTOPP(vp);
1455 struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1458 if (!EXISTSOP(pmp, ADVLOCK))
1459 return lf_advlock(ap, &pn->pn_lockf, vp->v_filesize);
1461 PUFFS_MSG_ALLOC(vn, advlock);
1462 (void)memcpy(&advlock_msg->pvnr_fl, ap->a_fl,
1463 sizeof(advlock_msg->pvnr_fl));
1464 advlock_msg->pvnr_id = ap->a_id;
1465 advlock_msg->pvnr_op = ap->a_op;
1466 advlock_msg->pvnr_flags = ap->a_flags;
1467 puffs_msg_setinfo(park_advlock, PUFFSOP_VN,
1468 PUFFS_VN_ADVLOCK, VPTOPNC(vp));
1469 PUFFS_MSG_ENQUEUEWAIT2(pmp, park_advlock, vp->v_data, NULL, error);
1470 error = checkerr(pmp, error, __func__);
1471 PUFFS_MSG_RELEASE(advlock);
1477 puffs_vnop_bmap(struct vop_bmap_args *ap)
1479 if (ap->a_doffsetp != NULL)
1480 *ap->a_doffsetp = ap->a_loffset;
1481 if (ap->a_runp != NULL)
1483 if (ap->a_runb != NULL)
1489 puffs_vnop_mmap(struct vop_mmap_args *ap)
1496 puffs_vnop_strategy(struct vop_strategy_args *ap)
1498 return puffs_doio(ap->a_vp, ap->a_bio, curthread);
1501 struct vop_ops puffs_fifo_vops = {
1502 .vop_default = fifo_vnoperate,
1503 .vop_access = puffs_vnop_access,
1504 .vop_getattr = puffs_vnop_getattr,
1505 .vop_setattr = puffs_vnop_setattr,
1506 .vop_inactive = puffs_vnop_inactive,
1507 .vop_reclaim = puffs_vnop_reclaim,
1508 .vop_print = puffs_vnop_print,
1511 struct vop_ops puffs_vnode_vops = {
1512 .vop_default = vop_defaultop,
1513 .vop_nresolve = puffs_vnop_lookup,
1514 .vop_nlookupdotdot = puffs_vnop_lookupdotdot,
1515 .vop_ncreate = puffs_vnop_create,
1516 .vop_nmkdir = puffs_vnop_mkdir,
1517 .vop_nrmdir = puffs_vnop_rmdir,
1518 .vop_nremove = puffs_vnop_remove,
1519 .vop_nrename = puffs_vnop_rename,
1520 .vop_nlink = puffs_vnop_link,
1521 .vop_nsymlink = puffs_vnop_symlink,
1522 .vop_nmknod = puffs_vnop_mknod,
1523 .vop_access = puffs_vnop_access,
1524 .vop_getattr = puffs_vnop_getattr,
1525 .vop_setattr = puffs_vnop_setattr,
1526 .vop_readdir = puffs_vnop_readdir,
1527 .vop_open = puffs_vnop_open,
1528 .vop_close = puffs_vnop_close,
1529 .vop_read = puffs_vnop_read,
1530 .vop_write = puffs_vnop_write,
1531 .vop_readlink = puffs_vnop_readlink,
1532 .vop_advlock = puffs_vnop_advlock,
1533 .vop_bmap = puffs_vnop_bmap,
1534 .vop_mmap = puffs_vnop_mmap,
1535 .vop_strategy = puffs_vnop_strategy,
1536 .vop_getpages = vop_stdgetpages,
1537 .vop_putpages = vop_stdputpages,
1538 .vop_fsync = puffs_vnop_fsync,
1539 .vop_inactive = puffs_vnop_inactive,
1540 .vop_reclaim = puffs_vnop_reclaim,
1541 .vop_pathconf = puffs_vnop_pathconf,
1542 .vop_print = puffs_vnop_print,