2 * Copyright (c) 1999, 2000 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $FreeBSD: src/sys/nwfs/nwfs_vnops.c,v 1.6.2.3 2001/03/14 11:26:59 bp Exp $
33 * $DragonFly: src/sys/vfs/nwfs/nwfs_vnops.c,v 1.29 2006/05/06 02:43:14 dillon Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
40 #include <sys/namei.h>
41 #include <sys/fcntl.h>
42 #include <sys/mount.h>
43 #include <sys/unistd.h>
44 #include <sys/vnode.h>
47 #include <vm/vm_extern.h>
48 #include <vm/vm_zone.h>
50 #include <netproto/ncp/ncp.h>
51 #include <netproto/ncp/ncp_conn.h>
52 #include <netproto/ncp/ncp_subr.h>
53 #include <netproto/ncp/nwerror.h>
54 #include <netproto/ncp/ncp_nls.h>
57 #include "nwfs_node.h"
58 #include "nwfs_subr.h"
61 * Prototypes for NWFS vnode operations
63 static int nwfs_create(struct vop_old_create_args *);
64 static int nwfs_mknod(struct vop_old_mknod_args *);
65 static int nwfs_open(struct vop_open_args *);
66 static int nwfs_close(struct vop_close_args *);
67 static int nwfs_access(struct vop_access_args *);
68 static int nwfs_getattr(struct vop_getattr_args *);
69 static int nwfs_setattr(struct vop_setattr_args *);
70 static int nwfs_read(struct vop_read_args *);
71 static int nwfs_write(struct vop_write_args *);
72 static int nwfs_fsync(struct vop_fsync_args *);
73 static int nwfs_remove(struct vop_old_remove_args *);
74 static int nwfs_link(struct vop_old_link_args *);
75 static int nwfs_lookup(struct vop_old_lookup_args *);
76 static int nwfs_rename(struct vop_old_rename_args *);
77 static int nwfs_mkdir(struct vop_old_mkdir_args *);
78 static int nwfs_rmdir(struct vop_old_rmdir_args *);
79 static int nwfs_symlink(struct vop_old_symlink_args *);
80 static int nwfs_readdir(struct vop_readdir_args *);
81 static int nwfs_bmap(struct vop_bmap_args *);
82 static int nwfs_strategy(struct vop_strategy_args *);
83 static int nwfs_print(struct vop_print_args *);
84 static int nwfs_pathconf(struct vop_pathconf_args *ap);
86 /* Global vfs data structures for nwfs */
87 struct vnodeopv_entry_desc nwfs_vnodeop_entries[] = {
88 { &vop_default_desc, vop_defaultop },
89 { &vop_access_desc, (vnodeopv_entry_t) nwfs_access },
90 { &vop_bmap_desc, (vnodeopv_entry_t) nwfs_bmap },
91 { &vop_open_desc, (vnodeopv_entry_t) nwfs_open },
92 { &vop_close_desc, (vnodeopv_entry_t) nwfs_close },
93 { &vop_old_create_desc, (vnodeopv_entry_t) nwfs_create },
94 { &vop_fsync_desc, (vnodeopv_entry_t) nwfs_fsync },
95 { &vop_getattr_desc, (vnodeopv_entry_t) nwfs_getattr },
96 { &vop_getpages_desc, (vnodeopv_entry_t) nwfs_getpages },
97 { &vop_putpages_desc, (vnodeopv_entry_t) nwfs_putpages },
98 { &vop_ioctl_desc, (vnodeopv_entry_t) nwfs_ioctl },
99 { &vop_inactive_desc, (vnodeopv_entry_t) nwfs_inactive },
100 { &vop_islocked_desc, (vnodeopv_entry_t) vop_stdislocked },
101 { &vop_old_link_desc, (vnodeopv_entry_t) nwfs_link },
102 { &vop_lock_desc, (vnodeopv_entry_t) vop_stdlock },
103 { &vop_old_lookup_desc, (vnodeopv_entry_t) nwfs_lookup },
104 { &vop_old_mkdir_desc, (vnodeopv_entry_t) nwfs_mkdir },
105 { &vop_old_mknod_desc, (vnodeopv_entry_t) nwfs_mknod },
106 { &vop_pathconf_desc, (vnodeopv_entry_t) nwfs_pathconf },
107 { &vop_print_desc, (vnodeopv_entry_t) nwfs_print },
108 { &vop_read_desc, (vnodeopv_entry_t) nwfs_read },
109 { &vop_readdir_desc, (vnodeopv_entry_t) nwfs_readdir },
110 { &vop_reclaim_desc, (vnodeopv_entry_t) nwfs_reclaim },
111 { &vop_old_remove_desc, (vnodeopv_entry_t) nwfs_remove },
112 { &vop_old_rename_desc, (vnodeopv_entry_t) nwfs_rename },
113 { &vop_old_rmdir_desc, (vnodeopv_entry_t) nwfs_rmdir },
114 { &vop_setattr_desc, (vnodeopv_entry_t) nwfs_setattr },
115 { &vop_strategy_desc, (vnodeopv_entry_t) nwfs_strategy },
116 { &vop_old_symlink_desc, (vnodeopv_entry_t) nwfs_symlink },
117 { &vop_unlock_desc, (vnodeopv_entry_t) vop_stdunlock },
118 { &vop_write_desc, (vnodeopv_entry_t) nwfs_write },
123 * nwfs_access vnode op
124 * for now just return ok
126 * nwfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
127 * struct thread *a_td)
130 nwfs_access(struct vop_access_args *ap)
132 struct vnode *vp = ap->a_vp;
133 struct ucred *cred = ap->a_cred;
134 u_int mode = ap->a_mode;
135 struct nwmount *nmp = VTONWFS(vp);
139 if ((ap->a_mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
140 switch (vp->v_type) {
141 case VREG: case VDIR: case VLNK:
147 if (cred->cr_uid == 0)
149 if (cred->cr_uid != nmp->m.uid) {
151 if (!groupmember(nmp->m.gid, cred))
154 error = (((vp->v_type == VREG) ? nmp->m.file_mode : nmp->m.dir_mode) & mode) == mode ? 0 : EACCES;
160 * nwfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred)
164 nwfs_open(struct vop_open_args *ap)
166 thread_t td = curthread; /* XXX */
167 struct vnode *vp = ap->a_vp;
168 int mode = ap->a_mode;
169 struct nwnode *np = VTONW(vp);
170 struct ncp_open_info no;
171 struct nwmount *nmp = VTONWFS(vp);
175 NCPVNDEBUG("%s,%d\n",np->n_name, np->opened);
176 if (vp->v_type != VREG && vp->v_type != VDIR) {
177 NCPFATAL("open vtype = %d\n", vp->v_type);
180 if (vp->v_type == VDIR) return 0; /* nothing to do now */
181 if (np->n_flag & NMODIFIED) {
182 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
185 error = VOP_GETATTR(vp, &vattr);
188 np->n_mtime = vattr.va_mtime.tv_sec;
190 error = VOP_GETATTR(vp, &vattr);
193 if (np->n_mtime != vattr.va_mtime.tv_sec) {
194 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
196 np->n_mtime = vattr.va_mtime.tv_sec;
201 return (vop_stdopen(ap));
204 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
206 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN,
207 0, nwm, &no, td, ap->a_cred);
212 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
213 nwm, &no, td, ap->a_cred);
219 np->n_origfh = no.origfh;
220 error = vop_stdopen(ap);
226 * nwfs_close(struct vnodeop_desc *a_desc, struct vnode *a_vp, int a_fflag,
227 * struct ucred *a_cred, struct thread *a_td)
230 nwfs_close(struct vop_close_args *ap)
232 thread_t td = curthread; /* XXX */
233 struct vnode *vp = ap->a_vp;
234 struct nwnode *np = VTONW(vp);
237 NCPVNDEBUG("name=%s,td=%p,c=%d\n",np->n_name,ap->a_td,np->opened);
240 if (vp->v_type == VDIR)
244 error = nwfs_vinvalbuf(vp, V_SAVE, 1);
245 if (np->opened == 0) {
246 error = 0; /* huh? */
249 if (--np->opened == 0) {
250 error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
260 * nwfs_getattr call from vfs.
262 * nwfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
263 * struct thread *a_td)
266 nwfs_getattr(struct vop_getattr_args *ap)
268 thread_t td = curthread; /* XXX */
269 struct vnode *vp = ap->a_vp;
270 struct nwnode *np = VTONW(vp);
271 struct vattr *va=ap->a_vap;
272 struct nwmount *nmp = VTONWFS(vp);
273 struct nw_entry_info fattr;
277 NCPVNDEBUG("%lx:%d: '%s' %d\n", (long)vp, nmp->n_volume, np->n_name, (vp->v_flag & VROOT) != 0);
278 error = nwfs_attr_cachelookup(vp,va);
279 if (!error) return 0;
280 NCPVNDEBUG("not in cache\n");
281 oldsize = np->n_size;
282 if (np->n_flag & NVOLUME) {
283 error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, &fattr,
286 error = ncp_obtain_info(nmp, np->n_fid.f_parent, np->n_nmlen,
287 np->n_name, &fattr, td, proc0.p_ucred);
290 NCPVNDEBUG("error %d\n", error);
293 nwfs_attr_cacheenter(vp, &fattr);
296 np->n_size = oldsize;
300 * nwfs_setattr call from vfs.
302 * nwfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred)
305 nwfs_setattr(struct vop_setattr_args *ap)
307 thread_t td = curthread; /* XXX */
308 struct vnode *vp = ap->a_vp;
309 struct nwnode *np = VTONW(vp);
310 struct vattr *vap = ap->a_vap;
315 if (vap->va_flags != VNOVAL)
318 * Disallow write attempts if the filesystem is mounted read-only.
320 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
321 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
322 vap->va_mode != (mode_t)VNOVAL) &&(vp->v_mount->mnt_flag & MNT_RDONLY))
324 if (vap->va_size != VNOVAL) {
325 switch (vp->v_type) {
330 * Disallow write attempts if the filesystem is
333 if (vp->v_mount->mnt_flag & MNT_RDONLY)
335 vnode_pager_setsize(vp, (u_long)vap->va_size);
337 np->n_size = vap->va_size;
343 error = ncp_setattr(vp, vap, ap->a_cred, td);
344 if (error && vap->va_size != VNOVAL) {
346 vnode_pager_setsize(vp, (u_long)tsize);
348 np->n_atime = 0; /* invalidate cache */
349 VOP_GETATTR(vp, vap);
350 np->n_mtime = vap->va_mtime.tv_sec;
357 * nwfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
358 * struct ucred *a_cred)
361 nwfs_read(struct vop_read_args *ap)
363 struct vnode *vp = ap->a_vp;
364 struct uio *uio=ap->a_uio;
366 NCPVNDEBUG("nwfs_read:\n");
368 if (vp->v_type != VREG && vp->v_type != VDIR)
370 error = nwfs_readvnode(vp, uio, ap->a_cred);
375 * nwfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
376 * struct ucred *a_cred)
379 nwfs_write(struct vop_write_args *ap)
381 struct vnode *vp = ap->a_vp;
382 struct uio *uio = ap->a_uio;
385 NCPVNDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
387 if (vp->v_type != VREG)
389 error = nwfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
394 * Create a regular file. On entry the directory to contain the file being
395 * created is locked. We must release before we return.
397 * nwfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
398 * struct componentname *a_cnpl, struct vattr *a_vap)
401 nwfs_create(struct vop_old_create_args *ap)
403 struct vnode *dvp = ap->a_dvp;
404 struct vattr *vap = ap->a_vap;
405 struct vnode **vpp=ap->a_vpp;
406 struct componentname *cnp = ap->a_cnp;
407 struct vnode *vp = (struct vnode *)0;
408 int error = 0, fmode;
411 struct ncp_open_info no;
412 struct nwmount *nmp=VTONWFS(dvp);
418 if (vap->va_type == VSOCK)
420 if ((error = VOP_GETATTR(dvp, &vattr))) {
423 fmode = AR_READ | AR_WRITE;
424 /* if (vap->va_vaflags & VA_EXCLUSIVE)
425 fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
427 error = ncp_open_create_file_or_subdir(nmp,dvp,cnp->cn_namelen,cnp->cn_nameptr,
428 OC_MODE_CREATE | OC_MODE_OPEN | OC_MODE_REPLACE,
429 0, fmode, &no, cnp->cn_td, cnp->cn_cred);
431 error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_td,cnp->cn_cred);
432 fid.f_parent = VTONW(dvp)->n_fid.f_id;
433 fid.f_id = no.fattr.dirEntNum;
434 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &vp);
445 * nwfs_remove call. It isn't possible to emulate UFS behaivour because
446 * NetWare doesn't allow delete/rename operations on an opened file.
448 * nwfs_remove(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
449 * struct vnode *a_vp, struct componentname *a_cnp)
452 nwfs_remove(struct vop_old_remove_args *ap)
454 struct vnode *vp = ap->a_vp;
455 struct vnode *dvp = ap->a_dvp;
456 struct componentname *cnp = ap->a_cnp;
457 struct nwnode *np = VTONW(vp);
458 struct nwmount *nmp = VTONWFS(vp);
461 if (vp->v_type == VDIR || np->opened || vp->v_usecount != 1) {
463 } else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
466 error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
467 cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
469 np->n_flag |= NSHOULDFREE;
470 else if (error == 0x899c)
477 * nwfs_file rename call
479 * nwfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
480 * struct componentname *a_fcnp, struct vnode *a_tdvp,
481 * struct vnode *a_tvp, struct componentname *a_tcnp)
484 nwfs_rename(struct vop_old_rename_args *ap)
486 struct vnode *fvp = ap->a_fvp;
487 struct vnode *tvp = ap->a_tvp;
488 struct vnode *fdvp = ap->a_fdvp;
489 struct vnode *tdvp = ap->a_tdvp;
490 struct componentname *tcnp = ap->a_tcnp;
491 struct componentname *fcnp = ap->a_fcnp;
492 struct nwmount *nmp=VTONWFS(fvp);
493 u_int16_t oldtype = 6;
496 /* Check for cross-device rename */
497 if ((fvp->v_mount != tdvp->v_mount) ||
498 (tvp && (fvp->v_mount != tvp->v_mount))) {
503 if (tvp && tvp->v_usecount > 1) {
507 if (tvp && tvp != fvp) {
508 error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
509 tcnp->cn_namelen, tcnp->cn_nameptr,
510 tcnp->cn_td, tcnp->cn_cred);
511 if (error == 0x899c) error = EACCES;
515 if (fvp->v_type == VDIR) {
516 oldtype |= NW_TYPE_SUBDIR;
517 } else if (fvp->v_type == VREG) {
518 oldtype |= NW_TYPE_FILE;
521 error = ncp_nsrename(NWFSTOCONN(nmp), nmp->n_volume, nmp->name_space,
522 oldtype, &nmp->m.nls,
523 VTONW(fdvp)->n_fid.f_id, fcnp->cn_nameptr, fcnp->cn_namelen,
524 VTONW(tdvp)->n_fid.f_id, tcnp->cn_nameptr, tcnp->cn_namelen,
525 tcnp->cn_td,tcnp->cn_cred);
538 nwfs_attr_cacheremove(fdvp);
539 nwfs_attr_cacheremove(tdvp);
541 * Need to get rid of old vnodes, because netware will change
548 * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
556 * nwfs hard link create call
557 * Netware filesystems don't know what links are.
559 * nwfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
560 * struct componentname *a_cnp)
563 nwfs_link(struct vop_old_link_args *ap)
569 * nwfs_symlink link create call
570 * Netware filesystems don't know what symlinks are.
572 * nwfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
573 * struct componentname *a_cnp, struct vattr *a_vap,
577 nwfs_symlink(struct vop_old_symlink_args *ap)
582 static int nwfs_mknod(struct vop_old_mknod_args *ap)
590 * nwfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
591 * struct componentname *a_cnp, struct vattr *a_vap)
594 nwfs_mkdir(struct vop_old_mkdir_args *ap)
596 struct vnode *dvp = ap->a_dvp;
597 /* struct vattr *vap = ap->a_vap;*/
598 struct componentname *cnp = ap->a_cnp;
599 int len=cnp->cn_namelen;
600 struct ncp_open_info no;
602 struct vnode *newvp = (struct vnode *)0;
606 char *name=cnp->cn_nameptr;
608 if ((error = VOP_GETATTR(dvp, &vattr))) {
611 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) {
614 if (ncp_open_create_file_or_subdir(VTONWFS(dvp),dvp, cnp->cn_namelen,
615 cnp->cn_nameptr,OC_MODE_CREATE, aDIR, 0xffff,
616 &no, cnp->cn_td, cnp->cn_cred) != 0) {
622 fid.f_parent = VTONW(dvp)->n_fid.f_id;
623 fid.f_id = no.fattr.dirEntNum;
624 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &newvp);
627 newvp->v_type = VDIR;
635 * nwfs_remove directory call
637 * nwfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
638 * struct componentname *a_cnp)
641 nwfs_rmdir(struct vop_old_rmdir_args *ap)
643 struct vnode *vp = ap->a_vp;
644 struct vnode *dvp = ap->a_dvp;
645 struct componentname *cnp = ap->a_cnp;
646 struct nwnode *np = VTONW(vp);
647 struct nwmount *nmp = VTONWFS(vp);
648 struct nwnode *dnp = VTONW(dvp);
654 error = ncp_DeleteNSEntry(nmp, dnp->n_fid.f_id,
655 cnp->cn_namelen, cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
657 np->n_flag |= NSHOULDFREE;
658 else if (error == NWE_DIR_NOT_EMPTY)
660 dnp->n_flag |= NMODIFIED;
661 nwfs_attr_cacheremove(dvp);
668 * nwfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
669 * int *a_eofflag, u_long *a_cookies, int a_ncookies)
672 nwfs_readdir(struct vop_readdir_args *ap)
674 struct vnode *vp = ap->a_vp;
675 struct uio *uio = ap->a_uio;
678 if (vp->v_type != VDIR)
680 if (ap->a_ncookies) {
681 printf("nwfs_readdir: no support for cookies now...");
685 error = nwfs_readvnode(vp, uio, ap->a_cred);
690 * nwfs_fsync(struct vnodeop_desc *a_desc, struct vnode *a_vp,
691 * struct ucred *a_cred, int a_waitfor, struct thread *a_td)
695 nwfs_fsync(struct vop_fsync_args *ap)
697 /* return (nfs_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
702 * nwfs_print(struct vnode *a_vp)
706 nwfs_print(struct vop_print_args *ap)
708 struct vnode *vp = ap->a_vp;
709 struct nwnode *np = VTONW(vp);
711 printf("nwfs node: name = '%s', fid = %d, pfid = %d\n",
712 np->n_name, np->n_fid.f_id, np->n_fid.f_parent);
717 * nwfs_pathconf(struct vnode *vp, int name, register_t *retval)
720 nwfs_pathconf(struct vop_pathconf_args *ap)
722 int name=ap->a_name, error=0;
723 register_t *retval=ap->a_retval;
730 *retval=NCP_MAX_FILENAME; /* XXX from nwfsnode */
733 *retval=NCP_MAXPATHLEN; /* XXX from nwfsnode */
742 * nwfs_strategy(struct vnode *a_vp, struct bio *a_bio)
745 nwfs_strategy(struct vop_strategy_args *ap)
747 struct bio *bio = ap->a_bio;
748 struct buf *bp = bio->bio_buf;
750 struct thread *td = NULL;
753 if ((bp->b_flags & B_ASYNC) == 0)
754 td = curthread; /* YYY dunno if this is legal */
756 * If the op is asynchronous and an i/o daemon is waiting
757 * queue the request, wake it up and wait for completion
758 * otherwise just do it ourselves.
760 if ((bp->b_flags & B_ASYNC) == 0 )
761 error = nwfs_doio(ap->a_vp, bio, proc0.p_ucred, td);
766 * nwfs_bmap(struct vnode *a_vp, off_t a_loffset, struct vnode **a_vpp,
767 * off_t *a_doffsetp, int *a_runp, int *a_runb)
770 nwfs_bmap(struct vop_bmap_args *ap)
772 struct vnode *vp = ap->a_vp;
774 if (ap->a_vpp != NULL)
776 if (ap->a_doffsetp != NULL)
777 *ap->a_doffsetp = ap->a_loffset;
778 if (ap->a_runp != NULL)
780 if (ap->a_runb != NULL)
786 nwfs_nget(struct mount *mp, ncpfid fid, const struct nw_entry_info *fap,
787 struct vnode *dvp, struct vnode **vpp)
790 struct nwnode *newnp;
794 error = nwfs_allocvp(mp, fid, &vp);
799 newnp->n_attr = fap->attributes;
800 vp->v_type = newnp->n_attr & aDIR ? VDIR : VREG;
801 nwfs_attr_cacheenter(vp, fap);
804 newnp->n_parent = VTONW(dvp)->n_fid;
805 if ((newnp->n_flag & NNEW) && vp->v_type == VDIR) {
806 if ((dvp->v_flag & VROOT) == 0) {
807 newnp->n_refparent = 1;
808 vref(dvp); /* vhold */
812 if ((newnp->n_flag & NNEW) && vp->v_type == VREG)
813 printf("new vnode '%s' borned without parent ?\n",newnp->n_name);
815 newnp->n_flag &= ~NNEW;
821 * How to keep the brain busy ...
822 * Currently lookup routine can make two lookup for vnode. This can be
823 * avoided by reorg the code.
825 * nwfs_lookup(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
826 * struct vnode **a_vpp, struct componentname *a_cnp)
829 nwfs_lookup(struct vop_old_lookup_args *ap)
831 struct componentname *cnp = ap->a_cnp;
832 struct vnode *dvp = ap->a_dvp;
833 struct vnode **vpp = ap->a_vpp;
834 int flags = cnp->cn_flags;
837 struct mount *mp = dvp->v_mount;
838 struct nwnode *dnp, *npp;
839 struct nw_entry_info fattr, *fap;
841 int nameiop=cnp->cn_nameiop;
842 int lockparent, wantparent, error = 0, notfound;
843 struct thread *td = cnp->cn_td;
844 char _name[cnp->cn_namelen+1];
845 bcopy(cnp->cn_nameptr,_name,cnp->cn_namelen);
846 _name[cnp->cn_namelen]=0;
848 if (dvp->v_type != VDIR)
850 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
851 printf("nwfs_lookup: invalid '..'\n");
855 NCPVNDEBUG("%d '%s' in '%s' id=d\n", nameiop, _name,
856 VTONW(dvp)->n_name/*, VTONW(dvp)->n_name*/);
858 if ((mp->mnt_flag & MNT_RDONLY) && nameiop != NAMEI_LOOKUP)
860 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred)))
862 lockparent = flags & CNP_LOCKPARENT;
863 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
867 printf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & CNP_ISDOTDOT);
869 error = ncp_pathcheck(cnp->cn_nameptr, cnp->cn_namelen, &nmp->m.nls,
870 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && (nmp->m.nls.opt & NWHP_NOSTRICT) == 0);
877 if (flags & CNP_ISDOTDOT) {
878 if (NWCMPF(&dnp->n_parent, &nmp->n_rootent)) {
879 fid = nmp->n_rootent;
883 error = nwfs_lookupnp(nmp, dnp->n_parent, td, &npp);
890 notfound = ncp_obtain_info(nmp, npp->n_dosfid,
891 0, NULL, fap, td, cnp->cn_cred);
895 notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
896 fap, td, cnp->cn_cred);
897 fid.f_id = fap->dirEntNum;
898 if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
899 fid.f_parent = dnp->n_fid.f_parent;
901 fid.f_parent = dnp->n_fid.f_id;
902 NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
904 if (notfound && notfound < 0x80 )
905 return (notfound); /* hard error */
906 if (notfound) { /* entry not found */
907 /* Handle RENAME or CREATE case... */
908 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent) {
911 return (EJUSTRETURN);
915 NCPVNDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
917 /* handle DELETE case ... */
918 if (nameiop == NAMEI_DELETE) { /* delete last component */
919 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
920 if (error) return (error);
921 if (NWCMPF(&dnp->n_fid, &fid)) { /* we found ourselfs */
926 error = nwfs_nget(mp, fid, fap, dvp, &vp);
927 if (error) return (error);
929 if (!lockparent) VOP_UNLOCK(dvp, 0);
932 if (nameiop == NAMEI_RENAME && wantparent) {
933 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
934 if (error) return (error);
935 if (NWCMPF(&dnp->n_fid, &fid)) return EISDIR;
936 error = nwfs_nget(mp, fid, fap, dvp, &vp);
937 if (error) return (error);
943 if (flags & CNP_ISDOTDOT) {
944 VOP_UNLOCK(dvp, 0); /* race to get the inode */
945 error = nwfs_nget(mp, fid, NULL, NULL, &vp);
947 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
950 if (lockparent && (error = vn_lock(dvp, LK_EXCLUSIVE))) {
955 } else if (NWCMPF(&dnp->n_fid, &fid)) {
959 error = nwfs_nget(mp, fid, fap, dvp, &vp);
960 if (error) return (error);
962 NCPVNDEBUG("lookup: getnewvp!\n");
967 /* XXX MOVE TO NREMOVE */
968 if ((cnp->cn_flags & CNP_MAKEENTRY)) {
969 VTONW(*vpp)->n_ctime = VTONW(*vpp)->n_vattr.va_ctime.tv_sec;