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 1.18 2004/10/12 19:21:05 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_create_args *);
64 static int nwfs_mknod(struct vop_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_remove_args *);
74 static int nwfs_link(struct vop_link_args *);
75 static int nwfs_lookup(struct vop_lookup_args *);
76 static int nwfs_rename(struct vop_rename_args *);
77 static int nwfs_mkdir(struct vop_mkdir_args *);
78 static int nwfs_rmdir(struct vop_rmdir_args *);
79 static int nwfs_symlink(struct vop_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, (void *) nwfs_access },
90 { &vop_bmap_desc, (void *) nwfs_bmap },
91 { &vop_open_desc, (void *) nwfs_open },
92 { &vop_close_desc, (void *) nwfs_close },
93 { &vop_create_desc, (void *) nwfs_create },
94 { &vop_fsync_desc, (void *) nwfs_fsync },
95 { &vop_getattr_desc, (void *) nwfs_getattr },
96 { &vop_getpages_desc, (void *) nwfs_getpages },
97 { &vop_putpages_desc, (void *) nwfs_putpages },
98 { &vop_ioctl_desc, (void *) nwfs_ioctl },
99 { &vop_inactive_desc, (void *) nwfs_inactive },
100 { &vop_islocked_desc, (void *) vop_stdislocked },
101 { &vop_link_desc, (void *) nwfs_link },
102 { &vop_lock_desc, (void *) vop_stdlock },
103 { &vop_lookup_desc, (void *) nwfs_lookup },
104 { &vop_mkdir_desc, (void *) nwfs_mkdir },
105 { &vop_mknod_desc, (void *) nwfs_mknod },
106 { &vop_pathconf_desc, (void *) nwfs_pathconf },
107 { &vop_print_desc, (void *) nwfs_print },
108 { &vop_read_desc, (void *) nwfs_read },
109 { &vop_readdir_desc, (void *) nwfs_readdir },
110 { &vop_reclaim_desc, (void *) nwfs_reclaim },
111 { &vop_remove_desc, (void *) nwfs_remove },
112 { &vop_rename_desc, (void *) nwfs_rename },
113 { &vop_rmdir_desc, (void *) nwfs_rmdir },
114 { &vop_setattr_desc, (void *) nwfs_setattr },
115 { &vop_strategy_desc, (void *) nwfs_strategy },
116 { &vop_symlink_desc, (void *) nwfs_symlink },
117 { &vop_unlock_desc, (void *) vop_stdunlock },
118 { &vop_write_desc, (void *) 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,
161 * struct thread *a_td)
165 nwfs_open(struct vop_open_args *ap)
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, ap->a_td, 1)) == EINTR)
185 error = VOP_GETATTR(vp, &vattr, ap->a_td);
186 if (error) return (error);
187 np->n_mtime = vattr.va_mtime.tv_sec;
189 error = VOP_GETATTR(vp, &vattr, ap->a_td);
190 if (error) return (error);
191 if (np->n_mtime != vattr.va_mtime.tv_sec) {
192 if ((error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1)) == EINTR)
194 np->n_mtime = vattr.va_mtime.tv_sec;
202 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
204 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN,
205 0, nwm, &no, ap->a_td, ap->a_cred);
210 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
211 nwm, &no, ap->a_td,ap->a_cred);
216 np->n_origfh = no.origfh;
223 * nwfs_close(struct vnodeop_desc *a_desc, struct vnode *a_vp, int a_fflag,
224 * struct ucred *a_cred, struct thread *a_td)
227 nwfs_close(struct vop_close_args *ap)
229 struct vnode *vp = ap->a_vp;
230 struct nwnode *np = VTONW(vp);
233 NCPVNDEBUG("name=%s,td=%p,c=%d\n",np->n_name,ap->a_td,np->opened);
235 if (vp->v_type == VDIR) return 0; /* nothing to do now */
237 if (np->opened == 0) {
240 error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1);
241 if (np->opened == 0) {
244 if (--np->opened == 0) {
245 error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
246 ap->a_td, proc0.p_ucred);
253 * nwfs_getattr call from vfs.
255 * nwfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
256 * struct thread *a_td)
259 nwfs_getattr(struct vop_getattr_args *ap)
261 struct vnode *vp = ap->a_vp;
262 struct nwnode *np = VTONW(vp);
263 struct vattr *va=ap->a_vap;
264 struct nwmount *nmp = VTONWFS(vp);
265 struct nw_entry_info fattr;
269 NCPVNDEBUG("%lx:%d: '%s' %d\n", (long)vp, nmp->n_volume, np->n_name, (vp->v_flag & VROOT) != 0);
270 error = nwfs_attr_cachelookup(vp,va);
271 if (!error) return 0;
272 NCPVNDEBUG("not in cache\n");
273 oldsize = np->n_size;
274 if (np->n_flag & NVOLUME) {
275 error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, &fattr,
276 ap->a_td,proc0.p_ucred);
278 error = ncp_obtain_info(nmp, np->n_fid.f_parent, np->n_nmlen,
279 np->n_name, &fattr, ap->a_td, proc0.p_ucred);
282 NCPVNDEBUG("error %d\n", error);
285 nwfs_attr_cacheenter(vp, &fattr);
288 np->n_size = oldsize;
292 * nwfs_setattr call from vfs.
294 * nwfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
295 * struct thread *a_td)
298 nwfs_setattr(struct vop_setattr_args *ap)
300 struct vnode *vp = ap->a_vp;
301 struct nwnode *np = VTONW(vp);
302 struct vattr *vap = ap->a_vap;
307 if (vap->va_flags != VNOVAL)
310 * Disallow write attempts if the filesystem is mounted read-only.
312 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
313 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
314 vap->va_mode != (mode_t)VNOVAL) &&(vp->v_mount->mnt_flag & MNT_RDONLY))
316 if (vap->va_size != VNOVAL) {
317 switch (vp->v_type) {
322 * Disallow write attempts if the filesystem is
325 if (vp->v_mount->mnt_flag & MNT_RDONLY)
327 vnode_pager_setsize(vp, (u_long)vap->va_size);
329 np->n_size = vap->va_size;
335 error = ncp_setattr(vp, vap, ap->a_cred, ap->a_td);
336 if (error && vap->va_size != VNOVAL) {
338 vnode_pager_setsize(vp, (u_long)tsize);
340 np->n_atime = 0; /* invalidate cache */
341 VOP_GETATTR(vp, vap, ap->a_td);
342 np->n_mtime = vap->va_mtime.tv_sec;
349 * nwfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
350 * struct ucred *a_cred)
353 nwfs_read(struct vop_read_args *ap)
355 struct vnode *vp = ap->a_vp;
356 struct uio *uio=ap->a_uio;
358 NCPVNDEBUG("nwfs_read:\n");
360 if (vp->v_type != VREG && vp->v_type != VDIR)
362 error = nwfs_readvnode(vp, uio, ap->a_cred);
367 * nwfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
368 * struct ucred *a_cred)
371 nwfs_write(struct vop_write_args *ap)
373 struct vnode *vp = ap->a_vp;
374 struct uio *uio = ap->a_uio;
377 NCPVNDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
379 if (vp->v_type != VREG)
381 error = nwfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
386 * Create a regular file. On entry the directory to contain the file being
387 * created is locked. We must release before we return. We must also free
388 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
389 * only if the SAVESTART bit in cn_flags is clear on success.
391 * nwfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
392 * struct componentname *a_cnpl, struct vattr *a_vap)
395 nwfs_create(struct vop_create_args *ap)
397 struct vnode *dvp = ap->a_dvp;
398 struct vattr *vap = ap->a_vap;
399 struct vnode **vpp=ap->a_vpp;
400 struct componentname *cnp = ap->a_cnp;
401 struct vnode *vp = (struct vnode *)0;
402 int error = 0, fmode;
405 struct ncp_open_info no;
406 struct nwmount *nmp=VTONWFS(dvp);
412 if (vap->va_type == VSOCK)
414 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) {
417 fmode = AR_READ | AR_WRITE;
418 /* if (vap->va_vaflags & VA_EXCLUSIVE)
419 fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
421 error = ncp_open_create_file_or_subdir(nmp,dvp,cnp->cn_namelen,cnp->cn_nameptr,
422 OC_MODE_CREATE | OC_MODE_OPEN | OC_MODE_REPLACE,
423 0, fmode, &no, cnp->cn_td, cnp->cn_cred);
425 error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_td,cnp->cn_cred);
426 fid.f_parent = VTONW(dvp)->n_fid.f_id;
427 fid.f_id = no.fattr.dirEntNum;
428 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &vp);
434 if (cnp->cn_flags & CNP_MAKEENTRY)
435 cache_enter(dvp, vp, cnp);
441 * nwfs_remove call. It isn't possible to emulate UFS behaivour because
442 * NetWare doesn't allow delete/rename operations on an opened file.
444 * nwfs_remove(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
445 * struct vnode *a_vp, struct componentname *a_cnp)
448 nwfs_remove(struct vop_remove_args *ap)
450 struct vnode *vp = ap->a_vp;
451 struct vnode *dvp = ap->a_dvp;
452 struct componentname *cnp = ap->a_cnp;
453 struct nwnode *np = VTONW(vp);
454 struct nwmount *nmp = VTONWFS(vp);
457 if (vp->v_type == VDIR || np->opened || vp->v_usecount != 1) {
459 } else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
463 error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
464 cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
466 np->n_flag |= NSHOULDFREE;
467 else if (error == 0x899c)
474 * nwfs_file rename call
476 * nwfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
477 * struct componentname *a_fcnp, struct vnode *a_tdvp,
478 * struct vnode *a_tvp, struct componentname *a_tcnp)
481 nwfs_rename(struct vop_rename_args *ap)
483 struct vnode *fvp = ap->a_fvp;
484 struct vnode *tvp = ap->a_tvp;
485 struct vnode *fdvp = ap->a_fdvp;
486 struct vnode *tdvp = ap->a_tdvp;
487 struct componentname *tcnp = ap->a_tcnp;
488 struct componentname *fcnp = ap->a_fcnp;
489 struct nwmount *nmp=VTONWFS(fvp);
490 u_int16_t oldtype = 6;
493 /* Check for cross-device rename */
494 if ((fvp->v_mount != tdvp->v_mount) ||
495 (tvp && (fvp->v_mount != tvp->v_mount))) {
500 if (tvp && tvp->v_usecount > 1) {
504 if (tvp && tvp != fvp) {
505 error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
506 tcnp->cn_namelen, tcnp->cn_nameptr,
507 tcnp->cn_td, tcnp->cn_cred);
508 if (error == 0x899c) error = EACCES;
512 if (fvp->v_type == VDIR) {
513 oldtype |= NW_TYPE_SUBDIR;
514 } else if (fvp->v_type == VREG) {
515 oldtype |= NW_TYPE_FILE;
518 error = ncp_nsrename(NWFSTOCONN(nmp), nmp->n_volume, nmp->name_space,
519 oldtype, &nmp->m.nls,
520 VTONW(fdvp)->n_fid.f_id, fcnp->cn_nameptr, fcnp->cn_namelen,
521 VTONW(tdvp)->n_fid.f_id, tcnp->cn_nameptr, tcnp->cn_namelen,
522 tcnp->cn_td,tcnp->cn_cred);
526 if (fvp->v_type == VDIR) {
527 if (tvp != NULL && tvp->v_type == VDIR)
540 nwfs_attr_cacheremove(fdvp);
541 nwfs_attr_cacheremove(tdvp);
543 * Need to get rid of old vnodes, because netware will change
550 * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
558 * nwfs hard link create call
559 * Netware filesystems don't know what links are.
561 * nwfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
562 * struct componentname *a_cnp)
565 nwfs_link(struct vop_link_args *ap)
571 * nwfs_symlink link create call
572 * Netware filesystems don't know what symlinks are.
574 * nwfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
575 * struct componentname *a_cnp, struct vattr *a_vap,
579 nwfs_symlink(struct vop_symlink_args *ap)
584 static int nwfs_mknod(struct vop_mknod_args *ap)
592 * nwfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
593 * struct componentname *a_cnp, struct vattr *a_vap)
596 nwfs_mkdir(struct vop_mkdir_args *ap)
598 struct vnode *dvp = ap->a_dvp;
599 /* struct vattr *vap = ap->a_vap;*/
600 struct componentname *cnp = ap->a_cnp;
601 int len=cnp->cn_namelen;
602 struct ncp_open_info no;
604 struct vnode *newvp = (struct vnode *)0;
608 char *name=cnp->cn_nameptr;
610 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) {
613 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) {
616 if (ncp_open_create_file_or_subdir(VTONWFS(dvp),dvp, cnp->cn_namelen,
617 cnp->cn_nameptr,OC_MODE_CREATE, aDIR, 0xffff,
618 &no, cnp->cn_td, cnp->cn_cred) != 0) {
624 fid.f_parent = VTONW(dvp)->n_fid.f_id;
625 fid.f_id = no.fattr.dirEntNum;
626 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &newvp);
629 newvp->v_type = VDIR;
637 * nwfs_remove directory call
639 * nwfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
640 * struct componentname *a_cnp)
643 nwfs_rmdir(struct vop_rmdir_args *ap)
645 struct vnode *vp = ap->a_vp;
646 struct vnode *dvp = ap->a_dvp;
647 struct componentname *cnp = ap->a_cnp;
648 struct nwnode *np = VTONW(vp);
649 struct nwmount *nmp = VTONWFS(vp);
650 struct nwnode *dnp = VTONW(dvp);
656 error = ncp_DeleteNSEntry(nmp, dnp->n_fid.f_id,
657 cnp->cn_namelen, cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
659 np->n_flag |= NSHOULDFREE;
660 else if (error == NWE_DIR_NOT_EMPTY)
662 dnp->n_flag |= NMODIFIED;
663 nwfs_attr_cacheremove(dvp);
672 * nwfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
673 * int *a_eofflag, u_long *a_cookies, int a_ncookies)
676 nwfs_readdir(struct vop_readdir_args *ap)
678 struct vnode *vp = ap->a_vp;
679 struct uio *uio = ap->a_uio;
682 if (vp->v_type != VDIR)
684 if (ap->a_ncookies) {
685 printf("nwfs_readdir: no support for cookies now...");
689 error = nwfs_readvnode(vp, uio, ap->a_cred);
694 * nwfs_fsync(struct vnodeop_desc *a_desc, struct vnode *a_vp,
695 * struct ucred *a_cred, int a_waitfor, struct thread *a_td)
699 nwfs_fsync(struct vop_fsync_args *ap)
701 /* return (nfs_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
706 * nwfs_print(struct vnode *a_vp)
710 nwfs_print(struct vop_print_args *ap)
712 struct vnode *vp = ap->a_vp;
713 struct nwnode *np = VTONW(vp);
715 printf("nwfs node: name = '%s', fid = %d, pfid = %d\n",
716 np->n_name, np->n_fid.f_id, np->n_fid.f_parent);
721 * nwfs_pathconf(struct vnode *vp, int name, register_t *retval)
724 nwfs_pathconf(struct vop_pathconf_args *ap)
726 int name=ap->a_name, error=0;
727 register_t *retval=ap->a_retval;
734 *retval=NCP_MAX_FILENAME; /* XXX from nwfsnode */
737 *retval=NCP_MAXPATHLEN; /* XXX from nwfsnode */
746 * nwfs_strategy(struct buf *a_bp)
749 nwfs_strategy(struct vop_strategy_args *ap)
751 struct buf *bp=ap->a_bp;
753 struct thread *td = NULL;
756 if (bp->b_flags & B_PHYS)
757 panic("nwfs physio");
758 if ((bp->b_flags & B_ASYNC) == 0)
759 td = curthread; /* YYY dunno if this is legal */
761 * If the op is asynchronous and an i/o daemon is waiting
762 * queue the request, wake it up and wait for completion
763 * otherwise just do it ourselves.
765 if ((bp->b_flags & B_ASYNC) == 0 )
766 error = nwfs_doio(bp, proc0.p_ucred, td);
771 * nwfs_bmap(struct vnode *a_vp, daddr_t a_bn, struct vnode **a_vpp,
772 * daddr_t *a_bnp, int *a_runp, int *a_runb)
775 nwfs_bmap(struct vop_bmap_args *ap)
777 struct vnode *vp = ap->a_vp;
779 if (ap->a_vpp != NULL)
781 if (ap->a_bnp != NULL)
782 *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize);
783 if (ap->a_runp != NULL)
785 if (ap->a_runb != NULL)
791 nwfs_nget(struct mount *mp, ncpfid fid, struct nw_entry_info *fap,
792 struct vnode *dvp, struct vnode **vpp)
795 struct nwnode *newnp;
799 error = nwfs_allocvp(mp, fid, &vp);
804 newnp->n_attr = fap->attributes;
805 vp->v_type = newnp->n_attr & aDIR ? VDIR : VREG;
806 nwfs_attr_cacheenter(vp, fap);
809 newnp->n_parent = VTONW(dvp)->n_fid;
810 if ((newnp->n_flag & NNEW) && vp->v_type == VDIR) {
811 if ((dvp->v_flag & VROOT) == 0) {
812 newnp->n_refparent = 1;
813 vref(dvp); /* vhold */
817 if ((newnp->n_flag & NNEW) && vp->v_type == VREG)
818 printf("new vnode '%s' borned without parent ?\n",newnp->n_name);
820 newnp->n_flag &= ~NNEW;
826 * How to keep the brain busy ...
827 * Currently lookup routine can make two lookup for vnode. This can be
828 * avoided by reorg the code.
830 * nwfs_lookup(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
831 * struct vnode **a_vpp, struct componentname *a_cnp)
834 nwfs_lookup(struct vop_lookup_args *ap)
836 struct componentname *cnp = ap->a_cnp;
837 struct vnode *dvp = ap->a_dvp;
838 struct vnode **vpp = ap->a_vpp;
839 int flags = cnp->cn_flags;
842 struct mount *mp = dvp->v_mount;
843 struct nwnode *dnp, *npp;
844 struct nw_entry_info fattr, *fap;
846 int nameiop=cnp->cn_nameiop, islastcn;
847 int lockparent, wantparent, error = 0, notfound;
848 struct thread *td = cnp->cn_td;
849 char _name[cnp->cn_namelen+1];
850 bcopy(cnp->cn_nameptr,_name,cnp->cn_namelen);
851 _name[cnp->cn_namelen]=0;
853 if (dvp->v_type != VDIR)
855 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
856 printf("nwfs_lookup: invalid '..'\n");
860 NCPVNDEBUG("%d '%s' in '%s' id=d\n", nameiop, _name,
861 VTONW(dvp)->n_name/*, VTONW(dvp)->n_name*/);
863 islastcn = flags & CNP_ISLASTCN;
864 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != NAMEI_LOOKUP))
866 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)))
868 lockparent = flags & CNP_LOCKPARENT;
869 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
873 printf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & CNP_ISDOTDOT);
875 error = ncp_pathcheck(cnp->cn_nameptr, cnp->cn_namelen, &nmp->m.nls,
876 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && (nmp->m.nls.opt & NWHP_NOSTRICT) == 0);
880 error = cache_lookup(dvp, vpp, cnp);
881 NCPVNDEBUG("cache_lookup returned %d\n",error);
884 if (error) { /* name was found */
890 if (dvp == vp) { /* lookup on current */
891 /* vp already ref'd */
893 NCPVNDEBUG("cached '.'");
894 } else if (flags & CNP_ISDOTDOT) {
895 VOP_UNLOCK(dvp, 0, td); /* unlock parent */
896 error = vget(vp, LK_EXCLUSIVE, td);
898 if (!error && lockparent && islastcn)
899 error = vn_lock(dvp, LK_EXCLUSIVE, td);
901 error = vget(vp, LK_EXCLUSIVE, td);
903 if (!lockparent || error || !islastcn)
904 VOP_UNLOCK(dvp, 0, td);
907 if (vpid == vp->v_id) {
908 if (!VOP_GETATTR(vp, &vattr, td)
909 && vattr.va_ctime.tv_sec == VTONW(vp)->n_ctime) {
910 if (nameiop != NAMEI_LOOKUP && islastcn)
911 cnp->cn_flags |= CNP_SAVENAME;
912 NCPVNDEBUG("use cached vnode");
918 if (lockparent && dvp != vp && islastcn)
919 VOP_UNLOCK(dvp, 0, td);
921 error = vn_lock(dvp, LK_EXCLUSIVE, td);
926 /* not in cache, so ... */
930 if (flags & CNP_ISDOTDOT) {
931 if (NWCMPF(&dnp->n_parent, &nmp->n_rootent)) {
932 fid = nmp->n_rootent;
936 error = nwfs_lookupnp(nmp, dnp->n_parent, td, &npp);
943 notfound = ncp_obtain_info(nmp, npp->n_dosfid,
944 0, NULL, fap, td, cnp->cn_cred);
948 notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
949 fap, td, cnp->cn_cred);
950 fid.f_id = fap->dirEntNum;
951 if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
952 fid.f_parent = dnp->n_fid.f_parent;
954 fid.f_parent = dnp->n_fid.f_id;
955 NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
957 if (notfound && notfound < 0x80 )
958 return (notfound); /* hard error */
959 if (notfound) { /* entry not found */
960 /* Handle RENAME or CREATE case... */
961 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent && islastcn) {
962 cnp->cn_flags |= CNP_SAVENAME;
964 VOP_UNLOCK(dvp, 0, td);
965 return (EJUSTRETURN);
969 NCPVNDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
971 /* handle DELETE case ... */
972 if (nameiop == NAMEI_DELETE && islastcn) { /* delete last component */
973 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, cnp->cn_td);
974 if (error) return (error);
975 if (NWCMPF(&dnp->n_fid, &fid)) { /* we found ourselfs */
980 error = nwfs_nget(mp, fid, fap, dvp, &vp);
981 if (error) return (error);
983 cnp->cn_flags |= CNP_SAVENAME; /* I free it later */
984 if (!lockparent) VOP_UNLOCK(dvp, 0, td);
987 if (nameiop == NAMEI_RENAME && islastcn && wantparent) {
988 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, cnp->cn_td);
989 if (error) return (error);
990 if (NWCMPF(&dnp->n_fid, &fid)) return EISDIR;
991 error = nwfs_nget(mp, fid, fap, dvp, &vp);
992 if (error) return (error);
994 cnp->cn_flags |= CNP_SAVENAME;
996 VOP_UNLOCK(dvp, 0, td);
999 if (flags & CNP_ISDOTDOT) {
1000 VOP_UNLOCK(dvp, 0, td); /* race to get the inode */
1001 error = nwfs_nget(mp, fid, NULL, NULL, &vp);
1003 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, td);
1006 if (lockparent && islastcn &&
1007 (error = vn_lock(dvp, LK_EXCLUSIVE, td))) {
1012 } else if (NWCMPF(&dnp->n_fid, &fid)) {
1016 error = nwfs_nget(mp, fid, fap, dvp, &vp);
1017 if (error) return (error);
1019 NCPVNDEBUG("lookup: getnewvp!\n");
1020 if (!lockparent || !islastcn)
1021 VOP_UNLOCK(dvp, 0, td);
1023 if ((cnp->cn_flags & CNP_MAKEENTRY)/* && !islastcn*/) {
1024 VTONW(*vpp)->n_ctime = VTONW(*vpp)->n_vattr.va_ctime.tv_sec;
1025 cache_enter(dvp, *vpp, cnp);