2 * Copyright (c) 1998, 1999 Semen Ustimenko (semenu@FreeBSD.org)
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/sys/fs/hpfs/hpfs_vnops.c,v 1.2.2.2 2002/01/15 18:35:09 semenu Exp $
27 * $DragonFly: src/sys/vfs/hpfs/hpfs_vnops.c,v 1.5 2003/07/19 21:14:31 dillon Exp $
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
35 #include <sys/types.h>
37 #include <sys/vnode.h>
38 #include <sys/mount.h>
39 #include <sys/namei.h>
40 #include <sys/malloc.h>
42 #include <sys/dirent.h>
45 #include <vm/vm_param.h>
46 #if !defined(__FreeBSD__)
47 #include <vm/vm_prot.h>
49 #include <vm/vm_page.h>
50 #include <vm/vm_object.h>
51 #include <vm/vm_pager.h>
52 #include <vm/vm_zone.h>
53 #if defined(__FreeBSD__)
54 #include <vm/vnode_pager.h>
56 #include <vm/vm_extern.h>
58 #if !defined(__FreeBSD__)
59 #include <miscfs/specfs/specdev.h>
60 #include <miscfs/genfs/genfs.h>
63 #include <sys/unistd.h> /* for pathconf(2) constants */
65 #include <fs/hpfs/hpfs.h>
66 #include <fs/hpfs/hpfsmount.h>
67 #include <fs/hpfs/hpfs_subr.h>
68 #include <fs/hpfs/hpfs_ioctl.h>
70 static int hpfs_de_uiomove __P((struct hpfsmount *, struct hpfsdirent *,
72 static int hpfs_ioctl __P((struct vop_ioctl_args *ap));
73 static int hpfs_read __P((struct vop_read_args *));
74 static int hpfs_write __P((struct vop_write_args *ap));
75 static int hpfs_getattr __P((struct vop_getattr_args *ap));
76 static int hpfs_setattr __P((struct vop_setattr_args *ap));
77 static int hpfs_inactive __P((struct vop_inactive_args *ap));
78 static int hpfs_print __P((struct vop_print_args *ap));
79 static int hpfs_reclaim __P((struct vop_reclaim_args *ap));
80 static int hpfs_strategy __P((struct vop_strategy_args *ap));
81 static int hpfs_access __P((struct vop_access_args *ap));
82 static int hpfs_open __P((struct vop_open_args *ap));
83 static int hpfs_close __P((struct vop_close_args *ap));
84 static int hpfs_readdir __P((struct vop_readdir_args *ap));
85 static int hpfs_lookup __P((struct vop_lookup_args *ap));
86 static int hpfs_create __P((struct vop_create_args *));
87 static int hpfs_remove __P((struct vop_remove_args *));
88 static int hpfs_bmap __P((struct vop_bmap_args *ap));
89 #if defined(__FreeBSD__)
90 static int hpfs_getpages __P((struct vop_getpages_args *ap));
91 static int hpfs_putpages __P((struct vop_putpages_args *));
92 static int hpfs_fsync __P((struct vop_fsync_args *ap));
94 static int hpfs_pathconf __P((struct vop_pathconf_args *ap));
96 #if defined(__FreeBSD__)
99 struct vop_getpages_args *ap;
101 return vnode_pager_generic_getpages(ap->a_vp, ap->a_m, ap->a_count,
107 struct vop_putpages_args *ap;
109 return vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count,
110 ap->a_sync, ap->a_rtvals);
115 struct vop_fsync_args /* {
117 struct ucred *a_cred;
122 struct vnode *vp = ap->a_vp;
124 struct buf *bp, *nbp;
127 * Flush all dirty buffers associated with a vnode.
131 for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
132 nbp = TAILQ_NEXT(bp, b_vnbufs);
133 if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT))
135 if ((bp->b_flags & B_DELWRI) == 0)
136 panic("hpfs_fsync: not dirty");
142 while (vp->v_numoutput) {
143 vp->v_flag |= VBWAIT;
144 (void) tsleep((caddr_t)&vp->v_numoutput, 0, "hpfsn", 0);
147 if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
148 vprint("hpfs_fsync: dirty", vp);
155 * Write out the on-disc version of the vnode.
157 return hpfs_update(VTOHP(vp));
164 struct vop_ioctl_args /* {
169 struct ucred *a_cred;
173 register struct vnode *vp = ap->a_vp;
174 register struct hpfsnode *hp = VTOHP(vp);
177 printf("hpfs_ioctl(0x%x, 0x%lx, 0x%p, 0x%x): ",
178 hp->h_no, ap->a_command, ap->a_data, ap->a_fflag);
180 switch (ap->a_command) {
181 case HPFSIOCGEANUM: {
188 if (hp->h_fn.fn_ealen > 0) {
189 eap = (struct ea *)&(hp->h_fn.fn_int);
192 while (passed < hp->h_fn.fn_ealen) {
194 printf("EAname: %s\n", EA_NAME(eap));
197 passed += sizeof(struct ea) +
198 eap->ea_namelen + 1 + eap->ea_vallen;
199 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
207 printf("%lu eas\n", eanum);
209 *(u_long *)ap->a_data = eanum;
218 printf("EA%ld\n", *(u_long *)ap->a_data);
221 if (hp->h_fn.fn_ealen > 0) {
222 eap = (struct ea *)&(hp->h_fn.fn_int);
226 while (passed < hp->h_fn.fn_ealen) {
227 printf("EAname: %s\n", EA_NAME(eap));
229 if (eanum == *(u_long *)ap->a_data) {
230 *(u_long *)ap->a_data =
231 eap->ea_namelen + 1 +
239 passed += sizeof(struct ea) +
240 eap->ea_namelen + 1 + eap->ea_vallen;
241 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
253 struct hpfs_rdea *rdeap;
256 rdeap = (struct hpfs_rdea *)ap->a_data;
257 printf("EA%ld\n", rdeap->ea_no);
260 if (hp->h_fn.fn_ealen > 0) {
261 eap = (struct ea *)&(hp->h_fn.fn_int);
265 while (passed < hp->h_fn.fn_ealen) {
266 printf("EAname: %s\n", EA_NAME(eap));
268 if (eanum == rdeap->ea_no) {
269 rdeap->ea_sz = eap->ea_namelen + 1 +
271 copyout(EA_NAME(eap),rdeap->ea_data,
278 passed += sizeof(struct ea) +
279 eap->ea_namelen + 1 + eap->ea_vallen;
280 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
297 * Map file offset to disk offset.
301 struct vop_bmap_args /* {
304 struct vnode **a_vpp;
310 register struct hpfsnode *hp = VTOHP(ap->a_vp);
313 if (ap->a_vpp != NULL)
314 *ap->a_vpp = hp->h_devvp;
315 #if defined(__FreeBSD__)
316 if (ap->a_runb != NULL)
319 if (ap->a_bnp == NULL)
322 dprintf(("hpfs_bmap(0x%x, 0x%x): ",hp->h_no, ap->a_bn));
324 error = hpfs_hpbmap (hp, ap->a_bn, ap->a_bnp, ap->a_runp);
331 struct vop_read_args /* {
335 struct ucred *a_cred;
338 register struct vnode *vp = ap->a_vp;
339 register struct hpfsnode *hp = VTOHP(vp);
340 struct uio *uio = ap->a_uio;
342 u_int xfersz, toread;
349 resid = min (uio->uio_resid, hp->h_fn.fn_size - uio->uio_offset);
351 dprintf(("hpfs_read(0x%x, off: %d resid: %d, segflg: %d): [resid: 0x%x]\n",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg, resid));
354 lbn = uio->uio_offset >> DEV_BSHIFT;
355 off = uio->uio_offset & (DEV_BSIZE - 1);
356 dprintf(("hpfs_read: resid: 0x%x lbn: 0x%x off: 0x%x\n",
357 uio->uio_resid, lbn, off));
358 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
362 toread = min(off + resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
363 xfersz = (toread + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
364 dprintf(("hpfs_read: bn: 0x%x (0x%x) toread: 0x%x (0x%x)\n",
365 bn, runl, toread, xfersz));
370 error = bread(hp->h_devvp, bn, xfersz, NOCRED, &bp);
376 error = uiomove(bp->b_data + off, toread - off, uio);
384 dprintf(("hpfs_read: successful\n"));
390 struct vop_write_args /* {
394 struct ucred *a_cred;
397 register struct vnode *vp = ap->a_vp;
398 register struct hpfsnode *hp = VTOHP(vp);
399 struct uio *uio = ap->a_uio;
401 u_int xfersz, towrite;
407 dprintf(("hpfs_write(0x%x, off: %d resid: %d, segflg: %d):\n",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg));
409 if (ap->a_ioflag & IO_APPEND) {
410 dprintf(("hpfs_write: APPEND mode\n"));
411 uio->uio_offset = hp->h_fn.fn_size;
413 if (uio->uio_offset + uio->uio_resid > hp->h_fn.fn_size) {
414 error = hpfs_extend (hp, uio->uio_offset + uio->uio_resid);
416 printf("hpfs_write: hpfs_extend FAILED %d\n", error);
421 while (uio->uio_resid) {
422 lbn = uio->uio_offset >> DEV_BSHIFT;
423 off = uio->uio_offset & (DEV_BSIZE - 1);
424 dprintf(("hpfs_write: resid: 0x%x lbn: 0x%x off: 0x%x\n",
425 uio->uio_resid, lbn, off));
426 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
430 towrite = min(off + uio->uio_resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
431 xfersz = (towrite + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
432 dprintf(("hpfs_write: bn: 0x%x (0x%x) towrite: 0x%x (0x%x)\n",
433 bn, runl, towrite, xfersz));
435 if ((off == 0) && (towrite == xfersz)) {
436 bp = getblk(hp->h_devvp, bn, xfersz, 0, 0);
439 error = bread(hp->h_devvp, bn, xfersz, NOCRED, &bp);
446 error = uiomove(bp->b_data + off, towrite - off, uio);
452 if (ap->a_ioflag & IO_SYNC)
458 dprintf(("hpfs_write: successful\n"));
463 * XXXXX do we need hpfsnode locking inside?
467 struct vop_getattr_args /* {
470 struct ucred *a_cred;
474 register struct vnode *vp = ap->a_vp;
475 register struct hpfsnode *hp = VTOHP(vp);
476 register struct vattr *vap = ap->a_vap;
479 dprintf(("hpfs_getattr(0x%x):\n", hp->h_no));
481 #if defined(__FreeBSD__)
482 vap->va_fsid = dev2udev(hp->h_dev);
483 #else /* defined(__NetBSD__) */
484 vap->va_fsid = ip->i_dev;
486 vap->va_fileid = hp->h_no;
487 vap->va_mode = hp->h_mode;
489 vap->va_uid = hp->h_uid;
490 vap->va_gid = hp->h_gid;
491 vap->va_rdev = 0; /* XXX UNODEV ? */
492 vap->va_size = hp->h_fn.fn_size;
493 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
496 if (!(hp->h_flag & H_PARVALID)) {
497 error = hpfs_validateparent(hp);
501 vap->va_atime = hpfstimetounix(hp->h_atime);
502 vap->va_mtime = hpfstimetounix(hp->h_mtime);
503 vap->va_ctime = hpfstimetounix(hp->h_ctime);
507 vap->va_blocksize = DEV_BSIZE;
508 vap->va_type = vp->v_type;
515 * XXXXX do we need hpfsnode locking inside?
519 struct vop_setattr_args /* {
522 struct ucred *a_cred;
526 struct vnode *vp = ap->a_vp;
527 struct hpfsnode *hp = VTOHP(vp);
528 struct vattr *vap = ap->a_vap;
529 struct ucred *cred = ap->a_cred;
530 struct thread *td = ap->a_td;
533 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
536 * Check for unsettable attributes.
538 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
539 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
540 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
541 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
542 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
546 /* Can't change flags XXX Could be implemented */
547 if (vap->va_flags != VNOVAL) {
548 printf("hpfs_setattr: FLAGS CANNOT BE SET\n");
552 /* Can't change uid/gid XXX Could be implemented */
553 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
554 printf("hpfs_setattr: UID/GID CANNOT BE SET\n");
558 /* Can't change mode XXX Could be implemented */
559 if (vap->va_mode != (mode_t)VNOVAL) {
560 printf("hpfs_setattr: MODE CANNOT BE SET\n");
565 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
566 if (vp->v_mount->mnt_flag & MNT_RDONLY)
568 if (cred->cr_uid != hp->h_uid &&
569 (error = suser_cred(cred, PRISON_ROOT)) &&
570 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
571 (error = VOP_ACCESS(vp, VWRITE, cred, p))))
573 if (vap->va_atime.tv_sec != VNOVAL)
574 hp->h_atime = vap->va_atime.tv_sec;
575 if (vap->va_mtime.tv_sec != VNOVAL)
576 hp->h_mtime = vap->va_mtime.tv_sec;
578 hp->h_flag |= H_PARCHANGE;
581 if (vap->va_size != VNOVAL) {
582 switch (vp->v_type) {
586 if (vp->v_mount->mnt_flag & MNT_RDONLY)
590 printf("hpfs_setattr: WRONG v_type\n");
594 if (vap->va_size < hp->h_fn.fn_size) {
595 #if defined(__FreeBSD__)
596 error = vtruncbuf(vp, cred, p, vap->va_size, DEV_BSIZE);
599 #else /* defined(__NetBSD__) */
600 #error Need alternation for vtruncbuf()
602 error = hpfs_truncate(hp, vap->va_size);
606 } else if (vap->va_size > hp->h_fn.fn_size) {
607 #if defined(__FreeBSD__)
608 vnode_pager_setsize(vp, vap->va_size);
610 error = hpfs_extend(hp, vap->va_size);
620 * Last reference to an node. If necessary, write or delete it.
624 struct vop_inactive_args /* {
628 register struct vnode *vp = ap->a_vp;
629 register struct hpfsnode *hp = VTOHP(vp);
632 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
634 if (hp->h_flag & H_CHANGE) {
635 dprintf(("hpfs_inactive: node changed, update\n"));
636 error = hpfs_update (hp);
641 if (hp->h_flag & H_PARCHANGE) {
642 dprintf(("hpfs_inactive: parent node changed, update\n"));
643 error = hpfs_updateparent (hp);
648 if (prtactive && vp->v_usecount != 0)
649 vprint("hpfs_inactive: pushing active", vp);
651 if (hp->h_flag & H_INVAL) {
652 VOP__UNLOCK(vp,0,ap->a_p);
653 #if defined(__FreeBSD__)
654 vrecycle(vp, NULL, ap->a_p);
655 #else /* defined(__NetBSD__) */
661 VOP__UNLOCK(vp,0,ap->a_p);
666 * Reclaim an inode so that it can be used for other purposes.
670 struct vop_reclaim_args /* {
674 register struct vnode *vp = ap->a_vp;
675 register struct hpfsnode *hp = VTOHP(vp);
677 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
681 /* Purge old data structures associated with the inode. */
697 struct vop_print_args /* {
701 register struct vnode *vp = ap->a_vp;
702 register struct hpfsnode *hp = VTOHP(vp);
704 printf("tag VT_HPFS, ino 0x%x",hp->h_no);
705 lockmgr_printinfo(&hp->h_lock);
711 * Calculate the logical to physical mapping if not done already,
712 * then call the device strategy routine.
714 * In order to be able to swap to a file, the VOP_BMAP operation may not
715 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
719 struct vop_strategy_args /* {
723 register struct buf *bp = ap->a_bp;
724 register struct vnode *vp = ap->a_vp;
728 dprintf(("hpfs_strategy(): \n"));
730 if (vp->v_type == VBLK || vp->v_type == VCHR)
731 panic("hpfs_strategy: spec");
732 if (bp->b_blkno == bp->b_lblkno) {
733 error = VOP_BMAP(vp, bp->b_lblkno, &nvp, &bp->b_blkno, NULL, NULL);
735 printf("hpfs_strategy: VOP_BMAP FAILED %d\n", error);
737 bp->b_flags |= B_ERROR;
741 if ((long)bp->b_blkno == -1)
744 if ((long)bp->b_blkno == -1) {
748 bp->b_dev = nvp->v_rdev;
749 VOP_STRATEGY(nvp, bp);
754 * XXXXX do we need hpfsnode locking inside?
758 struct vop_access_args /* {
761 struct ucred *a_cred;
765 struct vnode *vp = ap->a_vp;
766 struct hpfsnode *hp = VTOHP(vp);
767 struct ucred *cred = ap->a_cred;
768 mode_t mask, mode = ap->a_mode;
772 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
775 * Disallow write attempts on read-only file systems;
776 * unless the file is a socket, fifo, or a block or
777 * character device resident on the file system.
780 switch ((int)vp->v_type) {
784 if (vp->v_mount->mnt_flag & MNT_RDONLY)
790 /* Otherwise, user id 0 always gets access. */
791 if (cred->cr_uid == 0)
796 /* Otherwise, check the owner. */
797 if (cred->cr_uid == hp->h_uid) {
804 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
807 /* Otherwise, check the groups. */
808 for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++)
809 if (hp->h_gid == *gp) {
816 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
819 /* Otherwise, check everyone else. */
826 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
837 struct vop_open_args /* {
840 struct ucred *a_cred;
845 register struct vnode *vp = ap->a_vp;
846 register struct hpfsnode *hp = VTOHP(vp);
848 printf("hpfs_open(0x%x):\n",hp->h_no);
852 * Files marked append-only must be opened for appending.
861 * Update the times on the inode.
866 struct vop_close_args /* {
869 struct ucred *a_cred;
874 register struct vnode *vp = ap->a_vp;
875 register struct hpfsnode *hp = VTOHP(vp);
877 printf("hpfs_close: %d\n",hp->h_no);
885 struct hpfsmount *hpmp,
886 struct hpfsdirent *dep,
892 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
893 dep->de_fnode, dep->de_size, dep->de_namelen,
894 dep->de_namelen, dep->de_name, dep->de_flag));
896 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
897 for (i=0; i<dep->de_namelen; i++)
898 cde.d_name[i] = hpfs_d2u(hpmp, dep->de_name[i]);
900 cde.d_name[dep->de_namelen] = '\0';
901 cde.d_namlen = dep->de_namelen;
902 cde.d_fileno = dep->de_fnode;
903 cde.d_type = (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG;
904 cde.d_reclen = sizeof(struct dirent);
906 error = uiomove((char *)&cde, sizeof(struct dirent), uio);
910 dprintf(("[0x%x] ", uio->uio_resid));
915 static struct dirent hpfs_de_dot =
916 { 0, sizeof(struct dirent), DT_DIR, 1, "." };
917 static struct dirent hpfs_de_dotdot =
918 { 0, sizeof(struct dirent), DT_DIR, 2, ".." };
921 struct vop_readdir_args /* {
924 struct ucred *a_cred;
929 register struct vnode *vp = ap->a_vp;
930 register struct hpfsnode *hp = VTOHP(vp);
931 struct hpfsmount *hpmp = hp->h_hpmp;
932 struct uio *uio = ap->a_uio;
933 int ncookies = 0, i, num, cnum;
938 struct hpfsdirent *dep;
943 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
945 off = uio->uio_offset;
947 if( uio->uio_offset < sizeof(struct dirent) ) {
948 dprintf((". faked, "));
949 hpfs_de_dot.d_fileno = hp->h_no;
950 error = uiomove((char *)&hpfs_de_dot,sizeof(struct dirent),uio);
958 if( uio->uio_offset < 2 * sizeof(struct dirent) ) {
959 dprintf((".. faked, "));
960 hpfs_de_dotdot.d_fileno = hp->h_fn.fn_parent;
962 error = uiomove((char *)&hpfs_de_dotdot, sizeof(struct dirent),
971 num = uio->uio_offset / sizeof(struct dirent) - 2;
974 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
980 dprintf(("[dive 0x%x] ", lsn));
981 error = bread(hp->h_devvp, lsn, D_BSIZE, NOCRED, &bp);
987 dp = (struct dirblk *) bp->b_data;
988 if (dp->d_magic != D_MAGIC) {
989 printf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
997 dprintf(("[restore 0x%x] ", olsn));
999 while(!(dep->de_flag & DE_END) ) {
1000 if((dep->de_flag & DE_DOWN) &&
1001 (olsn == DE_DOWNLSN(dep)))
1003 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1006 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
1007 if (dep->de_flag & DE_END)
1010 if (!(dep->de_flag & DE_SPECIAL)) {
1012 if (uio->uio_resid < sizeof(struct dirent)) {
1014 dprintf(("[resid] "));
1018 error = hpfs_de_uiomove(hpmp, dep, uio);
1025 if (uio->uio_resid < sizeof(struct dirent)) {
1027 dprintf(("[resid] "));
1034 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1036 printf("hpfs_readdir: ERROR! oLSN not found\n");
1044 while(!(dep->de_flag & DE_END)) {
1045 if(dep->de_flag & DE_DOWN) {
1046 lsn = DE_DOWNLSN(dep);
1052 if (!(dep->de_flag & DE_SPECIAL)) {
1054 if (uio->uio_resid < sizeof(struct dirent)) {
1056 dprintf(("[resid] "));
1060 error = hpfs_de_uiomove(hpmp, dep, uio);
1067 if (uio->uio_resid < sizeof(struct dirent)) {
1069 dprintf(("[resid] "));
1076 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1079 if(dep->de_flag & DE_DOWN) {
1080 dprintf(("[enddive] "));
1081 lsn = DE_DOWNLSN(dep);
1088 dprintf(("[EOB] "));
1094 dprintf(("[level %d] ", level));
1097 goto dive; /* undive really */
1099 if (ap->a_eofflag) {
1100 dprintf(("[EOF] "));
1105 dprintf(("[readdone]\n"));
1106 if (!error && ap->a_ncookies != NULL) {
1107 struct dirent* dpStart;
1109 #if defined(__FreeBSD__)
1112 #else /* defined(__NetBSD__) */
1117 dprintf(("%d cookies, ",ncookies));
1118 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1119 panic("hpfs_readdir: unexpected uio from NFS server");
1120 dpStart = (struct dirent *)
1121 ((caddr_t)uio->uio_iov->iov_base -
1122 (uio->uio_offset - off));
1123 #if defined(__FreeBSD__)
1124 MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
1126 #else /* defined(__NetBSD__) */
1127 MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
1130 for (dp = dpStart, cookiep = cookies, i=0;
1132 dp = (struct dirent *)((caddr_t) dp + dp->d_reclen), i++) {
1133 off += dp->d_reclen;
1134 *cookiep++ = (u_int) off;
1136 *ap->a_ncookies = ncookies;
1137 *ap->a_cookies = cookies;
1145 struct vop_lookup_args /* {
1146 struct vnode *a_dvp;
1147 struct vnode **a_vpp;
1148 struct componentname *a_cnp;
1151 register struct vnode *dvp = ap->a_dvp;
1152 register struct hpfsnode *dhp = VTOHP(dvp);
1153 struct hpfsmount *hpmp = dhp->h_hpmp;
1154 struct componentname *cnp = ap->a_cnp;
1155 struct ucred *cred = cnp->cn_cred;
1157 int nameiop = cnp->cn_nameiop;
1158 int flags = cnp->cn_flags;
1159 int lockparent = flags & LOCKPARENT;
1161 int wantparent = flags & (LOCKPARENT|WANTPARENT);
1163 dprintf(("hpfs_lookup(0x%x, %s, %ld, %d, %d): \n",
1164 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen,
1165 lockparent, wantparent));
1167 if (nameiop != CREATE && nameiop != DELETE && nameiop != LOOKUP) {
1168 printf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1169 return (EOPNOTSUPP);
1172 error = VOP_ACCESS(dvp, VEXEC, cred, cnp->cn_proc);
1176 if( (cnp->cn_namelen == 1) &&
1177 !strncmp(cnp->cn_nameptr,".",1) ) {
1178 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1184 } else if( (cnp->cn_namelen == 2) &&
1185 !strncmp(cnp->cn_nameptr,"..",2) && (flags & ISDOTDOT) ) {
1186 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1187 dhp->h_no, dhp->h_fn.fn_parent));
1189 VOP__UNLOCK(dvp,0,cnp->cn_proc);
1191 error = VFS_VGET(hpmp->hpm_mp,
1192 dhp->h_fn.fn_parent, ap->a_vpp);
1194 VOP__LOCK(dvp, 0, cnp->cn_proc);
1198 if( lockparent && (flags & ISLASTCN) &&
1199 (error = VOP__LOCK(dvp, 0, cnp->cn_proc)) ) {
1200 vput( *(ap->a_vpp) );
1206 struct hpfsdirent *dep;
1207 struct hpfsnode *hp;
1209 error = hpfs_genlookupbyname(dhp,
1210 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1212 if ((error == ENOENT) && (flags & ISLASTCN) &&
1213 (nameiop == CREATE || nameiop == RENAME)) {
1215 VOP__UNLOCK(dvp, 0, cnp->cn_proc);
1216 cnp->cn_flags |= SAVENAME;
1217 return (EJUSTRETURN);
1223 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1224 dep->de_fnode, dep->de_cpid));
1226 if (nameiop == DELETE && (flags & ISLASTCN)) {
1227 error = VOP_ACCESS(dvp, VWRITE, cred, cnp->cn_proc);
1234 if (dhp->h_no == dep->de_fnode) {
1241 error = VFS_VGET(hpmp->hpm_mp, dep->de_fnode, ap->a_vpp);
1243 printf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1248 hp = VTOHP(*ap->a_vpp);
1250 hp->h_mtime = dep->de_mtime;
1251 hp->h_ctime = dep->de_ctime;
1252 hp->h_atime = dep->de_atime;
1253 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1254 hp->h_name[dep->de_namelen] = '\0';
1255 hp->h_namelen = dep->de_namelen;
1256 hp->h_flag |= H_PARVALID;
1260 if(!lockparent || !(flags & ISLASTCN))
1261 VOP__UNLOCK(dvp, 0, cnp->cn_proc);
1262 if ((flags & MAKEENTRY) &&
1263 (!(flags & ISLASTCN) ||
1264 (nameiop != DELETE && nameiop != CREATE)))
1265 cache_enter(dvp, *ap->a_vpp, cnp);
1272 struct vop_remove_args /* {
1273 struct vnode *a_dvp;
1275 struct componentname *a_cnp;
1280 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1281 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1283 if (ap->a_vp->v_type == VDIR)
1286 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1292 struct vop_create_args /* {
1293 struct vnode *a_dvp;
1294 struct vnode **a_vpp;
1295 struct componentname *a_cnp;
1296 struct vattr *a_vap;
1301 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1302 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1304 if (!(ap->a_cnp->cn_flags & HASBUF))
1305 panic ("hpfs_create: no name\n");
1307 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1313 * Return POSIX pathconf information applicable to NTFS filesystem
1317 struct vop_pathconf_args /* {
1320 register_t *a_retval;
1323 switch (ap->a_name) {
1328 *ap->a_retval = HPFS_MAXFILENAME;
1331 *ap->a_retval = PATH_MAX;
1333 case _PC_CHOWN_RESTRICTED:
1339 #if defined(__NetBSD__)
1343 case _PC_FILESIZEBITS:
1355 * Global vfs data structures
1357 vop_t **hpfs_vnodeop_p;
1358 #if defined(__FreeBSD__)
1359 struct vnodeopv_entry_desc hpfs_vnodeop_entries[] = {
1360 { &vop_default_desc, (vop_t *)vop_defaultop },
1362 { &vop_getattr_desc, (vop_t *)hpfs_getattr },
1363 { &vop_setattr_desc, (vop_t *)hpfs_setattr },
1364 { &vop_inactive_desc, (vop_t *)hpfs_inactive },
1365 { &vop_reclaim_desc, (vop_t *)hpfs_reclaim },
1366 { &vop_print_desc, (vop_t *)hpfs_print },
1367 { &vop_create_desc, (vop_t *)hpfs_create },
1368 { &vop_remove_desc, (vop_t *)hpfs_remove },
1369 { &vop_islocked_desc, (vop_t *)vop_stdislocked },
1370 { &vop_unlock_desc, (vop_t *)vop_stdunlock },
1371 { &vop_lock_desc, (vop_t *)vop_stdlock },
1372 { &vop_cachedlookup_desc, (vop_t *)hpfs_lookup },
1373 { &vop_lookup_desc, (vop_t *)vfs_cache_lookup },
1374 { &vop_access_desc, (vop_t *)hpfs_access },
1375 { &vop_close_desc, (vop_t *)hpfs_close },
1376 { &vop_open_desc, (vop_t *)hpfs_open },
1377 { &vop_readdir_desc, (vop_t *)hpfs_readdir },
1378 { &vop_fsync_desc, (vop_t *)hpfs_fsync },
1379 { &vop_bmap_desc, (vop_t *)hpfs_bmap },
1380 { &vop_getpages_desc, (vop_t *) hpfs_getpages },
1381 { &vop_putpages_desc, (vop_t *) hpfs_putpages },
1382 { &vop_strategy_desc, (vop_t *)hpfs_strategy },
1383 { &vop_bwrite_desc, (vop_t *)vop_stdbwrite },
1384 { &vop_read_desc, (vop_t *)hpfs_read },
1385 { &vop_write_desc, (vop_t *)hpfs_write },
1386 { &vop_ioctl_desc, (vop_t *)hpfs_ioctl },
1387 { &vop_pathconf_desc, (vop_t *)hpfs_pathconf },
1392 struct vnodeopv_desc hpfs_vnodeop_opv_desc =
1393 { &hpfs_vnodeop_p, hpfs_vnodeop_entries };
1395 VNODEOP_SET(hpfs_vnodeop_opv_desc);
1396 #else /* defined(__NetBSD__) */
1397 struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
1398 { &vop_default_desc, (vop_t *) genfs_badop }, /* XXX */
1399 { &vop_lookup_desc, (vop_t *) hpfs_lookup }, /* lookup */
1400 { &vop_create_desc, genfs_eopnotsupp }, /* create */
1401 { &vop_mknod_desc, genfs_eopnotsupp }, /* mknod */
1402 { &vop_open_desc, (vop_t *) hpfs_open }, /* open */
1403 { &vop_close_desc,(vop_t *) hpfs_close }, /* close */
1404 { &vop_access_desc, (vop_t *) hpfs_access }, /* access */
1405 { &vop_getattr_desc, (vop_t *) hpfs_getattr }, /* getattr */
1406 { &vop_setattr_desc, genfs_eopnotsupp }, /* setattr */
1407 { &vop_read_desc, (vop_t *) hpfs_read }, /* read */
1408 { &vop_write_desc, (vop_t *) hpfs_write }, /* write */
1409 { &vop_lease_desc, genfs_lease_check }, /* lease */
1410 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1411 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
1412 { &vop_poll_desc, genfs_poll }, /* poll */
1413 { &vop_revoke_desc, genfs_revoke }, /* revoke */
1414 { &vop_mmap_desc, genfs_eopnotsupp }, /* mmap */
1415 { &vop_fsync_desc, genfs_fsync }, /* fsync */
1416 { &vop_seek_desc, genfs_seek }, /* seek */
1417 { &vop_remove_desc, genfs_eopnotsupp }, /* remove */
1418 { &vop_link_desc, genfs_eopnotsupp }, /* link */
1419 { &vop_rename_desc, genfs_eopnotsupp }, /* rename */
1420 { &vop_mkdir_desc, genfs_eopnotsupp }, /* mkdir */
1421 { &vop_rmdir_desc, genfs_eopnotsupp }, /* rmdir */
1422 { &vop_symlink_desc, genfs_eopnotsupp }, /* symlink */
1423 { &vop_readdir_desc, (vop_t *) hpfs_readdir }, /* readdir */
1424 { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */
1425 { &vop_abortop_desc, genfs_abortop }, /* abortop */
1426 { &vop_inactive_desc, (vop_t *) hpfs_inactive }, /* inactive */
1427 { &vop_reclaim_desc, (vop_t *) hpfs_reclaim }, /* reclaim */
1428 { &vop_lock_desc, genfs_lock }, /* lock */
1429 { &vop_unlock_desc, genfs_unlock }, /* unlock */
1430 { &vop_bmap_desc, (vop_t *) hpfs_bmap }, /* bmap */
1431 { &vop_strategy_desc, (vop_t *) hpfs_strategy }, /* strategy */
1432 { &vop_print_desc, (vop_t *) hpfs_print }, /* print */
1433 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1434 { &vop_pathconf_desc, hpfs_pathconf }, /* pathconf */
1435 { &vop_advlock_desc, genfs_nullop }, /* advlock */
1436 { &vop_blkatoff_desc, genfs_eopnotsupp }, /* blkatoff */
1437 { &vop_valloc_desc, genfs_eopnotsupp }, /* valloc */
1438 { &vop_reallocblks_desc, genfs_eopnotsupp }, /* reallocblks */
1439 { &vop_vfree_desc, genfs_eopnotsupp }, /* vfree */
1440 { &vop_truncate_desc, genfs_eopnotsupp }, /* truncate */
1441 { &vop_update_desc, genfs_eopnotsupp }, /* update */
1442 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */
1443 { (struct vnodeop_desc *)NULL, (int (*) __P((void *)))NULL }
1445 struct vnodeopv_desc ntfs_vnodeop_opv_desc =
1446 { &ntfs_vnodeop_p, ntfs_vnodeop_entries };