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 1.9 2003/08/20 09:56:32 rob 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>
59 #if !defined(__FreeBSD__)
60 #include <miscfs/specfs/specdev.h>
61 #include <miscfs/genfs/genfs.h>
64 #include <sys/unistd.h> /* for pathconf(2) constants */
67 #include "hpfsmount.h"
68 #include "hpfs_subr.h"
69 #include "hpfs_ioctl.h"
71 static int hpfs_de_uiomove (struct hpfsmount *, struct hpfsdirent *,
73 static int hpfs_ioctl (struct vop_ioctl_args *ap);
74 static int hpfs_read (struct vop_read_args *);
75 static int hpfs_write (struct vop_write_args *ap);
76 static int hpfs_getattr (struct vop_getattr_args *ap);
77 static int hpfs_setattr (struct vop_setattr_args *ap);
78 static int hpfs_inactive (struct vop_inactive_args *ap);
79 static int hpfs_print (struct vop_print_args *ap);
80 static int hpfs_reclaim (struct vop_reclaim_args *ap);
81 static int hpfs_strategy (struct vop_strategy_args *ap);
82 static int hpfs_access (struct vop_access_args *ap);
83 static int hpfs_open (struct vop_open_args *ap);
84 static int hpfs_close (struct vop_close_args *ap);
85 static int hpfs_readdir (struct vop_readdir_args *ap);
86 static int hpfs_lookup (struct vop_lookup_args *ap);
87 static int hpfs_create (struct vop_create_args *);
88 static int hpfs_remove (struct vop_remove_args *);
89 static int hpfs_bmap (struct vop_bmap_args *ap);
90 #if defined(__FreeBSD__)
91 static int hpfs_getpages (struct vop_getpages_args *ap);
92 static int hpfs_putpages (struct vop_putpages_args *);
93 static int hpfs_fsync (struct vop_fsync_args *ap);
95 static int hpfs_pathconf (struct vop_pathconf_args *ap);
97 #if defined(__FreeBSD__)
100 struct vop_getpages_args *ap;
102 return vnode_pager_generic_getpages(ap->a_vp, ap->a_m, ap->a_count,
108 struct vop_putpages_args *ap;
110 return vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count,
111 ap->a_sync, ap->a_rtvals);
116 struct vop_fsync_args /* {
118 struct ucred *a_cred;
123 struct vnode *vp = ap->a_vp;
125 struct buf *bp, *nbp;
128 * Flush all dirty buffers associated with a vnode.
132 for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
133 nbp = TAILQ_NEXT(bp, b_vnbufs);
134 if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT))
136 if ((bp->b_flags & B_DELWRI) == 0)
137 panic("hpfs_fsync: not dirty");
143 while (vp->v_numoutput) {
144 vp->v_flag |= VBWAIT;
145 (void) tsleep((caddr_t)&vp->v_numoutput, 0, "hpfsn", 0);
148 if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
149 vprint("hpfs_fsync: dirty", vp);
156 * Write out the on-disc version of the vnode.
158 return hpfs_update(VTOHP(vp));
165 struct vop_ioctl_args /* {
170 struct ucred *a_cred;
174 struct vnode *vp = ap->a_vp;
175 struct hpfsnode *hp = VTOHP(vp);
178 printf("hpfs_ioctl(0x%x, 0x%lx, 0x%p, 0x%x): ",
179 hp->h_no, ap->a_command, ap->a_data, ap->a_fflag);
181 switch (ap->a_command) {
182 case HPFSIOCGEANUM: {
189 if (hp->h_fn.fn_ealen > 0) {
190 eap = (struct ea *)&(hp->h_fn.fn_int);
193 while (passed < hp->h_fn.fn_ealen) {
195 printf("EAname: %s\n", EA_NAME(eap));
198 passed += sizeof(struct ea) +
199 eap->ea_namelen + 1 + eap->ea_vallen;
200 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
208 printf("%lu eas\n", eanum);
210 *(u_long *)ap->a_data = eanum;
219 printf("EA%ld\n", *(u_long *)ap->a_data);
222 if (hp->h_fn.fn_ealen > 0) {
223 eap = (struct ea *)&(hp->h_fn.fn_int);
227 while (passed < hp->h_fn.fn_ealen) {
228 printf("EAname: %s\n", EA_NAME(eap));
230 if (eanum == *(u_long *)ap->a_data) {
231 *(u_long *)ap->a_data =
232 eap->ea_namelen + 1 +
240 passed += sizeof(struct ea) +
241 eap->ea_namelen + 1 + eap->ea_vallen;
242 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
254 struct hpfs_rdea *rdeap;
257 rdeap = (struct hpfs_rdea *)ap->a_data;
258 printf("EA%ld\n", rdeap->ea_no);
261 if (hp->h_fn.fn_ealen > 0) {
262 eap = (struct ea *)&(hp->h_fn.fn_int);
266 while (passed < hp->h_fn.fn_ealen) {
267 printf("EAname: %s\n", EA_NAME(eap));
269 if (eanum == rdeap->ea_no) {
270 rdeap->ea_sz = eap->ea_namelen + 1 +
272 copyout(EA_NAME(eap),rdeap->ea_data,
279 passed += sizeof(struct ea) +
280 eap->ea_namelen + 1 + eap->ea_vallen;
281 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
298 * Map file offset to disk offset.
302 struct vop_bmap_args /* {
305 struct vnode **a_vpp;
311 struct hpfsnode *hp = VTOHP(ap->a_vp);
314 if (ap->a_vpp != NULL)
315 *ap->a_vpp = hp->h_devvp;
316 #if defined(__FreeBSD__)
317 if (ap->a_runb != NULL)
320 if (ap->a_bnp == NULL)
323 dprintf(("hpfs_bmap(0x%x, 0x%x): ",hp->h_no, ap->a_bn));
325 error = hpfs_hpbmap (hp, ap->a_bn, ap->a_bnp, ap->a_runp);
332 struct vop_read_args /* {
336 struct ucred *a_cred;
339 struct vnode *vp = ap->a_vp;
340 struct hpfsnode *hp = VTOHP(vp);
341 struct uio *uio = ap->a_uio;
343 u_int xfersz, toread;
350 resid = min (uio->uio_resid, hp->h_fn.fn_size - uio->uio_offset);
352 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));
355 lbn = uio->uio_offset >> DEV_BSHIFT;
356 off = uio->uio_offset & (DEV_BSIZE - 1);
357 dprintf(("hpfs_read: resid: 0x%x lbn: 0x%x off: 0x%x\n",
358 uio->uio_resid, lbn, off));
359 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
363 toread = min(off + resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
364 xfersz = (toread + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
365 dprintf(("hpfs_read: bn: 0x%x (0x%x) toread: 0x%x (0x%x)\n",
366 bn, runl, toread, xfersz));
371 error = bread(hp->h_devvp, bn, xfersz, &bp);
377 error = uiomove(bp->b_data + off, toread - off, uio);
385 dprintf(("hpfs_read: successful\n"));
391 struct vop_write_args /* {
395 struct ucred *a_cred;
398 struct vnode *vp = ap->a_vp;
399 struct hpfsnode *hp = VTOHP(vp);
400 struct uio *uio = ap->a_uio;
402 u_int xfersz, towrite;
408 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));
410 if (ap->a_ioflag & IO_APPEND) {
411 dprintf(("hpfs_write: APPEND mode\n"));
412 uio->uio_offset = hp->h_fn.fn_size;
414 if (uio->uio_offset + uio->uio_resid > hp->h_fn.fn_size) {
415 error = hpfs_extend (hp, uio->uio_offset + uio->uio_resid);
417 printf("hpfs_write: hpfs_extend FAILED %d\n", error);
422 while (uio->uio_resid) {
423 lbn = uio->uio_offset >> DEV_BSHIFT;
424 off = uio->uio_offset & (DEV_BSIZE - 1);
425 dprintf(("hpfs_write: resid: 0x%x lbn: 0x%x off: 0x%x\n",
426 uio->uio_resid, lbn, off));
427 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
431 towrite = min(off + uio->uio_resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
432 xfersz = (towrite + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
433 dprintf(("hpfs_write: bn: 0x%x (0x%x) towrite: 0x%x (0x%x)\n",
434 bn, runl, towrite, xfersz));
436 if ((off == 0) && (towrite == xfersz)) {
437 bp = getblk(hp->h_devvp, bn, xfersz, 0, 0);
440 error = bread(hp->h_devvp, bn, xfersz, &bp);
447 error = uiomove(bp->b_data + off, towrite - off, uio);
453 if (ap->a_ioflag & IO_SYNC)
459 dprintf(("hpfs_write: successful\n"));
464 * XXXXX do we need hpfsnode locking inside?
468 struct vop_getattr_args /* {
471 struct ucred *a_cred;
475 struct vnode *vp = ap->a_vp;
476 struct hpfsnode *hp = VTOHP(vp);
477 struct vattr *vap = ap->a_vap;
480 dprintf(("hpfs_getattr(0x%x):\n", hp->h_no));
482 #if defined(__FreeBSD__)
483 vap->va_fsid = dev2udev(hp->h_dev);
484 #else /* defined(__NetBSD__) */
485 vap->va_fsid = ip->i_dev;
487 vap->va_fileid = hp->h_no;
488 vap->va_mode = hp->h_mode;
490 vap->va_uid = hp->h_uid;
491 vap->va_gid = hp->h_gid;
492 vap->va_rdev = 0; /* XXX UNODEV ? */
493 vap->va_size = hp->h_fn.fn_size;
494 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
497 if (!(hp->h_flag & H_PARVALID)) {
498 error = hpfs_validateparent(hp);
502 vap->va_atime = hpfstimetounix(hp->h_atime);
503 vap->va_mtime = hpfstimetounix(hp->h_mtime);
504 vap->va_ctime = hpfstimetounix(hp->h_ctime);
508 vap->va_blocksize = DEV_BSIZE;
509 vap->va_type = vp->v_type;
516 * XXXXX do we need hpfsnode locking inside?
520 struct vop_setattr_args /* {
523 struct ucred *a_cred;
527 struct vnode *vp = ap->a_vp;
528 struct hpfsnode *hp = VTOHP(vp);
529 struct vattr *vap = ap->a_vap;
530 struct ucred *cred = ap->a_cred;
531 struct thread *td = ap->a_td;
534 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
537 * Check for unsettable attributes.
539 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
540 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
541 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
542 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
543 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
547 /* Can't change flags XXX Could be implemented */
548 if (vap->va_flags != VNOVAL) {
549 printf("hpfs_setattr: FLAGS CANNOT BE SET\n");
553 /* Can't change uid/gid XXX Could be implemented */
554 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
555 printf("hpfs_setattr: UID/GID CANNOT BE SET\n");
559 /* Can't change mode XXX Could be implemented */
560 if (vap->va_mode != (mode_t)VNOVAL) {
561 printf("hpfs_setattr: MODE CANNOT BE SET\n");
566 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
567 if (vp->v_mount->mnt_flag & MNT_RDONLY)
569 if (cred->cr_uid != hp->h_uid &&
570 (error = suser_cred(cred, PRISON_ROOT)) &&
571 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
572 (error = VOP_ACCESS(vp, VWRITE, cred, td))))
574 if (vap->va_atime.tv_sec != VNOVAL)
575 hp->h_atime = vap->va_atime.tv_sec;
576 if (vap->va_mtime.tv_sec != VNOVAL)
577 hp->h_mtime = vap->va_mtime.tv_sec;
579 hp->h_flag |= H_PARCHANGE;
582 if (vap->va_size != VNOVAL) {
583 switch (vp->v_type) {
587 if (vp->v_mount->mnt_flag & MNT_RDONLY)
591 printf("hpfs_setattr: WRONG v_type\n");
595 if (vap->va_size < hp->h_fn.fn_size) {
596 #if defined(__FreeBSD__)
597 error = vtruncbuf(vp, td, vap->va_size, DEV_BSIZE);
600 #else /* defined(__NetBSD__) */
601 #error Need alternation for vtruncbuf()
603 error = hpfs_truncate(hp, vap->va_size);
607 } else if (vap->va_size > hp->h_fn.fn_size) {
608 #if defined(__FreeBSD__)
609 vnode_pager_setsize(vp, vap->va_size);
611 error = hpfs_extend(hp, vap->va_size);
621 * Last reference to an node. If necessary, write or delete it.
625 struct vop_inactive_args /* {
629 struct vnode *vp = ap->a_vp;
630 struct hpfsnode *hp = VTOHP(vp);
633 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
635 if (hp->h_flag & H_CHANGE) {
636 dprintf(("hpfs_inactive: node changed, update\n"));
637 error = hpfs_update (hp);
642 if (hp->h_flag & H_PARCHANGE) {
643 dprintf(("hpfs_inactive: parent node changed, update\n"));
644 error = hpfs_updateparent (hp);
649 if (prtactive && vp->v_usecount != 0)
650 vprint("hpfs_inactive: pushing active", vp);
652 if (hp->h_flag & H_INVAL) {
653 VOP__UNLOCK(vp,0,ap->a_td);
654 #if defined(__FreeBSD__)
655 vrecycle(vp, NULL, ap->a_td);
656 #else /* defined(__NetBSD__) */
662 VOP__UNLOCK(vp,0,ap->a_td);
667 * Reclaim an inode so that it can be used for other purposes.
671 struct vop_reclaim_args /* {
675 struct vnode *vp = ap->a_vp;
676 struct hpfsnode *hp = VTOHP(vp);
678 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
682 /* Purge old data structures associated with the inode. */
698 struct vop_print_args /* {
702 struct vnode *vp = ap->a_vp;
703 struct hpfsnode *hp = VTOHP(vp);
705 printf("tag VT_HPFS, ino 0x%x",hp->h_no);
706 lockmgr_printinfo(&hp->h_lock);
712 * Calculate the logical to physical mapping if not done already,
713 * then call the device strategy routine.
715 * In order to be able to swap to a file, the VOP_BMAP operation may not
716 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
720 struct vop_strategy_args /* {
724 struct buf *bp = ap->a_bp;
725 struct vnode *vp = ap->a_vp;
729 dprintf(("hpfs_strategy(): \n"));
731 if (vp->v_type == VBLK || vp->v_type == VCHR)
732 panic("hpfs_strategy: spec");
733 if (bp->b_blkno == bp->b_lblkno) {
734 error = VOP_BMAP(vp, bp->b_lblkno, &nvp, &bp->b_blkno, NULL, NULL);
736 printf("hpfs_strategy: VOP_BMAP FAILED %d\n", error);
738 bp->b_flags |= B_ERROR;
742 if ((long)bp->b_blkno == -1)
745 if ((long)bp->b_blkno == -1) {
749 bp->b_dev = nvp->v_rdev;
750 VOP_STRATEGY(nvp, bp);
755 * XXXXX do we need hpfsnode locking inside?
759 struct vop_access_args /* {
762 struct ucred *a_cred;
766 struct vnode *vp = ap->a_vp;
767 struct hpfsnode *hp = VTOHP(vp);
768 struct ucred *cred = ap->a_cred;
769 mode_t mask, mode = ap->a_mode;
773 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
776 * Disallow write attempts on read-only file systems;
777 * unless the file is a socket, fifo, or a block or
778 * character device resident on the file system.
781 switch ((int)vp->v_type) {
785 if (vp->v_mount->mnt_flag & MNT_RDONLY)
791 /* Otherwise, user id 0 always gets access. */
792 if (cred->cr_uid == 0)
797 /* Otherwise, check the owner. */
798 if (cred->cr_uid == hp->h_uid) {
805 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
808 /* Otherwise, check the groups. */
809 for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++)
810 if (hp->h_gid == *gp) {
817 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
820 /* Otherwise, check everyone else. */
827 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
838 struct vop_open_args /* {
841 struct ucred *a_cred;
846 struct vnode *vp = ap->a_vp;
847 struct hpfsnode *hp = VTOHP(vp);
849 printf("hpfs_open(0x%x):\n",hp->h_no);
853 * Files marked append-only must be opened for appending.
862 * Update the times on the inode.
867 struct vop_close_args /* {
870 struct ucred *a_cred;
875 struct vnode *vp = ap->a_vp;
876 struct hpfsnode *hp = VTOHP(vp);
878 printf("hpfs_close: %d\n",hp->h_no);
886 struct hpfsmount *hpmp,
887 struct hpfsdirent *dep,
893 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
894 dep->de_fnode, dep->de_size, dep->de_namelen,
895 dep->de_namelen, dep->de_name, dep->de_flag));
897 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
898 for (i=0; i<dep->de_namelen; i++)
899 cde.d_name[i] = hpfs_d2u(hpmp, dep->de_name[i]);
901 cde.d_name[dep->de_namelen] = '\0';
902 cde.d_namlen = dep->de_namelen;
903 cde.d_fileno = dep->de_fnode;
904 cde.d_type = (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG;
905 cde.d_reclen = sizeof(struct dirent);
907 error = uiomove((char *)&cde, sizeof(struct dirent), uio);
911 dprintf(("[0x%x] ", uio->uio_resid));
916 static struct dirent hpfs_de_dot =
917 { 0, sizeof(struct dirent), DT_DIR, 1, "." };
918 static struct dirent hpfs_de_dotdot =
919 { 0, sizeof(struct dirent), DT_DIR, 2, ".." };
922 struct vop_readdir_args /* {
925 struct ucred *a_cred;
930 struct vnode *vp = ap->a_vp;
931 struct hpfsnode *hp = VTOHP(vp);
932 struct hpfsmount *hpmp = hp->h_hpmp;
933 struct uio *uio = ap->a_uio;
934 int ncookies = 0, i, num, cnum;
939 struct hpfsdirent *dep;
944 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
946 off = uio->uio_offset;
948 if( uio->uio_offset < sizeof(struct dirent) ) {
949 dprintf((". faked, "));
950 hpfs_de_dot.d_fileno = hp->h_no;
951 error = uiomove((char *)&hpfs_de_dot,sizeof(struct dirent),uio);
959 if( uio->uio_offset < 2 * sizeof(struct dirent) ) {
960 dprintf((".. faked, "));
961 hpfs_de_dotdot.d_fileno = hp->h_fn.fn_parent;
963 error = uiomove((char *)&hpfs_de_dotdot, sizeof(struct dirent),
972 num = uio->uio_offset / sizeof(struct dirent) - 2;
975 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
981 dprintf(("[dive 0x%x] ", lsn));
982 error = bread(hp->h_devvp, lsn, D_BSIZE, &bp);
988 dp = (struct dirblk *) bp->b_data;
989 if (dp->d_magic != D_MAGIC) {
990 printf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
998 dprintf(("[restore 0x%x] ", olsn));
1000 while(!(dep->de_flag & DE_END) ) {
1001 if((dep->de_flag & DE_DOWN) &&
1002 (olsn == DE_DOWNLSN(dep)))
1004 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1007 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
1008 if (dep->de_flag & DE_END)
1011 if (!(dep->de_flag & DE_SPECIAL)) {
1013 if (uio->uio_resid < sizeof(struct dirent)) {
1015 dprintf(("[resid] "));
1019 error = hpfs_de_uiomove(hpmp, dep, uio);
1026 if (uio->uio_resid < sizeof(struct dirent)) {
1028 dprintf(("[resid] "));
1035 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1037 printf("hpfs_readdir: ERROR! oLSN not found\n");
1045 while(!(dep->de_flag & DE_END)) {
1046 if(dep->de_flag & DE_DOWN) {
1047 lsn = DE_DOWNLSN(dep);
1053 if (!(dep->de_flag & DE_SPECIAL)) {
1055 if (uio->uio_resid < sizeof(struct dirent)) {
1057 dprintf(("[resid] "));
1061 error = hpfs_de_uiomove(hpmp, dep, uio);
1068 if (uio->uio_resid < sizeof(struct dirent)) {
1070 dprintf(("[resid] "));
1077 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1080 if(dep->de_flag & DE_DOWN) {
1081 dprintf(("[enddive] "));
1082 lsn = DE_DOWNLSN(dep);
1089 dprintf(("[EOB] "));
1095 dprintf(("[level %d] ", level));
1098 goto dive; /* undive really */
1100 if (ap->a_eofflag) {
1101 dprintf(("[EOF] "));
1106 dprintf(("[readdone]\n"));
1107 if (!error && ap->a_ncookies != NULL) {
1108 struct dirent* dpStart;
1110 #if defined(__FreeBSD__)
1113 #else /* defined(__NetBSD__) */
1118 dprintf(("%d cookies, ",ncookies));
1119 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1120 panic("hpfs_readdir: unexpected uio from NFS server");
1121 dpStart = (struct dirent *)
1122 ((caddr_t)uio->uio_iov->iov_base -
1123 (uio->uio_offset - off));
1124 #if defined(__FreeBSD__)
1125 MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
1127 #else /* defined(__NetBSD__) */
1128 MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
1131 for (dp = dpStart, cookiep = cookies, i=0;
1133 dp = (struct dirent *)((caddr_t) dp + dp->d_reclen), i++) {
1134 off += dp->d_reclen;
1135 *cookiep++ = (u_int) off;
1137 *ap->a_ncookies = ncookies;
1138 *ap->a_cookies = cookies;
1146 struct vop_lookup_args /* {
1147 struct vnode *a_dvp;
1148 struct vnode **a_vpp;
1149 struct componentname *a_cnp;
1152 struct vnode *dvp = ap->a_dvp;
1153 struct hpfsnode *dhp = VTOHP(dvp);
1154 struct hpfsmount *hpmp = dhp->h_hpmp;
1155 struct componentname *cnp = ap->a_cnp;
1156 struct ucred *cred = cnp->cn_cred;
1158 int nameiop = cnp->cn_nameiop;
1159 int flags = cnp->cn_flags;
1160 int lockparent = flags & LOCKPARENT;
1162 int wantparent = flags & (LOCKPARENT|WANTPARENT);
1164 dprintf(("hpfs_lookup(0x%x, %s, %ld, %d, %d): \n",
1165 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen,
1166 lockparent, wantparent));
1168 if (nameiop != CREATE && nameiop != DELETE && nameiop != LOOKUP) {
1169 printf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1170 return (EOPNOTSUPP);
1173 error = VOP_ACCESS(dvp, VEXEC, cred, cnp->cn_td);
1177 if( (cnp->cn_namelen == 1) &&
1178 !strncmp(cnp->cn_nameptr,".",1) ) {
1179 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1185 } else if( (cnp->cn_namelen == 2) &&
1186 !strncmp(cnp->cn_nameptr,"..",2) && (flags & ISDOTDOT) ) {
1187 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1188 dhp->h_no, dhp->h_fn.fn_parent));
1190 VOP__UNLOCK(dvp,0,cnp->cn_td);
1192 error = VFS_VGET(hpmp->hpm_mp,
1193 dhp->h_fn.fn_parent, ap->a_vpp);
1195 VOP__LOCK(dvp, 0, cnp->cn_td);
1199 if( lockparent && (flags & ISLASTCN) &&
1200 (error = VOP__LOCK(dvp, 0, cnp->cn_td)) ) {
1201 vput( *(ap->a_vpp) );
1207 struct hpfsdirent *dep;
1208 struct hpfsnode *hp;
1210 error = hpfs_genlookupbyname(dhp,
1211 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1213 if ((error == ENOENT) && (flags & ISLASTCN) &&
1214 (nameiop == CREATE || nameiop == RENAME)) {
1216 VOP__UNLOCK(dvp, 0, cnp->cn_td);
1217 cnp->cn_flags |= SAVENAME;
1218 return (EJUSTRETURN);
1224 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1225 dep->de_fnode, dep->de_cpid));
1227 if (nameiop == DELETE && (flags & ISLASTCN)) {
1228 error = VOP_ACCESS(dvp, VWRITE, cred, cnp->cn_td);
1235 if (dhp->h_no == dep->de_fnode) {
1242 error = VFS_VGET(hpmp->hpm_mp, dep->de_fnode, ap->a_vpp);
1244 printf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1249 hp = VTOHP(*ap->a_vpp);
1251 hp->h_mtime = dep->de_mtime;
1252 hp->h_ctime = dep->de_ctime;
1253 hp->h_atime = dep->de_atime;
1254 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1255 hp->h_name[dep->de_namelen] = '\0';
1256 hp->h_namelen = dep->de_namelen;
1257 hp->h_flag |= H_PARVALID;
1261 if(!lockparent || !(flags & ISLASTCN))
1262 VOP__UNLOCK(dvp, 0, cnp->cn_td);
1263 if ((flags & MAKEENTRY) &&
1264 (!(flags & ISLASTCN) ||
1265 (nameiop != DELETE && nameiop != CREATE)))
1266 cache_enter(dvp, *ap->a_vpp, cnp);
1273 struct vop_remove_args /* {
1274 struct vnode *a_dvp;
1276 struct componentname *a_cnp;
1281 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1282 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1284 if (ap->a_vp->v_type == VDIR)
1287 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1293 struct vop_create_args /* {
1294 struct vnode *a_dvp;
1295 struct vnode **a_vpp;
1296 struct componentname *a_cnp;
1297 struct vattr *a_vap;
1302 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1303 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1305 if (!(ap->a_cnp->cn_flags & HASBUF))
1306 panic ("hpfs_create: no name\n");
1308 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1314 * Return POSIX pathconf information applicable to NTFS filesystem
1318 struct vop_pathconf_args /* {
1324 switch (ap->a_name) {
1329 *ap->a_retval = HPFS_MAXFILENAME;
1332 *ap->a_retval = PATH_MAX;
1334 case _PC_CHOWN_RESTRICTED:
1340 #if defined(__NetBSD__)
1344 case _PC_FILESIZEBITS:
1356 * Global vfs data structures
1358 vop_t **hpfs_vnodeop_p;
1359 #if defined(__FreeBSD__)
1360 struct vnodeopv_entry_desc hpfs_vnodeop_entries[] = {
1361 { &vop_default_desc, (vop_t *)vop_defaultop },
1363 { &vop_getattr_desc, (vop_t *)hpfs_getattr },
1364 { &vop_setattr_desc, (vop_t *)hpfs_setattr },
1365 { &vop_inactive_desc, (vop_t *)hpfs_inactive },
1366 { &vop_reclaim_desc, (vop_t *)hpfs_reclaim },
1367 { &vop_print_desc, (vop_t *)hpfs_print },
1368 { &vop_create_desc, (vop_t *)hpfs_create },
1369 { &vop_remove_desc, (vop_t *)hpfs_remove },
1370 { &vop_islocked_desc, (vop_t *)vop_stdislocked },
1371 { &vop_unlock_desc, (vop_t *)vop_stdunlock },
1372 { &vop_lock_desc, (vop_t *)vop_stdlock },
1373 { &vop_cachedlookup_desc, (vop_t *)hpfs_lookup },
1374 { &vop_lookup_desc, (vop_t *)vfs_cache_lookup },
1375 { &vop_access_desc, (vop_t *)hpfs_access },
1376 { &vop_close_desc, (vop_t *)hpfs_close },
1377 { &vop_open_desc, (vop_t *)hpfs_open },
1378 { &vop_readdir_desc, (vop_t *)hpfs_readdir },
1379 { &vop_fsync_desc, (vop_t *)hpfs_fsync },
1380 { &vop_bmap_desc, (vop_t *)hpfs_bmap },
1381 { &vop_getpages_desc, (vop_t *) hpfs_getpages },
1382 { &vop_putpages_desc, (vop_t *) hpfs_putpages },
1383 { &vop_strategy_desc, (vop_t *)hpfs_strategy },
1384 { &vop_bwrite_desc, (vop_t *)vop_stdbwrite },
1385 { &vop_read_desc, (vop_t *)hpfs_read },
1386 { &vop_write_desc, (vop_t *)hpfs_write },
1387 { &vop_ioctl_desc, (vop_t *)hpfs_ioctl },
1388 { &vop_pathconf_desc, (vop_t *)hpfs_pathconf },
1393 struct vnodeopv_desc hpfs_vnodeop_opv_desc =
1394 { &hpfs_vnodeop_p, hpfs_vnodeop_entries };
1396 VNODEOP_SET(hpfs_vnodeop_opv_desc);
1397 #else /* defined(__NetBSD__) */
1398 struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
1399 { &vop_default_desc, (vop_t *) genfs_badop }, /* XXX */
1400 { &vop_lookup_desc, (vop_t *) hpfs_lookup }, /* lookup */
1401 { &vop_create_desc, genfs_eopnotsupp }, /* create */
1402 { &vop_mknod_desc, genfs_eopnotsupp }, /* mknod */
1403 { &vop_open_desc, (vop_t *) hpfs_open }, /* open */
1404 { &vop_close_desc,(vop_t *) hpfs_close }, /* close */
1405 { &vop_access_desc, (vop_t *) hpfs_access }, /* access */
1406 { &vop_getattr_desc, (vop_t *) hpfs_getattr }, /* getattr */
1407 { &vop_setattr_desc, genfs_eopnotsupp }, /* setattr */
1408 { &vop_read_desc, (vop_t *) hpfs_read }, /* read */
1409 { &vop_write_desc, (vop_t *) hpfs_write }, /* write */
1410 { &vop_lease_desc, genfs_lease_check }, /* lease */
1411 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1412 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
1413 { &vop_poll_desc, genfs_poll }, /* poll */
1414 { &vop_revoke_desc, genfs_revoke }, /* revoke */
1415 { &vop_mmap_desc, genfs_eopnotsupp }, /* mmap */
1416 { &vop_fsync_desc, genfs_fsync }, /* fsync */
1417 { &vop_seek_desc, genfs_seek }, /* seek */
1418 { &vop_remove_desc, genfs_eopnotsupp }, /* remove */
1419 { &vop_link_desc, genfs_eopnotsupp }, /* link */
1420 { &vop_rename_desc, genfs_eopnotsupp }, /* rename */
1421 { &vop_mkdir_desc, genfs_eopnotsupp }, /* mkdir */
1422 { &vop_rmdir_desc, genfs_eopnotsupp }, /* rmdir */
1423 { &vop_symlink_desc, genfs_eopnotsupp }, /* symlink */
1424 { &vop_readdir_desc, (vop_t *) hpfs_readdir }, /* readdir */
1425 { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */
1426 { &vop_abortop_desc, genfs_abortop }, /* abortop */
1427 { &vop_inactive_desc, (vop_t *) hpfs_inactive }, /* inactive */
1428 { &vop_reclaim_desc, (vop_t *) hpfs_reclaim }, /* reclaim */
1429 { &vop_lock_desc, genfs_lock }, /* lock */
1430 { &vop_unlock_desc, genfs_unlock }, /* unlock */
1431 { &vop_bmap_desc, (vop_t *) hpfs_bmap }, /* bmap */
1432 { &vop_strategy_desc, (vop_t *) hpfs_strategy }, /* strategy */
1433 { &vop_print_desc, (vop_t *) hpfs_print }, /* print */
1434 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1435 { &vop_pathconf_desc, hpfs_pathconf }, /* pathconf */
1436 { &vop_advlock_desc, genfs_nullop }, /* advlock */
1437 { &vop_blkatoff_desc, genfs_eopnotsupp }, /* blkatoff */
1438 { &vop_valloc_desc, genfs_eopnotsupp }, /* valloc */
1439 { &vop_reallocblks_desc, genfs_eopnotsupp }, /* reallocblks */
1440 { &vop_vfree_desc, genfs_eopnotsupp }, /* vfree */
1441 { &vop_truncate_desc, genfs_eopnotsupp }, /* truncate */
1442 { &vop_update_desc, genfs_eopnotsupp }, /* update */
1443 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */
1444 { (struct vnodeop_desc *)NULL, (int (*) (void *))NULL }
1446 struct vnodeopv_desc ntfs_vnodeop_opv_desc =
1447 { &ntfs_vnodeop_p, ntfs_vnodeop_entries };