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 1.30 2006/03/24 18:35:33 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>
44 #include <machine/limits.h>
47 #include <vm/vm_param.h>
48 #if !defined(__DragonFly__)
49 #include <vm/vm_prot.h>
51 #include <vm/vm_page.h>
52 #include <vm/vm_object.h>
53 #include <vm/vm_pager.h>
54 #include <vm/vm_zone.h>
55 #if defined(__DragonFly__)
56 #include <vm/vnode_pager.h>
58 #include <vm/vm_extern.h>
61 #if !defined(__DragonFly__)
62 #include <miscfs/specfs/specdev.h>
63 #include <miscfs/genfs/genfs.h>
66 #include <sys/unistd.h> /* for pathconf(2) constants */
69 #include "hpfsmount.h"
70 #include "hpfs_subr.h"
71 #include "hpfs_ioctl.h"
73 static int hpfs_de_uiomove (int *, struct hpfsmount *,
74 struct hpfsdirent *, struct uio *);
75 static int hpfs_ioctl (struct vop_ioctl_args *ap);
76 static int hpfs_read (struct vop_read_args *);
77 static int hpfs_write (struct vop_write_args *ap);
78 static int hpfs_getattr (struct vop_getattr_args *ap);
79 static int hpfs_setattr (struct vop_setattr_args *ap);
80 static int hpfs_inactive (struct vop_inactive_args *ap);
81 static int hpfs_print (struct vop_print_args *ap);
82 static int hpfs_reclaim (struct vop_reclaim_args *ap);
83 static int hpfs_strategy (struct vop_strategy_args *ap);
84 static int hpfs_access (struct vop_access_args *ap);
85 static int hpfs_open (struct vop_open_args *ap);
86 static int hpfs_close (struct vop_close_args *ap);
87 static int hpfs_readdir (struct vop_readdir_args *ap);
88 static int hpfs_lookup (struct vop_old_lookup_args *ap);
89 static int hpfs_create (struct vop_old_create_args *);
90 static int hpfs_remove (struct vop_old_remove_args *);
91 static int hpfs_bmap (struct vop_bmap_args *ap);
92 #if defined(__DragonFly__)
93 static int hpfs_getpages (struct vop_getpages_args *ap);
94 static int hpfs_putpages (struct vop_putpages_args *);
95 static int hpfs_fsync (struct vop_fsync_args *ap);
97 static int hpfs_pathconf (struct vop_pathconf_args *ap);
99 #if defined(__DragonFly__)
101 hpfs_getpages(struct vop_getpages_args *ap)
103 return vnode_pager_generic_getpages(ap->a_vp, ap->a_m, ap->a_count,
108 hpfs_putpages(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);
115 * hpfs_fsync(struct vnode *a_vp, struct ucred *a_cred, int a_waitfor,
119 hpfs_fsync(struct vop_fsync_args *ap)
121 struct vnode *vp = ap->a_vp;
124 * Flush all dirty buffers associated with a vnode.
129 vfsync(vp, ap->a_waitfor, 0, NOOFFSET, NULL, NULL);
131 if (ap->a_waitfor == MNT_WAIT && !RB_EMPTY(&vp->v_rbdirty_tree)) {
132 vprint("hpfs_fsync: dirty", vp);
138 * Write out the on-disc version of the vnode.
140 return hpfs_update(VTOHP(vp));
146 * hpfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
147 * int a_fflag, struct ucred *a_cred, struct proc *a_td)
150 hpfs_ioctl(struct vop_ioctl_args *ap)
152 struct vnode *vp = ap->a_vp;
153 struct hpfsnode *hp = VTOHP(vp);
156 printf("hpfs_ioctl(0x%x, 0x%lx, 0x%p, 0x%x): ",
157 hp->h_no, ap->a_command, ap->a_data, ap->a_fflag);
159 switch (ap->a_command) {
160 case HPFSIOCGEANUM: {
167 if (hp->h_fn.fn_ealen > 0) {
168 eap = (struct ea *)&(hp->h_fn.fn_int);
171 while (passed < hp->h_fn.fn_ealen) {
173 printf("EAname: %s\n", EA_NAME(eap));
176 passed += sizeof(struct ea) +
177 eap->ea_namelen + 1 + eap->ea_vallen;
178 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
186 printf("%lu eas\n", eanum);
188 *(u_long *)ap->a_data = eanum;
197 printf("EA%ld\n", *(u_long *)ap->a_data);
200 if (hp->h_fn.fn_ealen > 0) {
201 eap = (struct ea *)&(hp->h_fn.fn_int);
205 while (passed < hp->h_fn.fn_ealen) {
206 printf("EAname: %s\n", EA_NAME(eap));
208 if (eanum == *(u_long *)ap->a_data) {
209 *(u_long *)ap->a_data =
210 eap->ea_namelen + 1 +
218 passed += sizeof(struct ea) +
219 eap->ea_namelen + 1 + eap->ea_vallen;
220 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
232 struct hpfs_rdea *rdeap;
235 rdeap = (struct hpfs_rdea *)ap->a_data;
236 printf("EA%ld\n", rdeap->ea_no);
239 if (hp->h_fn.fn_ealen > 0) {
240 eap = (struct ea *)&(hp->h_fn.fn_int);
244 while (passed < hp->h_fn.fn_ealen) {
245 printf("EAname: %s\n", EA_NAME(eap));
247 if (eanum == rdeap->ea_no) {
248 rdeap->ea_sz = eap->ea_namelen + 1 +
250 copyout(EA_NAME(eap),rdeap->ea_data,
257 passed += sizeof(struct ea) +
258 eap->ea_namelen + 1 + eap->ea_vallen;
259 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
276 * Map file offset to disk offset.
278 * hpfs_bmap(struct vnode *a_vp, off_t a_loffset, struct vnode **a_vpp,
279 * off_t *a_doffsetp, int *a_runp, int *a_runb)
282 hpfs_bmap(struct vop_bmap_args *ap)
284 struct hpfsnode *hp = VTOHP(ap->a_vp);
289 if (ap->a_vpp != NULL)
290 *ap->a_vpp = hp->h_devvp;
291 if (ap->a_runb != NULL)
293 if (ap->a_doffsetp == NULL)
296 dprintf(("hpfs_bmap(0x%x, 0x%x): ",hp->h_no, ap->a_bn));
298 lbn = ap->a_loffset >> DEV_BSHIFT;
299 KKASSERT(((int)ap->a_loffset & DEV_BMASK) == 0);
301 error = hpfs_hpbmap (hp, lbn, &dbn, ap->a_runp);
302 if (error || dbn == (daddr_t)-1) {
303 *ap->a_doffsetp = NOOFFSET;
305 *ap->a_doffsetp = (off_t)dbn << DEV_BSHIFT;
311 * hpfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
312 * struct ucred *a_cred)
315 hpfs_read(struct vop_read_args *ap)
317 struct vnode *vp = ap->a_vp;
318 struct hpfsnode *hp = VTOHP(vp);
319 struct uio *uio = ap->a_uio;
321 u_int xfersz, toread;
328 resid = min (uio->uio_resid, hp->h_fn.fn_size - uio->uio_offset);
330 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));
333 lbn = uio->uio_offset >> DEV_BSHIFT;
334 off = uio->uio_offset & (DEV_BSIZE - 1);
335 dprintf(("hpfs_read: resid: 0x%x lbn: 0x%x off: 0x%x\n",
336 uio->uio_resid, lbn, off));
337 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
341 toread = min(off + resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
342 xfersz = (toread + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
343 dprintf(("hpfs_read: bn: 0x%x (0x%x) toread: 0x%x (0x%x)\n",
344 bn, runl, toread, xfersz));
349 error = bread(hp->h_devvp, dbtodoff(bn), xfersz, &bp);
355 error = uiomove(bp->b_data + off, toread - off, uio);
363 dprintf(("hpfs_read: successful\n"));
368 * hpfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
369 * struct ucred *a_cred)
372 hpfs_write(struct vop_write_args *ap)
374 struct vnode *vp = ap->a_vp;
375 struct hpfsnode *hp = VTOHP(vp);
376 struct uio *uio = ap->a_uio;
378 u_int xfersz, towrite;
384 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));
386 if (ap->a_ioflag & IO_APPEND) {
387 dprintf(("hpfs_write: APPEND mode\n"));
388 uio->uio_offset = hp->h_fn.fn_size;
390 if (uio->uio_offset + uio->uio_resid > hp->h_fn.fn_size) {
391 error = hpfs_extend (hp, uio->uio_offset + uio->uio_resid);
393 printf("hpfs_write: hpfs_extend FAILED %d\n", error);
398 while (uio->uio_resid) {
399 lbn = uio->uio_offset >> DEV_BSHIFT;
400 off = uio->uio_offset & (DEV_BSIZE - 1);
401 dprintf(("hpfs_write: resid: 0x%x lbn: 0x%x off: 0x%x\n",
402 uio->uio_resid, lbn, off));
403 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
407 towrite = min(off + uio->uio_resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
408 xfersz = (towrite + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
409 dprintf(("hpfs_write: bn: 0x%x (0x%x) towrite: 0x%x (0x%x)\n",
410 bn, runl, towrite, xfersz));
412 if ((off == 0) && (towrite == xfersz)) {
413 bp = getblk(hp->h_devvp, dbtodoff(bn), xfersz, 0, 0);
416 error = bread(hp->h_devvp, dbtodoff(bn), xfersz, &bp);
423 error = uiomove(bp->b_data + off, towrite - off, uio);
429 if (ap->a_ioflag & IO_SYNC)
435 dprintf(("hpfs_write: successful\n"));
440 * XXXXX do we need hpfsnode locking inside?
442 * hpfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
446 hpfs_getattr(struct vop_getattr_args *ap)
448 struct vnode *vp = ap->a_vp;
449 struct hpfsnode *hp = VTOHP(vp);
450 struct vattr *vap = ap->a_vap;
453 dprintf(("hpfs_getattr(0x%x):\n", hp->h_no));
455 #if defined(__DragonFly__)
456 vap->va_fsid = dev2udev(hp->h_dev);
457 #else /* defined(__NetBSD__) */
458 vap->va_fsid = ip->i_dev;
460 vap->va_fileid = hp->h_no;
461 vap->va_mode = hp->h_mode;
463 vap->va_uid = hp->h_uid;
464 vap->va_gid = hp->h_gid;
465 vap->va_rdev = 0; /* XXX UNODEV ? */
466 vap->va_size = hp->h_fn.fn_size;
467 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
470 if (!(hp->h_flag & H_PARVALID)) {
471 error = hpfs_validateparent(hp);
475 vap->va_atime = hpfstimetounix(hp->h_atime);
476 vap->va_mtime = hpfstimetounix(hp->h_mtime);
477 vap->va_ctime = hpfstimetounix(hp->h_ctime);
481 vap->va_blocksize = DEV_BSIZE;
482 vap->va_type = vp->v_type;
489 * XXXXX do we need hpfsnode locking inside?
491 * hpfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
492 * struct thread *a_td)
495 hpfs_setattr(struct vop_setattr_args *ap)
497 struct vnode *vp = ap->a_vp;
498 struct hpfsnode *hp = VTOHP(vp);
499 struct vattr *vap = ap->a_vap;
500 struct ucred *cred = ap->a_cred;
501 struct thread *td = ap->a_td;
504 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
507 * Check for unsettable attributes.
509 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
510 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
511 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
512 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
513 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
517 /* Can't change flags XXX Could be implemented */
518 if (vap->va_flags != VNOVAL) {
519 printf("hpfs_setattr: FLAGS CANNOT BE SET\n");
523 /* Can't change uid/gid XXX Could be implemented */
524 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
525 printf("hpfs_setattr: UID/GID CANNOT BE SET\n");
529 /* Can't change mode XXX Could be implemented */
530 if (vap->va_mode != (mode_t)VNOVAL) {
531 printf("hpfs_setattr: MODE CANNOT BE SET\n");
536 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
537 if (vp->v_mount->mnt_flag & MNT_RDONLY)
539 if (cred->cr_uid != hp->h_uid &&
540 (error = suser_cred(cred, PRISON_ROOT)) &&
541 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
542 (error = VOP_ACCESS(vp, VWRITE, cred, td))))
544 if (vap->va_atime.tv_sec != VNOVAL)
545 hp->h_atime = vap->va_atime.tv_sec;
546 if (vap->va_mtime.tv_sec != VNOVAL)
547 hp->h_mtime = vap->va_mtime.tv_sec;
549 hp->h_flag |= H_PARCHANGE;
552 if (vap->va_size != VNOVAL) {
553 switch (vp->v_type) {
557 if (vp->v_mount->mnt_flag & MNT_RDONLY)
561 printf("hpfs_setattr: WRONG v_type\n");
565 if (vap->va_size < hp->h_fn.fn_size) {
566 #if defined(__DragonFly__)
567 error = vtruncbuf(vp, td, vap->va_size, DEV_BSIZE);
570 #else /* defined(__NetBSD__) */
571 #error Need alternation for vtruncbuf()
573 error = hpfs_truncate(hp, vap->va_size);
577 } else if (vap->va_size > hp->h_fn.fn_size) {
578 #if defined(__DragonFly__)
579 vnode_pager_setsize(vp, vap->va_size);
581 error = hpfs_extend(hp, vap->va_size);
591 * Last reference to an node. If necessary, write or delete it.
593 * hpfs_inactive(struct vnode *a_vp)
596 hpfs_inactive(struct vop_inactive_args *ap)
598 struct vnode *vp = ap->a_vp;
599 struct hpfsnode *hp = VTOHP(vp);
602 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
604 if (hp->h_flag & H_CHANGE) {
605 dprintf(("hpfs_inactive: node changed, update\n"));
606 error = hpfs_update (hp);
611 if (hp->h_flag & H_PARCHANGE) {
612 dprintf(("hpfs_inactive: parent node changed, update\n"));
613 error = hpfs_updateparent (hp);
618 if (prtactive && vp->v_usecount != 0)
619 vprint("hpfs_inactive: pushing active", vp);
621 if (hp->h_flag & H_INVAL) {
622 #if defined(__DragonFly__)
623 vrecycle(vp, ap->a_td);
624 #else /* defined(__NetBSD__) */
633 * Reclaim an inode so that it can be used for other purposes.
635 * hpfs_reclaim(struct vnode *a_vp)
638 hpfs_reclaim(struct vop_reclaim_args *ap)
640 struct vnode *vp = ap->a_vp;
641 struct hpfsnode *hp = VTOHP(vp);
643 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
647 /* Purge old data structures associated with the inode. */
661 * hpfs_print(struct vnode *a_vp)
664 hpfs_print(struct vop_print_args *ap)
666 struct vnode *vp = ap->a_vp;
667 struct hpfsnode *hp = VTOHP(vp);
669 printf("tag VT_HPFS, ino 0x%x",hp->h_no);
670 lockmgr_printinfo(&vp->v_lock);
676 * Calculate the logical to physical mapping if not done already,
677 * then call the device strategy routine.
679 * In order to be able to swap to a file, the VOP_BMAP operation may not
680 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
682 * hpfs_strategy(struct vnode *a_vp, struct bio *a_bio)
685 hpfs_strategy(struct vop_strategy_args *ap)
687 struct bio *bio = ap->a_bio;
689 struct buf *bp = bio->bio_buf;
690 struct vnode *vp = ap->a_vp;
694 dprintf(("hpfs_strategy(): \n"));
696 if (vp->v_type == VBLK || vp->v_type == VCHR)
697 panic("hpfs_strategy: spec");
699 nbio = push_bio(bio);
700 if (nbio->bio_offset == NOOFFSET) {
701 error = VOP_BMAP(vp, bio->bio_offset, NULL, &nbio->bio_offset,
704 printf("hpfs_strategy: VOP_BMAP FAILED %d\n", error);
706 bp->b_flags |= B_ERROR;
707 /* I/O was never started on nbio, must biodone(bio) */
711 if (nbio->bio_offset == NOOFFSET)
714 if (nbio->bio_offset == NOOFFSET) {
715 /* I/O was never started on nbio, must biodone(bio) */
719 hp = VTOHP(ap->a_vp);
720 vn_strategy(hp->h_devvp, nbio);
725 * XXXXX do we need hpfsnode locking inside?
727 * hpfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
731 hpfs_access(struct vop_access_args *ap)
733 struct vnode *vp = ap->a_vp;
734 struct hpfsnode *hp = VTOHP(vp);
735 struct ucred *cred = ap->a_cred;
736 mode_t mask, mode = ap->a_mode;
740 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
743 * Disallow write attempts on read-only file systems;
744 * unless the file is a socket, fifo, or a block or
745 * character device resident on the file system.
748 switch ((int)vp->v_type) {
752 if (vp->v_mount->mnt_flag & MNT_RDONLY)
758 /* Otherwise, user id 0 always gets access. */
759 if (cred->cr_uid == 0)
764 /* Otherwise, check the owner. */
765 if (cred->cr_uid == hp->h_uid) {
772 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
775 /* Otherwise, check the groups. */
776 for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++)
777 if (hp->h_gid == *gp) {
784 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
787 /* Otherwise, check everyone else. */
794 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
802 * hpfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
807 hpfs_open(struct vop_open_args *ap)
810 struct vnode *vp = ap->a_vp;
811 struct hpfsnode *hp = VTOHP(vp);
813 printf("hpfs_open(0x%x):\n",hp->h_no);
817 * Files marked append-only must be opened for appending.
826 * Update the times on the inode.
828 * hpfs_close(struct vnode *a_vp, int a_fflag, struct ucred *a_cred,
833 hpfs_close(struct vop_close_args *ap)
836 struct vnode *vp = ap->a_vp;
837 struct hpfsnode *hp = VTOHP(vp);
839 printf("hpfs_close: %d\n",hp->h_no);
846 hpfs_de_uiomove(int *error, struct hpfsmount *hpmp, struct hpfsdirent *dep,
849 char convname[HPFS_MAXFILENAME + 1];
852 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
853 dep->de_fnode, dep->de_size, dep->de_namelen,
854 dep->de_namelen, dep->de_name, dep->de_flag));
856 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
857 for (i=0; i<dep->de_namelen; i++)
858 convname[i] = hpfs_d2u(hpmp, dep->de_name[i]);
859 convname[dep->de_namelen] = '\0';
861 success = vop_write_dirent(error, uio, dep->de_fnode,
862 (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG,
863 dep->de_namelen, convname);
865 dprintf(("[0x%x] ", uio->uio_resid));
871 * hpfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
872 * int *a_ncookies, u_int **cookies)
875 hpfs_readdir(struct vop_readdir_args *ap)
877 struct vnode *vp = ap->a_vp;
878 struct hpfsnode *hp = VTOHP(vp);
879 struct hpfsmount *hpmp = hp->h_hpmp;
880 struct uio *uio = ap->a_uio;
881 int ncookies = 0, i, num, cnum;
885 struct hpfsdirent *dep;
890 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
893 * As we need to fake up . and .., and the remaining directory structure
894 * can't be expressed in one off_t as well, we just increment uio_offset
895 * by 1 for each entry.
897 * num is the entry we need to start reporting
898 * cnum is the current entry
900 if (uio->uio_offset < 0 || uio->uio_offset > INT_MAX)
902 num = uio->uio_offset;
906 dprintf((". faked, "));
907 if (vop_write_dirent(&error, uio, hp->h_no, DT_DIR, 1, "."))
917 dprintf((".. faked, "));
918 if (vop_write_dirent(&error, uio, hp->h_fn.fn_parent, DT_DIR, 2, ".."))
927 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
933 dprintf(("[dive 0x%x] ", lsn));
934 error = bread(hp->h_devvp, dbtodoff(lsn), D_BSIZE, &bp);
940 dp = (struct dirblk *) bp->b_data;
941 if (dp->d_magic != D_MAGIC) {
942 printf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
950 dprintf(("[restore 0x%x] ", olsn));
952 while(!(dep->de_flag & DE_END) ) {
953 if((dep->de_flag & DE_DOWN) &&
954 (olsn == DE_DOWNLSN(dep)))
956 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
959 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
960 if (dep->de_flag & DE_END)
963 if (!(dep->de_flag & DE_SPECIAL)) {
965 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
967 dprintf(("[resid] "));
979 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
981 printf("hpfs_readdir: ERROR! oLSN not found\n");
989 while(!(dep->de_flag & DE_END)) {
990 if(dep->de_flag & DE_DOWN) {
991 lsn = DE_DOWNLSN(dep);
997 if (!(dep->de_flag & DE_SPECIAL)) {
999 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
1001 dprintf(("[resid] "));
1013 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1016 if(dep->de_flag & DE_DOWN) {
1017 dprintf(("[enddive] "));
1018 lsn = DE_DOWNLSN(dep);
1025 dprintf(("[EOB] "));
1031 dprintf(("[level %d] ", level));
1034 goto dive; /* undive really */
1036 if (ap->a_eofflag) {
1037 dprintf(("[EOF] "));
1042 uio->uio_offset = cnum;
1043 dprintf(("[readdone]\n"));
1044 if (!error && ap->a_ncookies != NULL) {
1045 #if defined(__DragonFly__)
1048 #else /* defined(__NetBSD__) */
1053 dprintf(("%d cookies, ",ncookies));
1054 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1055 panic("hpfs_readdir: unexpected uio from NFS server");
1056 #if defined(__DragonFly__)
1057 MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
1059 #else /* defined(__NetBSD__) */
1060 MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
1063 for (cookiep = cookies, i=0; i < ncookies; i++)
1064 *cookiep++ = (u_int)++num;
1066 *ap->a_ncookies = ncookies;
1067 *ap->a_cookies = cookies;
1074 * hpfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
1075 * struct componentname *a_cnp)
1078 hpfs_lookup(struct vop_old_lookup_args *ap)
1080 struct vnode *dvp = ap->a_dvp;
1081 struct hpfsnode *dhp = VTOHP(dvp);
1082 struct hpfsmount *hpmp = dhp->h_hpmp;
1083 struct componentname *cnp = ap->a_cnp;
1084 struct ucred *cred = cnp->cn_cred;
1086 int nameiop = cnp->cn_nameiop;
1087 int flags = cnp->cn_flags;
1088 int lockparent = flags & CNP_LOCKPARENT;
1090 int wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1092 dprintf(("hpfs_lookup(0x%x, %s, %ld, %d, %d): \n",
1093 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen,
1094 lockparent, wantparent));
1096 if (nameiop != NAMEI_CREATE && nameiop != NAMEI_DELETE && nameiop != NAMEI_LOOKUP) {
1097 printf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1098 return (EOPNOTSUPP);
1101 error = VOP_ACCESS(dvp, VEXEC, cred, cnp->cn_td);
1105 if( (cnp->cn_namelen == 1) &&
1106 !strncmp(cnp->cn_nameptr,".",1) ) {
1107 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1113 } else if( (cnp->cn_namelen == 2) &&
1114 !strncmp(cnp->cn_nameptr,"..",2) && (flags & CNP_ISDOTDOT) ) {
1115 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1116 dhp->h_no, dhp->h_fn.fn_parent));
1118 VOP__UNLOCK(dvp,0,cnp->cn_td);
1120 error = VFS_VGET(hpmp->hpm_mp,
1121 dhp->h_fn.fn_parent, ap->a_vpp);
1123 VOP__LOCK(dvp, 0, cnp->cn_td);
1127 if (lockparent && (error = VOP__LOCK(dvp, 0, cnp->cn_td))) {
1128 vput( *(ap->a_vpp) );
1134 struct hpfsdirent *dep;
1135 struct hpfsnode *hp;
1137 error = hpfs_genlookupbyname(dhp,
1138 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1140 if (error == ENOENT &&
1141 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME)) {
1143 VOP__UNLOCK(dvp, 0, cnp->cn_td);
1144 return (EJUSTRETURN);
1150 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1151 dep->de_fnode, dep->de_cpid));
1153 if (nameiop == NAMEI_DELETE) {
1154 error = VOP_ACCESS(dvp, VWRITE, cred, cnp->cn_td);
1161 if (dhp->h_no == dep->de_fnode) {
1168 error = VFS_VGET(hpmp->hpm_mp, dep->de_fnode, ap->a_vpp);
1170 printf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1175 hp = VTOHP(*ap->a_vpp);
1177 hp->h_mtime = dep->de_mtime;
1178 hp->h_ctime = dep->de_ctime;
1179 hp->h_atime = dep->de_atime;
1180 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1181 hp->h_name[dep->de_namelen] = '\0';
1182 hp->h_namelen = dep->de_namelen;
1183 hp->h_flag |= H_PARVALID;
1188 VOP__UNLOCK(dvp, 0, cnp->cn_td);
1194 * hpfs_remove(struct vnode *a_dvp, struct vnode *a_vp,
1195 * struct componentname *a_cnp)
1198 hpfs_remove(struct vop_old_remove_args *ap)
1202 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1203 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1205 if (ap->a_vp->v_type == VDIR)
1208 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1213 * hpfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
1214 * struct componentname *a_cnp, struct vattr *a_vap)
1217 hpfs_create(struct vop_old_create_args *ap)
1221 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1222 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1224 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1230 * Return POSIX pathconf information applicable to NTFS filesystem
1232 * hpfs_pathconf(struct vnode *a_vp, int a_name, t *a_retval)
1235 hpfs_pathconf(struct vop_pathconf_args *ap)
1237 switch (ap->a_name) {
1242 *ap->a_retval = HPFS_MAXFILENAME;
1245 *ap->a_retval = PATH_MAX;
1247 case _PC_CHOWN_RESTRICTED:
1253 #if defined(__NetBSD__)
1257 case _PC_FILESIZEBITS:
1269 * Global vfs data structures
1271 #if defined(__DragonFly__)
1272 struct vnodeopv_entry_desc hpfs_vnodeop_entries[] = {
1273 { &vop_default_desc, (vnodeopv_entry_t)vop_defaultop },
1275 { &vop_getattr_desc, (vnodeopv_entry_t)hpfs_getattr },
1276 { &vop_setattr_desc, (vnodeopv_entry_t)hpfs_setattr },
1277 { &vop_inactive_desc, (vnodeopv_entry_t)hpfs_inactive },
1278 { &vop_reclaim_desc, (vnodeopv_entry_t)hpfs_reclaim },
1279 { &vop_print_desc, (vnodeopv_entry_t)hpfs_print },
1280 { &vop_old_create_desc, (vnodeopv_entry_t)hpfs_create },
1281 { &vop_old_remove_desc, (vnodeopv_entry_t)hpfs_remove },
1282 { &vop_islocked_desc, (vnodeopv_entry_t)vop_stdislocked },
1283 { &vop_unlock_desc, (vnodeopv_entry_t)vop_stdunlock },
1284 { &vop_lock_desc, (vnodeopv_entry_t)vop_stdlock },
1285 { &vop_old_lookup_desc, (vnodeopv_entry_t)hpfs_lookup },
1286 { &vop_access_desc, (vnodeopv_entry_t)hpfs_access },
1287 { &vop_close_desc, (vnodeopv_entry_t)hpfs_close },
1288 { &vop_open_desc, (vnodeopv_entry_t)hpfs_open },
1289 { &vop_readdir_desc, (vnodeopv_entry_t)hpfs_readdir },
1290 { &vop_fsync_desc, (vnodeopv_entry_t)hpfs_fsync },
1291 { &vop_bmap_desc, (vnodeopv_entry_t)hpfs_bmap },
1292 { &vop_getpages_desc, (vnodeopv_entry_t) hpfs_getpages },
1293 { &vop_putpages_desc, (vnodeopv_entry_t) hpfs_putpages },
1294 { &vop_strategy_desc, (vnodeopv_entry_t)hpfs_strategy },
1295 { &vop_bwrite_desc, (vnodeopv_entry_t)vop_stdbwrite },
1296 { &vop_read_desc, (vnodeopv_entry_t)hpfs_read },
1297 { &vop_write_desc, (vnodeopv_entry_t)hpfs_write },
1298 { &vop_ioctl_desc, (vnodeopv_entry_t)hpfs_ioctl },
1299 { &vop_pathconf_desc, (vnodeopv_entry_t)hpfs_pathconf },
1303 #else /* defined(__NetBSD__) */
1304 struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
1305 { &vop_default_desc, (vnodeopv_entry_t) genfs_badop }, /* XXX */
1306 { &vop_old_lookup_desc, (vnodeopv_entry_t) hpfs_lookup }, /* lookup */
1307 { &vop_old_create_desc, genfs_eopnotsupp }, /* create */
1308 { &vop_old_mknod_desc, genfs_eopnotsupp }, /* mknod */
1309 { &vop_open_desc, (vnodeopv_entry_t) hpfs_open }, /* open */
1310 { &vop_close_desc,(vnodeopv_entry_t) hpfs_close }, /* close */
1311 { &vop_access_desc, (vnodeopv_entry_t) hpfs_access }, /* access */
1312 { &vop_getattr_desc, (vnodeopv_entry_t) hpfs_getattr }, /* getattr */
1313 { &vop_setattr_desc, genfs_eopnotsupp }, /* setattr */
1314 { &vop_read_desc, (vnodeopv_entry_t) hpfs_read }, /* read */
1315 { &vop_write_desc, (vnodeopv_entry_t) hpfs_write }, /* write */
1316 { &vop_lease_desc, genfs_lease_check }, /* lease */
1317 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1318 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
1319 { &vop_poll_desc, genfs_poll }, /* poll */
1320 { &vop_revoke_desc, genfs_revoke }, /* revoke */
1321 { &vop_mmap_desc, genfs_eopnotsupp }, /* mmap */
1322 { &vop_fsync_desc, genfs_fsync }, /* fsync */
1323 { &vop_seek_desc, genfs_seek }, /* seek */
1324 { &vop_old_remove_desc, genfs_eopnotsupp }, /* remove */
1325 { &vop_old_link_desc, genfs_eopnotsupp }, /* link */
1326 { &vop_old_rename_desc, genfs_eopnotsupp }, /* rename */
1327 { &vop_old_mkdir_desc, genfs_eopnotsupp }, /* mkdir */
1328 { &vop_old_rmdir_desc, genfs_eopnotsupp }, /* rmdir */
1329 { &vop_old_symlink_desc, genfs_eopnotsupp }, /* symlink */
1330 { &vop_readdir_desc, (vnodeopv_entry_t) hpfs_readdir }, /* readdir */
1331 { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */
1332 { &vop_abortop_desc, genfs_abortop }, /* abortop */
1333 { &vop_inactive_desc, (vnodeopv_entry_t) hpfs_inactive }, /* inactive */
1334 { &vop_reclaim_desc, (vnodeopv_entry_t) hpfs_reclaim }, /* reclaim */
1335 { &vop_lock_desc, genfs_lock }, /* lock */
1336 { &vop_unlock_desc, genfs_unlock }, /* unlock */
1337 { &vop_bmap_desc, (vnodeopv_entry_t) hpfs_bmap }, /* bmap */
1338 { &vop_strategy_desc, (vnodeopv_entry_t) hpfs_strategy }, /* strategy */
1339 { &vop_print_desc, (vnodeopv_entry_t) hpfs_print }, /* print */
1340 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1341 { &vop_pathconf_desc, hpfs_pathconf }, /* pathconf */
1342 { &vop_advlock_desc, genfs_nullop }, /* advlock */
1343 { &vop_blkatoff_desc, genfs_eopnotsupp }, /* blkatoff */
1344 { &vop_valloc_desc, genfs_eopnotsupp }, /* valloc */
1345 { &vop_reallocblks_desc, genfs_eopnotsupp }, /* reallocblks */
1346 { &vop_vfree_desc, genfs_eopnotsupp }, /* vfree */
1347 { &vop_truncate_desc, genfs_eopnotsupp }, /* truncate */
1348 { &vop_update_desc, genfs_eopnotsupp }, /* update */
1349 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */