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 1.35 2006/05/06 18:48:53 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_readdir (struct vop_readdir_args *ap);
86 static int hpfs_lookup (struct vop_old_lookup_args *ap);
87 static int hpfs_create (struct vop_old_create_args *);
88 static int hpfs_remove (struct vop_old_remove_args *);
89 static int hpfs_bmap (struct vop_bmap_args *ap);
90 #if defined(__DragonFly__)
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(__DragonFly__)
99 hpfs_getpages(struct vop_getpages_args *ap)
101 return vnode_pager_generic_getpages(ap->a_vp, ap->a_m, ap->a_count,
106 hpfs_putpages(struct vop_putpages_args *ap)
108 return vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count,
109 ap->a_sync, ap->a_rtvals);
113 * hpfs_fsync(struct vnode *a_vp, struct ucred *a_cred, int a_waitfor,
117 hpfs_fsync(struct vop_fsync_args *ap)
119 struct vnode *vp = ap->a_vp;
122 * Flush all dirty buffers associated with a vnode.
127 vfsync(vp, ap->a_waitfor, 0, NULL, NULL);
129 if (ap->a_waitfor == MNT_WAIT && !RB_EMPTY(&vp->v_rbdirty_tree)) {
130 vprint("hpfs_fsync: dirty", vp);
136 * Write out the on-disc version of the vnode.
138 return hpfs_update(VTOHP(vp));
144 * hpfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
145 * int a_fflag, struct ucred *a_cred, struct proc *a_td)
148 hpfs_ioctl(struct vop_ioctl_args *ap)
150 struct vnode *vp = ap->a_vp;
151 struct hpfsnode *hp = VTOHP(vp);
154 printf("hpfs_ioctl(0x%x, 0x%lx, 0x%p, 0x%x): ",
155 hp->h_no, ap->a_command, ap->a_data, ap->a_fflag);
157 switch (ap->a_command) {
158 case HPFSIOCGEANUM: {
165 if (hp->h_fn.fn_ealen > 0) {
166 eap = (struct ea *)&(hp->h_fn.fn_int);
169 while (passed < hp->h_fn.fn_ealen) {
171 printf("EAname: %s\n", EA_NAME(eap));
174 passed += sizeof(struct ea) +
175 eap->ea_namelen + 1 + eap->ea_vallen;
176 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
184 printf("%lu eas\n", eanum);
186 *(u_long *)ap->a_data = eanum;
195 printf("EA%ld\n", *(u_long *)ap->a_data);
198 if (hp->h_fn.fn_ealen > 0) {
199 eap = (struct ea *)&(hp->h_fn.fn_int);
203 while (passed < hp->h_fn.fn_ealen) {
204 printf("EAname: %s\n", EA_NAME(eap));
206 if (eanum == *(u_long *)ap->a_data) {
207 *(u_long *)ap->a_data =
208 eap->ea_namelen + 1 +
216 passed += sizeof(struct ea) +
217 eap->ea_namelen + 1 + eap->ea_vallen;
218 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
230 struct hpfs_rdea *rdeap;
233 rdeap = (struct hpfs_rdea *)ap->a_data;
234 printf("EA%ld\n", rdeap->ea_no);
237 if (hp->h_fn.fn_ealen > 0) {
238 eap = (struct ea *)&(hp->h_fn.fn_int);
242 while (passed < hp->h_fn.fn_ealen) {
243 printf("EAname: %s\n", EA_NAME(eap));
245 if (eanum == rdeap->ea_no) {
246 rdeap->ea_sz = eap->ea_namelen + 1 +
248 copyout(EA_NAME(eap),rdeap->ea_data,
255 passed += sizeof(struct ea) +
256 eap->ea_namelen + 1 + eap->ea_vallen;
257 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
274 * Map file offset to disk offset.
276 * hpfs_bmap(struct vnode *a_vp, off_t a_loffset, struct vnode **a_vpp,
277 * off_t *a_doffsetp, int *a_runp, int *a_runb)
280 hpfs_bmap(struct vop_bmap_args *ap)
282 struct hpfsnode *hp = VTOHP(ap->a_vp);
287 if (ap->a_vpp != NULL)
288 *ap->a_vpp = hp->h_devvp;
289 if (ap->a_runb != NULL)
291 if (ap->a_doffsetp == NULL)
294 dprintf(("hpfs_bmap(0x%x, 0x%x): ",hp->h_no, ap->a_bn));
296 lbn = ap->a_loffset >> DEV_BSHIFT;
297 KKASSERT(((int)ap->a_loffset & DEV_BMASK) == 0);
299 error = hpfs_hpbmap (hp, lbn, &dbn, ap->a_runp);
300 if (error || dbn == (daddr_t)-1) {
301 *ap->a_doffsetp = NOOFFSET;
303 *ap->a_doffsetp = (off_t)dbn << DEV_BSHIFT;
309 * hpfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
310 * struct ucred *a_cred)
313 hpfs_read(struct vop_read_args *ap)
315 struct vnode *vp = ap->a_vp;
316 struct hpfsnode *hp = VTOHP(vp);
317 struct uio *uio = ap->a_uio;
319 u_int xfersz, toread;
326 resid = min (uio->uio_resid, hp->h_fn.fn_size - uio->uio_offset);
328 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));
331 lbn = uio->uio_offset >> DEV_BSHIFT;
332 off = uio->uio_offset & (DEV_BSIZE - 1);
333 dprintf(("hpfs_read: resid: 0x%x lbn: 0x%x off: 0x%x\n",
334 uio->uio_resid, lbn, off));
335 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
339 toread = min(off + resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
340 xfersz = (toread + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
341 dprintf(("hpfs_read: bn: 0x%x (0x%x) toread: 0x%x (0x%x)\n",
342 bn, runl, toread, xfersz));
347 error = bread(hp->h_devvp, dbtodoff(bn), xfersz, &bp);
353 error = uiomove(bp->b_data + off, toread - off, uio);
361 dprintf(("hpfs_read: successful\n"));
366 * hpfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
367 * struct ucred *a_cred)
370 hpfs_write(struct vop_write_args *ap)
372 struct vnode *vp = ap->a_vp;
373 struct hpfsnode *hp = VTOHP(vp);
374 struct uio *uio = ap->a_uio;
376 u_int xfersz, towrite;
382 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));
384 if (ap->a_ioflag & IO_APPEND) {
385 dprintf(("hpfs_write: APPEND mode\n"));
386 uio->uio_offset = hp->h_fn.fn_size;
388 if (uio->uio_offset + uio->uio_resid > hp->h_fn.fn_size) {
389 error = hpfs_extend (hp, uio->uio_offset + uio->uio_resid);
391 printf("hpfs_write: hpfs_extend FAILED %d\n", error);
396 while (uio->uio_resid) {
397 lbn = uio->uio_offset >> DEV_BSHIFT;
398 off = uio->uio_offset & (DEV_BSIZE - 1);
399 dprintf(("hpfs_write: resid: 0x%x lbn: 0x%x off: 0x%x\n",
400 uio->uio_resid, lbn, off));
401 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
405 towrite = min(off + uio->uio_resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
406 xfersz = (towrite + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
407 dprintf(("hpfs_write: bn: 0x%x (0x%x) towrite: 0x%x (0x%x)\n",
408 bn, runl, towrite, xfersz));
410 if ((off == 0) && (towrite == xfersz)) {
411 bp = getblk(hp->h_devvp, dbtodoff(bn), xfersz, 0, 0);
414 error = bread(hp->h_devvp, dbtodoff(bn), xfersz, &bp);
421 error = uiomove(bp->b_data + off, towrite - off, uio);
427 if (ap->a_ioflag & IO_SYNC)
433 dprintf(("hpfs_write: successful\n"));
438 * XXXXX do we need hpfsnode locking inside?
440 * hpfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
444 hpfs_getattr(struct vop_getattr_args *ap)
446 struct vnode *vp = ap->a_vp;
447 struct hpfsnode *hp = VTOHP(vp);
448 struct vattr *vap = ap->a_vap;
451 dprintf(("hpfs_getattr(0x%x):\n", hp->h_no));
453 #if defined(__DragonFly__)
454 vap->va_fsid = dev2udev(hp->h_dev);
455 #else /* defined(__NetBSD__) */
456 vap->va_fsid = ip->i_dev;
458 vap->va_fileid = hp->h_no;
459 vap->va_mode = hp->h_mode;
461 vap->va_uid = hp->h_uid;
462 vap->va_gid = hp->h_gid;
463 vap->va_rdev = 0; /* XXX UNODEV ? */
464 vap->va_size = hp->h_fn.fn_size;
465 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
468 if (!(hp->h_flag & H_PARVALID)) {
469 error = hpfs_validateparent(hp);
473 vap->va_atime = hpfstimetounix(hp->h_atime);
474 vap->va_mtime = hpfstimetounix(hp->h_mtime);
475 vap->va_ctime = hpfstimetounix(hp->h_ctime);
479 vap->va_blocksize = DEV_BSIZE;
480 vap->va_type = vp->v_type;
487 * XXXXX do we need hpfsnode locking inside?
489 * hpfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
490 * struct thread *a_td)
493 hpfs_setattr(struct vop_setattr_args *ap)
495 struct vnode *vp = ap->a_vp;
496 struct hpfsnode *hp = VTOHP(vp);
497 struct vattr *vap = ap->a_vap;
498 struct ucred *cred = ap->a_cred;
501 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
504 * Check for unsettable attributes.
506 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
507 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
508 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
509 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
510 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
514 /* Can't change flags XXX Could be implemented */
515 if (vap->va_flags != VNOVAL) {
516 printf("hpfs_setattr: FLAGS CANNOT BE SET\n");
520 /* Can't change uid/gid XXX Could be implemented */
521 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
522 printf("hpfs_setattr: UID/GID CANNOT BE SET\n");
526 /* Can't change mode XXX Could be implemented */
527 if (vap->va_mode != (mode_t)VNOVAL) {
528 printf("hpfs_setattr: MODE CANNOT BE SET\n");
533 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
534 if (vp->v_mount->mnt_flag & MNT_RDONLY)
536 if (cred->cr_uid != hp->h_uid &&
537 (error = suser_cred(cred, PRISON_ROOT)) &&
538 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
539 (error = VOP_ACCESS(vp, VWRITE, cred))))
541 if (vap->va_atime.tv_sec != VNOVAL)
542 hp->h_atime = vap->va_atime.tv_sec;
543 if (vap->va_mtime.tv_sec != VNOVAL)
544 hp->h_mtime = vap->va_mtime.tv_sec;
546 hp->h_flag |= H_PARCHANGE;
549 if (vap->va_size != VNOVAL) {
550 switch (vp->v_type) {
554 if (vp->v_mount->mnt_flag & MNT_RDONLY)
558 printf("hpfs_setattr: WRONG v_type\n");
562 if (vap->va_size < hp->h_fn.fn_size) {
563 #if defined(__DragonFly__)
564 error = vtruncbuf(vp, vap->va_size, DEV_BSIZE);
567 #else /* defined(__NetBSD__) */
568 #error Need alternation for vtruncbuf()
570 error = hpfs_truncate(hp, vap->va_size);
574 } else if (vap->va_size > hp->h_fn.fn_size) {
575 #if defined(__DragonFly__)
576 vnode_pager_setsize(vp, vap->va_size);
578 error = hpfs_extend(hp, vap->va_size);
588 * Last reference to an node. If necessary, write or delete it.
590 * hpfs_inactive(struct vnode *a_vp)
593 hpfs_inactive(struct vop_inactive_args *ap)
595 struct vnode *vp = ap->a_vp;
596 struct hpfsnode *hp = VTOHP(vp);
599 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
601 if (hp->h_flag & H_CHANGE) {
602 dprintf(("hpfs_inactive: node changed, update\n"));
603 error = hpfs_update (hp);
608 if (hp->h_flag & H_PARCHANGE) {
609 dprintf(("hpfs_inactive: parent node changed, update\n"));
610 error = hpfs_updateparent (hp);
615 if (prtactive && vp->v_usecount != 0)
616 vprint("hpfs_inactive: pushing active", vp);
618 if (hp->h_flag & H_INVAL) {
619 #if defined(__DragonFly__)
621 #else /* defined(__NetBSD__) */
630 * Reclaim an inode so that it can be used for other purposes.
632 * hpfs_reclaim(struct vnode *a_vp)
635 hpfs_reclaim(struct vop_reclaim_args *ap)
637 struct vnode *vp = ap->a_vp;
638 struct hpfsnode *hp = VTOHP(vp);
640 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
644 /* Purge old data structures associated with the inode. */
658 * hpfs_print(struct vnode *a_vp)
661 hpfs_print(struct vop_print_args *ap)
663 struct vnode *vp = ap->a_vp;
664 struct hpfsnode *hp = VTOHP(vp);
666 printf("tag VT_HPFS, ino 0x%x",hp->h_no);
667 lockmgr_printinfo(&vp->v_lock);
673 * Calculate the logical to physical mapping if not done already,
674 * then call the device strategy routine.
676 * In order to be able to swap to a file, the VOP_BMAP operation may not
677 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
679 * hpfs_strategy(struct vnode *a_vp, struct bio *a_bio)
682 hpfs_strategy(struct vop_strategy_args *ap)
684 struct bio *bio = ap->a_bio;
686 struct buf *bp = bio->bio_buf;
687 struct vnode *vp = ap->a_vp;
691 dprintf(("hpfs_strategy(): \n"));
693 if (vp->v_type == VBLK || vp->v_type == VCHR)
694 panic("hpfs_strategy: spec");
696 nbio = push_bio(bio);
697 if (nbio->bio_offset == NOOFFSET) {
698 error = VOP_BMAP(vp, bio->bio_offset, NULL, &nbio->bio_offset,
701 printf("hpfs_strategy: VOP_BMAP FAILED %d\n", error);
703 bp->b_flags |= B_ERROR;
704 /* I/O was never started on nbio, must biodone(bio) */
708 if (nbio->bio_offset == NOOFFSET)
711 if (nbio->bio_offset == NOOFFSET) {
712 /* I/O was never started on nbio, must biodone(bio) */
716 hp = VTOHP(ap->a_vp);
717 vn_strategy(hp->h_devvp, nbio);
722 * XXXXX do we need hpfsnode locking inside?
724 * hpfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
728 hpfs_access(struct vop_access_args *ap)
730 struct vnode *vp = ap->a_vp;
731 struct hpfsnode *hp = VTOHP(vp);
732 struct ucred *cred = ap->a_cred;
733 mode_t mask, mode = ap->a_mode;
737 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
740 * Disallow write attempts on read-only file systems;
741 * unless the file is a socket, fifo, or a block or
742 * character device resident on the file system.
745 switch ((int)vp->v_type) {
749 if (vp->v_mount->mnt_flag & MNT_RDONLY)
755 /* Otherwise, user id 0 always gets access. */
756 if (cred->cr_uid == 0)
761 /* Otherwise, check the owner. */
762 if (cred->cr_uid == hp->h_uid) {
769 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
772 /* Otherwise, check the groups. */
773 for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++)
774 if (hp->h_gid == *gp) {
781 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
784 /* Otherwise, check everyone else. */
791 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
795 hpfs_de_uiomove(int *error, struct hpfsmount *hpmp, struct hpfsdirent *dep,
798 char convname[HPFS_MAXFILENAME + 1];
801 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
802 dep->de_fnode, dep->de_size, dep->de_namelen,
803 dep->de_namelen, dep->de_name, dep->de_flag));
805 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
806 for (i=0; i<dep->de_namelen; i++)
807 convname[i] = hpfs_d2u(hpmp, dep->de_name[i]);
808 convname[dep->de_namelen] = '\0';
810 success = vop_write_dirent(error, uio, dep->de_fnode,
811 (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG,
812 dep->de_namelen, convname);
814 dprintf(("[0x%x] ", uio->uio_resid));
820 * hpfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
821 * int *a_ncookies, u_int **cookies)
824 hpfs_readdir(struct vop_readdir_args *ap)
826 struct vnode *vp = ap->a_vp;
827 struct hpfsnode *hp = VTOHP(vp);
828 struct hpfsmount *hpmp = hp->h_hpmp;
829 struct uio *uio = ap->a_uio;
830 int ncookies = 0, i, num, cnum;
834 struct hpfsdirent *dep;
839 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
842 * As we need to fake up . and .., and the remaining directory structure
843 * can't be expressed in one off_t as well, we just increment uio_offset
844 * by 1 for each entry.
846 * num is the entry we need to start reporting
847 * cnum is the current entry
849 if (uio->uio_offset < 0 || uio->uio_offset > INT_MAX)
851 num = uio->uio_offset;
855 dprintf((". faked, "));
856 if (vop_write_dirent(&error, uio, hp->h_no, DT_DIR, 1, "."))
866 dprintf((".. faked, "));
867 if (vop_write_dirent(&error, uio, hp->h_fn.fn_parent, DT_DIR, 2, ".."))
876 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
882 dprintf(("[dive 0x%x] ", lsn));
883 error = bread(hp->h_devvp, dbtodoff(lsn), D_BSIZE, &bp);
889 dp = (struct dirblk *) bp->b_data;
890 if (dp->d_magic != D_MAGIC) {
891 printf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
899 dprintf(("[restore 0x%x] ", olsn));
901 while(!(dep->de_flag & DE_END) ) {
902 if((dep->de_flag & DE_DOWN) &&
903 (olsn == DE_DOWNLSN(dep)))
905 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
908 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
909 if (dep->de_flag & DE_END)
912 if (!(dep->de_flag & DE_SPECIAL)) {
914 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
916 dprintf(("[resid] "));
928 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
930 printf("hpfs_readdir: ERROR! oLSN not found\n");
938 while(!(dep->de_flag & DE_END)) {
939 if(dep->de_flag & DE_DOWN) {
940 lsn = DE_DOWNLSN(dep);
946 if (!(dep->de_flag & DE_SPECIAL)) {
948 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
950 dprintf(("[resid] "));
962 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
965 if(dep->de_flag & DE_DOWN) {
966 dprintf(("[enddive] "));
967 lsn = DE_DOWNLSN(dep);
980 dprintf(("[level %d] ", level));
983 goto dive; /* undive really */
991 uio->uio_offset = cnum;
992 dprintf(("[readdone]\n"));
993 if (!error && ap->a_ncookies != NULL) {
994 #if defined(__DragonFly__)
997 #else /* defined(__NetBSD__) */
1002 dprintf(("%d cookies, ",ncookies));
1003 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1004 panic("hpfs_readdir: unexpected uio from NFS server");
1005 #if defined(__DragonFly__)
1006 MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
1008 #else /* defined(__NetBSD__) */
1009 MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
1012 for (cookiep = cookies, i=0; i < ncookies; i++)
1013 *cookiep++ = (u_int)++num;
1015 *ap->a_ncookies = ncookies;
1016 *ap->a_cookies = cookies;
1023 * hpfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
1024 * struct componentname *a_cnp)
1027 hpfs_lookup(struct vop_old_lookup_args *ap)
1029 struct vnode *dvp = ap->a_dvp;
1030 struct hpfsnode *dhp = VTOHP(dvp);
1031 struct hpfsmount *hpmp = dhp->h_hpmp;
1032 struct componentname *cnp = ap->a_cnp;
1033 struct ucred *cred = cnp->cn_cred;
1035 int nameiop = cnp->cn_nameiop;
1036 int flags = cnp->cn_flags;
1037 int lockparent = flags & CNP_LOCKPARENT;
1039 int wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1041 dprintf(("hpfs_lookup(0x%x, %s, %ld, %d, %d): \n",
1042 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen,
1043 lockparent, wantparent));
1045 if (nameiop != NAMEI_CREATE && nameiop != NAMEI_DELETE && nameiop != NAMEI_LOOKUP) {
1046 printf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1047 return (EOPNOTSUPP);
1050 error = VOP_ACCESS(dvp, VEXEC, cred);
1054 if( (cnp->cn_namelen == 1) &&
1055 !strncmp(cnp->cn_nameptr,".",1) ) {
1056 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1062 } else if( (cnp->cn_namelen == 2) &&
1063 !strncmp(cnp->cn_nameptr,"..",2) && (flags & CNP_ISDOTDOT) ) {
1064 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1065 dhp->h_no, dhp->h_fn.fn_parent));
1067 VOP__UNLOCK(dvp, 0);
1069 error = VFS_VGET(hpmp->hpm_mp,
1070 dhp->h_fn.fn_parent, ap->a_vpp);
1076 if (lockparent && (error = VOP__LOCK(dvp, 0))) {
1077 vput( *(ap->a_vpp) );
1083 struct hpfsdirent *dep;
1084 struct hpfsnode *hp;
1086 error = hpfs_genlookupbyname(dhp,
1087 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1089 if (error == ENOENT &&
1090 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME)) {
1092 VOP__UNLOCK(dvp, 0);
1093 return (EJUSTRETURN);
1099 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1100 dep->de_fnode, dep->de_cpid));
1102 if (nameiop == NAMEI_DELETE) {
1103 error = VOP_ACCESS(dvp, VWRITE, cred);
1110 if (dhp->h_no == dep->de_fnode) {
1117 error = VFS_VGET(hpmp->hpm_mp, dep->de_fnode, ap->a_vpp);
1119 printf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1124 hp = VTOHP(*ap->a_vpp);
1126 hp->h_mtime = dep->de_mtime;
1127 hp->h_ctime = dep->de_ctime;
1128 hp->h_atime = dep->de_atime;
1129 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1130 hp->h_name[dep->de_namelen] = '\0';
1131 hp->h_namelen = dep->de_namelen;
1132 hp->h_flag |= H_PARVALID;
1137 VOP__UNLOCK(dvp, 0);
1143 * hpfs_remove(struct vnode *a_dvp, struct vnode *a_vp,
1144 * struct componentname *a_cnp)
1147 hpfs_remove(struct vop_old_remove_args *ap)
1151 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1152 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1154 if (ap->a_vp->v_type == VDIR)
1157 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1162 * hpfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
1163 * struct componentname *a_cnp, struct vattr *a_vap)
1166 hpfs_create(struct vop_old_create_args *ap)
1170 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1171 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1173 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1179 * Return POSIX pathconf information applicable to NTFS filesystem
1181 * hpfs_pathconf(struct vnode *a_vp, int a_name, t *a_retval)
1184 hpfs_pathconf(struct vop_pathconf_args *ap)
1186 switch (ap->a_name) {
1191 *ap->a_retval = HPFS_MAXFILENAME;
1194 *ap->a_retval = PATH_MAX;
1196 case _PC_CHOWN_RESTRICTED:
1202 #if defined(__NetBSD__)
1206 case _PC_FILESIZEBITS:
1218 * Global vfs data structures
1220 #if defined(__DragonFly__)
1221 struct vnodeopv_entry_desc hpfs_vnodeop_entries[] = {
1222 { &vop_default_desc, (vnodeopv_entry_t)vop_defaultop },
1224 { &vop_getattr_desc, (vnodeopv_entry_t)hpfs_getattr },
1225 { &vop_setattr_desc, (vnodeopv_entry_t)hpfs_setattr },
1226 { &vop_inactive_desc, (vnodeopv_entry_t)hpfs_inactive },
1227 { &vop_reclaim_desc, (vnodeopv_entry_t)hpfs_reclaim },
1228 { &vop_print_desc, (vnodeopv_entry_t)hpfs_print },
1229 { &vop_old_create_desc, (vnodeopv_entry_t)hpfs_create },
1230 { &vop_old_remove_desc, (vnodeopv_entry_t)hpfs_remove },
1231 { &vop_islocked_desc, (vnodeopv_entry_t)vop_stdislocked },
1232 { &vop_unlock_desc, (vnodeopv_entry_t)vop_stdunlock },
1233 { &vop_lock_desc, (vnodeopv_entry_t)vop_stdlock },
1234 { &vop_old_lookup_desc, (vnodeopv_entry_t)hpfs_lookup },
1235 { &vop_access_desc, (vnodeopv_entry_t)hpfs_access },
1236 { &vop_readdir_desc, (vnodeopv_entry_t)hpfs_readdir },
1237 { &vop_fsync_desc, (vnodeopv_entry_t)hpfs_fsync },
1238 { &vop_bmap_desc, (vnodeopv_entry_t)hpfs_bmap },
1239 { &vop_getpages_desc, (vnodeopv_entry_t) hpfs_getpages },
1240 { &vop_putpages_desc, (vnodeopv_entry_t) hpfs_putpages },
1241 { &vop_strategy_desc, (vnodeopv_entry_t)hpfs_strategy },
1242 { &vop_read_desc, (vnodeopv_entry_t)hpfs_read },
1243 { &vop_write_desc, (vnodeopv_entry_t)hpfs_write },
1244 { &vop_ioctl_desc, (vnodeopv_entry_t)hpfs_ioctl },
1245 { &vop_pathconf_desc, (vnodeopv_entry_t)hpfs_pathconf },
1249 #else /* defined(__NetBSD__) */
1250 struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
1251 { &vop_default_desc, (vnodeopv_entry_t) genfs_badop }, /* XXX */
1252 { &vop_old_lookup_desc, (vnodeopv_entry_t) hpfs_lookup }, /* lookup */
1253 { &vop_old_create_desc, genfs_eopnotsupp }, /* create */
1254 { &vop_old_mknod_desc, genfs_eopnotsupp }, /* mknod */
1255 { &vop_access_desc, (vnodeopv_entry_t) hpfs_access }, /* access */
1256 { &vop_getattr_desc, (vnodeopv_entry_t) hpfs_getattr }, /* getattr */
1257 { &vop_setattr_desc, genfs_eopnotsupp }, /* setattr */
1258 { &vop_read_desc, (vnodeopv_entry_t) hpfs_read }, /* read */
1259 { &vop_write_desc, (vnodeopv_entry_t) hpfs_write }, /* write */
1260 { &vop_lease_desc, genfs_lease_check }, /* lease */
1261 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1262 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
1263 { &vop_poll_desc, genfs_poll }, /* poll */
1264 { &vop_revoke_desc, genfs_revoke }, /* revoke */
1265 { &vop_mmap_desc, genfs_eopnotsupp }, /* mmap */
1266 { &vop_fsync_desc, genfs_fsync }, /* fsync */
1267 { &vop_seek_desc, genfs_seek }, /* seek */
1268 { &vop_old_remove_desc, genfs_eopnotsupp }, /* remove */
1269 { &vop_old_link_desc, genfs_eopnotsupp }, /* link */
1270 { &vop_old_rename_desc, genfs_eopnotsupp }, /* rename */
1271 { &vop_old_mkdir_desc, genfs_eopnotsupp }, /* mkdir */
1272 { &vop_old_rmdir_desc, genfs_eopnotsupp }, /* rmdir */
1273 { &vop_old_symlink_desc, genfs_eopnotsupp }, /* symlink */
1274 { &vop_readdir_desc, (vnodeopv_entry_t) hpfs_readdir }, /* readdir */
1275 { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */
1276 { &vop_abortop_desc, genfs_abortop }, /* abortop */
1277 { &vop_inactive_desc, (vnodeopv_entry_t) hpfs_inactive }, /* inactive */
1278 { &vop_reclaim_desc, (vnodeopv_entry_t) hpfs_reclaim }, /* reclaim */
1279 { &vop_lock_desc, genfs_lock }, /* lock */
1280 { &vop_unlock_desc, genfs_unlock }, /* unlock */
1281 { &vop_bmap_desc, (vnodeopv_entry_t) hpfs_bmap }, /* bmap */
1282 { &vop_strategy_desc, (vnodeopv_entry_t) hpfs_strategy }, /* strategy */
1283 { &vop_print_desc, (vnodeopv_entry_t) hpfs_print }, /* print */
1284 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1285 { &vop_pathconf_desc, hpfs_pathconf }, /* pathconf */
1286 { &vop_advlock_desc, genfs_nullop }, /* advlock */
1287 { &vop_blkatoff_desc, genfs_eopnotsupp }, /* blkatoff */
1288 { &vop_valloc_desc, genfs_eopnotsupp }, /* valloc */
1289 { &vop_reallocblks_desc, genfs_eopnotsupp }, /* reallocblks */
1290 { &vop_vfree_desc, genfs_eopnotsupp }, /* vfree */
1291 { &vop_truncate_desc, genfs_eopnotsupp }, /* truncate */
1292 { &vop_update_desc, genfs_eopnotsupp }, /* update */
1293 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */