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 1.41 2007/05/09 00:53:35 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 kprintf("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 kprintf("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 kprintf("%lu eas\n", eanum);
186 *(u_long *)ap->a_data = eanum;
195 kprintf("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 kprintf("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 kprintf("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 kprintf("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 kprintf("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_rmajor = VNOVAL;
464 vap->va_rminor = VNOVAL;
465 vap->va_size = hp->h_fn.fn_size;
466 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
469 if (!(hp->h_flag & H_PARVALID)) {
470 error = hpfs_validateparent(hp);
474 vap->va_atime = hpfstimetounix(hp->h_atime);
475 vap->va_mtime = hpfstimetounix(hp->h_mtime);
476 vap->va_ctime = hpfstimetounix(hp->h_ctime);
480 vap->va_blocksize = DEV_BSIZE;
481 vap->va_type = vp->v_type;
488 * XXXXX do we need hpfsnode locking inside?
490 * hpfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
491 * struct thread *a_td)
494 hpfs_setattr(struct vop_setattr_args *ap)
496 struct vnode *vp = ap->a_vp;
497 struct hpfsnode *hp = VTOHP(vp);
498 struct vattr *vap = ap->a_vap;
499 struct ucred *cred = ap->a_cred;
502 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
505 * Check for unsettable attributes.
507 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
508 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
509 (vap->va_blocksize != VNOVAL) || (vap->va_rmajor != VNOVAL) ||
510 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
511 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
515 /* Can't change flags XXX Could be implemented */
516 if (vap->va_flags != VNOVAL) {
517 kprintf("hpfs_setattr: FLAGS CANNOT BE SET\n");
521 /* Can't change uid/gid XXX Could be implemented */
522 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
523 kprintf("hpfs_setattr: UID/GID CANNOT BE SET\n");
527 /* Can't change mode XXX Could be implemented */
528 if (vap->va_mode != (mode_t)VNOVAL) {
529 kprintf("hpfs_setattr: MODE CANNOT BE SET\n");
534 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
535 if (vp->v_mount->mnt_flag & MNT_RDONLY)
537 if (cred->cr_uid != hp->h_uid &&
538 (error = suser_cred(cred, PRISON_ROOT)) &&
539 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
540 (error = VOP_ACCESS(vp, VWRITE, cred))))
542 if (vap->va_atime.tv_sec != VNOVAL)
543 hp->h_atime = vap->va_atime.tv_sec;
544 if (vap->va_mtime.tv_sec != VNOVAL)
545 hp->h_mtime = vap->va_mtime.tv_sec;
547 hp->h_flag |= H_PARCHANGE;
550 if (vap->va_size != VNOVAL) {
551 switch (vp->v_type) {
555 if (vp->v_mount->mnt_flag & MNT_RDONLY)
559 kprintf("hpfs_setattr: WRONG v_type\n");
563 if (vap->va_size < hp->h_fn.fn_size) {
564 #if defined(__DragonFly__)
565 error = vtruncbuf(vp, vap->va_size, DEV_BSIZE);
568 #else /* defined(__NetBSD__) */
569 #error Need alternation for vtruncbuf()
571 error = hpfs_truncate(hp, vap->va_size);
575 } else if (vap->va_size > hp->h_fn.fn_size) {
576 #if defined(__DragonFly__)
577 vnode_pager_setsize(vp, vap->va_size);
579 error = hpfs_extend(hp, vap->va_size);
589 * Last reference to an node. If necessary, write or delete it.
591 * hpfs_inactive(struct vnode *a_vp)
594 hpfs_inactive(struct vop_inactive_args *ap)
596 struct vnode *vp = ap->a_vp;
597 struct hpfsnode *hp = VTOHP(vp);
600 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
602 if (hp->h_flag & H_CHANGE) {
603 dprintf(("hpfs_inactive: node changed, update\n"));
604 error = hpfs_update (hp);
609 if (hp->h_flag & H_PARCHANGE) {
610 dprintf(("hpfs_inactive: parent node changed, update\n"));
611 error = hpfs_updateparent (hp);
616 if (prtactive && vp->v_sysref.refcnt > 1)
617 vprint("hpfs_inactive: pushing active", vp);
619 if (hp->h_flag & H_INVAL) {
620 #if defined(__DragonFly__)
622 #else /* defined(__NetBSD__) */
631 * Reclaim an inode so that it can be used for other purposes.
633 * hpfs_reclaim(struct vnode *a_vp)
636 hpfs_reclaim(struct vop_reclaim_args *ap)
638 struct vnode *vp = ap->a_vp;
639 struct hpfsnode *hp = VTOHP(vp);
641 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
645 /* Purge old data structures associated with the inode. */
659 * hpfs_print(struct vnode *a_vp)
662 hpfs_print(struct vop_print_args *ap)
664 struct vnode *vp = ap->a_vp;
665 struct hpfsnode *hp = VTOHP(vp);
667 kprintf("tag VT_HPFS, ino 0x%x",hp->h_no);
668 lockmgr_printinfo(&vp->v_lock);
674 * Calculate the logical to physical mapping if not done already,
675 * then call the device strategy routine.
677 * In order to be able to swap to a file, the VOP_BMAP operation may not
678 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
680 * hpfs_strategy(struct vnode *a_vp, struct bio *a_bio)
683 hpfs_strategy(struct vop_strategy_args *ap)
685 struct bio *bio = ap->a_bio;
687 struct buf *bp = bio->bio_buf;
688 struct vnode *vp = ap->a_vp;
692 dprintf(("hpfs_strategy(): \n"));
694 if (vp->v_type == VBLK || vp->v_type == VCHR)
695 panic("hpfs_strategy: spec");
697 nbio = push_bio(bio);
698 if (nbio->bio_offset == NOOFFSET) {
699 error = VOP_BMAP(vp, bio->bio_offset, NULL, &nbio->bio_offset,
702 kprintf("hpfs_strategy: VOP_BMAP FAILED %d\n", error);
704 bp->b_flags |= B_ERROR;
705 /* I/O was never started on nbio, must biodone(bio) */
709 if (nbio->bio_offset == NOOFFSET)
712 if (nbio->bio_offset == NOOFFSET) {
713 /* I/O was never started on nbio, must biodone(bio) */
717 hp = VTOHP(ap->a_vp);
718 vn_strategy(hp->h_devvp, nbio);
723 * XXXXX do we need hpfsnode locking inside?
725 * hpfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
729 hpfs_access(struct vop_access_args *ap)
731 struct vnode *vp = ap->a_vp;
732 struct hpfsnode *hp = VTOHP(vp);
733 struct ucred *cred = ap->a_cred;
734 mode_t mask, mode = ap->a_mode;
738 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
741 * Disallow write attempts on read-only file systems;
742 * unless the file is a socket, fifo, or a block or
743 * character device resident on the file system.
746 switch ((int)vp->v_type) {
750 if (vp->v_mount->mnt_flag & MNT_RDONLY)
756 /* Otherwise, user id 0 always gets access. */
757 if (cred->cr_uid == 0)
762 /* Otherwise, check the owner. */
763 if (cred->cr_uid == hp->h_uid) {
770 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
773 /* Otherwise, check the groups. */
774 for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++)
775 if (hp->h_gid == *gp) {
782 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
785 /* Otherwise, check everyone else. */
792 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
796 hpfs_de_uiomove(int *error, struct hpfsmount *hpmp, struct hpfsdirent *dep,
799 char convname[HPFS_MAXFILENAME + 1];
802 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
803 dep->de_fnode, dep->de_size, dep->de_namelen,
804 dep->de_namelen, dep->de_name, dep->de_flag));
806 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
807 for (i=0; i<dep->de_namelen; i++)
808 convname[i] = hpfs_d2u(hpmp, dep->de_name[i]);
809 convname[dep->de_namelen] = '\0';
811 success = vop_write_dirent(error, uio, dep->de_fnode,
812 (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG,
813 dep->de_namelen, convname);
815 dprintf(("[0x%x] ", uio->uio_resid));
821 * hpfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
822 * int *a_ncookies, u_int **cookies)
825 hpfs_readdir(struct vop_readdir_args *ap)
827 struct vnode *vp = ap->a_vp;
828 struct hpfsnode *hp = VTOHP(vp);
829 struct hpfsmount *hpmp = hp->h_hpmp;
830 struct uio *uio = ap->a_uio;
831 int ncookies = 0, i, num, cnum;
835 struct hpfsdirent *dep;
840 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
843 * As we need to fake up . and .., and the remaining directory structure
844 * can't be expressed in one off_t as well, we just increment uio_offset
845 * by 1 for each entry.
847 * num is the entry we need to start reporting
848 * cnum is the current entry
850 if (uio->uio_offset < 0 || uio->uio_offset > INT_MAX)
852 if ((error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY)) != 0)
855 num = uio->uio_offset;
859 dprintf((". faked, "));
860 if (vop_write_dirent(&error, uio, hp->h_no, DT_DIR, 1, "."))
869 dprintf((".. faked, "));
870 if (vop_write_dirent(&error, uio, hp->h_fn.fn_parent, DT_DIR, 2, ".."))
878 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
884 dprintf(("[dive 0x%x] ", lsn));
885 error = bread(hp->h_devvp, dbtodoff(lsn), D_BSIZE, &bp);
891 dp = (struct dirblk *) bp->b_data;
892 if (dp->d_magic != D_MAGIC) {
893 kprintf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
902 dprintf(("[restore 0x%x] ", olsn));
904 while(!(dep->de_flag & DE_END) ) {
905 if((dep->de_flag & DE_DOWN) &&
906 (olsn == DE_DOWNLSN(dep)))
908 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
911 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
912 if (dep->de_flag & DE_END)
915 if (!(dep->de_flag & DE_SPECIAL)) {
917 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
919 dprintf(("[resid] "));
931 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
933 kprintf("hpfs_readdir: ERROR! oLSN not found\n");
942 while(!(dep->de_flag & DE_END)) {
943 if(dep->de_flag & DE_DOWN) {
944 lsn = DE_DOWNLSN(dep);
950 if (!(dep->de_flag & DE_SPECIAL)) {
952 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
954 dprintf(("[resid] "));
966 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
969 if(dep->de_flag & DE_DOWN) {
970 dprintf(("[enddive] "));
971 lsn = DE_DOWNLSN(dep);
984 dprintf(("[level %d] ", level));
987 goto dive; /* undive really */
995 uio->uio_offset = cnum;
996 dprintf(("[readdone]\n"));
997 if (!error && ap->a_ncookies != NULL) {
998 #if defined(__DragonFly__)
1001 #else /* defined(__NetBSD__) */
1006 dprintf(("%d cookies, ",ncookies));
1007 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1008 panic("hpfs_readdir: unexpected uio from NFS server");
1009 #if defined(__DragonFly__)
1010 MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
1012 #else /* defined(__NetBSD__) */
1013 MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
1016 for (cookiep = cookies, i=0; i < ncookies; i++)
1017 *cookiep++ = (u_int)++num;
1019 *ap->a_ncookies = ncookies;
1020 *ap->a_cookies = cookies;
1024 vn_unlock(ap->a_vp);
1029 * hpfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
1030 * struct componentname *a_cnp)
1033 hpfs_lookup(struct vop_old_lookup_args *ap)
1035 struct vnode *dvp = ap->a_dvp;
1036 struct hpfsnode *dhp = VTOHP(dvp);
1037 struct hpfsmount *hpmp = dhp->h_hpmp;
1038 struct componentname *cnp = ap->a_cnp;
1039 struct ucred *cred = cnp->cn_cred;
1041 int nameiop = cnp->cn_nameiop;
1042 int flags = cnp->cn_flags;
1043 int lockparent = flags & CNP_LOCKPARENT;
1045 int wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1047 dprintf(("hpfs_lookup(0x%x, %s, %ld, %d, %d): \n",
1048 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen,
1049 lockparent, wantparent));
1051 if (nameiop != NAMEI_CREATE && nameiop != NAMEI_DELETE && nameiop != NAMEI_LOOKUP) {
1052 kprintf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1053 return (EOPNOTSUPP);
1056 error = VOP_ACCESS(dvp, VEXEC, cred);
1060 if( (cnp->cn_namelen == 1) &&
1061 !strncmp(cnp->cn_nameptr,".",1) ) {
1062 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1068 } else if( (cnp->cn_namelen == 2) &&
1069 !strncmp(cnp->cn_nameptr,"..",2) && (flags & CNP_ISDOTDOT) ) {
1070 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1071 dhp->h_no, dhp->h_fn.fn_parent));
1073 VOP__UNLOCK(dvp, 0);
1075 error = VFS_VGET(hpmp->hpm_mp,
1076 dhp->h_fn.fn_parent, ap->a_vpp);
1082 if (lockparent && (error = VOP__LOCK(dvp, 0))) {
1083 vput( *(ap->a_vpp) );
1089 struct hpfsdirent *dep;
1090 struct hpfsnode *hp;
1092 error = hpfs_genlookupbyname(dhp,
1093 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1095 if (error == ENOENT &&
1096 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME)) {
1098 VOP__UNLOCK(dvp, 0);
1099 return (EJUSTRETURN);
1105 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1106 dep->de_fnode, dep->de_cpid));
1108 if (nameiop == NAMEI_DELETE) {
1109 error = VOP_ACCESS(dvp, VWRITE, cred);
1116 if (dhp->h_no == dep->de_fnode) {
1123 error = VFS_VGET(hpmp->hpm_mp, dep->de_fnode, ap->a_vpp);
1125 kprintf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1130 hp = VTOHP(*ap->a_vpp);
1132 hp->h_mtime = dep->de_mtime;
1133 hp->h_ctime = dep->de_ctime;
1134 hp->h_atime = dep->de_atime;
1135 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1136 hp->h_name[dep->de_namelen] = '\0';
1137 hp->h_namelen = dep->de_namelen;
1138 hp->h_flag |= H_PARVALID;
1143 VOP__UNLOCK(dvp, 0);
1149 * hpfs_remove(struct vnode *a_dvp, struct vnode *a_vp,
1150 * struct componentname *a_cnp)
1153 hpfs_remove(struct vop_old_remove_args *ap)
1157 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1158 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1160 if (ap->a_vp->v_type == VDIR)
1163 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1168 * hpfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
1169 * struct componentname *a_cnp, struct vattr *a_vap)
1172 hpfs_create(struct vop_old_create_args *ap)
1176 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1177 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1179 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1185 * Return POSIX pathconf information applicable to NTFS filesystem
1187 * hpfs_pathconf(struct vnode *a_vp, int a_name, t *a_retval)
1190 hpfs_pathconf(struct vop_pathconf_args *ap)
1192 switch (ap->a_name) {
1197 *ap->a_retval = HPFS_MAXFILENAME;
1200 *ap->a_retval = PATH_MAX;
1202 case _PC_CHOWN_RESTRICTED:
1208 #if defined(__NetBSD__)
1212 case _PC_FILESIZEBITS:
1224 * Global vfs data structures
1227 struct vop_ops hpfs_vnode_vops = {
1228 .vop_default = vop_defaultop,
1229 .vop_getattr = hpfs_getattr,
1230 .vop_setattr = hpfs_setattr,
1231 .vop_inactive = hpfs_inactive,
1232 .vop_reclaim = hpfs_reclaim,
1233 .vop_print = hpfs_print,
1234 .vop_old_create = hpfs_create,
1235 .vop_old_remove = hpfs_remove,
1236 .vop_old_lookup = hpfs_lookup,
1237 .vop_access = hpfs_access,
1238 .vop_readdir = hpfs_readdir,
1239 .vop_fsync = hpfs_fsync,
1240 .vop_bmap = hpfs_bmap,
1241 .vop_getpages = hpfs_getpages,
1242 .vop_putpages = hpfs_putpages,
1243 .vop_strategy = hpfs_strategy,
1244 .vop_read = hpfs_read,
1245 .vop_write = hpfs_write,
1246 .vop_ioctl = hpfs_ioctl,
1247 .vop_pathconf = hpfs_pathconf