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 1.47 2008/06/19 23:27:39 dillon Exp $
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
36 #include <sys/types.h>
38 #include <sys/vnode.h>
39 #include <sys/mount.h>
40 #include <sys/namei.h>
41 #include <sys/malloc.h>
43 #include <sys/dirent.h>
45 #include <machine/limits.h>
48 #include <vm/vm_param.h>
49 #if !defined(__DragonFly__)
50 #include <vm/vm_prot.h>
52 #include <vm/vm_page.h>
53 #include <vm/vm_object.h>
54 #include <vm/vm_pager.h>
55 #include <vm/vm_zone.h>
56 #if defined(__DragonFly__)
57 #include <vm/vnode_pager.h>
59 #include <vm/vm_extern.h>
62 #if !defined(__DragonFly__)
63 #include <miscfs/specfs/specdev.h>
64 #include <miscfs/genfs/genfs.h>
67 #include <sys/unistd.h> /* for pathconf(2) constants */
70 #include "hpfsmount.h"
71 #include "hpfs_subr.h"
72 #include "hpfs_ioctl.h"
74 static int hpfs_de_uiomove (int *, struct hpfsmount *,
75 struct hpfsdirent *, struct uio *);
76 static int hpfs_ioctl (struct vop_ioctl_args *ap);
77 static int hpfs_read (struct vop_read_args *);
78 static int hpfs_write (struct vop_write_args *ap);
79 static int hpfs_getattr (struct vop_getattr_args *ap);
80 static int hpfs_setattr (struct vop_setattr_args *ap);
81 static int hpfs_inactive (struct vop_inactive_args *ap);
82 static int hpfs_print (struct vop_print_args *ap);
83 static int hpfs_reclaim (struct vop_reclaim_args *ap);
84 static int hpfs_strategy (struct vop_strategy_args *ap);
85 static int hpfs_access (struct vop_access_args *ap);
86 static int hpfs_readdir (struct vop_readdir_args *ap);
87 static int hpfs_lookup (struct vop_old_lookup_args *ap);
88 static int hpfs_create (struct vop_old_create_args *);
89 static int hpfs_remove (struct vop_old_remove_args *);
90 static int hpfs_bmap (struct vop_bmap_args *ap);
91 #if defined(__DragonFly__)
92 static int hpfs_fsync (struct vop_fsync_args *ap);
94 static int hpfs_pathconf (struct vop_pathconf_args *ap);
96 #if defined(__DragonFly__)
99 * hpfs_fsync(struct vnode *a_vp, int a_waitfor)
102 hpfs_fsync(struct vop_fsync_args *ap)
104 struct vnode *vp = ap->a_vp;
107 * Flush all dirty buffers associated with a vnode.
112 vfsync(vp, ap->a_waitfor, 0, NULL, NULL);
114 if (ap->a_waitfor == MNT_WAIT && !RB_EMPTY(&vp->v_rbdirty_tree)) {
115 vprint("hpfs_fsync: dirty", vp);
121 * Write out the on-disc version of the vnode.
123 return hpfs_update(VTOHP(vp));
129 * hpfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
130 * int a_fflag, struct ucred *a_cred)
133 hpfs_ioctl(struct vop_ioctl_args *ap)
135 struct vnode *vp = ap->a_vp;
136 struct hpfsnode *hp = VTOHP(vp);
139 kprintf("hpfs_ioctl(0x%x, 0x%lx, 0x%p, 0x%x): ",
140 hp->h_no, ap->a_command, ap->a_data, ap->a_fflag);
142 switch (ap->a_command) {
143 case HPFSIOCGEANUM: {
150 if (hp->h_fn.fn_ealen > 0) {
151 eap = (struct ea *)&(hp->h_fn.fn_int);
154 while (passed < hp->h_fn.fn_ealen) {
156 kprintf("EAname: %s\n", EA_NAME(eap));
159 passed += sizeof(struct ea) +
160 eap->ea_namelen + 1 + eap->ea_vallen;
161 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
169 kprintf("%lu eas\n", eanum);
171 *(u_long *)ap->a_data = eanum;
180 kprintf("EA%ld\n", *(u_long *)ap->a_data);
183 if (hp->h_fn.fn_ealen > 0) {
184 eap = (struct ea *)&(hp->h_fn.fn_int);
188 while (passed < hp->h_fn.fn_ealen) {
189 kprintf("EAname: %s\n", EA_NAME(eap));
191 if (eanum == *(u_long *)ap->a_data) {
192 *(u_long *)ap->a_data =
193 eap->ea_namelen + 1 +
201 passed += sizeof(struct ea) +
202 eap->ea_namelen + 1 + eap->ea_vallen;
203 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
215 struct hpfs_rdea *rdeap;
218 rdeap = (struct hpfs_rdea *)ap->a_data;
219 kprintf("EA%ld\n", rdeap->ea_no);
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 kprintf("EAname: %s\n", EA_NAME(eap));
230 if (eanum == rdeap->ea_no) {
231 rdeap->ea_sz = eap->ea_namelen + 1 +
233 copyout(EA_NAME(eap),rdeap->ea_data,
240 passed += sizeof(struct ea) +
241 eap->ea_namelen + 1 + eap->ea_vallen;
242 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
259 * Map file offset to disk offset.
261 * hpfs_bmap(struct vnode *a_vp, off_t a_loffset,
262 * off_t *a_doffsetp, int *a_runp, int *a_runb)
265 hpfs_bmap(struct vop_bmap_args *ap)
267 struct hpfsnode *hp = VTOHP(ap->a_vp);
272 if (ap->a_runb != NULL)
274 if (ap->a_doffsetp == NULL)
277 dprintf(("hpfs_bmap(0x%x, 0x%x): ",hp->h_no, ap->a_bn));
279 lbn = ap->a_loffset >> DEV_BSHIFT;
280 KKASSERT(((int)ap->a_loffset & DEV_BMASK) == 0);
282 error = hpfs_hpbmap (hp, lbn, &dbn, ap->a_runp);
283 if (error || dbn == (daddr_t)-1) {
284 *ap->a_doffsetp = NOOFFSET;
286 *ap->a_doffsetp = (off_t)dbn << DEV_BSHIFT;
292 * hpfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
293 * struct ucred *a_cred)
296 hpfs_read(struct vop_read_args *ap)
298 struct vnode *vp = ap->a_vp;
299 struct hpfsnode *hp = VTOHP(vp);
300 struct uio *uio = ap->a_uio;
302 u_int xfersz, toread;
309 resid = min (uio->uio_resid, hp->h_fn.fn_size - uio->uio_offset);
311 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));
314 lbn = uio->uio_offset >> DEV_BSHIFT;
315 off = uio->uio_offset & (DEV_BSIZE - 1);
316 dprintf(("hpfs_read: resid: 0x%x lbn: 0x%x off: 0x%x\n",
317 uio->uio_resid, lbn, off));
318 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
322 toread = min(off + resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
323 xfersz = (toread + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
324 dprintf(("hpfs_read: bn: 0x%x (0x%x) toread: 0x%x (0x%x)\n",
325 bn, runl, toread, xfersz));
330 error = bread(hp->h_devvp, dbtodoff(bn), xfersz, &bp);
336 error = uiomove(bp->b_data + off, toread - off, uio);
344 dprintf(("hpfs_read: successful\n"));
349 * hpfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
350 * struct ucred *a_cred)
353 hpfs_write(struct vop_write_args *ap)
355 struct vnode *vp = ap->a_vp;
356 struct hpfsnode *hp = VTOHP(vp);
357 struct uio *uio = ap->a_uio;
359 u_int xfersz, towrite;
365 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));
367 if (ap->a_ioflag & IO_APPEND) {
368 dprintf(("hpfs_write: APPEND mode\n"));
369 uio->uio_offset = hp->h_fn.fn_size;
371 if (uio->uio_offset + uio->uio_resid > hp->h_fn.fn_size) {
372 error = hpfs_extend (hp, uio->uio_offset + uio->uio_resid);
374 kprintf("hpfs_write: hpfs_extend FAILED %d\n", error);
379 while (uio->uio_resid) {
380 lbn = uio->uio_offset >> DEV_BSHIFT;
381 off = uio->uio_offset & (DEV_BSIZE - 1);
382 dprintf(("hpfs_write: resid: 0x%x lbn: 0x%x off: 0x%x\n",
383 uio->uio_resid, lbn, off));
384 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
388 towrite = min(off + uio->uio_resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
389 xfersz = (towrite + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
390 dprintf(("hpfs_write: bn: 0x%x (0x%x) towrite: 0x%x (0x%x)\n",
391 bn, runl, towrite, xfersz));
394 * We do not have to issue a read-before-write if the xfer
395 * size does not cover the whole block.
397 * In the UIO_NOCOPY case, however, we are not overwriting
398 * anything and must do a read-before-write to fill in
399 * any missing pieces.
401 if (off == 0 && towrite == xfersz &&
402 uio->uio_segflg != UIO_NOCOPY) {
403 bp = getblk(hp->h_devvp, dbtodoff(bn), xfersz, 0, 0);
406 error = bread(hp->h_devvp, dbtodoff(bn), xfersz, &bp);
413 error = uiomove(bp->b_data + off, towrite - off, uio);
419 if (ap->a_ioflag & IO_SYNC)
425 dprintf(("hpfs_write: successful\n"));
430 * XXXXX do we need hpfsnode locking inside?
432 * hpfs_getattr(struct vnode *a_vp, struct vattr *a_vap)
435 hpfs_getattr(struct vop_getattr_args *ap)
437 struct vnode *vp = ap->a_vp;
438 struct hpfsnode *hp = VTOHP(vp);
439 struct vattr *vap = ap->a_vap;
442 dprintf(("hpfs_getattr(0x%x):\n", hp->h_no));
444 #if defined(__DragonFly__)
445 vap->va_fsid = dev2udev(hp->h_dev);
446 #else /* defined(__NetBSD__) */
447 vap->va_fsid = ip->i_dev;
449 vap->va_fileid = hp->h_no;
450 vap->va_mode = hp->h_mode;
452 vap->va_uid = hp->h_uid;
453 vap->va_gid = hp->h_gid;
454 vap->va_rmajor = VNOVAL;
455 vap->va_rminor = VNOVAL;
456 vap->va_size = hp->h_fn.fn_size;
457 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
460 if (!(hp->h_flag & H_PARVALID)) {
461 error = hpfs_validateparent(hp);
465 vap->va_atime = hpfstimetounix(hp->h_atime);
466 vap->va_mtime = hpfstimetounix(hp->h_mtime);
467 vap->va_ctime = hpfstimetounix(hp->h_ctime);
471 vap->va_blocksize = DEV_BSIZE;
472 vap->va_type = vp->v_type;
479 * XXXXX do we need hpfsnode locking inside?
481 * hpfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred)
484 hpfs_setattr(struct vop_setattr_args *ap)
486 struct vnode *vp = ap->a_vp;
487 struct hpfsnode *hp = VTOHP(vp);
488 struct vattr *vap = ap->a_vap;
489 struct ucred *cred = ap->a_cred;
492 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
495 * Check for unsettable attributes.
497 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
498 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
499 (vap->va_blocksize != VNOVAL) || (vap->va_rmajor != VNOVAL) ||
500 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
501 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
505 /* Can't change flags XXX Could be implemented */
506 if (vap->va_flags != VNOVAL) {
507 kprintf("hpfs_setattr: FLAGS CANNOT BE SET\n");
511 /* Can't change uid/gid XXX Could be implemented */
512 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
513 kprintf("hpfs_setattr: UID/GID CANNOT BE SET\n");
517 /* Can't change mode XXX Could be implemented */
518 if (vap->va_mode != (mode_t)VNOVAL) {
519 kprintf("hpfs_setattr: MODE CANNOT BE SET\n");
524 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
525 if (vp->v_mount->mnt_flag & MNT_RDONLY)
527 if (cred->cr_uid != hp->h_uid &&
528 (error = priv_check_cred(cred, PRIV_VFS_SETATTR, 0)) &&
529 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
530 (error = VOP_ACCESS(vp, VWRITE, cred))))
532 if (vap->va_atime.tv_sec != VNOVAL)
533 hp->h_atime = vap->va_atime.tv_sec;
534 if (vap->va_mtime.tv_sec != VNOVAL)
535 hp->h_mtime = vap->va_mtime.tv_sec;
537 hp->h_flag |= H_PARCHANGE;
540 if (vap->va_size != VNOVAL) {
541 switch (vp->v_type) {
545 if (vp->v_mount->mnt_flag & MNT_RDONLY)
549 kprintf("hpfs_setattr: WRONG v_type\n");
553 if (vap->va_size < hp->h_fn.fn_size) {
554 #if defined(__DragonFly__)
555 error = vtruncbuf(vp, vap->va_size, DEV_BSIZE);
558 #else /* defined(__NetBSD__) */
559 #error Need alternation for vtruncbuf()
561 error = hpfs_truncate(hp, vap->va_size);
565 } else if (vap->va_size > hp->h_fn.fn_size) {
566 #if defined(__DragonFly__)
567 vnode_pager_setsize(vp, vap->va_size);
569 error = hpfs_extend(hp, vap->va_size);
579 * Last reference to an node. If necessary, write or delete it.
581 * hpfs_inactive(struct vnode *a_vp)
584 hpfs_inactive(struct vop_inactive_args *ap)
586 struct vnode *vp = ap->a_vp;
587 struct hpfsnode *hp = VTOHP(vp);
590 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
592 if (hp->h_flag & H_CHANGE) {
593 dprintf(("hpfs_inactive: node changed, update\n"));
594 error = hpfs_update (hp);
599 if (hp->h_flag & H_PARCHANGE) {
600 dprintf(("hpfs_inactive: parent node changed, update\n"));
601 error = hpfs_updateparent (hp);
606 if (prtactive && vp->v_sysref.refcnt > 1)
607 vprint("hpfs_inactive: pushing active", vp);
609 if (hp->h_flag & H_INVAL) {
610 #if defined(__DragonFly__)
612 #else /* defined(__NetBSD__) */
621 * Reclaim an inode so that it can be used for other purposes.
623 * hpfs_reclaim(struct vnode *a_vp)
626 hpfs_reclaim(struct vop_reclaim_args *ap)
628 struct vnode *vp = ap->a_vp;
629 struct hpfsnode *hp = VTOHP(vp);
631 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
635 /* Purge old data structures associated with the inode. */
649 * hpfs_print(struct vnode *a_vp)
652 hpfs_print(struct vop_print_args *ap)
654 struct vnode *vp = ap->a_vp;
655 struct hpfsnode *hp = VTOHP(vp);
657 kprintf("tag VT_HPFS, ino 0x%x",hp->h_no);
658 lockmgr_printinfo(&vp->v_lock);
664 * Calculate the logical to physical mapping if not done already,
665 * then call the device strategy routine.
667 * In order to be able to swap to a file, the VOP_BMAP operation may not
668 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
670 * hpfs_strategy(struct vnode *a_vp, struct bio *a_bio)
673 hpfs_strategy(struct vop_strategy_args *ap)
675 struct bio *bio = ap->a_bio;
677 struct buf *bp = bio->bio_buf;
678 struct vnode *vp = ap->a_vp;
682 dprintf(("hpfs_strategy(): \n"));
684 if (vp->v_type == VBLK || vp->v_type == VCHR)
685 panic("hpfs_strategy: spec");
687 nbio = push_bio(bio);
688 if (nbio->bio_offset == NOOFFSET) {
689 error = VOP_BMAP(vp, bio->bio_offset, &nbio->bio_offset,
690 NULL, NULL, bp->b_cmd);
692 kprintf("hpfs_strategy: VOP_BMAP FAILED %d\n", error);
694 bp->b_flags |= B_ERROR;
695 /* I/O was never started on nbio, must biodone(bio) */
699 if (nbio->bio_offset == NOOFFSET)
702 if (nbio->bio_offset == NOOFFSET) {
703 /* I/O was never started on nbio, must biodone(bio) */
707 hp = VTOHP(ap->a_vp);
708 vn_strategy(hp->h_devvp, nbio);
713 * XXXXX do we need hpfsnode locking inside?
715 * hpfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred)
718 hpfs_access(struct vop_access_args *ap)
720 struct vnode *vp = ap->a_vp;
721 struct hpfsnode *hp = VTOHP(vp);
722 struct ucred *cred = ap->a_cred;
723 mode_t mask, mode = ap->a_mode;
727 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
730 * Disallow write attempts on read-only file systems;
731 * unless the file is a socket, fifo, or a block or
732 * character device resident on the file system.
735 switch ((int)vp->v_type) {
739 if (vp->v_mount->mnt_flag & MNT_RDONLY)
745 /* Otherwise, user id 0 always gets access. */
746 if (cred->cr_uid == 0)
751 /* Otherwise, check the owner. */
752 if (cred->cr_uid == hp->h_uid) {
759 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
762 /* Otherwise, check the groups. */
763 for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++)
764 if (hp->h_gid == *gp) {
771 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
774 /* Otherwise, check everyone else. */
781 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
785 hpfs_de_uiomove(int *error, struct hpfsmount *hpmp, struct hpfsdirent *dep,
788 char convname[HPFS_MAXFILENAME + 1];
791 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
792 dep->de_fnode, dep->de_size, dep->de_namelen,
793 dep->de_namelen, dep->de_name, dep->de_flag));
795 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
796 for (i=0; i<dep->de_namelen; i++)
797 convname[i] = hpfs_d2u(hpmp, dep->de_name[i]);
798 convname[dep->de_namelen] = '\0';
800 success = vop_write_dirent(error, uio, dep->de_fnode,
801 (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG,
802 dep->de_namelen, convname);
804 dprintf(("[0x%x] ", uio->uio_resid));
810 * hpfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
811 * int *a_ncookies, off_t **cookies)
814 hpfs_readdir(struct vop_readdir_args *ap)
816 struct vnode *vp = ap->a_vp;
817 struct hpfsnode *hp = VTOHP(vp);
818 struct hpfsmount *hpmp = hp->h_hpmp;
819 struct uio *uio = ap->a_uio;
820 int ncookies = 0, i, num, cnum;
824 struct hpfsdirent *dep;
829 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
832 * As we need to fake up . and .., and the remaining directory structure
833 * can't be expressed in one off_t as well, we just increment uio_offset
834 * by 1 for each entry.
836 * num is the entry we need to start reporting
837 * cnum is the current entry
839 if (uio->uio_offset < 0 || uio->uio_offset > INT_MAX)
841 if ((error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY)) != 0)
844 num = uio->uio_offset;
848 dprintf((". faked, "));
849 if (vop_write_dirent(&error, uio, hp->h_no, DT_DIR, 1, "."))
858 dprintf((".. faked, "));
859 if (vop_write_dirent(&error, uio, hp->h_fn.fn_parent, DT_DIR, 2, ".."))
867 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
873 dprintf(("[dive 0x%x] ", lsn));
874 error = bread(hp->h_devvp, dbtodoff(lsn), D_BSIZE, &bp);
880 dp = (struct dirblk *) bp->b_data;
881 if (dp->d_magic != D_MAGIC) {
882 kprintf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
891 dprintf(("[restore 0x%x] ", olsn));
893 while(!(dep->de_flag & DE_END) ) {
894 if((dep->de_flag & DE_DOWN) &&
895 (olsn == DE_DOWNLSN(dep)))
897 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
900 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
901 if (dep->de_flag & DE_END)
904 if (!(dep->de_flag & DE_SPECIAL)) {
906 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
908 dprintf(("[resid] "));
920 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
922 kprintf("hpfs_readdir: ERROR! oLSN not found\n");
931 while(!(dep->de_flag & DE_END)) {
932 if(dep->de_flag & DE_DOWN) {
933 lsn = DE_DOWNLSN(dep);
939 if (!(dep->de_flag & DE_SPECIAL)) {
941 if (hpfs_de_uiomove(&error, hpmp, dep, uio)) {
943 dprintf(("[resid] "));
955 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
958 if(dep->de_flag & DE_DOWN) {
959 dprintf(("[enddive] "));
960 lsn = DE_DOWNLSN(dep);
973 dprintf(("[level %d] ", level));
976 goto dive; /* undive really */
984 uio->uio_offset = cnum;
985 dprintf(("[readdone]\n"));
986 if (!error && ap->a_ncookies != NULL) {
990 dprintf(("%d cookies, ",ncookies));
991 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
992 panic("hpfs_readdir: unexpected uio from NFS server");
993 MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
995 for (cookiep = cookies, i=0; i < ncookies; i++)
998 *ap->a_ncookies = ncookies;
999 *ap->a_cookies = cookies;
1003 vn_unlock(ap->a_vp);
1008 * hpfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
1009 * struct componentname *a_cnp)
1012 hpfs_lookup(struct vop_old_lookup_args *ap)
1014 struct vnode *dvp = ap->a_dvp;
1015 struct hpfsnode *dhp = VTOHP(dvp);
1016 struct hpfsmount *hpmp = dhp->h_hpmp;
1017 struct componentname *cnp = ap->a_cnp;
1018 struct ucred *cred = cnp->cn_cred;
1020 int nameiop = cnp->cn_nameiop;
1021 int flags = cnp->cn_flags;
1022 int lockparent = flags & CNP_LOCKPARENT;
1024 int wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
1026 dprintf(("hpfs_lookup(0x%x, %s, %ld, %d, %d): \n",
1027 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen,
1028 lockparent, wantparent));
1030 if (nameiop != NAMEI_CREATE && nameiop != NAMEI_DELETE && nameiop != NAMEI_LOOKUP) {
1031 kprintf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1032 return (EOPNOTSUPP);
1035 error = VOP_ACCESS(dvp, VEXEC, cred);
1039 if( (cnp->cn_namelen == 1) &&
1040 !strncmp(cnp->cn_nameptr,".",1) ) {
1041 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1047 } else if( (cnp->cn_namelen == 2) &&
1048 !strncmp(cnp->cn_nameptr,"..",2) && (flags & CNP_ISDOTDOT) ) {
1049 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1050 dhp->h_no, dhp->h_fn.fn_parent));
1052 VOP__UNLOCK(dvp, 0);
1054 error = VFS_VGET(hpmp->hpm_mp, NULL,
1055 dhp->h_fn.fn_parent, ap->a_vpp);
1061 if (lockparent && (error = VOP__LOCK(dvp, 0))) {
1062 vput( *(ap->a_vpp) );
1068 struct hpfsdirent *dep;
1069 struct hpfsnode *hp;
1071 error = hpfs_genlookupbyname(dhp,
1072 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1074 if (error == ENOENT &&
1075 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME)) {
1077 VOP__UNLOCK(dvp, 0);
1078 return (EJUSTRETURN);
1084 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1085 dep->de_fnode, dep->de_cpid));
1087 if (nameiop == NAMEI_DELETE) {
1088 error = VOP_ACCESS(dvp, VWRITE, cred);
1095 if (dhp->h_no == dep->de_fnode) {
1102 error = VFS_VGET(hpmp->hpm_mp, NULL, dep->de_fnode, ap->a_vpp);
1104 kprintf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1109 hp = VTOHP(*ap->a_vpp);
1111 hp->h_mtime = dep->de_mtime;
1112 hp->h_ctime = dep->de_ctime;
1113 hp->h_atime = dep->de_atime;
1114 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1115 hp->h_name[dep->de_namelen] = '\0';
1116 hp->h_namelen = dep->de_namelen;
1117 hp->h_flag |= H_PARVALID;
1122 VOP__UNLOCK(dvp, 0);
1128 * hpfs_remove(struct vnode *a_dvp, struct vnode *a_vp,
1129 * struct componentname *a_cnp)
1132 hpfs_remove(struct vop_old_remove_args *ap)
1136 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1137 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1139 if (ap->a_vp->v_type == VDIR)
1142 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1147 * hpfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
1148 * struct componentname *a_cnp, struct vattr *a_vap)
1151 hpfs_create(struct vop_old_create_args *ap)
1155 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1156 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1158 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1164 * Return POSIX pathconf information applicable to NTFS filesystem
1166 * hpfs_pathconf(struct vnode *a_vp, int a_name, t *a_retval)
1169 hpfs_pathconf(struct vop_pathconf_args *ap)
1171 switch (ap->a_name) {
1176 *ap->a_retval = HPFS_MAXFILENAME;
1179 *ap->a_retval = PATH_MAX;
1181 case _PC_CHOWN_RESTRICTED:
1187 #if defined(__NetBSD__)
1191 case _PC_FILESIZEBITS:
1203 * Global vfs data structures
1206 struct vop_ops hpfs_vnode_vops = {
1207 .vop_default = vop_defaultop,
1208 .vop_getattr = hpfs_getattr,
1209 .vop_setattr = hpfs_setattr,
1210 .vop_inactive = hpfs_inactive,
1211 .vop_reclaim = hpfs_reclaim,
1212 .vop_print = hpfs_print,
1213 .vop_old_create = hpfs_create,
1214 .vop_old_remove = hpfs_remove,
1215 .vop_old_lookup = hpfs_lookup,
1216 .vop_access = hpfs_access,
1217 .vop_readdir = hpfs_readdir,
1218 .vop_fsync = hpfs_fsync,
1219 .vop_bmap = hpfs_bmap,
1220 .vop_getpages = vop_stdgetpages,
1221 .vop_putpages = vop_stdputpages,
1222 .vop_strategy = hpfs_strategy,
1223 .vop_read = hpfs_read,
1224 .vop_write = hpfs_write,
1225 .vop_ioctl = hpfs_ioctl,
1226 .vop_pathconf = hpfs_pathconf