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
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #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>
43 #include <sys/dirent.h>
46 #include <vm/vm_param.h>
47 #include <vm/vm_page.h>
48 #include <vm/vm_object.h>
49 #include <vm/vm_pager.h>
50 #include <vm/vnode_pager.h>
51 #include <vm/vm_extern.h>
53 #include <sys/unistd.h> /* for pathconf(2) constants */
55 #include <fs/hpfs/hpfs.h>
56 #include <fs/hpfs/hpfsmount.h>
57 #include <fs/hpfs/hpfs_subr.h>
58 #include <fs/hpfs/hpfs_ioctl.h>
60 static int hpfs_de_uiomove(struct hpfsmount *, struct hpfsdirent *,
62 static vop_ioctl_t hpfs_ioctl;
63 static vop_read_t hpfs_read;
64 static vop_write_t hpfs_write;
65 static vop_getattr_t hpfs_getattr;
66 static vop_setattr_t hpfs_setattr;
67 static vop_inactive_t hpfs_inactive;
68 static vop_print_t hpfs_print;
69 static vop_reclaim_t hpfs_reclaim;
70 static vop_strategy_t hpfs_strategy;
71 static vop_access_t hpfs_access;
72 static vop_open_t hpfs_open;
73 static vop_close_t hpfs_close;
74 static vop_readdir_t hpfs_readdir;
75 static vop_cachedlookup_t hpfs_lookup;
76 static vop_create_t hpfs_create;
77 static vop_remove_t hpfs_remove;
78 static vop_bmap_t hpfs_bmap;
79 static vop_fsync_t hpfs_fsync;
80 static vop_pathconf_t hpfs_pathconf;
84 struct vop_fsync_args /* {
92 * Flush our dirty buffers.
97 * Write out the on-disc version of the vnode.
99 return hpfs_update(VTOHP(ap->a_vp));
104 struct vop_ioctl_args /* {
109 struct ucred *a_cred;
113 register struct vnode *vp = ap->a_vp;
114 register struct hpfsnode *hp = VTOHP(vp);
117 printf("hpfs_ioctl(0x%x, 0x%lx, 0x%p, 0x%x): ",
118 hp->h_no, ap->a_command, ap->a_data, ap->a_fflag);
120 switch (ap->a_command) {
121 case HPFSIOCGEANUM: {
128 if (hp->h_fn.fn_ealen > 0) {
129 eap = (struct ea *)&(hp->h_fn.fn_int);
132 while (passed < hp->h_fn.fn_ealen) {
134 printf("EAname: %s\n", EA_NAME(eap));
137 passed += sizeof(struct ea) +
138 eap->ea_namelen + 1 + eap->ea_vallen;
139 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
147 printf("%lu eas\n", eanum);
149 *(u_long *)ap->a_data = eanum;
158 printf("EA%ld\n", *(u_long *)ap->a_data);
161 if (hp->h_fn.fn_ealen > 0) {
162 eap = (struct ea *)&(hp->h_fn.fn_int);
166 while (passed < hp->h_fn.fn_ealen) {
167 printf("EAname: %s\n", EA_NAME(eap));
169 if (eanum == *(u_long *)ap->a_data) {
170 *(u_long *)ap->a_data =
171 eap->ea_namelen + 1 +
179 passed += sizeof(struct ea) +
180 eap->ea_namelen + 1 + eap->ea_vallen;
181 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
193 struct hpfs_rdea *rdeap;
196 rdeap = (struct hpfs_rdea *)ap->a_data;
197 printf("EA%ld\n", rdeap->ea_no);
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 == rdeap->ea_no) {
209 rdeap->ea_sz = eap->ea_namelen + 1 +
211 copyout(EA_NAME(eap),rdeap->ea_data,
218 passed += sizeof(struct ea) +
219 eap->ea_namelen + 1 + eap->ea_vallen;
220 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
237 * Map file offset to disk offset.
241 struct vop_bmap_args /* {
244 struct bufobj **a_bop;
250 register struct hpfsnode *hp = VTOHP(ap->a_vp);
254 if (ap->a_bop != NULL)
255 *ap->a_bop = &hp->h_devvp->v_bufobj;
256 if (ap->a_runb != NULL)
258 if (ap->a_bnp == NULL)
261 dprintf(("hpfs_bmap(0x%x, 0x%x): ",hp->h_no, ap->a_bn));
263 error = hpfs_hpbmap (hp, ap->a_bn, &blkno, ap->a_runp);
271 struct vop_read_args /* {
275 struct ucred *a_cred;
278 register struct vnode *vp = ap->a_vp;
279 register struct hpfsnode *hp = VTOHP(vp);
280 struct uio *uio = ap->a_uio;
282 u_int xfersz, toread;
289 resid = min (uio->uio_resid, hp->h_fn.fn_size - uio->uio_offset);
291 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));
294 lbn = uio->uio_offset >> DEV_BSHIFT;
295 off = uio->uio_offset & (DEV_BSIZE - 1);
296 dprintf(("hpfs_read: resid: 0x%x lbn: 0x%x off: 0x%x\n",
297 uio->uio_resid, lbn, off));
298 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
302 toread = min(off + resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
303 xfersz = (toread + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
304 dprintf(("hpfs_read: bn: 0x%x (0x%x) toread: 0x%x (0x%x)\n",
305 bn, runl, toread, xfersz));
310 error = bread(hp->h_devvp, bn, xfersz, NOCRED, &bp);
316 error = uiomove(bp->b_data + off, toread - off, uio);
324 dprintf(("hpfs_read: successful\n"));
330 struct vop_write_args /* {
334 struct ucred *a_cred;
337 register struct vnode *vp = ap->a_vp;
338 register struct hpfsnode *hp = VTOHP(vp);
339 struct uio *uio = ap->a_uio;
341 u_int xfersz, towrite;
347 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));
349 if (ap->a_ioflag & IO_APPEND) {
350 dprintf(("hpfs_write: APPEND mode\n"));
351 uio->uio_offset = hp->h_fn.fn_size;
353 if (uio->uio_offset + uio->uio_resid > hp->h_fn.fn_size) {
354 error = hpfs_extend (hp, uio->uio_offset + uio->uio_resid);
356 printf("hpfs_write: hpfs_extend FAILED %d\n", error);
361 while (uio->uio_resid) {
362 lbn = uio->uio_offset >> DEV_BSHIFT;
363 off = uio->uio_offset & (DEV_BSIZE - 1);
364 dprintf(("hpfs_write: resid: 0x%x lbn: 0x%x off: 0x%x\n",
365 uio->uio_resid, lbn, off));
366 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
370 towrite = min(off + uio->uio_resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
371 xfersz = (towrite + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
372 dprintf(("hpfs_write: bn: 0x%x (0x%x) towrite: 0x%x (0x%x)\n",
373 bn, runl, towrite, xfersz));
375 if ((off == 0) && (towrite == xfersz)) {
376 bp = getblk(hp->h_devvp, bn, xfersz, 0, 0, 0);
379 error = bread(hp->h_devvp, bn, xfersz, NOCRED, &bp);
386 error = uiomove(bp->b_data + off, towrite - off, uio);
392 if (ap->a_ioflag & IO_SYNC)
398 dprintf(("hpfs_write: successful\n"));
403 * XXXXX do we need hpfsnode locking inside?
407 struct vop_getattr_args /* {
410 struct ucred *a_cred;
414 register struct vnode *vp = ap->a_vp;
415 register struct hpfsnode *hp = VTOHP(vp);
416 register struct vattr *vap = ap->a_vap;
419 dprintf(("hpfs_getattr(0x%x):\n", hp->h_no));
421 vap->va_fsid = dev2udev(hp->h_dev);
422 vap->va_fileid = hp->h_no;
423 vap->va_mode = hp->h_mode;
425 vap->va_uid = hp->h_uid;
426 vap->va_gid = hp->h_gid;
427 vap->va_rdev = 0; /* XXX UNODEV ? */
428 vap->va_size = hp->h_fn.fn_size;
429 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
432 if (!(hp->h_flag & H_PARVALID)) {
433 error = hpfs_validateparent(hp);
437 vap->va_atime = hpfstimetounix(hp->h_atime);
438 vap->va_mtime = hpfstimetounix(hp->h_mtime);
439 vap->va_ctime = hpfstimetounix(hp->h_ctime);
443 vap->va_blocksize = DEV_BSIZE;
444 vap->va_type = vp->v_type;
451 * XXXXX do we need hpfsnode locking inside?
455 struct vop_setattr_args /* {
458 struct ucred *a_cred;
462 struct vnode *vp = ap->a_vp;
463 struct hpfsnode *hp = VTOHP(vp);
464 struct vattr *vap = ap->a_vap;
465 struct ucred *cred = ap->a_cred;
466 struct thread *td = ap->a_td;
469 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
472 * Check for unsettable attributes.
474 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
475 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
476 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
477 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
478 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
482 /* Can't change flags XXX Could be implemented */
483 if (vap->va_flags != VNOVAL) {
484 printf("hpfs_setattr: FLAGS CANNOT BE SET\n");
488 /* Can't change uid/gid XXX Could be implemented */
489 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
490 printf("hpfs_setattr: UID/GID CANNOT BE SET\n");
494 /* Can't change mode XXX Could be implemented */
495 if (vap->va_mode != (mode_t)VNOVAL) {
496 printf("hpfs_setattr: MODE CANNOT BE SET\n");
501 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
502 if (vp->v_mount->mnt_flag & MNT_RDONLY)
504 if (cred->cr_uid != hp->h_uid &&
505 (error = suser_cred(cred, SUSER_ALLOWJAIL)) &&
506 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
507 (error = VOP_ACCESS(vp, VWRITE, cred, td))))
509 if (vap->va_atime.tv_sec != VNOVAL)
510 hp->h_atime = vap->va_atime.tv_sec;
511 if (vap->va_mtime.tv_sec != VNOVAL)
512 hp->h_mtime = vap->va_mtime.tv_sec;
514 hp->h_flag |= H_PARCHANGE;
517 if (vap->va_size != VNOVAL) {
518 switch (vp->v_type) {
522 if (vp->v_mount->mnt_flag & MNT_RDONLY)
526 printf("hpfs_setattr: WRONG v_type\n");
530 if (vap->va_size < hp->h_fn.fn_size) {
531 error = vtruncbuf(vp, cred, td, vap->va_size, DEV_BSIZE);
534 error = hpfs_truncate(hp, vap->va_size);
538 } else if (vap->va_size > hp->h_fn.fn_size) {
539 vnode_pager_setsize(vp, vap->va_size);
540 error = hpfs_extend(hp, vap->va_size);
550 * Last reference to a node. If necessary, write or delete it.
554 struct vop_inactive_args /* {
558 register struct vnode *vp = ap->a_vp;
559 register struct hpfsnode *hp = VTOHP(vp);
562 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
564 if (hp->h_flag & H_CHANGE) {
565 dprintf(("hpfs_inactive: node changed, update\n"));
566 error = hpfs_update (hp);
571 if (hp->h_flag & H_PARCHANGE) {
572 dprintf(("hpfs_inactive: parent node changed, update\n"));
573 error = hpfs_updateparent (hp);
578 if (prtactive && vrefcnt(vp) != 0)
579 vprint("hpfs_inactive: pushing active", vp);
581 if (hp->h_flag & H_INVAL) {
582 vrecycle(vp, ap->a_td);
590 * Reclaim an inode so that it can be used for other purposes.
594 struct vop_reclaim_args /* {
598 register struct vnode *vp = ap->a_vp;
599 register struct hpfsnode *hp = VTOHP(vp);
601 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
604 * Destroy the vm object and flush associated pages.
606 vnode_destroy_vobject(vp);
610 mtx_destroy(&hp->h_interlock);
621 struct vop_print_args /* {
625 register struct vnode *vp = ap->a_vp;
626 register struct hpfsnode *hp = VTOHP(vp);
628 printf("\tino 0x%x\n", hp->h_no);
633 * Calculate the logical to physical mapping if not done already,
634 * then call the device strategy routine.
636 * In order to be able to swap to a file, the hpfs_hpbmap operation may not
637 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
641 struct vop_strategy_args /* {
645 register struct buf *bp = ap->a_bp;
646 register struct vnode *vp = ap->a_vp;
647 register struct hpfsnode *hp = VTOHP(ap->a_vp);
652 dprintf(("hpfs_strategy(): \n"));
654 if (vp->v_type == VBLK || vp->v_type == VCHR)
655 panic("hpfs_strategy: spec");
656 if (bp->b_blkno == bp->b_lblkno) {
657 error = hpfs_hpbmap (hp, bp->b_lblkno, &blkno, NULL);
660 printf("hpfs_strategy: hpfs_bpbmap FAILED %d\n", error);
662 bp->b_ioflags |= BIO_ERROR;
666 if ((long)bp->b_blkno == -1)
669 if ((long)bp->b_blkno == -1) {
673 bp->b_iooffset = dbtob(bp->b_blkno);
674 bo = hp->h_hpmp->hpm_bo;
680 * XXXXX do we need hpfsnode locking inside?
684 struct vop_access_args /* {
687 struct ucred *a_cred;
691 struct vnode *vp = ap->a_vp;
692 struct hpfsnode *hp = VTOHP(vp);
693 mode_t mode = ap->a_mode;
695 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
698 * Disallow write attempts on read-only filesystems;
699 * unless the file is a socket, fifo, or a block or
700 * character device resident on the filesystem.
703 switch ((int)vp->v_type) {
707 if (vp->v_mount->mnt_flag & MNT_RDONLY)
713 return (vaccess(vp->v_type, hp->h_mode, hp->h_uid, hp->h_gid,
714 ap->a_mode, ap->a_cred, NULL));
725 struct vop_open_args /* {
728 struct ucred *a_cred;
733 register struct vnode *vp = ap->a_vp;
734 register struct hpfsnode *hp = VTOHP(vp);
736 printf("hpfs_open(0x%x):\n",hp->h_no);
740 * Files marked append-only must be opened for appending.
749 * Update the times on the inode.
754 struct vop_close_args /* {
757 struct ucred *a_cred;
762 register struct vnode *vp = ap->a_vp;
763 register struct hpfsnode *hp = VTOHP(vp);
765 printf("hpfs_close: %d\n",hp->h_no);
773 struct hpfsmount *hpmp,
774 struct hpfsdirent *dep,
780 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
781 dep->de_fnode, dep->de_size, dep->de_namelen,
782 dep->de_namelen, dep->de_name, dep->de_flag));
784 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
785 for (i=0; i<dep->de_namelen; i++)
786 cde.d_name[i] = hpfs_d2u(hpmp, dep->de_name[i]);
788 cde.d_name[dep->de_namelen] = '\0';
789 cde.d_namlen = dep->de_namelen;
790 cde.d_fileno = dep->de_fnode;
791 cde.d_type = (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG;
792 cde.d_reclen = sizeof(struct dirent);
794 error = uiomove((char *)&cde, sizeof(struct dirent), uio);
798 dprintf(("[0x%x] ", uio->uio_resid));
803 static struct dirent hpfs_de_dot =
804 { 0, sizeof(struct dirent), DT_DIR, 1, "." };
805 static struct dirent hpfs_de_dotdot =
806 { 0, sizeof(struct dirent), DT_DIR, 2, ".." };
809 struct vop_readdir_args /* {
812 struct ucred *a_cred;
817 register struct vnode *vp = ap->a_vp;
818 register struct hpfsnode *hp = VTOHP(vp);
819 struct hpfsmount *hpmp = hp->h_hpmp;
820 struct uio *uio = ap->a_uio;
821 int ncookies = 0, i, num, cnum;
826 struct hpfsdirent *dep;
831 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
833 off = uio->uio_offset;
835 if( uio->uio_offset < sizeof(struct dirent) ) {
836 dprintf((". faked, "));
837 hpfs_de_dot.d_fileno = hp->h_no;
838 error = uiomove((char *)&hpfs_de_dot,sizeof(struct dirent),uio);
846 if( uio->uio_offset < 2 * sizeof(struct dirent) ) {
847 dprintf((".. faked, "));
848 hpfs_de_dotdot.d_fileno = hp->h_fn.fn_parent;
850 error = uiomove((char *)&hpfs_de_dotdot, sizeof(struct dirent),
859 num = uio->uio_offset / sizeof(struct dirent) - 2;
862 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
868 dprintf(("[dive 0x%x] ", lsn));
869 error = bread(hp->h_devvp, lsn, D_BSIZE, NOCRED, &bp);
875 dp = (struct dirblk *) bp->b_data;
876 if (dp->d_magic != D_MAGIC) {
877 printf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
885 dprintf(("[restore 0x%x] ", olsn));
887 while(!(dep->de_flag & DE_END) ) {
888 if((dep->de_flag & DE_DOWN) &&
889 (olsn == DE_DOWNLSN(dep)))
891 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
894 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
895 if (dep->de_flag & DE_END)
898 if (!(dep->de_flag & DE_SPECIAL)) {
900 if (uio->uio_resid < sizeof(struct dirent)) {
902 dprintf(("[resid] "));
906 error = hpfs_de_uiomove(hpmp, dep, uio);
913 if (uio->uio_resid < sizeof(struct dirent)) {
915 dprintf(("[resid] "));
922 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
924 printf("hpfs_readdir: ERROR! oLSN not found\n");
932 while(!(dep->de_flag & DE_END)) {
933 if(dep->de_flag & DE_DOWN) {
934 lsn = DE_DOWNLSN(dep);
940 if (!(dep->de_flag & DE_SPECIAL)) {
942 if (uio->uio_resid < sizeof(struct dirent)) {
944 dprintf(("[resid] "));
948 error = hpfs_de_uiomove(hpmp, dep, uio);
955 if (uio->uio_resid < sizeof(struct dirent)) {
957 dprintf(("[resid] "));
964 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
967 if(dep->de_flag & DE_DOWN) {
968 dprintf(("[enddive] "));
969 lsn = DE_DOWNLSN(dep);
982 dprintf(("[level %d] ", level));
985 goto dive; /* undive really */
993 dprintf(("[readdone]\n"));
994 if (!error && ap->a_ncookies != NULL) {
995 struct dirent* dpStart;
1000 dprintf(("%d cookies, ",ncookies));
1001 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1002 panic("hpfs_readdir: unexpected uio from NFS server");
1003 dpStart = (struct dirent *)
1004 ((caddr_t)uio->uio_iov->iov_base -
1005 (uio->uio_offset - off));
1006 MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
1008 for (dp = dpStart, cookiep = cookies, i=0;
1010 dp = (struct dirent *)((caddr_t) dp + dp->d_reclen), i++) {
1011 off += dp->d_reclen;
1012 *cookiep++ = (u_int) off;
1014 *ap->a_ncookies = ncookies;
1015 *ap->a_cookies = cookies;
1023 struct vop_cachedlookup_args /* {
1024 struct vnode *a_dvp;
1025 struct vnode **a_vpp;
1026 struct componentname *a_cnp;
1029 register struct vnode *dvp = ap->a_dvp;
1030 register 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 dprintf(("hpfs_lookup(0x%x, %s, %ld):\n",
1038 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen));
1040 if (nameiop != CREATE && nameiop != DELETE && nameiop != LOOKUP) {
1041 printf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1042 return (EOPNOTSUPP);
1045 error = VOP_ACCESS(dvp, VEXEC, cred, cnp->cn_thread);
1049 if( (cnp->cn_namelen == 1) &&
1050 !strncmp(cnp->cn_nameptr,".",1) ) {
1051 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1057 } else if( (cnp->cn_namelen == 2) &&
1058 !strncmp(cnp->cn_nameptr,"..",2) && (flags & ISDOTDOT) ) {
1059 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1060 dhp->h_no, dhp->h_fn.fn_parent));
1062 if (VFS_VGET(hpmp->hpm_mp, dhp->h_fn.fn_parent,
1063 LK_NOWAIT | LK_EXCLUSIVE, ap->a_vpp)) {
1064 VOP_UNLOCK(dvp,0,cnp->cn_thread);
1065 error = VFS_VGET(hpmp->hpm_mp,
1066 dhp->h_fn.fn_parent, LK_EXCLUSIVE, ap->a_vpp);
1067 vn_lock(dvp, LK_EXCLUSIVE|LK_RETRY, cnp->cn_thread);
1074 struct hpfsdirent *dep;
1075 struct hpfsnode *hp;
1077 error = hpfs_genlookupbyname(dhp,
1078 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1080 if ((error == ENOENT) && (flags & ISLASTCN) &&
1081 (nameiop == CREATE || nameiop == RENAME)) {
1082 cnp->cn_flags |= SAVENAME;
1083 return (EJUSTRETURN);
1089 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1090 dep->de_fnode, dep->de_cpid));
1092 if (nameiop == DELETE && (flags & ISLASTCN)) {
1093 error = VOP_ACCESS(dvp, VWRITE, cred, cnp->cn_thread);
1100 if (dhp->h_no == dep->de_fnode) {
1107 error = VFS_VGET(hpmp->hpm_mp, dep->de_fnode, LK_EXCLUSIVE,
1110 printf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1115 hp = VTOHP(*ap->a_vpp);
1117 hp->h_mtime = dep->de_mtime;
1118 hp->h_ctime = dep->de_ctime;
1119 hp->h_atime = dep->de_atime;
1120 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1121 hp->h_name[dep->de_namelen] = '\0';
1122 hp->h_namelen = dep->de_namelen;
1123 hp->h_flag |= H_PARVALID;
1127 if ((flags & MAKEENTRY) &&
1128 (!(flags & ISLASTCN) ||
1129 (nameiop != DELETE && nameiop != CREATE)))
1130 cache_enter(dvp, *ap->a_vpp, cnp);
1137 struct vop_remove_args /* {
1138 struct vnode *a_dvp;
1140 struct componentname *a_cnp;
1145 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1146 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1148 if (ap->a_vp->v_type == VDIR)
1151 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1157 struct vop_create_args /* {
1158 struct vnode *a_dvp;
1159 struct vnode **a_vpp;
1160 struct componentname *a_cnp;
1161 struct vattr *a_vap;
1166 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1167 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1169 if (!(ap->a_cnp->cn_flags & HASBUF))
1170 panic ("hpfs_create: no name\n");
1172 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1178 * Return POSIX pathconf information applicable to NTFS filesystem
1182 struct vop_pathconf_args /* {
1185 register_t *a_retval;
1188 switch (ap->a_name) {
1193 *ap->a_retval = HPFS_MAXFILENAME;
1196 *ap->a_retval = PATH_MAX;
1198 case _PC_CHOWN_RESTRICTED:
1212 * Global vfs data structures
1214 struct vop_vector hpfs_vnodeops = {
1215 .vop_default = &default_vnodeops,
1217 .vop_access = hpfs_access,
1218 .vop_bmap = hpfs_bmap,
1219 .vop_cachedlookup = hpfs_lookup,
1220 .vop_close = hpfs_close,
1221 .vop_create = hpfs_create,
1222 .vop_fsync = hpfs_fsync,
1223 .vop_getattr = hpfs_getattr,
1224 .vop_inactive = hpfs_inactive,
1225 .vop_ioctl = hpfs_ioctl,
1226 .vop_lookup = vfs_cache_lookup,
1227 .vop_open = hpfs_open,
1228 .vop_pathconf = hpfs_pathconf,
1229 .vop_print = hpfs_print,
1230 .vop_read = hpfs_read,
1231 .vop_readdir = hpfs_readdir,
1232 .vop_reclaim = hpfs_reclaim,
1233 .vop_remove = hpfs_remove,
1234 .vop_setattr = hpfs_setattr,
1235 .vop_strategy = hpfs_strategy,
1236 .vop_write = hpfs_write,