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authorru <ru@FreeBSD.org>2001-05-26 11:57:45 +0000
committerru <ru@FreeBSD.org>2001-05-26 11:57:45 +0000
commit05f3be90b2e785fbcbac9efe38dd8fb4bd6cdb7c (patch)
treebc6b0076c297f637980e63a3ebde03fd9302042a /sys/ntfs/ntfs_vnops.c
parentbb3012ea8ac3c3f242d03857752725e5a8e74119 (diff)
downloadFreeBSD-src-05f3be90b2e785fbcbac9efe38dd8fb4bd6cdb7c.zip
FreeBSD-src-05f3be90b2e785fbcbac9efe38dd8fb4bd6cdb7c.tar.gz
- sys/n[tw]fs moved to sys/fs/n[tw]fs
- /usr/include/n[tw]fs moved to /usr/include/fs/n[tw]fs
Diffstat (limited to 'sys/ntfs/ntfs_vnops.c')
-rw-r--r--sys/ntfs/ntfs_vnops.c917
1 files changed, 0 insertions, 917 deletions
diff --git a/sys/ntfs/ntfs_vnops.c b/sys/ntfs/ntfs_vnops.c
deleted file mode 100644
index 072a512..0000000
--- a/sys/ntfs/ntfs_vnops.c
+++ /dev/null
@@ -1,917 +0,0 @@
-/* $NetBSD: ntfs_vnops.c,v 1.23 1999/10/31 19:45:27 jdolecek Exp $ */
-
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * John Heidemann of the UCLA Ficus project.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- *
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/vnode.h>
-#include <sys/mount.h>
-#include <sys/namei.h>
-#include <sys/malloc.h>
-#include <sys/bio.h>
-#include <sys/buf.h>
-#include <sys/dirent.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#if defined(__NetBSD__)
-#include <vm/vm_prot.h>
-#endif
-#include <vm/vm_page.h>
-#include <vm/vm_object.h>
-#include <vm/vm_pager.h>
-#if defined(__FreeBSD__)
-#include <vm/vnode_pager.h>
-#endif
-#include <vm/vm_extern.h>
-
-#include <sys/sysctl.h>
-
-/*#define NTFS_DEBUG 1*/
-#include <ntfs/ntfs.h>
-#include <ntfs/ntfs_inode.h>
-#include <ntfs/ntfs_subr.h>
-#if defined(__NetBSD__)
-#include <miscfs/specfs/specdev.h>
-#include <miscfs/genfs/genfs.h>
-#endif
-
-#include <sys/unistd.h> /* for pathconf(2) constants */
-
-static int ntfs_read __P((struct vop_read_args *));
-static int ntfs_write __P((struct vop_write_args *ap));
-static int ntfs_getattr __P((struct vop_getattr_args *ap));
-static int ntfs_inactive __P((struct vop_inactive_args *ap));
-static int ntfs_print __P((struct vop_print_args *ap));
-static int ntfs_reclaim __P((struct vop_reclaim_args *ap));
-static int ntfs_strategy __P((struct vop_strategy_args *ap));
-static int ntfs_access __P((struct vop_access_args *ap));
-static int ntfs_open __P((struct vop_open_args *ap));
-static int ntfs_close __P((struct vop_close_args *ap));
-static int ntfs_readdir __P((struct vop_readdir_args *ap));
-static int ntfs_lookup __P((struct vop_lookup_args *ap));
-static int ntfs_bmap __P((struct vop_bmap_args *ap));
-#if defined(__FreeBSD__)
-static int ntfs_fsync __P((struct vop_fsync_args *ap));
-#else
-static int ntfs_bypass __P((struct vop_generic_args *ap));
-#endif
-static int ntfs_pathconf __P((void *));
-
-int ntfs_prtactive = 1; /* 1 => print out reclaim of active vnodes */
-
-#if defined(__NetBSD__)
-/*
- * This is a noop, simply returning what one has been given.
- */
-int
-ntfs_bmap(ap)
- struct vop_bmap_args /* {
- struct vnode *a_vp;
- daddr_t a_bn;
- struct vnode **a_vpp;
- daddr_t *a_bnp;
- int *a_runp;
- int *a_runb;
- } */ *ap;
-{
- dprintf(("ntfs_bmap: vn: %p, blk: %d\n", ap->a_vp,(u_int32_t)ap->a_bn));
- if (ap->a_vpp != NULL)
- *ap->a_vpp = ap->a_vp;
- if (ap->a_bnp != NULL)
- *ap->a_bnp = ap->a_bn;
- if (ap->a_runp != NULL)
- *ap->a_runp = 0;
- return (0);
-}
-#endif
-
-static int
-ntfs_read(ap)
- struct vop_read_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- int a_ioflag;
- struct ucred *a_cred;
- } */ *ap;
-{
- register struct vnode *vp = ap->a_vp;
- register struct fnode *fp = VTOF(vp);
- register struct ntnode *ip = FTONT(fp);
- struct uio *uio = ap->a_uio;
- struct ntfsmount *ntmp = ip->i_mp;
- u_int64_t toread;
- int error;
-
- dprintf(("ntfs_read: ino: %d, off: %d resid: %d, segflg: %d\n",ip->i_number,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg));
-
- dprintf(("ntfs_read: filesize: %d",(u_int32_t)fp->f_size));
-
- /* don't allow reading after end of file */
- if (uio->uio_offset > fp->f_size)
- toread = 0;
- else
- toread = min( uio->uio_resid, fp->f_size - uio->uio_offset );
-
- dprintf((", toread: %d\n",(u_int32_t)toread));
-
- if (toread == 0)
- return (0);
-
- error = ntfs_readattr(ntmp, ip, fp->f_attrtype,
- fp->f_attrname, uio->uio_offset, toread, NULL, uio);
- if (error) {
- printf("ntfs_read: ntfs_readattr failed: %d\n",error);
- return (error);
- }
-
- return (0);
-}
-
-#if !defined(__FreeBSD__)
-
-static int
-ntfs_bypass(ap)
- struct vop_generic_args /* {
- struct vnodeop_desc *a_desc;
- <other random data follows, presumably>
- } */ *ap;
-{
- int error = ENOTTY;
- dprintf(("ntfs_bypass: %s\n", ap->a_desc->vdesc_name));
- return (error);
-}
-
-#endif
-
-static int
-ntfs_getattr(ap)
- struct vop_getattr_args /* {
- struct vnode *a_vp;
- struct vattr *a_vap;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- register struct vnode *vp = ap->a_vp;
- register struct fnode *fp = VTOF(vp);
- register struct ntnode *ip = FTONT(fp);
- register struct vattr *vap = ap->a_vap;
-
- dprintf(("ntfs_getattr: %d, flags: %d\n",ip->i_number,ip->i_flag));
-
-#if defined(__FreeBSD__)
- vap->va_fsid = dev2udev(ip->i_dev);
-#else /* NetBSD */
- vap->va_fsid = ip->i_dev;
-#endif
- vap->va_fileid = ip->i_number;
- vap->va_mode = ip->i_mp->ntm_mode;
- vap->va_nlink = ip->i_nlink;
- vap->va_uid = ip->i_mp->ntm_uid;
- vap->va_gid = ip->i_mp->ntm_gid;
- vap->va_rdev = 0; /* XXX UNODEV ? */
- vap->va_size = fp->f_size;
- vap->va_bytes = fp->f_allocated;
- vap->va_atime = ntfs_nttimetounix(fp->f_times.t_access);
- vap->va_mtime = ntfs_nttimetounix(fp->f_times.t_write);
- vap->va_ctime = ntfs_nttimetounix(fp->f_times.t_create);
- vap->va_flags = ip->i_flag;
- vap->va_gen = 0;
- vap->va_blocksize = ip->i_mp->ntm_spc * ip->i_mp->ntm_bps;
- vap->va_type = vp->v_type;
- vap->va_filerev = 0;
- return (0);
-}
-
-
-/*
- * Last reference to an ntnode. If necessary, write or delete it.
- */
-int
-ntfs_inactive(ap)
- struct vop_inactive_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
- register struct vnode *vp = ap->a_vp;
-#ifdef NTFS_DEBUG
- register struct ntnode *ip = VTONT(vp);
-#endif
-
- dprintf(("ntfs_inactive: vnode: %p, ntnode: %d\n", vp, ip->i_number));
-
- if (ntfs_prtactive && vp->v_usecount != 0)
- vprint("ntfs_inactive: pushing active", vp);
-
- VOP__UNLOCK(vp, 0, ap->a_p);
-
- /* XXX since we don't support any filesystem changes
- * right now, nothing more needs to be done
- */
- return (0);
-}
-
-/*
- * Reclaim an fnode/ntnode so that it can be used for other purposes.
- */
-int
-ntfs_reclaim(ap)
- struct vop_reclaim_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
- register struct vnode *vp = ap->a_vp;
- register struct fnode *fp = VTOF(vp);
- register struct ntnode *ip = FTONT(fp);
- int error;
-
- dprintf(("ntfs_reclaim: vnode: %p, ntnode: %d\n", vp, ip->i_number));
-
- if (ntfs_prtactive && vp->v_usecount != 0)
- vprint("ntfs_reclaim: pushing active", vp);
-
- if ((error = ntfs_ntget(ip)) != 0)
- return (error);
-
- /* Purge old data structures associated with the inode. */
- cache_purge(vp);
- if (ip->i_devvp) {
- vrele(ip->i_devvp);
- ip->i_devvp = NULL;
- }
-
- ntfs_frele(fp);
- ntfs_ntput(ip);
- vp->v_data = NULL;
-
- return (0);
-}
-
-static int
-ntfs_print(ap)
- struct vop_print_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
- return (0);
-}
-
-/*
- * Calculate the logical to physical mapping if not done already,
- * then call the device strategy routine.
- */
-int
-ntfs_strategy(ap)
- struct vop_strategy_args /* {
- struct buf *a_bp;
- } */ *ap;
-{
- register struct buf *bp = ap->a_bp;
- register struct vnode *vp = bp->b_vp;
- register struct fnode *fp = VTOF(vp);
- register struct ntnode *ip = FTONT(fp);
- struct ntfsmount *ntmp = ip->i_mp;
- int error;
-
-#ifdef __FreeBSD__
- dprintf(("ntfs_strategy: offset: %d, blkno: %d, lblkno: %d\n",
- (u_int32_t)bp->b_offset,(u_int32_t)bp->b_blkno,
- (u_int32_t)bp->b_lblkno));
-#else
- dprintf(("ntfs_strategy: blkno: %d, lblkno: %d\n",
- (u_int32_t)bp->b_blkno,
- (u_int32_t)bp->b_lblkno));
-#endif
-
- dprintf(("strategy: bcount: %d flags: 0x%lx\n",
- (u_int32_t)bp->b_bcount,bp->b_flags));
-
- if (bp->b_iocmd == BIO_READ) {
- u_int32_t toread;
-
- if (ntfs_cntob(bp->b_blkno) >= fp->f_size) {
- clrbuf(bp);
- error = 0;
- } else {
- toread = min(bp->b_bcount,
- fp->f_size-ntfs_cntob(bp->b_blkno));
- dprintf(("ntfs_strategy: toread: %d, fsize: %d\n",
- toread,(u_int32_t)fp->f_size));
-
- error = ntfs_readattr(ntmp, ip, fp->f_attrtype,
- fp->f_attrname, ntfs_cntob(bp->b_blkno),
- toread, bp->b_data, NULL);
-
- if (error) {
- printf("ntfs_strategy: ntfs_readattr failed\n");
- bp->b_error = error;
- bp->b_ioflags |= BIO_ERROR;
- }
-
- bzero(bp->b_data + toread, bp->b_bcount - toread);
- }
- } else {
- size_t tmp;
- u_int32_t towrite;
-
- if (ntfs_cntob(bp->b_blkno) + bp->b_bcount >= fp->f_size) {
- printf("ntfs_strategy: CAN'T EXTEND FILE\n");
- bp->b_error = error = EFBIG;
- bp->b_ioflags |= BIO_ERROR;
- } else {
- towrite = min(bp->b_bcount,
- fp->f_size-ntfs_cntob(bp->b_blkno));
- dprintf(("ntfs_strategy: towrite: %d, fsize: %d\n",
- towrite,(u_int32_t)fp->f_size));
-
- error = ntfs_writeattr_plain(ntmp, ip, fp->f_attrtype,
- fp->f_attrname, ntfs_cntob(bp->b_blkno),towrite,
- bp->b_data, &tmp, NULL);
-
- if (error) {
- printf("ntfs_strategy: ntfs_writeattr fail\n");
- bp->b_error = error;
- bp->b_ioflags |= BIO_ERROR;
- }
- }
- }
- bufdone(bp);
- return (error);
-}
-
-static int
-ntfs_write(ap)
- struct vop_write_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- int a_ioflag;
- struct ucred *a_cred;
- } */ *ap;
-{
- register struct vnode *vp = ap->a_vp;
- register struct fnode *fp = VTOF(vp);
- register struct ntnode *ip = FTONT(fp);
- struct uio *uio = ap->a_uio;
- struct ntfsmount *ntmp = ip->i_mp;
- u_int64_t towrite;
- size_t written;
- int error;
-
- dprintf(("ntfs_write: ino: %d, off: %d resid: %d, segflg: %d\n",ip->i_number,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg));
- dprintf(("ntfs_write: filesize: %d",(u_int32_t)fp->f_size));
-
- if (uio->uio_resid + uio->uio_offset > fp->f_size) {
- printf("ntfs_write: CAN'T WRITE BEYOND END OF FILE\n");
- return (EFBIG);
- }
-
- towrite = min(uio->uio_resid, fp->f_size - uio->uio_offset);
-
- dprintf((", towrite: %d\n",(u_int32_t)towrite));
-
- error = ntfs_writeattr_plain(ntmp, ip, fp->f_attrtype,
- fp->f_attrname, uio->uio_offset, towrite, NULL, &written, uio);
-#ifdef NTFS_DEBUG
- if (error)
- printf("ntfs_write: ntfs_writeattr failed: %d\n", error);
-#endif
-
- return (error);
-}
-
-int
-ntfs_access(ap)
- struct vop_access_args /* {
- struct vnode *a_vp;
- int a_mode;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
- struct ntnode *ip = VTONT(vp);
- mode_t mode = ap->a_mode;
-#ifdef QUOTA
- int error;
-#endif
-
- dprintf(("ntfs_access: %d\n",ip->i_number));
-
- /*
- * Disallow write attempts on read-only file systems;
- * unless the file is a socket, fifo, or a block or
- * character device resident on the file system.
- */
- if (mode & VWRITE) {
- switch ((int)vp->v_type) {
- case VDIR:
- case VLNK:
- case VREG:
- if (vp->v_mount->mnt_flag & MNT_RDONLY)
- return (EROFS);
-#ifdef QUOTA
- if (error = getinoquota(ip))
- return (error);
-#endif
- break;
- }
- }
-
- return (vaccess(vp->v_type, ip->i_mp->ntm_mode, ip->i_mp->ntm_uid,
- ip->i_mp->ntm_gid, ap->a_mode, ap->a_cred, NULL));
-}
-
-/*
- * Open called.
- *
- * Nothing to do.
- */
-/* ARGSUSED */
-static int
-ntfs_open(ap)
- struct vop_open_args /* {
- struct vnode *a_vp;
- int a_mode;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
-#if NTFS_DEBUG
- register struct vnode *vp = ap->a_vp;
- register struct ntnode *ip = VTONT(vp);
-
- printf("ntfs_open: %d\n",ip->i_number);
-#endif
-
- /*
- * Files marked append-only must be opened for appending.
- */
-
- return (0);
-}
-
-/*
- * Close called.
- *
- * Update the times on the inode.
- */
-/* ARGSUSED */
-static int
-ntfs_close(ap)
- struct vop_close_args /* {
- struct vnode *a_vp;
- int a_fflag;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
-#if NTFS_DEBUG
- register struct vnode *vp = ap->a_vp;
- register struct ntnode *ip = VTONT(vp);
-
- printf("ntfs_close: %d\n",ip->i_number);
-#endif
-
- return (0);
-}
-
-int
-ntfs_readdir(ap)
- struct vop_readdir_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- struct ucred *a_cred;
- int *a_ncookies;
- u_int **cookies;
- } */ *ap;
-{
- register struct vnode *vp = ap->a_vp;
- register struct fnode *fp = VTOF(vp);
- register struct ntnode *ip = FTONT(fp);
- struct uio *uio = ap->a_uio;
- struct ntfsmount *ntmp = ip->i_mp;
- int i, error = 0;
- u_int32_t faked = 0, num;
- int ncookies = 0;
- struct dirent cde;
- off_t off;
-
- dprintf(("ntfs_readdir %d off: %d resid: %d\n",ip->i_number,(u_int32_t)uio->uio_offset,uio->uio_resid));
-
- off = uio->uio_offset;
-
- /* Simulate . in every dir except ROOT */
- if( ip->i_number != NTFS_ROOTINO ) {
- struct dirent dot = { NTFS_ROOTINO,
- sizeof(struct dirent), DT_DIR, 1, "." };
-
- if( uio->uio_offset < sizeof(struct dirent) ) {
- dot.d_fileno = ip->i_number;
- error = uiomove((char *)&dot,sizeof(struct dirent),uio);
- if(error)
- return (error);
-
- ncookies ++;
- }
- }
-
- /* Simulate .. in every dir including ROOT */
- if( uio->uio_offset < 2 * sizeof(struct dirent) ) {
- struct dirent dotdot = { NTFS_ROOTINO,
- sizeof(struct dirent), DT_DIR, 2, ".." };
-
- error = uiomove((char *)&dotdot,sizeof(struct dirent),uio);
- if(error)
- return (error);
-
- ncookies ++;
- }
-
- faked = (ip->i_number == NTFS_ROOTINO) ? 1 : 2;
- num = uio->uio_offset / sizeof(struct dirent) - faked;
-
- while( uio->uio_resid >= sizeof(struct dirent) ) {
- struct attr_indexentry *iep;
-
- error = ntfs_ntreaddir(ntmp, fp, num, &iep);
-
- if(error)
- return (error);
-
- if( NULL == iep )
- break;
-
- for(; !(iep->ie_flag & NTFS_IEFLAG_LAST) && (uio->uio_resid >= sizeof(struct dirent));
- iep = NTFS_NEXTREC(iep, struct attr_indexentry *))
- {
- if(!ntfs_isnamepermitted(ntmp,iep))
- continue;
-
- for(i=0; i<iep->ie_fnamelen; i++) {
- cde.d_name[i] = ntfs_u28(iep->ie_fname[i]);
- }
- cde.d_name[i] = '\0';
- dprintf(("ntfs_readdir: elem: %d, fname:[%s] type: %d, flag: %d, ",
- num, cde.d_name, iep->ie_fnametype,
- iep->ie_flag));
- cde.d_namlen = iep->ie_fnamelen;
- cde.d_fileno = iep->ie_number;
- cde.d_type = (iep->ie_fflag & NTFS_FFLAG_DIR) ? DT_DIR : DT_REG;
- cde.d_reclen = sizeof(struct dirent);
- dprintf(("%s\n", (cde.d_type == DT_DIR) ? "dir":"reg"));
-
- error = uiomove((char *)&cde, sizeof(struct dirent), uio);
- if(error)
- return (error);
-
- ncookies++;
- num++;
- }
- }
-
- dprintf(("ntfs_readdir: %d entries (%d bytes) read\n",
- ncookies,(u_int)(uio->uio_offset - off)));
- dprintf(("ntfs_readdir: off: %d resid: %d\n",
- (u_int32_t)uio->uio_offset,uio->uio_resid));
-
- if (!error && ap->a_ncookies != NULL) {
- struct dirent* dpStart;
- struct dirent* dp;
-#if defined(__FreeBSD__)
- u_long *cookies;
- u_long *cookiep;
-#else /* defined(__NetBSD__) */
- off_t *cookies;
- off_t *cookiep;
-#endif
-
- ddprintf(("ntfs_readdir: %d cookies\n",ncookies));
- if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
- panic("ntfs_readdir: unexpected uio from NFS server");
- dpStart = (struct dirent *)
- ((caddr_t)uio->uio_iov->iov_base -
- (uio->uio_offset - off));
-#if defined(__FreeBSD__)
- MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
- M_TEMP, M_WAITOK);
-#else /* defined(__NetBSD__) */
- MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
- M_TEMP, M_WAITOK);
-#endif
- for (dp = dpStart, cookiep = cookies, i=0;
- i < ncookies;
- dp = (struct dirent *)((caddr_t) dp + dp->d_reclen), i++) {
- off += dp->d_reclen;
- *cookiep++ = (u_int) off;
- }
- *ap->a_ncookies = ncookies;
- *ap->a_cookies = cookies;
- }
-/*
- if (ap->a_eofflag)
- *ap->a_eofflag = VTONT(ap->a_vp)->i_size <= uio->uio_offset;
-*/
- return (error);
-}
-
-int
-ntfs_lookup(ap)
- struct vop_lookup_args /* {
- struct vnode *a_dvp;
- struct vnode **a_vpp;
- struct componentname *a_cnp;
- } */ *ap;
-{
- register struct vnode *dvp = ap->a_dvp;
- register struct ntnode *dip = VTONT(dvp);
- struct ntfsmount *ntmp = dip->i_mp;
- struct componentname *cnp = ap->a_cnp;
- struct ucred *cred = cnp->cn_cred;
- int error;
- int lockparent = cnp->cn_flags & LOCKPARENT;
-#if NTFS_DEBUG
- int wantparent = cnp->cn_flags & (LOCKPARENT|WANTPARENT);
-#endif
- dprintf(("ntfs_lookup: \"%.*s\" (%ld bytes) in %d, lp: %d, wp: %d \n",
- (int)cnp->cn_namelen, cnp->cn_nameptr, cnp->cn_namelen,
- dip->i_number, lockparent, wantparent));
-
- error = VOP_ACCESS(dvp, VEXEC, cred, cnp->cn_proc);
- if(error)
- return (error);
-
- if ((cnp->cn_flags & ISLASTCN) &&
- (dvp->v_mount->mnt_flag & MNT_RDONLY) &&
- (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME))
- return (EROFS);
-
-#ifdef __NetBSD__
- /*
- * We now have a segment name to search for, and a directory
- * to search.
- *
- * Before tediously performing a linear scan of the directory,
- * check the name cache to see if the directory/name pair
- * we are looking for is known already.
- */
- if ((error = cache_lookup(ap->a_dvp, ap->a_vpp, cnp)) >= 0)
- return (error);
-#endif
-
- if(cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
- dprintf(("ntfs_lookup: faking . directory in %d\n",
- dip->i_number));
-
- VREF(dvp);
- *ap->a_vpp = dvp;
- error = 0;
- } else if (cnp->cn_flags & ISDOTDOT) {
- struct ntvattr *vap;
-
- dprintf(("ntfs_lookup: faking .. directory in %d\n",
- dip->i_number));
-
- error = ntfs_ntvattrget(ntmp, dip, NTFS_A_NAME, NULL, 0, &vap);
- if(error)
- return (error);
-
- VOP__UNLOCK(dvp,0,cnp->cn_proc);
- cnp->cn_flags |= PDIRUNLOCK;
-
- dprintf(("ntfs_lookup: parentdir: %d\n",
- vap->va_a_name->n_pnumber));
- error = VFS_VGET(ntmp->ntm_mountp,
- vap->va_a_name->n_pnumber,ap->a_vpp);
- ntfs_ntvattrrele(vap);
- if (error) {
- if (VN_LOCK(dvp,LK_EXCLUSIVE|LK_RETRY,cnp->cn_proc)==0)
- cnp->cn_flags &= ~PDIRUNLOCK;
- return (error);
- }
-
- if (lockparent && (cnp->cn_flags & ISLASTCN)) {
- error = VN_LOCK(dvp, LK_EXCLUSIVE, cnp->cn_proc);
- if (error) {
- vput( *(ap->a_vpp) );
- return (error);
- }
- cnp->cn_flags &= ~PDIRUNLOCK;
- }
- } else {
- error = ntfs_ntlookupfile(ntmp, dvp, cnp, ap->a_vpp);
- if (error) {
- dprintf(("ntfs_ntlookupfile: returned %d\n", error));
- return (error);
- }
-
- dprintf(("ntfs_lookup: found ino: %d\n",
- VTONT(*ap->a_vpp)->i_number));
-
- if(!lockparent || !(cnp->cn_flags & ISLASTCN))
- VOP__UNLOCK(dvp, 0, cnp->cn_proc);
- }
-
- if (cnp->cn_flags & MAKEENTRY)
- cache_enter(dvp, *ap->a_vpp, cnp);
-
- return (error);
-}
-
-#if defined(__FreeBSD__)
-/*
- * Flush the blocks of a file to disk.
- *
- * This function is worthless for vnodes that represent directories. Maybe we
- * could just do a sync if they try an fsync on a directory file.
- */
-static int
-ntfs_fsync(ap)
- struct vop_fsync_args /* {
- struct vnode *a_vp;
- struct ucred *a_cred;
- int a_waitfor;
- struct proc *a_p;
- } */ *ap;
-{
- return (0);
-}
-#endif
-
-/*
- * Return POSIX pathconf information applicable to NTFS filesystem
- */
-int
-ntfs_pathconf(v)
- void *v;
-{
- struct vop_pathconf_args /* {
- struct vnode *a_vp;
- int a_name;
- register_t *a_retval;
- } */ *ap = v;
-
- switch (ap->a_name) {
- case _PC_LINK_MAX:
- *ap->a_retval = 1;
- return (0);
- case _PC_NAME_MAX:
- *ap->a_retval = NTFS_MAXFILENAME;
- return (0);
- case _PC_PATH_MAX:
- *ap->a_retval = PATH_MAX;
- return (0);
- case _PC_CHOWN_RESTRICTED:
- *ap->a_retval = 1;
- return (0);
- case _PC_NO_TRUNC:
- *ap->a_retval = 0;
- return (0);
-#if defined(__NetBSD__)
- case _PC_SYNC_IO:
- *ap->a_retval = 1;
- return (0);
- case _PC_FILESIZEBITS:
- *ap->a_retval = 64;
- return (0);
-#endif
- default:
- return (EINVAL);
- }
- /* NOTREACHED */
-}
-
-/*
- * Global vfs data structures
- */
-vop_t **ntfs_vnodeop_p;
-#if defined(__FreeBSD__)
-static
-struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
- { &vop_default_desc, (vop_t *)vop_defaultop },
-
- { &vop_getattr_desc, (vop_t *)ntfs_getattr },
- { &vop_inactive_desc, (vop_t *)ntfs_inactive },
- { &vop_reclaim_desc, (vop_t *)ntfs_reclaim },
- { &vop_print_desc, (vop_t *)ntfs_print },
- { &vop_pathconf_desc, ntfs_pathconf },
-
- { &vop_islocked_desc, (vop_t *)vop_stdislocked },
- { &vop_unlock_desc, (vop_t *)vop_stdunlock },
- { &vop_lock_desc, (vop_t *)vop_stdlock },
- { &vop_cachedlookup_desc, (vop_t *)ntfs_lookup },
- { &vop_lookup_desc, (vop_t *)vfs_cache_lookup },
-
- { &vop_access_desc, (vop_t *)ntfs_access },
- { &vop_close_desc, (vop_t *)ntfs_close },
- { &vop_open_desc, (vop_t *)ntfs_open },
- { &vop_readdir_desc, (vop_t *)ntfs_readdir },
- { &vop_fsync_desc, (vop_t *)ntfs_fsync },
-
- { &vop_strategy_desc, (vop_t *)ntfs_strategy },
- { &vop_read_desc, (vop_t *)ntfs_read },
- { &vop_write_desc, (vop_t *)ntfs_write },
-
- { NULL, NULL }
-};
-
-static
-struct vnodeopv_desc ntfs_vnodeop_opv_desc =
- { &ntfs_vnodeop_p, ntfs_vnodeop_entries };
-
-VNODEOP_SET(ntfs_vnodeop_opv_desc);
-
-#else /* !FreeBSD */
-
-struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
- { &vop_default_desc, (vop_t *) ntfs_bypass },
- { &vop_lookup_desc, (vop_t *) ntfs_lookup }, /* lookup */
- { &vop_create_desc, genfs_eopnotsupp }, /* create */
- { &vop_mknod_desc, genfs_eopnotsupp }, /* mknod */
- { &vop_open_desc, (vop_t *) ntfs_open }, /* open */
- { &vop_close_desc,(vop_t *) ntfs_close }, /* close */
- { &vop_access_desc, (vop_t *) ntfs_access }, /* access */
- { &vop_getattr_desc, (vop_t *) ntfs_getattr }, /* getattr */
- { &vop_setattr_desc, genfs_eopnotsupp }, /* setattr */
- { &vop_read_desc, (vop_t *) ntfs_read }, /* read */
- { &vop_write_desc, (vop_t *) ntfs_write }, /* write */
- { &vop_lease_desc, genfs_lease_check }, /* lease */
- { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
- { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
- { &vop_poll_desc, genfs_poll }, /* poll */
- { &vop_revoke_desc, genfs_revoke }, /* revoke */
- { &vop_fsync_desc, genfs_fsync }, /* fsync */
- { &vop_seek_desc, genfs_seek }, /* seek */
- { &vop_remove_desc, genfs_eopnotsupp }, /* remove */
- { &vop_link_desc, genfs_eopnotsupp }, /* link */
- { &vop_rename_desc, genfs_eopnotsupp }, /* rename */
- { &vop_mkdir_desc, genfs_eopnotsupp }, /* mkdir */
- { &vop_rmdir_desc, genfs_eopnotsupp }, /* rmdir */
- { &vop_symlink_desc, genfs_eopnotsupp }, /* symlink */
- { &vop_readdir_desc, (vop_t *) ntfs_readdir }, /* readdir */
- { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */
- { &vop_abortop_desc, genfs_abortop }, /* abortop */
- { &vop_inactive_desc, (vop_t *) ntfs_inactive }, /* inactive */
- { &vop_reclaim_desc, (vop_t *) ntfs_reclaim }, /* reclaim */
- { &vop_lock_desc, genfs_lock }, /* lock */
- { &vop_unlock_desc, genfs_unlock }, /* unlock */
- { &vop_bmap_desc, (vop_t *) ntfs_bmap }, /* bmap */
- { &vop_strategy_desc, (vop_t *) ntfs_strategy }, /* strategy */
- { &vop_print_desc, (vop_t *) ntfs_print }, /* print */
- { &vop_islocked_desc, genfs_islocked }, /* islocked */
- { &vop_pathconf_desc, ntfs_pathconf }, /* pathconf */
- { &vop_advlock_desc, genfs_nullop }, /* advlock */
- { &vop_blkatoff_desc, genfs_eopnotsupp }, /* blkatoff */
- { &vop_valloc_desc, genfs_eopnotsupp }, /* valloc */
- { &vop_reallocblks_desc, genfs_eopnotsupp }, /* reallocblks */
- { &vop_vfree_desc, genfs_eopnotsupp }, /* vfree */
- { &vop_truncate_desc, genfs_eopnotsupp }, /* truncate */
- { &vop_update_desc, genfs_eopnotsupp }, /* update */
- { &vop_bwrite_desc, vn_bwrite }, /* bwrite */
- { (struct vnodeop_desc *)NULL, (int (*) __P((void *)))NULL }
-};
-struct vnodeopv_desc ntfs_vnodeop_opv_desc =
- { &ntfs_vnodeop_p, ntfs_vnodeop_entries };
-
-#endif
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