956 lines
21 KiB
C
956 lines
21 KiB
C
/* $NetBSD: advnops.c,v 1.20 1995/01/18 09:17:35 mycroft Exp $ */
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/*
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* Copyright (c) 1994 Christian E. Hopps
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christian E. Hopps.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/vnode.h>
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#include <sys/mount.h>
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#include <sys/time.h>
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#include <sys/queue.h>
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#include <sys/namei.h>
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#include <sys/buf.h>
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#include <sys/dirent.h>
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#include <sys/malloc.h>
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#include <sys/stat.h>
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#include <sys/unistd.h>
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#include <miscfs/specfs/specdev.h>
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#include <adosfs/adosfs.h>
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extern struct vnodeops adosfs_vnodeops;
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int
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adosfs_open(sp)
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struct vop_open_args /* {
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struct vnode *a_vp;
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int a_mode;
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struct ucred *a_cred;
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struct proc *a_p;
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} */ *sp;
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{
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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printf(" 0)");
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#endif
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return(0);
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}
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int
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adosfs_getattr(sp)
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struct vop_getattr_args /* {
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struct vnode *a_vp;
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struct vattr *a_vap;
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struct ucred *a_cred;
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struct proc *a_p;
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} */ *sp;
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{
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struct vattr *vap;
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struct adosfsmount *amp;
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struct anode *ap;
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u_long fblks;
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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#endif
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vap = sp->a_vap;
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ap = VTOA(sp->a_vp);
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amp = ap->amp;
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vattr_null(vap);
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vap->va_uid = ap->uid;
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vap->va_gid = ap->gid;
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vap->va_fsid = sp->a_vp->v_mount->mnt_stat.f_fsid.val[0];
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vap->va_atime.ts_sec = vap->va_mtime.ts_sec = vap->va_ctime.ts_sec =
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ap->mtime.days * 24 * 60 * 60 + ap->mtime.mins * 60 +
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ap->mtime.ticks / 50 + (8 * 365 + 2) * 24 * 60 * 60;
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vap->va_atime.ts_nsec = vap->va_mtime.ts_nsec = vap->va_ctime.ts_nsec = 0;
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vap->va_gen = 0;
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vap->va_flags = 0;
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vap->va_rdev = NODEV;
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vap->va_fileid = ap->block;
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vap->va_type = sp->a_vp->v_type;
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vap->va_mode = amp->mask & adunixprot(ap->adprot);
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if (sp->a_vp->v_type == VDIR) {
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vap->va_nlink = 1; /* XXX bogus, oh well */
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vap->va_bytes = amp->bsize;
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vap->va_size = amp->bsize;
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} else {
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/*
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* XXX actually we can track this if we were to walk the list
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* of links if it exists.
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*/
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vap->va_nlink = 1;
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/*
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* round up to nearest blocks add number of file list
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* blocks needed and mutiply by number of bytes per block.
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*/
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fblks = howmany(ap->fsize, amp->bsize);
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fblks += howmany(fblks, ANODENDATBLKENT(ap));
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vap->va_bytes = fblks * amp->bsize;
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vap->va_size = ap->fsize;
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}
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#ifdef ADOSFS_DIAGNOSTIC
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printf(" 0)");
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#endif
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return(0);
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}
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/*
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* are things locked??? they need to be to avoid this being
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* deleted or changed (data block pointer blocks moving about.)
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*/
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int
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adosfs_read(sp)
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struct vop_read_args /* {
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struct vnode *a_vp;
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struct uio *a_uio;
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int a_ioflag;
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struct ucred *a_cred;
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} */ *sp;
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{
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struct adosfsmount *amp;
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struct anode *ap;
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struct uio *uio;
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struct buf *bp;
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struct fs *fs;
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daddr_t lbn, bn;
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int size, diff, error;
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long n, on;
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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#endif
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error = 0;
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uio = sp->a_uio;
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ap = VTOA(sp->a_vp);
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amp = ap->amp;
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/*
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* Return EOF for character devices, EIO for others
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*/
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if (sp->a_vp->v_type != VREG) {
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error = EIO;
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goto reterr;
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}
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if (uio->uio_resid == 0)
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goto reterr;
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if (uio->uio_offset < 0) {
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error = EINVAL;
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goto reterr;
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}
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/*
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* to expensive to let general algorithm figure out that
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* we are beyond the file. Do it now.
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*/
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if (uio->uio_offset >= ap->fsize)
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goto reterr;
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/*
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* taken from ufs_read()
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*/
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do {
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/*
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* we are only supporting ADosFFS currently
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* (which have data blocks of 512 bytes)
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*/
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size = amp->bsize;
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lbn = uio->uio_offset / size;
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on = uio->uio_offset % size;
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n = min((u_int)(size - on), uio->uio_resid);
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diff = ap->fsize - uio->uio_offset;
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/*
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* check for EOF
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*/
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if (diff <= 0)
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return(0);
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if (diff < n)
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n = diff;
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/*
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* read ahead could possibly be worth something
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* but not much as ados makes little attempt to
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* make things contigous
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*/
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error = bread(sp->a_vp, lbn, size, NOCRED, &bp);
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sp->a_vp->v_lastr = lbn;
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n = min(n, (u_int)size - bp->b_resid);
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if (error) {
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brelse(bp);
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goto reterr;
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}
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#ifdef ADOSFS_DIAGNOSTIC
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printf(" %d+%d-%d+%d", lbn, on, lbn, n);
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#endif
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error = uiomove(bp->b_un.b_addr + on, (int)n, uio);
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brelse(bp);
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} while (error == 0 && uio->uio_resid > 0 && n != 0);
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reterr:
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#ifdef ADOSFS_DIAGNOSTIC
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printf(" %d)", error);
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#endif
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return(error);
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}
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int
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adosfs_write(sp)
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struct vop_write_args /* {
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struct vnode *a_vp;
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struct uio *a_uio;
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int a_ioflag;
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struct ucred *a_cred;
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} */ *sp;
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{
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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printf(" EOPNOTSUPP)");
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#endif
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return(EOPNOTSUPP);
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}
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/*
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* Device ioctl operation.
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*/
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/* ARGSUSED */
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int
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adosfs_ioctl(sp)
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struct vop_ioctl_args /* {
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struct vnode *a_vp;
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u_long a_command;
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caddr_t a_data;
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int a_fflag;
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struct ucred *a_cred;
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struct proc *a_p;
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} */ *sp;
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{
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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printf(" ENOTTY)");
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#endif
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return(ENOTTY);
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}
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/* ARGSUSED */
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int
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adosfs_select(sp)
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struct vop_select_args /* {
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struct vnode *a_vp;
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int a_which;
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int a_fflags;
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struct ucred *a_cred;
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struct proc *a_p;
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} */ *sp;
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{
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/*
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* sure there's something to read...
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*/
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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printf(" 1)");
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#endif
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return(1);
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}
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/*
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* Just call the device strategy routine
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*/
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int
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adosfs_strategy(sp)
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struct vop_strategy_args /* {
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struct buf *a_bp;
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} */ *sp;
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{
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struct buf *bp;
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struct anode *ap;
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struct vnode *vp;
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int error;
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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#endif
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error = 0;
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bp = sp->a_bp;
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if (bp->b_vp == NULL) {
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bp->b_flags |= B_ERROR;
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biodone(bp);
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error = EIO;
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goto reterr;
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}
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vp = bp->b_vp;
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ap = VTOA(vp);
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if (bp->b_blkno == bp->b_lblkno) {
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if (error =
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VOP_BMAP(vp, bp->b_lblkno, NULL, &bp->b_blkno, NULL)) {
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bp->b_flags |= B_ERROR;
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biodone(bp);
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goto reterr;
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}
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}
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if ((long)bp->b_blkno == -1) {
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biodone(bp);
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error = 0;
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goto reterr;
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}
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vp = ap->amp->devvp;
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bp->b_dev = vp->v_rdev;
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VOCALL(vp->v_op, VOFFSET(vop_strategy), sp);
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reterr:
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#ifdef ADOSFS_DIAGNOSTIC
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printf(" %d)", error);
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#endif
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return(error);
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}
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/*
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* lock the anode
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*/
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int
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adosfs_lock(sp)
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struct vop_lock_args /* {
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struct vnode *a_vp;
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} */ *sp;
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{
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struct vnode *vp;
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struct anode *ap;
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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#endif
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vp = sp->a_vp;
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start:
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while (vp->v_flag & VXLOCK) {
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vp->v_flag |= VXWANT;
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tsleep(vp, PINOD, "adosfs_lock vp", 0);
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}
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if (vp->v_tag == VT_NON)
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return (ENOENT);
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ap = VTOA(vp);
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if (ap->flags & ALOCKED) {
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ap->flags |= AWANT;
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tsleep(ap, PINOD, "adosfs_lock ap", 0);
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goto start;
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}
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ap->flags |= ALOCKED;
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#ifdef ADOSFS_DIAGNOSTIC
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printf(" 0)");
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#endif
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return(0);
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}
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/*
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* unlock an anode
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*/
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int
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adosfs_unlock(sp)
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struct vop_unlock_args /* {
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struct vnode *a_vp;
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} */ *sp;
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{
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struct anode *ap;
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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#endif
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ap = VTOA(sp->a_vp);
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ap->flags &= ~ALOCKED;
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if (ap->flags & AWANT) {
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ap->flags &= ~AWANT;
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wakeup(ap);
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}
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#ifdef ADOSFS_DIAGNOSTIC
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printf(" 0)");
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#endif
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return(0);
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}
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/*
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* Wait until the vnode has finished changing state.
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*/
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int
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adosfs_bmap(sp)
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struct vop_bmap_args /* {
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struct vnode *a_vp;
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daddr_t a_bn;
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struct vnode **a_vpp;
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daddr_t *a_bnp;
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int *a_runp;
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} */ *sp;
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{
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struct anode *ap;
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struct buf *flbp;
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long nb, flblk, flblkoff, fcnt;
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daddr_t *bnp;
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daddr_t bn;
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int error;
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#ifdef ADOSFS_DIAGNOSTIC
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advopprint(sp);
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#endif
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bn = sp->a_bn;
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bnp = sp->a_bnp;
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error = 0;
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ap = VTOA(sp->a_vp);
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if (sp->a_vpp != NULL)
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*sp->a_vpp = ap->amp->devvp;
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if (bnp == NULL)
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goto reterr;
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if (bn < 0) {
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error = EFBIG;
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goto reterr;
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}
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if (sp->a_vp->v_type != VREG) {
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error = EINVAL;
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goto reterr;
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}
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/*
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* walk the chain of file list blocks until we find
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* the one that will yield the block pointer we need.
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*/
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if (ap->type == AFILE)
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nb = ap->block; /* pointer to ourself */
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else if (ap->type == ALFILE)
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nb = ap->linkto; /* pointer to real file */
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else {
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error = EINVAL;
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goto reterr;
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}
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flblk = bn / ANODENDATBLKENT(ap);
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flbp = NULL;
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/*
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* check last indirect block cache
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*/
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if (flblk < ap->lastlindblk)
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fcnt = 0;
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else {
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flblk -= ap->lastlindblk;
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fcnt = ap->lastlindblk;
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nb = ap->lastindblk;
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}
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while (flblk >= 0) {
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if (flbp)
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brelse(flbp);
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if (nb == 0) {
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#ifdef DIAGNOSTIC
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printf("adosfs: bad file list chain.\n");
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#endif
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error = EINVAL;
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goto reterr;
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}
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if (error = bread(ap->amp->devvp, nb, ap->amp->bsize,
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NOCRED, &flbp))
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goto reterr;
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if (adoscksum(flbp, ap->nwords)) {
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#ifdef DIAGNOSTIC
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printf("adosfs: blk %d failed cksum.\n", nb);
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#endif
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brelse(flbp);
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error = EINVAL;
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goto reterr;
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}
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/*
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* update last indirect block cache
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*/
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ap->lastlindblk = fcnt++;
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ap->lastindblk = nb;
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nb = adoswordn(flbp, ap->nwords - 2);
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flblk--;
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}
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/*
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* calculate offset of block number in table. The table starts
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* at nwords - 51 and goes to offset 6 or less if indicated by the
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* valid table entries stored at offset ADBI_NBLKTABENT.
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*/
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flblkoff = bn % ANODENDATBLKENT(ap);
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if (flblkoff < adoswordn(flbp, 2 /* ADBI_NBLKTABENT */)) {
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flblkoff = (ap->nwords - 51) - flblkoff;
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*bnp = adoswordn(flbp, flblkoff);
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} else {
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#ifdef DIAGNOSTIC
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printf("flblk offset %d too large in lblk %d blk %d\n",
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flblkoff, bn, flbp->b_blkno);
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#endif
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error = EINVAL;
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}
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brelse(flbp);
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reterr:
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#ifdef ADOSFS_DIAGNOSTIC
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if (error == 0 && bnp)
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printf(" %d => %d", bn, *bnp);
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printf(" %d)", error);
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#endif
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return(error);
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}
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/*
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* Print out the contents of a adosfs vnode.
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*/
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/* ARGSUSED */
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int
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adosfs_print(sp)
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struct vop_print_args /* {
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struct vnode *a_vp;
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} */ *sp;
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{
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return(0);
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}
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struct adirent {
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u_long fileno;
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u_short reclen;
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char type;
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char namlen;
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char name[32]; /* maxlen of 30 plus 2 NUL's */
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};
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int
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adosfs_readdir(sp)
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struct vop_readdir_args /* {
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struct vnode *a_vp;
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struct uio *a_uio;
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struct ucred *a_cred;
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int *a_eofflag;
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u_long *a_cookies;
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int a_ncookies;
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|
} */ *sp;
|
|
{
|
|
int error, useri, chainc, hashi, scanned, uavail;
|
|
struct adirent ad, *adp;
|
|
struct anode *pap, *ap;
|
|
struct adosfsmount *amp;
|
|
struct vnode *vp;
|
|
struct uio *uio;
|
|
u_long nextbn, resid;
|
|
off_t uoff;
|
|
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
advopprint(sp);
|
|
#endif
|
|
if (sp->a_vp->v_type != VDIR) {
|
|
error = ENOTDIR;
|
|
goto reterr;
|
|
}
|
|
uio = sp->a_uio;
|
|
uoff = uio->uio_offset;
|
|
if (uoff < 0) {
|
|
error = EINVAL;
|
|
goto reterr;
|
|
}
|
|
|
|
pap = VTOA(sp->a_vp);
|
|
amp = pap->amp;
|
|
adp = &ad;
|
|
error = nextbn = hashi = chainc = scanned = 0;
|
|
uavail = uio->uio_resid / sizeof(ad);
|
|
useri = uoff / sizeof(ad);
|
|
|
|
/*
|
|
* if no slots available or offset requested is not on a slot boundry
|
|
*/
|
|
if (uavail < 1 || uoff % sizeof(ad)) {
|
|
error = EINVAL;
|
|
goto reterr;
|
|
}
|
|
|
|
while (uavail && (sp->a_cookies == NULL || sp->a_ncookies > 0)) {
|
|
if (hashi == pap->ntabent) {
|
|
*sp->a_eofflag = 1;
|
|
break;
|
|
}
|
|
if (pap->tab[hashi] == 0) {
|
|
hashi++;
|
|
continue;
|
|
}
|
|
if (nextbn == 0)
|
|
nextbn = pap->tab[hashi];
|
|
|
|
/*
|
|
* first determine if we can skip this chain
|
|
*/
|
|
if (chainc == 0) {
|
|
int skip;
|
|
|
|
skip = useri - scanned;
|
|
if (pap->tabi[hashi] > 0 && pap->tabi[hashi] <= skip) {
|
|
scanned += pap->tabi[hashi];
|
|
hashi++;
|
|
nextbn = 0;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* now [continue to] walk the chain
|
|
*/
|
|
ap = NULL;
|
|
do {
|
|
if (error = VFS_VGET(amp->mp, (ino_t)nextbn, &vp))
|
|
goto reterr;
|
|
ap = VTOA(vp);
|
|
scanned++;
|
|
chainc++;
|
|
nextbn = ap->hashf;
|
|
|
|
/*
|
|
* check for end of chain.
|
|
*/
|
|
if (nextbn == 0) {
|
|
pap->tabi[hashi] = chainc;
|
|
hashi++;
|
|
chainc = 0;
|
|
} else if (pap->tabi[hashi] <= 0 &&
|
|
-chainc < pap->tabi[hashi])
|
|
pap->tabi[hashi] = -chainc;
|
|
|
|
if (useri >= scanned) {
|
|
vput(vp);
|
|
ap = NULL;
|
|
}
|
|
} while (ap == NULL && nextbn != 0);
|
|
|
|
/*
|
|
* we left the loop but without a result so do main over.
|
|
*/
|
|
if (ap == NULL)
|
|
continue;
|
|
/*
|
|
* Fill in dirent record
|
|
*/
|
|
bzero(adp, sizeof(struct adirent));
|
|
adp->fileno = ap->block;
|
|
/*
|
|
* this deserves an function in kern/vfs_subr.c
|
|
*/
|
|
switch (ATOV(ap)->v_type) {
|
|
case VREG:
|
|
adp->type = DT_REG;
|
|
break;
|
|
case VDIR:
|
|
adp->type = DT_DIR;
|
|
break;
|
|
case VLNK:
|
|
adp->type = DT_LNK;
|
|
break;
|
|
default:
|
|
adp->type = DT_UNKNOWN;
|
|
break;
|
|
}
|
|
adp->reclen = sizeof(struct adirent);
|
|
adp->namlen = strlen(ap->name);
|
|
bcopy(ap->name, adp->name, adp->namlen);
|
|
vput(vp);
|
|
|
|
error = uiomove(adp, sizeof(struct adirent), uio);
|
|
if (error)
|
|
break;
|
|
if (sp->a_cookies) {
|
|
*sp->a_cookies++ = uoff;
|
|
sp->a_ncookies--;
|
|
}
|
|
uoff += sizeof(struct adirent);
|
|
useri++;
|
|
uavail--;
|
|
}
|
|
#if doesnt_uiomove_handle_this
|
|
uio->uio_offset = uoff;
|
|
#endif
|
|
reterr:
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
printf(" %d)", error);
|
|
#endif
|
|
return(error);
|
|
}
|
|
|
|
|
|
int
|
|
adosfs_access(sp)
|
|
struct vop_access_args /* {
|
|
struct vnode *a_vp;
|
|
int a_mode;
|
|
struct ucred *a_cred;
|
|
struct proc *a_p;
|
|
} */ *sp;
|
|
{
|
|
struct anode *ap;
|
|
int error;
|
|
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
advopprint(sp);
|
|
#endif
|
|
|
|
ap = VTOA(sp->a_vp);
|
|
#ifdef DIAGNOSTIC
|
|
if (!VOP_ISLOCKED(sp->a_vp)) {
|
|
vprint("adosfs_access: not locked", sp->a_vp);
|
|
panic("adosfs_access: not locked");
|
|
}
|
|
#endif
|
|
#ifdef QUOTA
|
|
#endif
|
|
error = vaccess(adunixprot(ap->adprot) & ap->amp->mask, ap->uid,
|
|
ap->gid, sp->a_mode, sp->a_cred);
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
printf(" %d)", error);
|
|
#endif
|
|
return(error);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
int
|
|
adosfs_readlink(sp)
|
|
struct vop_readlink_args /* {
|
|
struct vnode *a_vp;
|
|
struct uio *a_uio;
|
|
struct ucred *a_cred;
|
|
} */ *sp;
|
|
{
|
|
struct anode *ap;
|
|
int error;
|
|
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
advopprint(sp);
|
|
#endif
|
|
error = 0;
|
|
ap = VTOA(sp->a_vp);
|
|
if (ap->type != ASLINK)
|
|
error = EBADF;
|
|
/*
|
|
* XXX Should this be NULL terminated?
|
|
*/
|
|
if (error == 0)
|
|
error = uiomove(ap->slinkto, strlen(ap->slinkto)+1, sp->a_uio);
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
printf(" %d)", error);
|
|
#endif
|
|
return(error);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
int
|
|
adosfs_inactive(sp)
|
|
struct vop_inactive_args /* {
|
|
struct vnode *a_vp;
|
|
} */ *sp;
|
|
{
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
advopprint(sp);
|
|
#endif
|
|
if (sp->a_vp->v_usecount == 0 /* && check for file gone? */)
|
|
vgone(sp->a_vp);
|
|
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
printf(" 0)");
|
|
#endif
|
|
return(0);
|
|
}
|
|
int
|
|
adosfs_islocked(sp)
|
|
struct vop_islocked_args /* {
|
|
struct vnode *a_vp;
|
|
} */ *sp;
|
|
{
|
|
int locked;
|
|
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
advopprint(sp);
|
|
#endif
|
|
|
|
locked = (VTOA(sp->a_vp)->flags & ALOCKED) == ALOCKED;
|
|
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
printf(" %d)", locked);
|
|
#endif
|
|
return(locked);
|
|
}
|
|
|
|
/*
|
|
* the kernel wants its vnode back.
|
|
* no lock needed we are being called from vclean()
|
|
*/
|
|
int
|
|
adosfs_reclaim(sp)
|
|
struct vop_reclaim_args /* {
|
|
struct vnode *a_vp;
|
|
} */ *sp;
|
|
{
|
|
struct vnode *vp;
|
|
struct anode *ap;
|
|
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
printf("(reclaim 0)");
|
|
#endif
|
|
vp = sp->a_vp;
|
|
ap = VTOA(vp);
|
|
LIST_REMOVE(ap, link);
|
|
cache_purge(vp);
|
|
if (vp->v_type == VDIR && ap->tab)
|
|
free(ap->tab, M_ANODE);
|
|
else if (vp->v_type == VLNK && ap->slinkto)
|
|
free(ap->slinkto, M_ANODE);
|
|
free(ap, M_ANODE);
|
|
vp->v_data = NULL;
|
|
return(0);
|
|
}
|
|
|
|
|
|
/*
|
|
* POSIX pathconf info, grabbed from kern/u fs, probably need to
|
|
* investigate exactly what each return type means as they are probably
|
|
* not valid currently
|
|
*/
|
|
adosfs_pathconf(sp)
|
|
struct vop_pathconf_args /* {
|
|
struct vnode *a_vp;
|
|
int a_name;
|
|
register_t *a_retval;
|
|
} */ *sp;
|
|
{
|
|
|
|
switch (sp->a_name) {
|
|
case _PC_LINK_MAX:
|
|
*sp->a_retval = LINK_MAX;
|
|
return (0);
|
|
case _PC_MAX_CANON:
|
|
*sp->a_retval = MAX_CANON;
|
|
return (0);
|
|
case _PC_MAX_INPUT:
|
|
*sp->a_retval = MAX_INPUT;
|
|
return (0);
|
|
case _PC_PIPE_BUF:
|
|
*sp->a_retval = PIPE_BUF;
|
|
return (0);
|
|
case _PC_CHOWN_RESTRICTED:
|
|
*sp->a_retval = 1;
|
|
return (0);
|
|
case _PC_VDISABLE:
|
|
*sp->a_retval = _POSIX_VDISABLE;
|
|
return (0);
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
int
|
|
adenotsup(sp)
|
|
void *sp;
|
|
{
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
advopprint(sp);
|
|
printf(" EOPNOTSUPP)");
|
|
#endif
|
|
return(EOPNOTSUPP);
|
|
}
|
|
|
|
int
|
|
adnullop(sp)
|
|
void *sp;
|
|
{
|
|
#ifdef ADOSFS_DIAGNOSTIC
|
|
advopprint(sp);
|
|
printf(" NULL)");
|
|
#endif
|
|
return(0);
|
|
}
|
|
|
|
#define adosfs_close ((int (*) __P((struct vop_close_args *)))adnullop)
|
|
#define adosfs_fsync ((int (*) __P((struct vop_fsync_args *)))adnullop)
|
|
#define adosfs_lease_check ((int (*) __P((struct vop_lease_args *)))adnullop)
|
|
#define adosfs_seek ((int (*) __P((struct vop_seek_args *)))adnullop)
|
|
#define adosfs_vfree ((int (*) __P((struct vop_vfree_args *)))adnullop)
|
|
|
|
#define adosfs_abortop ((int (*) __P((struct vop_abortop_args *)))adenotsup)
|
|
#define adosfs_advlock ((int (*) __P((struct vop_advlock_args *)))adenotsup)
|
|
#define adosfs_blkatoff ((int (*) __P((struct vop_blkatoff_args *)))adenotsup)
|
|
#define adosfs_bwrite ((int (*) __P((struct vop_bwrite_args *)))adenotsup)
|
|
#define adosfs_create ((int (*) __P((struct vop_create_args *)))adenotsup)
|
|
#define adosfs_link ((int (*) __P((struct vop_link_args *)))adenotsup)
|
|
#define adosfs_mkdir ((int (*) __P((struct vop_mkdir_args *)))adenotsup)
|
|
#define adosfs_mknod ((int (*) __P((struct vop_mknod_args *)))adenotsup)
|
|
#define adosfs_mmap ((int (*) __P((struct vop_mmap_args *)))adenotsup)
|
|
#define adosfs_remove ((int (*) __P((struct vop_remove_args *)))adenotsup)
|
|
#define adosfs_rename ((int (*) __P((struct vop_rename_args *)))adenotsup)
|
|
#define adosfs_rmdir ((int (*) __P((struct vop_rmdir_args *)))adenotsup)
|
|
#define adosfs_setattr ((int (*) __P((struct vop_setattr_args *)))adenotsup)
|
|
#define adosfs_symlink ((int (*) __P((struct vop_symlink_args *)))adenotsup)
|
|
#define adosfs_truncate ((int (*) __P((struct vop_truncate_args *)))adenotsup)
|
|
#define adosfs_update ((int (*) __P((struct vop_update_args *)))adenotsup)
|
|
#define adosfs_valloc ((int (*) __P((struct vop_valloc_args *)))adenotsup)
|
|
|
|
struct vnodeopv_entry_desc adosfs_vnodeop_entries[] = {
|
|
{ &vop_default_desc, vn_default_error },
|
|
{ &vop_lookup_desc, adosfs_lookup }, /* lookup */
|
|
{ &vop_create_desc, adosfs_create }, /* create */
|
|
{ &vop_mknod_desc, adosfs_mknod }, /* mknod */
|
|
{ &vop_open_desc, adosfs_open }, /* open */
|
|
{ &vop_close_desc, adosfs_close }, /* close */
|
|
{ &vop_access_desc, adosfs_access }, /* access */
|
|
{ &vop_getattr_desc, adosfs_getattr }, /* getattr */
|
|
{ &vop_setattr_desc, adosfs_setattr }, /* setattr */
|
|
{ &vop_read_desc, adosfs_read }, /* read */
|
|
{ &vop_write_desc, adosfs_write }, /* write */
|
|
{ &vop_lease_desc, adosfs_lease_check }, /* lease */
|
|
{ &vop_ioctl_desc, adosfs_ioctl }, /* ioctl */
|
|
{ &vop_select_desc, adosfs_select }, /* select */
|
|
{ &vop_mmap_desc, adosfs_mmap }, /* mmap */
|
|
{ &vop_fsync_desc, adosfs_fsync }, /* fsync */
|
|
{ &vop_seek_desc, adosfs_seek }, /* seek */
|
|
{ &vop_remove_desc, adosfs_remove }, /* remove */
|
|
{ &vop_link_desc, adosfs_link }, /* link */
|
|
{ &vop_rename_desc, adosfs_rename }, /* rename */
|
|
{ &vop_mkdir_desc, adosfs_mkdir }, /* mkdir */
|
|
{ &vop_rmdir_desc, adosfs_rmdir }, /* rmdir */
|
|
{ &vop_symlink_desc, adosfs_symlink }, /* symlink */
|
|
{ &vop_readdir_desc, adosfs_readdir }, /* readdir */
|
|
{ &vop_readlink_desc, adosfs_readlink }, /* readlink */
|
|
{ &vop_abortop_desc, adosfs_abortop }, /* abortop */
|
|
{ &vop_inactive_desc, adosfs_inactive }, /* inactive */
|
|
{ &vop_reclaim_desc, adosfs_reclaim }, /* reclaim */
|
|
{ &vop_lock_desc, adosfs_lock }, /* lock */
|
|
{ &vop_unlock_desc, adosfs_unlock }, /* unlock */
|
|
{ &vop_bmap_desc, adosfs_bmap }, /* bmap */
|
|
{ &vop_strategy_desc, adosfs_strategy }, /* strategy */
|
|
{ &vop_print_desc, adosfs_print }, /* print */
|
|
{ &vop_islocked_desc, adosfs_islocked }, /* islocked */
|
|
{ &vop_pathconf_desc, adosfs_pathconf }, /* pathconf */
|
|
{ &vop_advlock_desc, adosfs_advlock }, /* advlock */
|
|
{ &vop_blkatoff_desc, adosfs_blkatoff }, /* blkatoff */
|
|
{ &vop_valloc_desc, adosfs_valloc }, /* valloc */
|
|
{ &vop_vfree_desc, adosfs_vfree }, /* vfree */
|
|
{ &vop_truncate_desc, adosfs_truncate }, /* truncate */
|
|
{ &vop_update_desc, adosfs_update }, /* update */
|
|
{ &vop_bwrite_desc, adosfs_bwrite }, /* bwrite */
|
|
{ (struct vnodeop_desc*)NULL, (int(*)())NULL }
|
|
};
|
|
struct vnodeopv_desc adosfs_vnodeop_opv_desc =
|
|
{ &adosfs_vnodeop_p, adosfs_vnodeop_entries };
|