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- /*-
- * Copyright (c) 1991, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- * (c) UNIX System Laboratories, Inc.
- * All or some portions of this file are derived from material licensed
- * to the University of California by American Telephone and Telegraph
- * Co. or Unix System Laboratories, Inc. and are reproduced herein with
- * the permission of UNIX System Laboratories, Inc.
- *
- * 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. 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.
- *
- * @(#)ufs_vfsops.c 8.8 (Berkeley) 5/20/95
- */
- #include "u.h"
- #include "port/lib.h"
- #include "mem.h"
- #include "dat.h"
- #include "port/portfns.h"
- #include "ufsdat.h"
- #include <ufs/libufsdat.h>
- #include <ufs/freebsd_util.h>
- //#include <ufs/ufs/extattr.h>
- //#include <ufs/ufs/quota.h>
- #include "ufs/dinode.h"
- //#include <ufs/ufs/inode.h>
- //#include <ufs/ufs/ufsmount.h>
- #include "ffs_extern.h"
- //#ifdef UFS_DIRHASH
- //#include <ufs/ufs/dir.h>
- //#include <ufs/ufs/dirhash.h>
- //#endif
- //MALLOC_DEFINE(M_UFSMNT, "ufs_mount", "UFS mount structure");
- /*
- * Return the root of a filesystem.
- */
- int
- ufs_root(MountPoint *mp, int flags, vnode **vpp)
- {
- vnode *nvp;
- int error;
- error = ffs_vget(mp, (ino_t)UFS_ROOTINO, flags, &nvp);
- if (error)
- return (error);
- *vpp = nvp;
- return (0);
- }
- #if 0
- /*
- * Do operations associated with quotas
- */
- int
- ufs_quotactl(mp, cmds, id, arg)
- struct mount *mp;
- int cmds;
- uid_t id;
- void *arg;
- {
- #ifndef QUOTA
- if ((cmds >> SUBCMDSHIFT) == Q_QUOTAON)
- vfs_unbusy(mp);
- return (EOPNOTSUPP);
- #else
- struct thread *td;
- int cmd, type, error;
- td = curthread;
- cmd = cmds >> SUBCMDSHIFT;
- type = cmds & SUBCMDMASK;
- if (id == -1) {
- switch (type) {
- case USRQUOTA:
- id = td->td_ucred->cr_ruid;
- break;
- case GRPQUOTA:
- id = td->td_ucred->cr_rgid;
- break;
- default:
- if (cmd == Q_QUOTAON)
- vfs_unbusy(mp);
- return (EINVAL);
- }
- }
- if ((uint)type >= MAXQUOTAS) {
- if (cmd == Q_QUOTAON)
- vfs_unbusy(mp);
- return (EINVAL);
- }
- switch (cmd) {
- case Q_QUOTAON:
- error = quotaon(td, mp, type, arg);
- break;
- case Q_QUOTAOFF:
- error = quotaoff(td, mp, type);
- break;
- case Q_SETQUOTA32:
- error = setquota32(td, mp, id, type, arg);
- break;
- case Q_SETUSE32:
- error = setuse32(td, mp, id, type, arg);
- break;
- case Q_GETQUOTA32:
- error = getquota32(td, mp, id, type, arg);
- break;
- case Q_SETQUOTA:
- error = setquota(td, mp, id, type, arg);
- break;
- case Q_SETUSE:
- error = setuse(td, mp, id, type, arg);
- break;
- case Q_GETQUOTA:
- error = getquota(td, mp, id, type, arg);
- break;
- case Q_GETQUOTASIZE:
- error = getquotasize(td, mp, id, type, arg);
- break;
- case Q_SYNC:
- error = qsync(mp);
- break;
- default:
- error = EINVAL;
- break;
- }
- return (error);
- #endif
- }
- #endif // 0
- /*
- * Initial UFS filesystems, done only once.
- */
- int
- ufs_init ()
- {
- #ifdef QUOTA
- dqinit();
- #endif
- #ifdef UFS_DIRHASH
- ufsdirhash_init();
- #endif
- return (0);
- }
- /*
- * Uninitialise UFS filesystems, done before module unload.
- */
- int
- ufs_uninit ()
- {
- #ifdef QUOTA
- dquninit();
- #endif
- #ifdef UFS_DIRHASH
- ufsdirhash_uninit();
- #endif
- return (0);
- }
- #if 0
- /*
- * This is the generic part of fhtovp called after the underlying
- * filesystem has validated the file handle.
- *
- * Call the VFS_CHECKEXP beforehand to verify access.
- */
- int
- ufs_fhtovp (struct mount *mp, struct ufid *ufhp, int flags, struct vnode **vpp)
- {
- struct inode *ip;
- struct vnode *nvp;
- int error;
- error = VFS_VGET(mp, ufhp->ufid_ino, flags, &nvp);
- if (error) {
- *vpp = NULLVP;
- return (error);
- }
- ip = VTOI(nvp);
- if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen ||
- ip->i_effnlink <= 0) {
- vput(nvp);
- *vpp = NULLVP;
- return (ESTALE);
- }
- *vpp = nvp;
- vnode_create_vobject(*vpp, DIP(ip, i_size), curthread);
- return (0);
- }
- #endif // 0
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