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sysvbfs.c revision 1.7
      1 /*	$NetBSD: sysvbfs.c,v 1.7 2007/11/26 19:01:54 pooka Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: sysvbfs.c,v 1.7 2007/11/26 19:01:54 pooka Exp $");
     41 
     42 #include <sys/resource.h>
     43 #include <sys/param.h>
     44 #include <sys/vnode.h>
     45 #include <sys/mount.h>
     46 #include <miscfs/genfs/genfs.h>
     47 #include <miscfs/genfs/genfs_node.h>
     48 #include <fs/sysvbfs/sysvbfs.h>
     49 
     50 /* External interfaces */
     51 
     52 int (**sysvbfs_vnodeop_p)(void *);	/* filled by getnewvnode (vnode.h) */
     53 
     54 const struct vnodeopv_entry_desc sysvbfs_vnodeop_entries[] = {
     55 	{ &vop_default_desc, vn_default_error },
     56 	{ &vop_lookup_desc, sysvbfs_lookup },		/* lookup */
     57 	{ &vop_create_desc, sysvbfs_create },		/* create */
     58 	{ &vop_mknod_desc, genfs_eopnotsupp },		/* mknod */
     59 	{ &vop_open_desc, sysvbfs_open },		/* open */
     60 	{ &vop_close_desc, sysvbfs_close },		/* close */
     61 	{ &vop_access_desc, sysvbfs_access },		/* access */
     62 	{ &vop_getattr_desc, sysvbfs_getattr },		/* getattr */
     63 	{ &vop_setattr_desc, sysvbfs_setattr },		/* setattr */
     64 	{ &vop_read_desc, sysvbfs_read },		/* read */
     65 	{ &vop_write_desc, sysvbfs_write },		/* write */
     66 	{ &vop_lease_desc, genfs_lease_check },		/* lease */
     67 	{ &vop_fcntl_desc, genfs_fcntl },		/* fcntl */
     68 	{ &vop_ioctl_desc, genfs_enoioctl },		/* ioctl */
     69 	{ &vop_poll_desc, genfs_poll },			/* poll */
     70 	{ &vop_kqfilter_desc, genfs_kqfilter },		/* kqfilter */
     71 	{ &vop_revoke_desc, genfs_revoke },		/* revoke */
     72 	{ &vop_mmap_desc, genfs_mmap },			/* mmap */
     73 	{ &vop_fsync_desc, sysvbfs_fsync },		/* fsync */
     74 	{ &vop_seek_desc, genfs_seek },			/* seek */
     75 	{ &vop_remove_desc, sysvbfs_remove },		/* remove */
     76 	{ &vop_link_desc, genfs_eopnotsupp },		/* link */
     77 	{ &vop_rename_desc, sysvbfs_rename },		/* rename */
     78 	{ &vop_mkdir_desc, genfs_eopnotsupp },		/* mkdir */
     79 	{ &vop_rmdir_desc, genfs_eopnotsupp },		/* rmdir */
     80 	{ &vop_symlink_desc, genfs_eopnotsupp },	/* symlink */
     81 	{ &vop_readdir_desc, sysvbfs_readdir },		/* readdir */
     82 	{ &vop_readlink_desc, genfs_eopnotsupp },	/* readlink */
     83 	{ &vop_abortop_desc, genfs_abortop },		/* abortop */
     84 	{ &vop_inactive_desc, sysvbfs_inactive },	/* inactive */
     85 	{ &vop_reclaim_desc, sysvbfs_reclaim },		/* reclaim */
     86 	{ &vop_lock_desc, genfs_lock },			/* lock */
     87 	{ &vop_unlock_desc, genfs_unlock },		/* unlock */
     88 	{ &vop_bmap_desc, sysvbfs_bmap },		/* bmap */
     89 	{ &vop_strategy_desc, sysvbfs_strategy },	/* strategy */
     90 	{ &vop_print_desc, sysvbfs_print },		/* print */
     91 	{ &vop_islocked_desc, genfs_islocked },		/* islocked */
     92 	{ &vop_pathconf_desc, sysvbfs_pathconf },	/* pathconf */
     93 	{ &vop_advlock_desc, sysvbfs_advlock },		/* advlock */
     94 	{ &vop_bwrite_desc, vn_bwrite },		/* bwrite */
     95 	{ &vop_getpages_desc, genfs_getpages },		/* getpages */
     96 	{ &vop_putpages_desc, genfs_putpages },		/* putpages */
     97 	{ NULL, NULL }
     98 };
     99 
    100 const struct vnodeopv_desc sysvbfs_vnodeop_opv_desc = {
    101 	&sysvbfs_vnodeop_p,
    102 	sysvbfs_vnodeop_entries
    103 };
    104 
    105 const struct vnodeopv_desc *sysvbfs_vnodeopv_descs[] = {
    106 	&sysvbfs_vnodeop_opv_desc,
    107 	NULL,
    108 };
    109 
    110 const struct genfs_ops sysvbfs_genfsops = {
    111 	.gop_size = genfs_size,
    112 	.gop_alloc = sysvbfs_gop_alloc,
    113 	.gop_write = genfs_gop_write,
    114 };
    115 
    116 struct vfsops sysvbfs_vfsops = {
    117 	MOUNT_SYSVBFS,
    118 	sizeof (struct sysvbfs_args),
    119 	sysvbfs_mount,
    120 	sysvbfs_start,
    121 	sysvbfs_unmount,
    122 	sysvbfs_root,
    123 	(void *)eopnotsupp,	/* vfs_quotactl */
    124 	sysvbfs_statvfs,
    125 	sysvbfs_sync,
    126 	sysvbfs_vget,
    127 	sysvbfs_fhtovp,
    128 	sysvbfs_vptofh,
    129 	sysvbfs_init,
    130 	sysvbfs_reinit,
    131 	sysvbfs_done,
    132 	NULL,			/* vfs_mountroot */
    133 	(int (*)(struct mount *, struct vnode *, struct timespec *))
    134 	    eopnotsupp,		/* snapshot */
    135 	vfs_stdextattrctl,
    136 	(void *)eopnotsupp,	/* vfs_suspendctl */
    137 	sysvbfs_vnodeopv_descs,
    138 	0,
    139 	{ NULL, NULL }
    140 };
    141 VFS_ATTACH(sysvbfs_vfsops);
    142