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sysvbfs.c revision 1.10 
      1 /*	$NetBSD: sysvbfs.c,v 1.10 2008/04/28 20:24:02 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: sysvbfs.c,v 1.10 2008/04/28 20:24:02 martin Exp $");
     34 
     35 #include <sys/resource.h>
     36 #include <sys/param.h>
     37 #include <sys/vnode.h>
     38 #include <sys/mount.h>
     39 #include <miscfs/genfs/genfs.h>
     40 #include <miscfs/genfs/genfs_node.h>
     41 #include <fs/sysvbfs/sysvbfs.h>
     42 
     43 /* External interfaces */
     44 
     45 int (**sysvbfs_vnodeop_p)(void *);	/* filled by getnewvnode (vnode.h) */
     46 
     47 const struct vnodeopv_entry_desc sysvbfs_vnodeop_entries[] = {
     48 	{ &vop_default_desc, vn_default_error },
     49 	{ &vop_lookup_desc, sysvbfs_lookup },		/* lookup */
     50 	{ &vop_create_desc, sysvbfs_create },		/* create */
     51 	{ &vop_mknod_desc, genfs_eopnotsupp },		/* mknod */
     52 	{ &vop_open_desc, sysvbfs_open },		/* open */
     53 	{ &vop_close_desc, sysvbfs_close },		/* close */
     54 	{ &vop_access_desc, sysvbfs_access },		/* access */
     55 	{ &vop_getattr_desc, sysvbfs_getattr },		/* getattr */
     56 	{ &vop_setattr_desc, sysvbfs_setattr },		/* setattr */
     57 	{ &vop_read_desc, sysvbfs_read },		/* read */
     58 	{ &vop_write_desc, sysvbfs_write },		/* write */
     59 	{ &vop_fcntl_desc, genfs_fcntl },		/* fcntl */
     60 	{ &vop_ioctl_desc, genfs_enoioctl },		/* ioctl */
     61 	{ &vop_poll_desc, genfs_poll },			/* poll */
     62 	{ &vop_kqfilter_desc, genfs_kqfilter },		/* kqfilter */
     63 	{ &vop_revoke_desc, genfs_revoke },		/* revoke */
     64 	{ &vop_mmap_desc, genfs_mmap },			/* mmap */
     65 	{ &vop_fsync_desc, sysvbfs_fsync },		/* fsync */
     66 	{ &vop_seek_desc, genfs_seek },			/* seek */
     67 	{ &vop_remove_desc, sysvbfs_remove },		/* remove */
     68 	{ &vop_link_desc, genfs_eopnotsupp },		/* link */
     69 	{ &vop_rename_desc, sysvbfs_rename },		/* rename */
     70 	{ &vop_mkdir_desc, genfs_eopnotsupp },		/* mkdir */
     71 	{ &vop_rmdir_desc, genfs_eopnotsupp },		/* rmdir */
     72 	{ &vop_symlink_desc, genfs_eopnotsupp },	/* symlink */
     73 	{ &vop_readdir_desc, sysvbfs_readdir },		/* readdir */
     74 	{ &vop_readlink_desc, genfs_eopnotsupp },	/* readlink */
     75 	{ &vop_abortop_desc, genfs_abortop },		/* abortop */
     76 	{ &vop_inactive_desc, sysvbfs_inactive },	/* inactive */
     77 	{ &vop_reclaim_desc, sysvbfs_reclaim },		/* reclaim */
     78 	{ &vop_lock_desc, genfs_lock },			/* lock */
     79 	{ &vop_unlock_desc, genfs_unlock },		/* unlock */
     80 	{ &vop_bmap_desc, sysvbfs_bmap },		/* bmap */
     81 	{ &vop_strategy_desc, sysvbfs_strategy },	/* strategy */
     82 	{ &vop_print_desc, sysvbfs_print },		/* print */
     83 	{ &vop_islocked_desc, genfs_islocked },		/* islocked */
     84 	{ &vop_pathconf_desc, sysvbfs_pathconf },	/* pathconf */
     85 	{ &vop_advlock_desc, sysvbfs_advlock },		/* advlock */
     86 	{ &vop_bwrite_desc, vn_bwrite },		/* bwrite */
     87 	{ &vop_getpages_desc, genfs_getpages },		/* getpages */
     88 	{ &vop_putpages_desc, genfs_putpages },		/* putpages */
     89 	{ NULL, NULL }
     90 };
     91 
     92 const struct vnodeopv_desc sysvbfs_vnodeop_opv_desc = {
     93 	&sysvbfs_vnodeop_p,
     94 	sysvbfs_vnodeop_entries
     95 };
     96 
     97 const struct vnodeopv_desc *sysvbfs_vnodeopv_descs[] = {
     98 	&sysvbfs_vnodeop_opv_desc,
     99 	NULL,
    100 };
    101 
    102 const struct genfs_ops sysvbfs_genfsops = {
    103 	.gop_size = genfs_size,
    104 	.gop_alloc = sysvbfs_gop_alloc,
    105 	.gop_write = genfs_gop_write,
    106 };
    107 
    108 struct vfsops sysvbfs_vfsops = {
    109 	MOUNT_SYSVBFS,
    110 	sizeof (struct sysvbfs_args),
    111 	sysvbfs_mount,
    112 	sysvbfs_start,
    113 	sysvbfs_unmount,
    114 	sysvbfs_root,
    115 	(void *)eopnotsupp,	/* vfs_quotactl */
    116 	sysvbfs_statvfs,
    117 	sysvbfs_sync,
    118 	sysvbfs_vget,
    119 	sysvbfs_fhtovp,
    120 	sysvbfs_vptofh,
    121 	sysvbfs_init,
    122 	sysvbfs_reinit,
    123 	sysvbfs_done,
    124 	NULL,			/* vfs_mountroot */
    125 	(int (*)(struct mount *, struct vnode *, struct timespec *))
    126 	    eopnotsupp,		/* snapshot */
    127 	vfs_stdextattrctl,
    128 	(void *)eopnotsupp,	/* vfs_suspendctl */
    129 	genfs_renamelock_enter,
    130 	genfs_renamelock_exit,
    131 	sysvbfs_vnodeopv_descs,
    132 	0,
    133 	{ NULL, NULL }
    134 };
    135 VFS_ATTACH(sysvbfs_vfsops);
    136