/* $NetBSD: sysvbfs.c,v 1.12 2008/05/10 02:26:09 rumble Exp $ */ /*- * Copyright (c) 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by UCHIYAMA Yasushi. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: sysvbfs.c,v 1.12 2008/05/10 02:26:09 rumble Exp $"); #include <sys/resource.h> #include <sys/param.h> #include <sys/vnode.h> #include <sys/mount.h> #include <sys/module.h> #include <miscfs/genfs/genfs.h> #include <miscfs/genfs/genfs_node.h> #include <fs/sysvbfs/sysvbfs.h> MODULE(MODULE_CLASS_VFS, sysvbfs, NULL); /* External interfaces */ int (**sysvbfs_vnodeop_p)(void *); /* filled by getnewvnode (vnode.h) */ const struct vnodeopv_entry_desc sysvbfs_vnodeop_entries[] = { { &vop_default_desc, vn_default_error }, { &vop_lookup_desc, sysvbfs_lookup }, /* lookup */ { &vop_create_desc, sysvbfs_create }, /* create */ { &vop_mknod_desc, genfs_eopnotsupp }, /* mknod */ { &vop_open_desc, sysvbfs_open }, /* open */ { &vop_close_desc, sysvbfs_close }, /* close */ { &vop_access_desc, sysvbfs_access }, /* access */ { &vop_getattr_desc, sysvbfs_getattr }, /* getattr */ { &vop_setattr_desc, sysvbfs_setattr }, /* setattr */ { &vop_read_desc, sysvbfs_read }, /* read */ { &vop_write_desc, sysvbfs_write }, /* write */ { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */ { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */ { &vop_poll_desc, genfs_poll }, /* poll */ { &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */ { &vop_revoke_desc, genfs_revoke }, /* revoke */ { &vop_mmap_desc, genfs_mmap }, /* mmap */ { &vop_fsync_desc, sysvbfs_fsync }, /* fsync */ { &vop_seek_desc, genfs_seek }, /* seek */ { &vop_remove_desc, sysvbfs_remove }, /* remove */ { &vop_link_desc, genfs_eopnotsupp }, /* link */ { &vop_rename_desc, sysvbfs_rename }, /* rename */ { &vop_mkdir_desc, genfs_eopnotsupp }, /* mkdir */ { &vop_rmdir_desc, genfs_eopnotsupp }, /* rmdir */ { &vop_symlink_desc, genfs_eopnotsupp }, /* symlink */ { &vop_readdir_desc, sysvbfs_readdir }, /* readdir */ { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */ { &vop_abortop_desc, genfs_abortop }, /* abortop */ { &vop_inactive_desc, sysvbfs_inactive }, /* inactive */ { &vop_reclaim_desc, sysvbfs_reclaim }, /* reclaim */ { &vop_lock_desc, genfs_lock }, /* lock */ { &vop_unlock_desc, genfs_unlock }, /* unlock */ { &vop_bmap_desc, sysvbfs_bmap }, /* bmap */ { &vop_strategy_desc, sysvbfs_strategy }, /* strategy */ { &vop_print_desc, sysvbfs_print }, /* print */ { &vop_islocked_desc, genfs_islocked }, /* islocked */ { &vop_pathconf_desc, sysvbfs_pathconf }, /* pathconf */ { &vop_advlock_desc, sysvbfs_advlock }, /* advlock */ { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ { &vop_getpages_desc, genfs_getpages }, /* getpages */ { &vop_putpages_desc, genfs_putpages }, /* putpages */ { NULL, NULL } }; const struct vnodeopv_desc sysvbfs_vnodeop_opv_desc = { &sysvbfs_vnodeop_p, sysvbfs_vnodeop_entries }; const struct vnodeopv_desc *sysvbfs_vnodeopv_descs[] = { &sysvbfs_vnodeop_opv_desc, NULL, }; const struct genfs_ops sysvbfs_genfsops = { .gop_size = genfs_size, .gop_alloc = sysvbfs_gop_alloc, .gop_write = genfs_gop_write, }; struct vfsops sysvbfs_vfsops = { MOUNT_SYSVBFS, sizeof (struct sysvbfs_args), sysvbfs_mount, sysvbfs_start, sysvbfs_unmount, sysvbfs_root, (void *)eopnotsupp, /* vfs_quotactl */ sysvbfs_statvfs, sysvbfs_sync, sysvbfs_vget, sysvbfs_fhtovp, sysvbfs_vptofh, sysvbfs_init, sysvbfs_reinit, sysvbfs_done, NULL, /* vfs_mountroot */ (int (*)(struct mount *, struct vnode *, struct timespec *)) eopnotsupp, /* snapshot */ vfs_stdextattrctl, (void *)eopnotsupp, /* vfs_suspendctl */ genfs_renamelock_enter, genfs_renamelock_exit, (void *)eopnotsupp, sysvbfs_vnodeopv_descs, 0, { NULL, NULL } }; static int sysvbfs_modcmd(modcmd_t cmd, void *arg) { switch (cmd) { case MODULE_CMD_INIT: return vfs_attach(&sysvbfs_vfsops); case MODULE_CMD_FINI: return vfs_detach(&sysvbfs_vfsops); default: return ENOTTY; } }