/* $NetBSD: ops_efs.c,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */ /* * Copyright (c) 1997-2014 Erez Zadok * Copyright (c) 1990 Jan-Simon Pendry * Copyright (c) 1990 Imperial College of Science, Technology & Medicine * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * 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. * * * File: am-utils/amd/ops_efs.c * */ /* * Irix UN*X file system: EFS (Extent File System) */ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include /* forward declarations */ static char *efs_match(am_opts *fo); static int efs_mount(am_node *am, mntfs *mf); static int efs_umount(am_node *am, mntfs *mf); /* * Ops structure */ am_ops efs_ops = { "efs", efs_match, 0, /* efs_init */ efs_mount, efs_umount, amfs_error_lookup_child, amfs_error_mount_child, amfs_error_readdir, 0, /* efs_readlink */ 0, /* efs_mounted */ 0, /* efs_umounted */ amfs_generic_find_srvr, 0, /* efs_get_wchan */ FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */ #ifdef HAVE_FS_AUTOFS AUTOFS_EFS_FS_FLAGS, #endif /* HAVE_FS_AUTOFS */ }; /* * EFS needs local filesystem and device. */ static char * efs_match(am_opts *fo) { if (!fo->opt_dev) { plog(XLOG_USER, "efs: no device specified"); return 0; } dlog("EFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs); /* * Determine magic cookie to put in mtab */ return xstrdup(fo->opt_dev); } static int mount_efs(char *mntdir, char *fs_name, char *opts, int on_autofs) { efs_args_t efs_args; mntent_t mnt; int flags; /* * Figure out the name of the file system type. */ MTYPE_TYPE type = MOUNT_TYPE_EFS; memset((voidp) &efs_args, 0, sizeof(efs_args)); /* Paranoid */ /* * Fill in the mount structure */ memset((voidp) &mnt, 0, sizeof(mnt)); mnt.mnt_dir = mntdir; mnt.mnt_fsname = fs_name; mnt.mnt_type = MNTTAB_TYPE_EFS; mnt.mnt_opts = opts; flags = compute_mount_flags(&mnt); #ifdef HAVE_FS_AUTOFS if (on_autofs) flags |= autofs_compute_mount_flags(&mnt); #endif /* HAVE_FS_AUTOFS */ #ifdef HAVE_EFS_ARGS_T_FLAGS efs_args.flags = 0; /* XXX: fix this to correct flags */ #endif /* HAVE_EFS_ARGS_T_FLAGS */ #ifdef HAVE_EFS_ARGS_T_FSPEC efs_args.fspec = fs_name; #endif /* HAVE_EFS_ARGS_T_FSPEC */ #if defined(HAVE_EFS_ARGS_T_VERSION) && defined(EFS_MNT_VERSION) efs_args.version = EFS_MNT_VERSION; #endif /* HAVE_EFS_ARGS_T_VERSION && EFS_MNT_VERSION */ /* * Call generic mount routine */ return mount_fs(&mnt, flags, (caddr_t) &efs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs); } static int efs_mount(am_node *am, mntfs *mf) { int on_autofs = mf->mf_flags & MFF_ON_AUTOFS; int error; error = mount_efs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs); if (error) { errno = error; plog(XLOG_ERROR, "mount_efs: %m"); return error; } return 0; } static int efs_umount(am_node *am, mntfs *mf) { int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0; return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags); }