124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/* $NetBSD: rump_lfs.c,v 1.15 2010/01/12 18:43:37 pooka Exp $ */
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/*
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* Copyright (c) 2008 Antti Kantee. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <ufs/ufs/ufsmount.h>
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#include <err.h>
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#include <pthread.h>
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#include <puffs.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <rump/rump.h>
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#include <rump/p2k.h>
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#include <rump/ukfs.h>
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#include "mount_lfs.h"
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static void *
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cleaner(void *arg)
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{
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const char *the_argv[7];
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the_argv[0] = "megamaid";
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the_argv[1] = "-D"; /* don't fork() & detach */
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the_argv[2] = arg;
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lfs_cleaner_main(3, __UNCONST(the_argv));
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return NULL;
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}
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int
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main(int argc, char *argv[])
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{
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struct ufs_args args;
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char canon_dev[UKFS_DEVICE_MAXPATHLEN], canon_dir[MAXPATHLEN];
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char rawdev[MAXPATHLEN];
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struct p2k_mount *p2m;
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pthread_t cleanerthread;
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struct ukfs_part *part;
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int mntflags;
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int rv;
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setprogname(argv[0]);
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puffs_unmountonsignal(SIGINT, true);
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puffs_unmountonsignal(SIGTERM, true);
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UKFS_DEVICE_ARGVPROBE(&part);
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if (part != ukfs_part_none) {
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errx(1, "lfs does not currently support embedded partitions");
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}
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mount_lfs_parseargs(argc, argv, &args, &mntflags, canon_dev, canon_dir);
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p2m = p2k_init(0);
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if (!p2m)
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err(1, "init p2k");
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/*
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* XXX: this particular piece inspired by the cleaner code.
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* obviously FIXXXME along with the cleaner.
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*/
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sprintf(rawdev, "/dev/r%s", canon_dev+5);
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rump_pub_etfs_register(rawdev, canon_dev, RUMP_ETFS_CHR);
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/*
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* We basically have two choices:
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* 1) run the cleaner in another process and do rump ipc syscalls
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* 2) run it off a thread in this process and do rump syscalls
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* as function calls.
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*
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* opt for "2" for now
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*/
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#ifdef CLEANER_TESTING
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ukfs_mount(MOUNT_LFS, canon_dev, canon_dir, mntflags,
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&args, sizeof(args));
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cleaner(canon_dir);
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#endif
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if (p2k_setup_diskfs(p2m, MOUNT_LFS, canon_dev, part, canon_dir,
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mntflags, &args, sizeof(args)) == -1)
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err(1, "mount");
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ukfs_part_release(part);
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#ifndef CLEANER_TESTING
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if ((mntflags & MNT_RDONLY) == 0) {
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if (pthread_create(&cleanerthread, NULL,
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cleaner, canon_dir) == -1)
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err(1, "cannot start cleaner");
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}
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#endif
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rv = p2k_mainloop(p2m);
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if (rv == -1)
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err(1, "fs service");
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return 0;
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}
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