/* $NetBSD: rump_lfs.c,v 1.19 2019/08/30 23:41:48 brad Exp $ */
/*
* Copyright (c) 2008 Antti Kantee. All Rights Reserved.
*
* 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 AUTHOR ``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 AUTHOR 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/types.h>
#include <sys/mount.h>
#include <ufs/ufs/ufsmount.h>
#include <err.h>
#include <pthread.h>
#include <puffs.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <rump/rump.h>
#include <rump/p2k.h>
#include <rump/ukfs.h>
#include "mount_lfs.h"
#define RUMPRAWDEVICE "/dev/rrumpy0"
static void *
cleaner(void *arg)
{
const char *the_argv[9];
the_argv[0] = "megamaid";
the_argv[1] = "-D"; /* don't fork() & detach */
the_argv[2] = "-J"; /* treat arg as a device */
the_argv[3] = RUMPRAWDEVICE;
the_argv[4] = arg;
lfs_cleaner_main(5, __UNCONST(the_argv));
return NULL;
}
int
main(int argc, char *argv[])
{
struct ulfs_args args;
char canon_dev[UKFS_DEVICE_MAXPATHLEN], canon_dir[MAXPATHLEN];
char rawdev[MAXPATHLEN];
struct p2k_mount *p2m;
pthread_t cleanerthread;
struct ukfs_part *part;
int mntflags;
int rv;
setprogname(argv[0]);
puffs_unmountonsignal(SIGINT, true);
puffs_unmountonsignal(SIGTERM, true);
if (argc >= 3) {
UKFS_DEVICE_ARGVPROBE(&part);
if (part != ukfs_part_none) {
errx(1, "lfs does not currently support "
"embedded partitions");
}
}
mount_lfs_parseargs(argc, argv, &args, &mntflags, canon_dev, canon_dir);
/* Reset getopt for lfs_cleaner_main. */
optreset = 1;
optind = 1;
p2m = p2k_init(0);
if (!p2m)
err(1, "init p2k");
/*
* XXX: this particular piece inspired by the cleaner code.
* obviously FIXXXME along with the cleaner.
*/
strlcpy(rawdev, RUMPRAWDEVICE, MAXPATHLEN);
rump_pub_etfs_register(rawdev, canon_dev, RUMP_ETFS_CHR);
/*
* We basically have two choices:
* 1) run the cleaner in another process and do rump ipc syscalls
* 2) run it off a thread in this process and do rump syscalls
* as function calls.
*
* opt for "2" for now
*/
#ifdef CLEANER_TESTING
ukfs_mount(MOUNT_LFS, canon_dev, canon_dir, mntflags,
&args, sizeof(args));
cleaner(canon_dir);
#endif
if (p2k_setup_diskfs(p2m, MOUNT_LFS, canon_dev, part, canon_dir,
mntflags, &args, sizeof(args)) == -1)
err(1, "mount");
ukfs_part_release(part);
#ifndef CLEANER_TESTING
if ((mntflags & MNT_RDONLY) == 0) {
if (pthread_create(&cleanerthread, NULL,
cleaner, canon_dir) == -1)
err(1, "cannot start cleaner");
}
#endif
rv = p2k_mainloop(p2m);
if (rv == -1)
err(1, "fs service");
return 0;
}
