1 /* $NetBSD: rump_lfs.c,v 1.8 2009/10/09 16:38:21 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2008 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/types.h> 29 #include <sys/mount.h> 30 31 #include <ufs/ufs/ufsmount.h> 32 33 #include <err.h> 34 #include <pthread.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <unistd.h> 38 39 #include <rump/rump.h> 40 #include <rump/p2k.h> 41 #include <rump/ukfs.h> 42 43 #include "mount_lfs.h" 44 45 static void * 46 cleaner(void *arg) 47 { 48 const char *the_argv[7]; 49 50 the_argv[0] = "megamaid"; 51 the_argv[1] = "-D"; /* don't fork() & detach */ 52 the_argv[2] = arg; 53 54 lfs_cleaner_main(3, __UNCONST(the_argv)); 55 56 return NULL; 57 } 58 59 int 60 main(int argc, char *argv[]) 61 { 62 struct ufs_args args; 63 char canon_dev[UKFS_PARTITION_MAXPATHLEN], canon_dir[MAXPATHLEN]; 64 char rawdev[MAXPATHLEN]; 65 struct p2k_mount *p2m; 66 pthread_t cleanerthread; 67 int mntflags, part; 68 int rv; 69 70 setprogname(argv[0]); 71 72 /* 73 * Load FFS and LFS already here. we need both and link set 74 * lossage does not allow them to be linked on the command line. 75 */ 76 ukfs_init(); 77 if (ukfs_modload("librumpfs_ffs.so") != 1) 78 err(1, "modload ffs"); 79 if (ukfs_modload("librumpfs_lfs.so") != 1) 80 err(1, "modload lfs"); 81 82 UKFS_PARTITION_ARGVPROBE(part); 83 if (part != UKFS_PARTITION_NONE) { 84 errx(1, "lfs does not currently support embedded partitions"); 85 } 86 mount_lfs_parseargs(argc, argv, &args, &mntflags, canon_dev, canon_dir); 87 88 /* 89 * XXX: this particular piece inspired by the cleaner code. 90 * obviously FIXXXME along with the cleaner. 91 */ 92 sprintf(rawdev, "/dev/r%s", canon_dev+5); 93 rump_etfs_register(rawdev, canon_dev, RUMP_ETFS_CHR); 94 95 /* 96 * We basically have two choices: 97 * 1) run the cleaner in another process and do rump ipc syscalls 98 * 2) run it off a thread in this process and do rump syscalls 99 * as function calls. 100 * 101 * opt for "2" for now 102 */ 103 #ifdef CLEANER_TESTING 104 ukfs_mount(MOUNT_LFS, canon_dev, canon_dir, mntflags, 105 &args, sizeof(args)); 106 cleaner(canon_dir); 107 #endif 108 109 p2m = p2k_setup_diskfs(MOUNT_LFS, canon_dev, part, canon_dir, mntflags, 110 &args, sizeof(args), 0); 111 if (!p2m) 112 err(1, "mount"); 113 114 #ifndef CLEANER_TESTING 115 if ((mntflags & MNT_RDONLY) == 0) { 116 if (pthread_create(&cleanerthread, NULL, 117 cleaner, canon_dir) == -1) 118 err(1, "cannot start cleaner"); 119 } 120 #endif 121 122 rv = p2k_mainloop(p2m); 123 if (rv == -1) 124 err(1, "fs service"); 125 126 return 0; 127 } 128