1 /* 2 * Copyright (c) 2008 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sbin/hammer/cmd_version.c,v 1.2 2008/11/13 02:23:53 dillon Exp $ 35 */ 36 /* 37 * Get and set the HAMMER filesystem version. 38 */ 39 40 #include "hammer.h" 41 42 /* 43 * version <filesystem> 44 */ 45 void 46 hammer_cmd_get_version(char **av, int ac) 47 { 48 struct hammer_ioc_version version; 49 char wip[16]; 50 int fd; 51 52 if (ac != 1) { 53 errx(1, "hammer version - expected a single <fs> path arg"); 54 /* not reached */ 55 } 56 fd = open(av[0], O_RDONLY); 57 if (fd < 0) { 58 err(1, "hammer version: unable to access %s", av[0]); 59 /* not reached */ 60 } 61 62 /* 63 * version.cur_version must be set to 0 to retrieve current version 64 * info. 65 */ 66 bzero(&version, sizeof(version)); 67 if (ioctl(fd, HAMMERIOC_GET_VERSION, &version) < 0) { 68 err(1, "hammer version ioctl"); 69 /* not reached */ 70 } 71 HammerVersion = version.cur_version; 72 73 snprintf(wip, 16, "%d", version.wip_version); 74 printf("min=%d wip=%s max=%d current=%d description=\"%s\"\n", 75 version.min_version, 76 (version.wip_version > version.max_version) ? "none" : wip, 77 version.max_version, 78 version.cur_version, 79 version.description 80 ); 81 82 /* 83 * Loop over available versions to display description. 84 */ 85 if (QuietOpt == 0) { 86 version.cur_version = 1; 87 printf("available versions:\n"); 88 while (ioctl(fd, HAMMERIOC_GET_VERSION, &version) == 0) { 89 printf(" %d\t%s\t%s\n", 90 version.cur_version, 91 (version.cur_version < version.wip_version ? 92 "NORM" : "WIP "), 93 version.description); 94 ++version.cur_version; 95 } 96 } 97 close(fd); 98 } 99 100 /* 101 * version-upgrade <filesystem> <version> [force] 102 */ 103 void 104 hammer_cmd_set_version(char **av, int ac) 105 { 106 struct hammer_ioc_version version; 107 int fd; 108 int overs; 109 int nvers; 110 111 if (ac < 2 || ac > 3 || (ac == 3 && strcmp(av[2], "force") != 0)) { 112 errx(1, "hammer version-upgrade: expected <fs> vers# [force]"); 113 /* not reached */ 114 } 115 116 fd = open(av[0], O_RDONLY); 117 if (fd < 0) { 118 err(1, "hammer version-upgrade: unable to access %s", av[0]); 119 /* not reached */ 120 } 121 122 bzero(&version, sizeof(version)); 123 if (ioctl(fd, HAMMERIOC_GET_VERSION, &version) < 0) { 124 err(1, "hammer ioctl"); 125 /* not reached */ 126 } 127 HammerVersion = version.cur_version; 128 overs = version.cur_version; 129 130 version.cur_version = strtol(av[1], NULL, 0); 131 nvers = version.cur_version; 132 133 if (ioctl(fd, HAMMERIOC_GET_VERSION, &version) < 0) { 134 err(1, "hammer ioctl"); 135 /* not reached */ 136 } 137 HammerVersion = version.cur_version; 138 if (version.cur_version >= version.wip_version && ac != 3) { 139 errx(1, "The requested version is a work-in-progress" 140 " and requires the 'force' directive"); 141 /* not reached */ 142 } 143 144 if (ioctl(fd, HAMMERIOC_SET_VERSION, &version) < 0) { 145 err(1, "hammer version-upgrade ioctl"); 146 /* not reached */ 147 } 148 if (version.head.error) { 149 errx(1, "hammer version-upgrade ioctl"); 150 /* not reached */ 151 } 152 153 printf("hammer version-upgrade: succeeded\n"); 154 if (overs < 3 && nvers >= 3) { 155 printf("NOTE! Please run 'hammer cleanup' to convert the\n" 156 "<pfs>/snapshots directories to the new meta-data\n" 157 "format. Once converted configuration data will\n" 158 "no longer resides in <pfs>/snapshots and you can\n" 159 "even rm -rf it entirely if you want.\n"); 160 } 161 162 close(fd); 163 } 164 165