1 /* 2 * Copyright (c) 2020 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@dragonflybsd.org> 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 35 #include "hammer2.h" 36 37 int 38 cmd_growfs(const char *sel_path, int ac, const char **av) 39 { 40 int fd; 41 int i; 42 int ecode = 0; 43 44 /* 45 * Use sel_path if no arguments, else used passed arguments 46 */ 47 for (i = 0; i <= ac; ++i) { 48 struct hammer2_ioc_growfs growfs; 49 50 if (i < ac) 51 sel_path = av[i]; 52 else if (i == ac && ac != 0) 53 continue; 54 55 fd = hammer2_ioctl_handle(sel_path); 56 if (fd < 0) { 57 ecode = 1; 58 continue; 59 } 60 bzero(&growfs, sizeof(growfs)); 61 if (ioctl(fd, HAMMER2IOC_GROWFS, &growfs) < 0) { 62 fprintf(stderr, "grow %s failed: %s\n", 63 sel_path, strerror(errno)); 64 ecode = 1; 65 } else if (growfs.modified) { 66 printf("%s grown to %ld\n", 67 sel_path, (intmax_t)growfs.size); 68 } else { 69 printf("%s no size change - %ld\n", 70 sel_path, (intmax_t)growfs.size); 71 } 72 close(fd); 73 } 74 return ecode; 75 } 76