1 /* $NetBSD: t_full.c,v 1.9 2017/01/13 21:30:40 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 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 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/stat.h> 30 #include <sys/statvfs.h> 31 32 #include <atf-c.h> 33 #include <fcntl.h> 34 #include <libgen.h> 35 #include <stdlib.h> 36 #include <unistd.h> 37 38 #include <rump/rump_syscalls.h> 39 #include <rump/rump.h> 40 41 #include "../common/h_fsmacros.h" 42 #include "h_macros.h" 43 44 /* 45 * Write this much over the image size. This is to force an NFS commit, 46 * since we might just stuff data into the cache and miss the problem. 47 */ 48 #define NFSBONUS (1<<16) 49 50 static void 51 fillfs(const atf_tc_t *tc, const char *mp) 52 { 53 char buf[8192]; 54 size_t written; 55 ssize_t n = 0; /* xxxgcc */ 56 size_t bonus; 57 int fd, i = 0; 58 59 if (FSTYPE_P2K_FFS(tc) || FSTYPE_PUFFS(tc) || FSTYPE_RUMPFS(tc)) { 60 atf_tc_skip("fs does not support explicit block allocation " 61 "(GOP_ALLOC)"); 62 } 63 64 bonus = 0; 65 if (FSTYPE_NFS(tc)) 66 bonus = NFSBONUS; 67 68 if (rump_sys_chdir(mp) == -1) 69 atf_tc_fail_errno("chdir mountpoint"); 70 fd = rump_sys_open("afile", O_CREAT | O_RDWR); 71 if (fd == -1) 72 atf_tc_fail_errno("create file"); 73 74 for (written = 0; written < FSTEST_IMGSIZE + bonus; written +=n) { 75 memset(buf, i++, sizeof(buf)); /* known garbage */ 76 n = rump_sys_write(fd, buf, sizeof(buf)); 77 if (n == -1) 78 break; 79 } 80 if (FSTYPE_ZFS(tc)) 81 atf_tc_expect_fail("PR kern/47656: Test known to be broken"); 82 if (n == -1) { 83 if (errno != ENOSPC) 84 atf_tc_fail_errno("write"); 85 } else { 86 atf_tc_fail("filled file system over size limit"); 87 } 88 89 rump_sys_close(fd); 90 rump_sys_chdir("/"); 91 } 92 93 ATF_TC_FSAPPLY(fillfs, "fills file system, expects ENOSPC"); 94 95 ATF_TP_ADD_TCS(tp) 96 { 97 98 ATF_TP_FSAPPLY(fillfs); 99 100 return atf_no_error(); 101 } 102