1# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 2# 3# Copyright (c) 2020 Netflix, Inc. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# $FreeBSD$ 27 28# 29# These tests exercise a few basic cases for the sendfile() syscall: 30# - successful operation. 31# - sendfile() starts an async disk read but that async I/O fails. 32# - sendfile() fails to read an indirect block and thus cannot 33# even start an async I/O. 34# 35# In all cases we request some read ahead in addition to 36# the data to be sent to the socket. 37# 38 39MD_DEVS="md.devs" 40MNT=/mnt 41FILE=$MNT/file 42HELPER="$(atf_get_srcdir)/sendfile_helper" 43BSIZE=4096 44 45atf_test_case io_success cleanup 46io_success_head() 47{ 48 atf_set "descr" "sendfile where all disk I/O succeeds" 49 atf_set "require.user" "root" 50 atf_set "timeout" 15 51} 52io_success_body() 53{ 54 md=$(alloc_md) 55 common_body_setup $md 56 57 atf_check $HELPER $FILE 0 0x10000 0x10000 58} 59io_success_cleanup() 60{ 61 common_cleanup 62} 63 64atf_test_case io_fail_sync cleanup 65io_fail_sync_head() 66{ 67 atf_set "descr" "sendfile where we fail to start async I/O" 68 atf_set "require.user" "root" 69 atf_set "timeout" 15 70} 71io_fail_sync_body() 72{ 73 md=$(alloc_md) 74 common_body_setup $md 75 76 atf_check gnop configure -r 100 -e 5 ${md}.nop 77 atf_check -s exit:3 -e ignore $HELPER $FILE $((12 * $BSIZE)) $BSIZE 0x10000 78} 79io_fail_sync_cleanup() 80{ 81 common_cleanup 82} 83 84atf_test_case io_fail_async cleanup 85io_fail_async_head() 86{ 87 atf_set "descr" "sendfile where an async I/O fails" 88 atf_set "require.user" "root" 89 atf_set "timeout" 15 90} 91io_fail_async_body() 92{ 93 md=$(alloc_md) 94 common_body_setup $md 95 96 atf_check gnop configure -r 100 -e 5 ${md}.nop 97 atf_check -s exit:2 -e ignore $HELPER $FILE 0 $BSIZE 0x10000 98} 99io_fail_async_cleanup() 100{ 101 common_cleanup 102} 103 104 105atf_init_test_cases() 106{ 107 atf_add_test_case io_success 108 atf_add_test_case io_fail_sync 109 atf_add_test_case io_fail_async 110} 111 112alloc_md() 113{ 114 local md 115 116 md=$(mdconfig -a -t swap -s 256M) || atf_fail "mdconfig -a failed" 117 echo ${md} >> $MD_DEVS 118 echo ${md} 119} 120 121common_body_setup() 122{ 123 us=$1 124 125 atf_check -o ignore -e ignore newfs -b $BSIZE -U -j /dev/${us} 126 atf_check mount /dev/${us} $MNT 127 atf_check -e ignore dd if=/dev/zero of=$FILE bs=1m count=1 128 atf_check umount /mnt 129 130 load_gnop 131 atf_check gnop create /dev/${us} 132 atf_check mount /dev/${us}.nop $MNT 133 atf_check -o ignore ls -l $MNT/file 134} 135 136common_cleanup() 137{ 138 umount -f $MNT 139 if [ -f "$MD_DEVS" ]; then 140 while read test_md; do 141 gnop destroy -f ${test_md}.nop 2>/dev/null 142 mdconfig -d -u $test_md 2>/dev/null 143 done < $MD_DEVS 144 rm $MD_DEVS 145 fi 146 147 true 148} 149 150load_gnop() 151{ 152 if ! kldstat -q -m g_nop; then 153 geom nop load || atf_skip "could not load module for geom nop" 154 fi 155} 156