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#!/bin/bash
#
# Common support functions for testing scripts. If a .script-config
# files is available it will be sourced so in-tree kernel modules and
# utilities will be used. If no .script-config can be found then the
# installed kernel modules and utilities will be used.
SCRIPT_CONFIG=.script-config
if [ -f ../${SCRIPT_CONFIG} ]; then
. ../${SCRIPT_CONFIG}
else
MODULES=(zlib_deflate spl zavl znvpair zunicode zcommon zfs)
fi
PROG="<define PROG>"
VERBOSE=
VERBOSE_FLAG=
DUMP_LOG=
ERROR=
ZPOOLDIR=${ZPOOLDIR:-/usr/libexec/zfs/zpool-config}
ZDB=${ZDB:-/usr/sbin/zdb}
ZFS=${ZFS:-/usr/sbin/zfs}
ZINJECT=${ZINJECT:-/usr/sbin/zinject}
ZPOOL=${ZPOOL:-/usr/sbin/zpool}
ZTEST=${ZTEST:-/usr/sbin/ztest}
COMMON_SH=${COMMON_SH:-/usr/libexec/zfs/common.sh}
ZFS_SH=${ZFS_SH:-/usr/libexec/zfs/zfs.sh}
ZPOOL_CREATE_SH=${ZPOOL_CREATE_SH:-/usr/libexec/zfs/zpool-create.sh}
LDMOD=${LDMOD:-/sbin/modprobe}
LSMOD=${LSMOD:-/sbin/lsmod}
RMMOD=${RMMOD:-/sbin/rmmod}
INFOMOD=${INFOMOD:-/sbin/modinfo}
LOSETUP=${LOSETUP:-/sbin/losetup}
SYSCTL=${SYSCTL:-/sbin/sysctl}
die() {
echo -e "${PROG}: $1" >&2
exit 1
}
msg() {
if [ ${VERBOSE} ]; then
echo "$@"
fi
}
pass() {
echo "PASS"
}
fail() {
echo "FAIL ($1)"
exit $1
}
spl_dump_log() {
${SYSCTL} -w kernel.spl.debug.dump=1 &>/dev/null
local NAME=`dmesg | tail -n 1 | cut -f5 -d' '`
${SPLBUILD}/cmd/spl ${NAME} >${NAME}.log
echo
echo "Dumped debug log: ${NAME}.log"
tail -n1 ${NAME}.log
echo
return 0
}
check_modules() {
local LOADED_MODULES=()
local MISSING_MODULES=()
for MOD in ${MODULES[*]}; do
local NAME=`basename $MOD .ko`
if ${LSMOD} | egrep -q "^${NAME}"; then
LOADED_MODULES=(${NAME} ${LOADED_MODULES[*]})
fi
if [ ${INFOMOD} ${MOD} 2>/dev/null ]; then
MISSING_MODULES=("\t${MOD}\n" ${MISSING_MODULES[*]})
fi
done
if [ ${#LOADED_MODULES[*]} -gt 0 ]; then
ERROR="Unload these modules with '${PROG} -u':\n"
ERROR="${ERROR}${LOADED_MODULES[*]}"
return 1
fi
if [ ${#MISSING_MODULES[*]} -gt 0 ]; then
ERROR="The following modules can not be found,"
ERROR="${ERROR} ensure your source trees are built:\n"
ERROR="${ERROR}${MISSING_MODULES[*]}"
return 1
fi
return 0
}
load_module() {
local NAME=`basename $1 .ko`
if [ ${VERBOSE} ]; then
echo "Loading ${NAME} ($@)"
fi
${LDMOD} $* || ERROR="Failed to load $1" return 1
return 0
}
load_modules() {
mkdir -p /etc/zfs
for MOD in ${MODULES[*]}; do
local NAME=`basename ${MOD} .ko`
local VALUE=
for OPT in "$@"; do
OPT_NAME=`echo ${OPT} | cut -f1 -d'='`
if [ ${NAME} = "${OPT_NAME}" ]; then
VALUE=`echo ${OPT} | cut -f2- -d'='`
fi
done
load_module ${MOD} ${VALUE} || return 1
done
if [ ${VERBOSE} ]; then
echo "Successfully loaded ZFS module stack"
fi
return 0
}
unload_module() {
local NAME=`basename $1 .ko`
if [ ${VERBOSE} ]; then
echo "Unloading ${NAME} ($@)"
fi
${RMMOD} ${NAME} || ERROR="Failed to unload ${NAME}" return 1
return 0
}
unload_modules() {
local MODULES_REVERSE=( $(echo ${MODULES[@]} |
awk '{for (i=NF;i>=1;i--) printf $i" "} END{print ""}') )
for MOD in ${MODULES_REVERSE[*]}; do
local NAME=`basename ${MOD} .ko`
if ${LSMOD} | egrep -q "^${NAME}"; then
if [ "${DUMP_LOG}" -a ${NAME} = "spl" ]; then
spl_dump_log
fi
unload_module ${MOD} || return 1
fi
done
if [ ${VERBOSE} ]; then
echo "Successfully unloaded ZFS module stack"
fi
return 0
}
unused_loop_device() {
for DEVICE in `ls -1 /dev/loop*`; do
${LOSETUP} ${DEVICE} &>/dev/null
if [ $? -ne 0 ]; then
echo ${DEVICE}
return
fi
done
die "Error: Unable to find unused loopback device"
}
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