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|
#!/bin/bash
#
# A simple script to simply the loading/unloading the ZFS module stack.
basedir="$(dirname $0)"
SCRIPT_COMMON=common.sh
if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
. "${basedir}/${SCRIPT_COMMON}"
else
echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
fi
PROG=zfs.sh
UNLOAD=
usage() {
cat << EOF
USAGE:
$0 [hvud] [module-options]
DESCRIPTION:
Load/unload the ZFS module stack.
OPTIONS:
-h Show this message
-v Verbose
-u Unload modules
-d Save debug log on unload
MODULE-OPTIONS:
Must be of the from module="options", for example:
$0 zfs="zfs_prefetch_disable=1"
$0 zfs="zfs_prefetch_disable=1 zfs_mdcomp_disable=1"
$0 spl="spl_debug_mask=0"
EOF
}
while getopts 'hvud' OPTION; do
case $OPTION in
h)
usage
exit 1
;;
v)
VERBOSE=1
;;
u)
UNLOAD=1
;;
d)
DUMP_LOG=1
;;
?)
usage
exit
;;
esac
done
if [ $(id -u) != 0 ]; then
die "Must run as root"
fi
if [ ${UNLOAD} ]; then
kill_zed
umount -t zfs -a
stack_check
unload_modules
else
stack_clear
check_modules || die "${ERROR}"
load_modules "$@" || die "Failed to load modules"
wait_udev /dev/zfs 30 || die "'/dev/zfs' was not created"
fi
exit 0
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