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scripts: zfs.sh: make usage make sense

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We don't pass the arguments as arguments

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13274
This commit is contained in:
наб 2022-04-04 12:55:41 +02:00 committed by Brian Behlendorf
parent f6f505c4d6
commit d18da59d30
1 changed files with 27 additions and 31 deletions
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58
scripts/zfs.sh
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@ -3,7 +3,7 @@
# A simple script to load/unload the ZFS module stack.
#
BASE_DIR=$(dirname "$0")
BASE_DIR=${0%/*}
SCRIPT_COMMON=common.sh
if [ -f "${BASE_DIR}/${SCRIPT_COMMON}" ]; then
. "${BASE_DIR}/${SCRIPT_COMMON}"
@ -11,7 +11,6 @@ else
echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
fi
PROG=zfs.sh
VERBOSE="no"
UNLOAD="no"
LOAD="yes"
@ -28,28 +27,25 @@ KMOD_FREEBSD=${KMOD_FREEBSD:-openzfs}
usage() {
cat << EOF
cat << EOF
USAGE:
$0 [hvudS] [module-options]
$0 [hvudS]
DESCRIPTION:
Load/unload the ZFS module stack.
OPTIONS:
-h Show this message
-v Verbose
-h Show this message
-v Verbose
-r Reload modules
-u Unload modules
-S Enable kernel stack tracer
-u Unload modules
-S Enable kernel stack tracer
EOF
exit 1
}
while getopts 'hvruS' OPTION; do
case $OPTION in
h)
usage
exit 1
;;
v)
VERBOSE="yes"
;;
@ -64,14 +60,13 @@ while getopts 'hvruS' OPTION; do
S)
STACK_TRACER="yes"
;;
?)
usage
exit
;;
*)
usage
;;
esac
done
shift $(( OPTIND - 1 ))
[ $# -eq 0 ] || usage
kill_zed() {
if [ -f "$ZED_PIDFILE" ]; then
@ -98,7 +93,7 @@ check_modules_linux() {
done
if [ -n "$LOADED_MODULES" ]; then
printf "Unload the kernel modules by running '%s -u':\n" "$PROG"
printf "Unload the kernel modules by running '%s -u':\n" "$0"
printf "%b" "$LOADED_MODULES"
exit 1
fi
@ -115,10 +110,10 @@ check_modules_linux() {
load_module_linux() {
KMOD=$1
FILE=$(modinfo "$KMOD" | awk '/^filename:/ {print $2}')
VERSION=$(modinfo "$KMOD" | awk '/^version:/ {print $2}')
if [ "$VERBOSE" = "yes" ]; then
FILE=$(modinfo "$KMOD" | awk '/^filename:/ {print $2}')
VERSION=$(modinfo "$KMOD" | awk '/^version:/ {print $2}')
echo "Loading: $FILE ($VERSION)"
fi
@ -167,11 +162,12 @@ unload_module_linux() {
NAME="${KMOD##*/}"
NAME="${NAME%.ko}"
FILE=$(modinfo "$KMOD" | awk '/^filename:/ {print $2}')
VERSION=$(modinfo "$KMOD" | awk '/^version:/ {print $2}')
if [ "$VERBOSE" = "yes" ]; then
echo "Unloading: $KMOD ($VERSION)"
FILE=$(modinfo "$KMOD" | awk '/^filename:/ {print $2}')
VERSION=$(modinfo "$KMOD" | awk '/^version:/ {print $2}')
echo "Unloading: $FILE ($VERSION)"
fi
rmmod "$NAME" || echo "Failed to unload $NAME"
@ -255,15 +251,15 @@ if [ "$UNLOAD" = "yes" ]; then
umount -t zfs -a
case $UNAME in
FreeBSD)
unload_modules_freebsd
unload_modules_freebsd
;;
Linux)
stack_check_linux
unload_modules_linux
stack_check_linux
unload_modules_linux
;;
*)
echo "unknown system: $UNAME" >&2
exit 1
echo "unknown system: $UNAME" >&2
exit 1
;;
esac
fi
@ -275,13 +271,13 @@ if [ "$LOAD" = "yes" ]; then
Linux)
stack_clear_linux
check_modules_linux
load_modules_linux "$@"
load_modules_linux
udevadm trigger
udevadm settle
;;
*)
echo "unknown system: $UNAME" >&2
exit 1
echo "unknown system: $UNAME" >&2
exit 1
;;
esac
fi