scripts: zfs.sh: unload zfs with dependencies
Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #13274
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@ -18,6 +18,7 @@ STACK_TRACER="no"
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ZED_PIDFILE=${ZED_PIDFILE:-/var/run/zed.pid}
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LDMOD=${LDMOD:-/sbin/modprobe}
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DELMOD=${DELMOD:-/sbin/modprobe -r}
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KMOD_ZLIB_DEFLATE=${KMOD_ZLIB_DEFLATE:-zlib_deflate}
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KMOD_ZLIB_INFLATE=${KMOD_ZLIB_INFLATE:-zlib_inflate}
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@ -110,10 +111,11 @@ check_modules_linux() {
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load_module_linux() {
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KMOD=$1
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if [ "$VERBOSE" = "yes" ]; then
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FILE=$(modinfo "$KMOD" | awk '/^filename:/ {print $2}')
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VERSION=$(modinfo "$KMOD" | awk '/^version:/ {print $2}')
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FILE=$(modinfo "$KMOD" 2>&1 | awk 'NR == 1 && /zlib/ && /not found/ {print "(builtin)"; exit} /^filename:/ {print $2}')
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[ "$FILE" = "(builtin)" ] && return
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if [ "$VERBOSE" = "yes" ]; then
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VERSION=$(modinfo "$KMOD" | awk '/^version:/ {print $2}')
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echo "Loading: $FILE ($VERSION)"
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fi
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@ -138,15 +140,7 @@ load_modules_freebsd() {
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load_modules_linux() {
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mkdir -p /etc/zfs
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if modinfo "$KMOD_ZLIB_DEFLATE" >/dev/null 2>&1; then
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modprobe "$KMOD_ZLIB_DEFLATE" >/dev/null 2>&1
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fi
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if modinfo "$KMOD_ZLIB_INFLATE">/dev/null 2>&1; then
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modprobe "$KMOD_ZLIB_INFLATE" >/dev/null 2>&1
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fi
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for KMOD in $KMOD_SPL $KMOD_ZFS; do
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for KMOD in "$KMOD_ZLIB_DEFLATE" "$KMOD_ZLIB_INFLATE" $KMOD_SPL $KMOD_ZFS; do
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load_module_linux "$KMOD" || return 1
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done
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@ -157,24 +151,6 @@ load_modules_linux() {
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return 0
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}
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unload_module_linux() {
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KMOD=$1
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NAME="${KMOD##*/}"
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NAME="${NAME%.ko}"
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if [ "$VERBOSE" = "yes" ]; then
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FILE=$(modinfo "$KMOD" | awk '/^filename:/ {print $2}')
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VERSION=$(modinfo "$KMOD" | awk '/^version:/ {print $2}')
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echo "Unloading: $FILE ($VERSION)"
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fi
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rmmod "$NAME" || echo "Failed to unload $NAME"
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return 0
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}
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unload_modules_freebsd() {
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kldunload "$KMOD_FREEBSD" || echo "Failed to unload $KMOD_FREEBSD"
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@ -186,32 +162,13 @@ unload_modules_freebsd() {
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}
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unload_modules_linux() {
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for KMOD in $KMOD_ZFS $KMOD_SPL; do
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NAME="${KMOD##*/}"
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NAME="${NAME%.ko}"
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USE_COUNT=$(lsmod | awk '/^'"${NAME}"'/ {print $3}')
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if [ "$USE_COUNT" = "0" ] ; then
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unload_module_linux "$KMOD" || return 1
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elif [ "$USE_COUNT" != "" ] ; then
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echo "Module ${NAME} is still in use!"
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return 1
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fi
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done
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if modinfo "$KMOD_ZLIB_DEFLATE" >/dev/null 2>&1; then
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modprobe -r "$KMOD_ZLIB_DEFLATE" >/dev/null 2>&1
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fi
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if modinfo "$KMOD_ZLIB_INFLATE">/dev/null 2>&1; then
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modprobe -r "$KMOD_ZLIB_INFLATE" >/dev/null 2>&1
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fi
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NAME="${KMOD_ZFS##*/}"
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NAME="${NAME%.ko}"
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$DELMOD "$NAME" || return
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if [ "$VERBOSE" = "yes" ]; then
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echo "Successfully unloaded ZFS module stack"
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fi
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return 0
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}
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stack_clear_linux() {
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