1 files changed, 55 insertions, 0 deletions
diff --git a/scripts/unload-zfs.sh b/scripts/unload-zfs.sh
new file mode 100755
index 000000000..12e987bd3
--- /dev/null
+++ b/scripts/unload-zfs.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+prog=unload-zfs.sh
+. ../.script-config
+
+spl_module=${SPLBUILD}/modules/spl/spl.ko
+zlib_module=/lib/modules/${KERNELSRCVER}/kernel/lib/zlib_deflate/zlib_deflate.ko
+zavl_module=${ZFSBUILD}/lib/libavl/zavl.ko
+znvpair_module=${ZFSBUILD}/lib/libnvpair/znvpair.ko
+zport_module=${ZFSBUILD}/lib/libport/zport.ko
+zcommon_module=${ZFSBUILD}/lib/libzcommon/zcommon.ko
+zpool_module=${ZFSBUILD}/lib/libzpool/zpool.ko
+zctl_module=${ZFSBUILD}/lib/libdmu-ctl/zctl.ko
+zpios_module=${ZFSBUILD}/lib/libzpios/zpios.ko
+
+die() {
+	echo "${prog}: $1" >&2
+	exit 1
+}
+
+unload_module() {
+	echo "Unloading $1"
+	/sbin/rmmod $1 || die "Failed to unload $1"
+}
+
+if [ $(id -u) != 0 ]; then
+	die "Must run as root"
+fi
+
+unload_module ${zpios_module}
+unload_module ${zctl_module}
+unload_module ${zpool_module}
+unload_module ${zcommon_module}
+unload_module ${zport_module}
+unload_module ${znvpair_module}
+unload_module ${zavl_module}
+unload_module ${zlib_module}
+
+# Set DUMP=1 to generate debug logs on unload
+if [ -n "${DUMP}" ]; then
+	sysctl -w kernel.spl.debug.dump=1
+	# This is racy, I don't like it, but for a helper script it will do.
+	SPL_LOG=`dmesg | tail -n 1 | cut -f5 -d' '`
+	${SPLBUILD}/cmd/spl ${SPL_LOG} >${SPL_LOG}.log
+	echo
+	echo "Dumped debug log: ${SPL_LOG}.log"
+	tail -n1 ${SPL_LOG}.log
+	echo
+fi
+
+unload_module ${spl_module}
+
+echo "Successfully unloaded ZFS module stack"
+
+exit 0