zfs/scripts/unload-zfs.sh

54 lines
1.3 KiB
Bash
Executable File

#!/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
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 ${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