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Before it is safe to unload the zfs module stack all mounted zfs filesystems must be unmounted. If they are not unmounted, there will be references held on the modules and the stack cannot be removed. To handle this have 'zfs.sh -u' which is used by all of the test scripts umount all zfs filesystem before attempting to unload the module stack.
77 lines
1.1 KiB
Bash
Executable File
77 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# A simple script to simply the loading/unloading the ZFS module stack.
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basedir="$(dirname $0)"
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SCRIPT_COMMON=common.sh
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if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
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. "${basedir}/${SCRIPT_COMMON}"
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else
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echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
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fi
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PROG=zfs.sh
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UNLOAD=
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usage() {
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cat << EOF
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USAGE:
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$0 [hvud] [module-options]
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DESCRIPTION:
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Load/unload the ZFS module stack.
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OPTIONS:
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-h Show this message
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-v Verbose
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-u Unload modules
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-d Save debug log on unload
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MODULE-OPTIONS:
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Must be of the from module="options", for example:
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$0 zfs="zfs_prefetch_disable=1"
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$0 zfs="zfs_prefetch_disable=1 zfs_mdcomp_disable=1"
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$0 spl="spl_debug_mask=0"
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EOF
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}
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while getopts 'hvud' OPTION; do
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case $OPTION in
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h)
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usage
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exit 1
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;;
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v)
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VERBOSE=1
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;;
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u)
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UNLOAD=1
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;;
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d)
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DUMP_LOG=1
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;;
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?)
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usage
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exit
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;;
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esac
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done
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if [ $(id -u) != 0 ]; then
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die "Must run as root"
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fi
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if [ ${UNLOAD} ]; then
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umount -t zfs -a
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unload_modules
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else
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check_modules || die "${ERROR}"
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load_modules "$@"
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wait_udev /dev/zfs 30
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fi
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exit 0
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