summaryrefslogtreecommitdiffstats
path: root/scripts/zfs.sh
blob: 4a707fabf34019a4a49c04086d85d5a1f728c93e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
#!/bin/bash
#
# A simple script to simply the loading/unloading the ZFS module stack.

basedir="$(dirname $0)"

SCRIPT_COMMON=common.sh
if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
. "${basedir}/${SCRIPT_COMMON}"
else
echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
fi

PROG=zfs.sh
UNLOAD=

usage() {
cat << EOF
USAGE:
$0 [hvud] [module-options]

DESCRIPTION:
	Load/unload the ZFS module stack.

OPTIONS:
	-h      Show this message
	-v      Verbose
	-u      Unload modules
	-d      Save debug log on unload

MODULE-OPTIONS:
	Must be of the from module="options", for example:

$0 zfs="zfs_prefetch_disable=1"
$0 zfs="zfs_prefetch_disable=1 zfs_mdcomp_disable=1"
$0 spl="spl_debug_mask=0"

EOF
}

while getopts 'hvud' OPTION; do
	case $OPTION in
	h)
		usage
		exit 1
		;;
	v)
		VERBOSE=1
		;;
	u)
		UNLOAD=1
		;;
	d)
		DUMP_LOG=1
		;;
	?)
		usage
		exit
		;;
	esac
done

if [ $(id -u) != 0 ]; then
	die "Must run as root"
fi

if [ ${UNLOAD} ]; then
	umount -t zfs -a
	unload_modules
else
	check_modules || die "${ERROR}"
	load_modules "$@"
	wait_udev /dev/zfs 30
fi

exit 0