L'équipe du projet OpenZFS retire « les références inutiles à l'esclavage » de sa base de code en mettant de côté le terme « slave »

Qui fait remonter une expérience humaine douloureuse au souvenir

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#!/bin/sh
#
# Show device mapper slave devices.  This is useful for looking up the
# /dev/sd* devices associated with a dm or multipath device.  For example:
#
# $ ls /sys/block/dm-113/slaves/
# sddt  sdjw
# Show device mapper dependent / underlying devices.  This is useful for
# looking up the /dev/sd* devices associated with a dm or multipath device. 
#

if [ "$1" = "-h" ] ; then
	echo "Show device mapper slave devices."
	echo "Show device mapper dependent (underlying) devices."
	exit
fi

@@ -29,4 +26,4 @@ if [ -d "/sys/class/block/$dev/slaves" ] ; then
	val=$(echo "$val" | sed -r 's/[[:blank:]]+/ /g')
fi

echo "slaves=$val"
echo "dm-deps=$val"

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@@ -74,10 +74,10 @@ check() {
    local blockdevs
    local fstype
    local majmin
    local _slavedev
    local _slavedevname
    local _slavedevtype
    local _slavemajmin
    local _depdev
    local _depdevname
    local _depdevtype
    local _depmajmin
    local _dev

if [[ $hostonly ]]; then
@@ -108,15 +108,15 @@ if [[ $hostonly ]]; then
            host_fs_types["$dev"]="$fstype"
            majmin=$(get_maj_min "$dev")
            if [[ -d /sys/dev/block/$majmin/slaves ]] ; then
                for _slavedev in /sys/dev/block/$majmin/slaves/*; do
                    [[ -f $_slavedev/dev ]] || continue
                    _slavedev=/dev/$(basename "$_slavedev")
                    _slavedevname=$(udevadm info --query=property --name="$_slavedev" | grep "^DEVNAME=" | sed 's|^DEVNAME=||')
                    _slavedevtype=$(get_devtype "$_slavedevname")
                    _slavemajmin=$(get_maj_min "$_slavedevname")
                    dinfo "zfsexpandknowledge: slave block device backing ZFS dataset $mp: $_slavedevname"
                    array_contains "$_slavedevname" "${host_devs[@]}" || host_devs+=("$_slavedevname")
                    host_fs_types["$_slavedevname"]="$_slavedevtype"
                for _depdev in /sys/dev/block/$majmin/slaves/*; do
                    [[ -f $_depdev/dev ]] || continue
                    _depdev=/dev/$(basename "$_depdev")
                    _depdevname=$(udevadm info --query=property --name="$_depdev" | grep "^DEVNAME=" | sed 's|^DEVNAME=||')
                    _depdevtype=$(get_devtype "$_depdevname")
                    _depmajmin=$(get_maj_min "$_depdevname")
                    dinfo "zfsexpandknowledge: underlying block device backing ZFS dataset $mp: $_depdevname"
                    array_contains "$_depdevname" "${host_devs[@]}" || host_devs+=("$_depdevname")
                    host_fs_types["$_depdevname"]="$_depdevtype"
                done
            fi
        done

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@@ -336,25 +336,25 @@ function on_off_disk # disk state{online,offline} host
		if [[ $state == "offline" ]] && ( is_mpath_device $disk ); then
			dm_name="$(readlink $DEV_DSKDIR/$disk \
			    | nawk -F / '{print $2}')"
			slave="$(ls /sys/block/${dm_name}/slaves \
			dep="$(ls /sys/block/${dm_name}/slaves \
			    | nawk '{print $1}')"
			while [[ -n $slave ]]; do
			while [[ -n $dep ]]; do
				#check if disk is online
				lsscsi | egrep $slave > /dev/null
				lsscsi | egrep $dep > /dev/null
				if (($? == 0)); then
					slave_dir="/sys/block/${dm_name}"
					slave_dir+="/slaves/${slave}/device"
					ss="${slave_dir}/state"
					sd="${slave_dir}/delete"
					dep_dir="/sys/block/${dm_name}"
					dep_dir+="/slaves/${dep}/device"
					ss="${dep_dir}/state"
					sd="${dep_dir}/delete"
					log_must eval "echo 'offline' > ${ss}"
					log_must eval "echo '1' > ${sd}"
					lsscsi | egrep $slave > /dev/null
					lsscsi | egrep $dep > /dev/null
						if (($? == 0)); then
							log_fail "Offlining" \
							    "$disk failed"
						fi
				fi
				slave="$(ls /sys/block/$dm_name/slaves \
				dep="$(ls /sys/block/$dm_name/slaves \
				    2>/dev/null | nawk '{print $1}')"
			done
		elif [[ $state == "offline" ]] && ( is_real_device $disk ); then
@@ -380,9 +380,9 @@ function on_off_disk # disk state{online,offline} host
			if is_mpath_device $disk; then
				dm_name="$(readlink $DEV_DSKDIR/$disk \
				    | nawk -F / '{print $2}')"
				slave="$(ls /sys/block/$dm_name/slaves \
				dep="$(ls /sys/block/$dm_name/slaves \
				    | nawk '{print $1}')"
				lsscsi | egrep $slave > /dev/null
				lsscsi | egrep $dep > /dev/null
				if (($? != 0)); then
					log_fail "Onlining $disk failed"
				fi