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Remove unnecessary references to slavery

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The horrible effects of human slavery continue to impact society.  The
casual use of the term "slave" in computer software is an unnecessary
reference to a painful human experience.

This commit removes all possible references to the term "slave".

Implementation notes:

The zpool.d/slaves script is renamed to dm-deps, which uses the same
terminology as `dmsetup deps`.

References to the `/sys/class/block/$dev/slaves` directory remain.  This
directory name is determined by the Linux kernel.  Although
`dmsetup deps` provides the same information, it unfortunately requires
elevated privileges, whereas the `/sys/...` directory is world-readable.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #10435
This commit is contained in:
Matthew Ahrens
2020-06-10 17:07:59 -07:00
committed by GitHub
parent feff3f69fc
commit f66434268c
8 changed files with 42 additions and 48 deletions
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tests/zfs-tests/include/blkdev.shlib
+11 -11
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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