mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2025-10-26 18:05:04 +03:00
c1d3be19d7
The only exception is `cmd/vdev_id/vdev_id` which might be a subject of refactoring (see #12084) Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Signed-off-by: szubersk <szuberskidamian@gmail.com> Closes #12912
29 lines
682 B
Bash
Executable File
29 lines
682 B
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Show device mapper dependent / underlying devices. This is useful for
|
|
# looking up the /dev/sd* devices associated with a dm or multipath device.
|
|
#
|
|
|
|
if [ "$1" = "-h" ] ; then
|
|
echo "Show device mapper dependent (underlying) devices."
|
|
exit
|
|
fi
|
|
|
|
# shellcheck disable=SC2154
|
|
dev="$VDEV_PATH"
|
|
|
|
# If the VDEV path is a symlink, resolve it to a real device
|
|
if [ -L "$dev" ] ; then
|
|
dev=$(readlink "$dev")
|
|
fi
|
|
|
|
dev="${dev##*/}"
|
|
val=""
|
|
if [ -d "/sys/class/block/$dev/slaves" ] ; then
|
|
# ls -C: output in columns, no newlines, two spaces (change to one)
|
|
# shellcheck disable=SC2012
|
|
val=$(ls -C "/sys/class/block/$dev/slaves" | tr -s '[:space:]' ' ')
|
|
fi
|
|
|
|
echo "dm-deps=$val"
|