From: mwilck@arcor.de <mwilck@arcor.de>
Date: Mon, 5 Aug 2013 20:37:47 +0000 (+0200)
Subject: tests/env-ddf-template: some helper functions
X-Git-Tag: mdadm-3.3~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee7d0c09cdaf27cc3cc1a479be022b108c9c2771;p=thirdparty%2Fmdadm.git

tests/env-ddf-template: some helper functions

helper functions to determine the list of devices in an array,
etc.

Signed-off-by: Martin Wilck <mwilck@arcor.de>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/tests/env-ddf-template b/tests/env-ddf-template
index fa7af1f5..1c1ca124 100644
--- a/tests/env-ddf-template
+++ b/tests/env-ddf-template
@@ -1,3 +1,24 @@
+get_sysdir() {
+    local mddev=$1
+    [ -L $mddev ] && mddev=$(readlink -f $mddev)
+    echo "/sys/class/block/$(basename $mddev)/md"
+}
+
+get_raiddisks() {
+    sysdir=$(get_sysdir "$1")
+    for i in $(seq 0 $(($(cat $sysdir/raid_disks)-1))); do
+	if [ -d $sysdir/rd$i ]; then
+	    readlink -f /dev/block/$(cat $sysdir/rd$i/block/dev)
+	else
+	    echo MISSING
+        fi
+    done
+}
+
+get_present() {
+    get_raiddisks $1 | grep -vc MISSING
+}
+
 ddf_check() {
     udevadm settle
     case $1 in