Give DASD devices some time to enter the online or unformatted state
before calling udevadm settle. Max duration of loop is suggestion from
IBM.
---
loader/linuxrc.s390 | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/loader/linuxrc.s390 b/loader/linuxrc.s390
index a3ee665..7b09ea4 100644
--- a/loader/linuxrc.s390
+++ b/loader/linuxrc.s390
@@ -129,6 +129,25 @@ function sysecho () {
[ -f "$file" ] && echo $* > $file
}
+function dasd_settle() {
+ dasd=/sys/bus/ccw/devices/$1
+ if [ ! -d "$dasd" ]; then
+ return 0
+ fi
+ local i=1
+ while [ $i -le 30 ] ; do
+ status="$(< /sys/bus/ccw/devices/$dasd/status 2>/dev/null)"
+ case $status in
+ online|unformatted)
+ return 1 ;;
+ *)
+ sleep 0.1
+ i=$((i+1)) ;;
+ esac
+ done
+ return 0
+}
+
function startinetd()
{
echo
@@ -189,6 +208,10 @@ function readcmsfile() # $1=dasdport $2=filename
echo $"DASD $dev could not be set online"
return 1
fi
+ if ! dasd_settle $dev ; then
+ echo $"Could not access DASD $dev in time"
+ return 1
+ fi
udevadm settle
if ! cmsfscat -d /dev/dasda -a $2 > /tmp/$2; then
echo $"Could not read conf file $2 on CMS DASD $1."
@@ -197,6 +220,10 @@ function readcmsfile() # $1=dasdport $2=filename
echo $"DASD $dev could not be set offline again"
return 1
fi
+ if ! dasd_settle $dev ; then
+ echo $"Could not access DASD $dev in time"
+ return 1
+ fi
udevadm settle
# consequences of no more module unload: loader can no longer
# use DASD module option to online DASDs and set other DASD parameters!
--
1.6.6
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