From: Ian Campbell <ian.campbell@citrix.com>
Date: Wed, 20 Jan 2016 15:06:21 +0000 (+0000)
Subject: Debian: erase-other-disks: rescan partition tables after erasing whole disk
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=d3aff138e29e6399bfc7153a04a219b980c81b8f;p=people%2Fliuw%2Fosstest.git

Debian: erase-other-disks: rescan partition tables after erasing whole disk

This appears to happen anyway, but force it to be sure.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
---

diff --git a/Osstest/Debian.pm b/Osstest/Debian.pm
index 20f3de7..e7b5538 100644
--- a/Osstest/Debian.pm
+++ b/Osstest/Debian.pm
@@ -1053,6 +1053,14 @@ zero () {
     fi
 }
 
+rescan () {
+    if ! test -b \${dev}; then
+	return
+    fi
+    log "Rescaning partition table on \${dev}"
+    echo 1 > /sys/block/\${dev#/dev/}/device/rescan
+}
+
 udevadm settle
 for sd in sd hd; do
     log "\${sd} devices present before: `echo /dev/\${sd}*`"
@@ -1063,6 +1071,7 @@ for sd in sd hd; do
 
         dev=/dev/\${sd}\${b}
         zero
+        rescan
     done
     udevadm settle
     log "\${sd} devices present after: `echo /dev/\${sd}*`"