File hotplug-block-losetup-a.patch of Package xen.import4929

Subject: hotplug: allow hardlinked files for block device images

tools/hotplug/Linux/block change for this losetup -a output:
inode 12 is listed twice due to hardlinks

/dev/loop0: [0809]:139267 (/abuild/vdisk-sles11_2-disk0)
/dev/loop1: [0809]:139266 (/abuild/vdisk-sles11_1-disk1)
/dev/loop3: [0809]:139267 (/abuild/vdisk-sles11_2-disk0)
/dev/loop5: [0809]:139273 (/abuild/vdisk-sles11_5-disk1)
/dev/loop8: [0809]:12 (/abuild/bootiso-xenpaging-sles11_5.iso)
/dev/loop10: [0809]:12 (/abuild/bootiso-xenpaging-sles11_4.iso)
/dev/loop11: [0809]:139271 (/abuild/vdisk-sles11_4-disk0)

Signed-off-by: Olaf Hering <olaf@aepfle.de>

---
 tools/hotplug/Linux/block |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Index: xen-4.0.2-testing/tools/hotplug/Linux/block
===================================================================
--- xen-4.0.2-testing.orig/tools/hotplug/Linux/block
+++ xen-4.0.2-testing/tools/hotplug/Linux/block
@@ -279,9 +279,9 @@ mount it read-write in a guest domain."
             fatal "Unable to lookup $file: dev: $dev inode: $inode"
           fi
 
-          shared_list=$(losetup -a | grep ' \[0*'${dev}'\]:'${inode} |
-                cut -d : -f 1)
-          for dev in "$shared_list"
+          shared_list=$(losetup -a |
+                sed -n -e "s@^\([^:]\+\)\(:[[:blank:]]\[0*${dev}\]:${inode}[[:blank:]](.*)\)@\1@p" )
+          for dev in $shared_list
           do
             if [ -n "$dev" ]
             then