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File block-flags.diff of Package xen (Revision 271f1069198d7bdfbd85e6b9045089a7)

Currently displaying revision 271f1069198d7bdfbd85e6b9045089a7 , Show latest

Index: xen-unstable/tools/examples/block
===================================================================
--- xen-unstable.orig/tools/examples/block
+++ xen-unstable/tools/examples/block
@@ -259,10 +259,13 @@ case "$command" in
 	;;
 
       file)
+        lo_flags=""
+        [ "${mode/S}" = "$mode" ] || lo_flags="-y"
         # Canonicalise the file, for sharing check comparison, and the mode
         # for ease of use here.
         file=$(readlink -f "$p") || fatal "$p does not exist."
         mode=$(canonicalise_mode "$mode")
+        [ "$mode" = "r" ] && lo_flags="$lo_flags -r"
 
         claim_lock "block"
 
@@ -370,11 +373,11 @@ mount it read-write in a guest domain."
            fatal 'Failed to find an unused loop device'
          fi
 
-         losetup "$loopdev" "$file" && losetup_failure="" && break
+         losetup $lo_flags "$loopdev" "$file" && losetup_failure="" && break
         done
         if [ "$losetup_failure" ]
         then
-          fatal 'losetup $loopdev $file'
+          fatal 'losetup $lo_flags $loopdev $file'
         fi
 
         xenstore_write "$XENBUS_PATH/node" "$loopdev"

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File block-flags.diff of Package xen (Revision 271f1069198d7bdfbd85e6b9045089a7)

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