[Xen-devel] [PATCH] Allow blktap specification to be a path to a file

[Ben Guthro <bguthro@xxxxxxxxxxxxxxx>]

Minor change to allow a blktap specification to be an actual 
path to a file instead of a soft link to a file
Signed-off-by: Ben Guthro <bguthro@xxxxxxxxxxxxxxx>
Signed-off-by: Josh Nicholas <jnicholas@xxxxxxxxxxxxxxx>

diff -r b34eb51bc04c tools/examples/blktap
--- a/tools/examples/blktap     Thu Aug 16 19:37:12 2007 -0400
+++ b/tools/examples/blktap     Thu Aug 16 19:37:12 2007 -0400
@@ -18,7 +18,12 @@ then
         p=${p#*:}
     fi
 fi
-file=$(readlink -f "$p") || ebusy "$p does not exist."
+if [ -L "$p" ]; then
+    file=$(readlink -f "$p") || ebusy "$p link does not exist."
+else
+    [ -f "$p" ] || { ebusy "$p file does not exist." }
+       $file="$p"
+fi
 
 if [ "$command" = 'add' ]
 then

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