tree 8dc407b1fe8fced2588121e8d58450f3a8ed8807
parent 593060d756e0c2382d59cf00d5f3b9e3a336c408
author Chris Mason <chris.mason@oracle.com> 1206541687 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355041 -0400

Create a btrfs backing dev info

This allows intelligent versions of unplug and congestion functions

Signed-off-by: Chris Mason <chris.mason@oracle.com>