[PATCH 4.4 19/63] bcache: dont attach backing with duplicate UUID

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Michael Lyle commit 86755b7a96faed57f910f9e6b8061e019ac1ec08 upstream. This can happen e.g. during disk cloning. This is an incomplete fix: it does not catch duplicate UUIDs

[PATCH 4.4 19/63] bcache: dont attach backing with duplicate UUID

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Michael Lyle commit 86755b7a96faed57f910f9e6b8061e019ac1ec08 upstream. This can happen e.g. during disk cloning. This is an incomplete fix: it does not catch duplicate UUIDs earlier when