Merge "fs_mgr: support to reserved some blocks for an ext2/3/4 partition." am:...
Merge "fs_mgr: support to reserved some blocks for an ext2/3/4 partition." am: bde6ddbb -s ours am: eee645ec
am: 8e599c08
Change-Id: I55054b4ac480d734a22804506d09cf13fd042ca5