tree ae9ca55c15a379d20856c56c1ff30ad712c4839e
parent 383d08e045faddd89797959786233d4c0e1ace80
author Artem Bityutskiy <Artem.Bityutskiy@nokia.com> 1241686009 +0300
committer Artem Bityutskiy <Artem.Bityutskiy@nokia.com> 1242638904 +0300

UBI: re-name volumes_mutex to device_mutex

The mutex essencially protects the entire UBI device, so the
old @volumes_mutex name is a little misleading.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>