This release makes the ltotape driver thread-safe, as libltfs expects
it to be. This fixes a lot of problems because of race conditions on
SCSI I/O structures.
Linear Tape File System (LTFS) is a filesystem to mount a LTFS
formatted tape in a tape drive. Once LTFS mounts a LTFS formatted
tape as filesystem, user can access to the tape via filesystem API.
Objective of this project is being the reference implementation of
the LTFS format Specifications in SNIA
(https://www.snia.org/tech_activities/standards/curr_standards/ltfs).
At this time, the LTFS format specifications 2.4 is the target
