Linux 3.10 has been released on Sun, 30 Jun 2013. Summary: This release adds support for bcache, which allows to use SSD devices to cache data from other block devices; a Btrfs format improvement that makes the tree dedicated to store extent information 30-35% smaller; support for XFS metadata checksums and self-describing metadata, timerless multitasking, SysV IPC, rwlock and mutex scalability im