[PATCH 1/4] block: prepare I/O context code for BFQ-v6r2 for 3.1
Fix
[PATCH 2/4] block: cgroups, kconfig, build bits for BFQ-v6r2-3.1
[PATCH 3/4] block: introduce the BFQ-v6r2 I/O sched for 3.1
[PATCH 4/4] block, bfq: add Early Queue Merge (EQM) to BFQ-v6r2 for 3.1.0
block: bfq-iosched.c: tweak default values
defconfig: Enable BFQ.