Revised Direct I/O basepath validation (#420,#427)
Revised Direct I/O basepath validation (#420,#427)

akirakw/asakusafw,asakusafw/asakusafw,cocoatomo/asakusafw,ashigeru/asakusafw,ashigeru/asakusafw,asakusafw/asakusafw,akirakw/asakusafw,cocoatomo/asakusafw