[V0.10] add option to enable FUSE direct i/o on file open #2172

Job	Run time
code formatting check	16s
cppcheck	4m 6s
min features with gcc	2m 20s
min features with g++	2m 24s
min features with clang	2m 19s
max features with gcc	4m 13s
max features with g++	1m 48s
max features with clang	3m 39s
max features with gcc and DEBUG	1m 52s
max features with gcc for 32-bit arch (legacy OS)	1m 31s
max features with g++ for 32-bit arch (legacy OS)	1m 23s
max features with clang for 32-bit arch (legacy OS)	1m 46s
	27m 37s

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