o_dsync mode not supported
o_dsync mode not supported

Signed-off-by: Amit Pundir <a4a7d486fe874593b021ebde938f459c081be043@linaro.org>

yinquan529/platform-external-stressapptest,yinquan529/platform-external-stressapptest,yinquan529/platform-external-stressapptest