If the file have cache data and not flushed, the file length will be
not correct.
Change-Id: Idde23e158c1d010e67579b5d6a8d87d3cfbfed2d
Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>
Reviewed-on: https://review.gerrithub.io/393784
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>