Don't check file for non-nil.
Don't check file for non-nil.

kahing/gcsfuse,BanzaiMan/gcsfuse,mbrukman/gcsfuse,BanzaiMan/gcsfuse,jacobsa/timeutil,GoogleCloudPlatform/gcsfuse,GoogleCloudPlatform/gcsfuse,jacobsa/ratelimit,GoogleCloudPlatform/gcsfuse