• When --log-file is specified, now all the logs are printed to the log file in a JSON format.
• Show the name of the mounted file system (in the result of df) as the bucket name if one single bucket is mounted. If gcsfuse mount all accessible buckets at once, the name would be gcsfuse.
• The user gets "Permission denied" instead of "Input/output error" when they have no access to the GCS API.