flags.DurationVarP(flagSet,&Opt.PollInterval,"poll-interval","",Opt.PollInterval,"Time to wait between polling for changes, must be smaller than dir-cache-time and only on supported remotes (set 0 to disable)","VFS")
flags.DurationVarP(flagSet,&Opt.CachePollInterval,"vfs-cache-poll-interval","",Opt.CachePollInterval,"Interval to poll the cache for stale objects","VFS")
flags.DurationVarP(flagSet,&Opt.CacheMaxAge,"vfs-cache-max-age","",Opt.CacheMaxAge,"Max time since last access of objects in the cache","VFS")
flags.FVarP(flagSet,&Opt.CacheMaxSize,"vfs-cache-max-size","","Max total size of objects in the cache","VFS")
flags.FVarP(flagSet,&Opt.ChunkSize,"vfs-read-chunk-size","","Read the source objects in chunks","VFS")
flags.FVarP(flagSet,&Opt.ChunkSizeLimit,"vfs-read-chunk-size-limit","","If greater than --vfs-read-chunk-size, double the chunk size after each chunk read, until the limit is reached ('off' is unlimited)","VFS")
flags.BoolVarP(flagSet,&Opt.CaseInsensitive,"vfs-case-insensitive","",Opt.CaseInsensitive,"If a file name not found, find a case insensitive match","VFS")
flags.DurationVarP(flagSet,&Opt.WriteWait,"vfs-write-wait","",Opt.WriteWait,"Time to wait for in-sequence write before giving error","VFS")
flags.DurationVarP(flagSet,&Opt.ReadWait,"vfs-read-wait","",Opt.ReadWait,"Time to wait for in-sequence read before seeking","VFS")
flags.DurationVarP(flagSet,&Opt.WriteBack,"vfs-write-back","",Opt.WriteBack,"Time to writeback files after last use when using cache","VFS")
flags.FVarP(flagSet,&Opt.ReadAhead,"vfs-read-ahead","","Extra read ahead over --buffer-size when using cache-mode full","VFS")
flags.BoolVarP(flagSet,&Opt.UsedIsSize,"vfs-used-is-size","",Opt.UsedIsSize,"Use the `rclone size` algorithm for Used size","VFS")
flags.BoolVarP(flagSet,&Opt.FastFingerprint,"vfs-fast-fingerprint","",Opt.FastFingerprint,"Use fast (less accurate) fingerprints for change detection","VFS")
flags.FVarP(flagSet,&Opt.DiskSpaceTotalSize,"vfs-disk-space-total-size","","Specify the total space of disk","VFS")