On Tue, Dec 01, 2020 at 12:02:19PM +0100, Christian Brauner wrote: > On Tue, Dec 01, 2020 at 11:54:45AM +0100, Christoph Hellwig wrote: > > What is the reason for the config option? The only thing that it > > controls is setting of a single flag. > > I wanted to be conservative and give users the option to disable this on > their kernel. Would you prefer if I drop it? I don't think adding an option per file system scales in any way. If there is some strong urge to disable the functionality (which I see no reason for) we could add something like a global sysctl for all on-disk file systems.