On Tue, Nov 14, 2023 at 06:29:15PM +0100, Christian Brauner wrote: > I think it's usually best practice to only modify the file->private_data > pointer during f_op->open and f_op->close but not override > file->private_data once the file is visible to other threads. I think > here it might not matter because access to file->private_data is > serialized on f_pos_lock and it's not used by anything else. That is entirely up to filesystem. Warning that use of that library helper means that you can't use your ->d_fsdata for anything else - sure, but that's it.
