On Wed, 20 Aug 2025 at 11:16, Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > As an optimization of the above, the filesystem clearing the > request_mask for these uncached attributes means that that attribute > is not supported by the filesystem and that *can* be cheaply cached > (e.g. clearing fi->inval_mask). Even better: add sx_supported to fuse_init_out, so that unsupported ones don't generate unnecessary requests. Thanks, Miklos