On Tue, Sep 19, 2017 at 10:15:38AM +0200, Lukas Czerner wrote: > On Mon, Sep 18, 2017 at 10:56:51AM -0700, Christoph Hellwig wrote: > > This seems to miss any explanation and 6 out of 7 patches. > > See linux-fsdevel for entire patch set. > https://www.spinics.net/lists/linux-fsdevel/msg115740.html But only one made it to linux-xfs, so please fix your patch sending. > (f)pathconf on it's own is useless because I need to get this > information directly from the file system. Supported fallocate modes can > differ with inode flags (encrypted files, extent/indirect based files on > ext4). I also need in-kernel interface. And that is exactly what I want you to do: finally bite the bullet and add pathconf inode operation.