On Thu, Sep 28, 2017 at 6:54 AM, Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > I don't like adding a bool parameter everywhere. Why not add a flag > to the kiocb ki_flags? > > #define IOCB_RWSEM_HELD (1 << 8) Yeah, I think that would be a nicer approach, with filesystems that don't care being able to just ignore it entirely. Linus