On Wed, Jun 05, 2019 at 06:45:36PM -0700, ira.weiny@xxxxxxxxx wrote: > From: Ira Weiny <ira.weiny@xxxxxxxxx> > > In order to support checking for a layout lease on a FS DAX inode these > calls need to know if FOLL_LONGTERM was specified. > > Prepare for this with this patch. The GUP fast argument passing is a mess. That is why I've come up with this as part of the (not ready) get_user_pages_fast_bvec implementation: http://git.infradead.org/users/hch/misc.git/commitdiff/c3d019802dbde5a4cc4160e7ec8ccba479b19f97
