On 10/21/22 10:41, Logan Gunthorpe wrote: > When a bio's queue supports PCI P2PDMA, set FOLL_PCI_P2PDMA for > iov_iter_get_pages_flags(). This allows PCI P2PDMA pages to be > passed from userspace and enables the NVMe passthru requests to > use P2PDMA pages. > > Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx> > --- > block/blk-map.c | 12 ++++++++---- Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> -ck