On 10/10/18 1:59 PM, Bjorn Helgaas wrote: > On Fri, Oct 05, 2018 at 07:16:04PM -0600, Jens Axboe wrote: >> On 10/4/18 3:27 PM, Logan Gunthorpe wrote: >>> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue >>> supports targeting P2P memory. This will be used by P2P providers and >>> orchestrators (in subsequent patches) to ensure block devices can >>> support P2P memory before submitting P2P backed pages to submit_bio(). >> >> Nit pick, but the subject line still says that it checks support >> for requests. This patch just adds the ability to flag support >> in the queue. > > What about the following? MAINTAINERS doesn't list a specific > maintainer for include/linux/blkdev.h (maybe the "BLOCK LAYER" entry > should have an F: pattern for it?), but I'd really like your ack > before merging this. > > commit 7e647ae1eda290786851c3dff4f38189b982386d > Author: Logan Gunthorpe <logang@xxxxxxxxxxxx> > Date: Thu Oct 4 15:27:41 2018 -0600 > > block: Add PCI P2P flag for request queue > > Add QUEUE_FLAG_PCI_P2P, meaning a driver's request queue supports targeting > P2P memory. This will be used by P2P providers and orchestrators (in > subsequent patches) to ensure block devices can support P2P memory before > submitting P2P-backed pages to submit_bio(). > > Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> > Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> You can add my acked-by to this one. -- Jens Axboe
