On Wed, Jun 05, 2019 at 05:02:09PM -0700, Sagi Grimberg wrote: > if the lld does not explicitly sets this, scsi takes BLK_MAX_SEGMENT_SIZE > and sets it using dma_set_max_seg_size(). In our case, this will affect > all the rdma device consumers. > > Fix it by setting shost max_segment_size according to the device > capability. > > Reported-by: Jason Gunthorpe <jgg@xxxxxxxx> > Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx> > This goes on top of hch patchset: > "properly communicate queue limits to the DMA layer" > > Normally this should go through the rdma tree, so we can > either get it through jens with hch patchset. Alternatively > this is a fix that should go to rc anyways? If CH's series goes to -rc we can take this through rdma after it gets to -rc4 or so.. Otherwise Jens should probably take it, I'm not expecting conflicts in this area so far. Thanks, Jason
