[lkml]   [2019]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 08/13] IB/iser: set virt_boundary_mask in the scsi host
On Wed, Jun 05, 2019 at 05:22:35PM -0300, Jason Gunthorpe wrote:
> On Wed, Jun 05, 2019 at 09:08:31PM +0200, Christoph Hellwig wrote:
> > This ensures all proper DMA layer handling is taken care of by the
> > SCSI midlayer.
> Maybe not entirely related to this series, but it looks like the SCSI
> layer is changing the device global dma_set_max_seg_size() - at least
> in RDMA the dma device is being shared between many users, so we
> really don't want SCSI to make this value smaller.
> Can we do something about this?

We could do something about it as outlined in my mail - pass the
dma_params explicitly to the dma_map_sg call. But that isn't really
suitable for a short term fix and will take a little more time.

Until we've sorted that out the device paramter needs to be set to
the smallest value supported.

 \ /
  Last update: 2019-06-06 08:25    [W:0.070 / U:40.460 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site