On Tue, Jan 22, 2019 at 10:25:20AM -0800, Bart Van Assche wrote:
> The default behavior of the SCSI core is to set the block layer request
> queue parameter max_segment_size to 64 KB. That means that elements of
> scatterlists are limited to 64 KB. Since RDMA adapters support larger
> sizes, increase max_segment_size for the SRP initiator.
>
> Notes:
> - The SCSI max_segment_size parameter was introduced in kernel v5.0. See
> also commit 50c2e9107f17 ("scsi: introduce a max_segment_size
> host_template parameters").
> - Some other block drivers already set max_segment_size to UINT_MAX,
> e.g. nbd and rbd.
>
> Cc: Christoph Hellwig <[email protected]>
> Signed-off-by: Bart Van Assche <[email protected]>
> ---
> drivers/infiniband/ulp/srp/ib_srp.c | 1 +
> include/rdma/ib_verbs.h | 13 +++++++++++++
> 2 files changed, 14 insertions(+)
Applied to for-next
Thanks,
Jason
