IB/core, RDMA RW API: Do not exceed QP SGE send limit
Compute the SGE limit for RDMA READ and WRITE requests in ib_create_qp(). Use that limit in the RDMA RW API implementation. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Sagi Grimberg <sagi@grimberg.me> Cc: Steve Wise <swise@opengridcomputing.com> Cc: Parav Pandit <pandit.parav@gmail.com> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Cc: Laurence Oberman <loberman@redhat.com> Cc: <stable@vger.kernel.org> #v4.7+ Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Doug Ledford <dledford@redhat.com>
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