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svcrdma: Port to new memory registration API

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Instead of maintaining a fastreg page list, keep an sg table
and convert an array of pages to a sg list. Then call ib_map_mr_sg
and construct ib_reg_wr.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Tested-by: Selvin Xavier <selvin.xavier@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2015-10-13 19:11:36 +03:00 • committed by Doug Ledford
parent 4143f34e01
commit 412a15c0fe
3 changed files with 55 additions and 61 deletions
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6
include/linux/sunrpc/svc_rdma.h
View file

@ -105,11 +105,9 @@ struct svc_rdma_chunk_sge {
};
struct svc_rdma_fastreg_mr {
struct ib_mr *mr;
void *kva;
struct ib_fast_reg_page_list *page_list;
int page_list_len;
struct scatterlist *sg;
int sg_nents;
unsigned long access_flags;
unsigned long map_len;
enum dma_data_direction direction;
struct list_head frmr_list;
};