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svcrdma: Move send_wr to svc_rdma_op_ctxt

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Clean up: Move the ib_send_wr off the stack, and move common code
to post a Send Work Request into a helper.

This is a refactoring change only.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever
2017-04-09 13:05:36 -04:00
committed by J. Bruce Fields
parent 99bbf6ecc6
commit 17f5f7f506
3 changed files with 44 additions and 35 deletions
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4
include/linux/sunrpc/svc_rdma.h
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@@ -85,6 +85,7 @@ struct svc_rdma_op_ctxt {
enum dma_data_direction direction;
int count;
unsigned int mapped_sges;
struct ib_send_wr send_wr;
struct ib_sge sge[RPCSVC_MAXPAGES];
struct page *pages[RPCSVC_MAXPAGES];
};
@@ -227,6 +228,9 @@ extern int rdma_read_chunk_frmr(struct svcxprt_rdma *, struct svc_rqst *,
/* svc_rdma_sendto.c */
extern int svc_rdma_map_xdr(struct svcxprt_rdma *, struct xdr_buf *,
struct svc_rdma_req_map *, bool);
extern int svc_rdma_post_send_wr(struct svcxprt_rdma *rdma,
struct svc_rdma_op_ctxt *ctxt,
int num_sge, u32 inv_rkey);
extern int svc_rdma_sendto(struct svc_rqst *);
extern void svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *,
int);