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svcrdma: Use parsed chunk lists to construct RDMA Writes

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Refactor: Instead of re-parsing the ingress RPC Call transport
header when constructing RDMA Writes, use the new parsed chunk lists
for the Write list and Reply chunk, which are version-agnostic and
already XDR-decoded.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-06-17 11:07:00 -04:00
parent 58b2e0fefa
commit 7a1cbfa180
4 changed files with 38 additions and 37 deletions
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5
include/linux/sunrpc/svc_rdma.h
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@@ -157,8 +157,6 @@ struct svc_rdma_recv_ctxt {
__be32 *rc_reply_chunk;
struct svc_rdma_pcl rc_reply_pcl;
unsigned int rc_read_payload_offset;
unsigned int rc_read_payload_length;
struct page *rc_pages[RPCSVC_MAXPAGES];
};
@@ -196,7 +194,8 @@ extern int svc_rdma_recv_read_chunk(struct svcxprt_rdma *rdma,
struct svc_rqst *rqstp,
struct svc_rdma_recv_ctxt *head, __be32 *p);
extern int svc_rdma_send_write_chunk(struct svcxprt_rdma *rdma,
__be32 *wr_ch, const struct xdr_buf *xdr);
const struct svc_rdma_chunk *chunk,
const struct xdr_buf *xdr);
extern int svc_rdma_send_reply_chunk(struct svcxprt_rdma *rdma,
const struct svc_rdma_recv_ctxt *rctxt,
struct xdr_buf *xdr);