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svcrdma: De-duplicate code that locates Write and Reply chunks

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Cache the locations of the Requester-provided Write list and Reply
chunk so that the Send path doesn't need to parse the Call header
again.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-03-02 15:01:08 -05:00
parent e604aad2ca
commit 2fe8c44633
3 changed files with 14 additions and 35 deletions
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include/linux/sunrpc/svc_rdma.h
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@@ -138,6 +138,8 @@ struct svc_rdma_recv_ctxt {
unsigned int rc_page_count;
unsigned int rc_hdr_count;
u32 rc_inv_rkey;
__be32 *rc_write_list;
__be32 *rc_reply_chunk;
unsigned int rc_read_payload_offset;
unsigned int rc_read_payload_length;
struct page *rc_pages[RPCSVC_MAXPAGES];