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svcrdma: Clean up read chunk counting

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The byte_count argument is not used, and the function is called
only from one place.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever
2015-01-13 11:02:54 -05:00
committed by J. Bruce Fields
parent 83f2bedfc6
commit 2397aa8b51
3 changed files with 12 additions and 21 deletions
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15
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
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@@ -365,12 +365,22 @@ static int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt,
return ret;
}
static unsigned int
rdma_rcl_chunk_count(struct rpcrdma_read_chunk *ch)
{
unsigned int count;
for (count = 0; ch->rc_discrim != xdr_zero; ch++)
count++;
return count;
}
static int rdma_read_chunks(struct svcxprt_rdma *xprt,
struct rpcrdma_msg *rmsgp,
struct svc_rqst *rqstp,
struct svc_rdma_op_ctxt *head)
{
int page_no, ch_count, ret;
int page_no, ret;
struct rpcrdma_read_chunk *ch;
u32 page_offset, byte_count;
u64 rs_offset;
@@ -381,8 +391,7 @@ static int rdma_read_chunks(struct svcxprt_rdma *xprt,
if (!ch)
return 0;
svc_rdma_rcl_chunk_counts(ch, &ch_count, &byte_count);
if (ch_count > RPCSVC_MAXPAGES)
if (rdma_rcl_chunk_count(ch) > RPCSVC_MAXPAGES)
return -EINVAL;
/* The request is completed when the RDMA_READs complete. The