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svcrdma: Remove svc_rdma_chunk_ctxt::cc_dir field 

Clean up: No need to save the I/O direction. The functions that
release svc_rdma_chunk_ctxt already know what direction to use.

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 2017-06-23 17:19:29 -04:00 committed by J. Bruce Fields
parent 91b022ec8b
commit 35a30fc389
1 changed files with 8 additions and 10 deletions
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18
net/sunrpc/xprtrdma/svc_rdma_rw.c
View File

@ -116,22 +116,20 @@ struct svc_rdma_chunk_ctxt {
struct svcxprt_rdma *cc_rdma;
struct list_head cc_rwctxts;
int cc_sqecount;
enum dma_data_direction cc_dir;
};
static void svc_rdma_cc_init(struct svcxprt_rdma *rdma,
struct svc_rdma_chunk_ctxt *cc,
enum dma_data_direction dir)
struct svc_rdma_chunk_ctxt *cc)
{
cc->cc_rdma = rdma;
svc_xprt_get(&rdma->sc_xprt);
INIT_LIST_HEAD(&cc->cc_rwctxts);
cc->cc_sqecount = 0;
cc->cc_dir = dir;
}
static void svc_rdma_cc_release(struct svc_rdma_chunk_ctxt *cc)
static void svc_rdma_cc_release(struct svc_rdma_chunk_ctxt *cc,
enum dma_data_direction dir)
{
struct svcxprt_rdma *rdma = cc->cc_rdma;
struct svc_rdma_rw_ctxt *ctxt;
@ -141,7 +139,7 @@ static void svc_rdma_cc_release(struct svc_rdma_chunk_ctxt *cc)
rdma_rw_ctx_destroy(&ctxt->rw_ctx, rdma->sc_qp,
rdma->sc_port_num, ctxt->rw_sg_table.sgl,
ctxt->rw_nents, cc->cc_dir);
ctxt->rw_nents, dir);
svc_rdma_put_rw_ctxt(rdma, ctxt);
}
svc_xprt_put(&rdma->sc_xprt);
@ -179,14 +177,14 @@ svc_rdma_write_info_alloc(struct svcxprt_rdma *rdma, __be32 *chunk)
info->wi_seg_no = 0;
info->wi_nsegs = be32_to_cpup(++chunk);
info->wi_segs = ++chunk;
svc_rdma_cc_init(rdma, &info->wi_cc, DMA_TO_DEVICE);
svc_rdma_cc_init(rdma, &info->wi_cc);
info->wi_cc.cc_cqe.done = svc_rdma_write_done;
return info;
}
static void svc_rdma_write_info_free(struct svc_rdma_write_info *info)
{
svc_rdma_cc_release(&info->wi_cc);
svc_rdma_cc_release(&info->wi_cc, DMA_TO_DEVICE);
kfree(info);
}
@ -241,14 +239,14 @@ svc_rdma_read_info_alloc(struct svcxprt_rdma *rdma)
if (!info)
return info;
svc_rdma_cc_init(rdma, &info->ri_cc, DMA_FROM_DEVICE);
svc_rdma_cc_init(rdma, &info->ri_cc);
info->ri_cc.cc_cqe.done = svc_rdma_wc_read_done;
return info;
}
static void svc_rdma_read_info_free(struct svc_rdma_read_info *info)
{
svc_rdma_cc_release(&info->ri_cc);
svc_rdma_cc_release(&info->ri_cc, DMA_FROM_DEVICE);
kfree(info);
}