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RDS: break out rdma and data ops into nested structs in rds_message

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Clearly separate rdma-related variables in rm from data-related ones.
This is in anticipation of adding atomic support.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
This commit is contained in:
Andy Grover 2010-01-12 12:15:02 -08:00
parent 8690bfa17a
commit e779137aa7
7 changed files with 96 additions and 85 deletions
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9
net/rds/rdma.c
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@ -643,14 +643,14 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
struct rds_rdma_op *op;
if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args)) ||
rm->m_rdma_op)
rm->rdma.m_rdma_op)
return -EINVAL;
op = rds_rdma_prepare(rs, CMSG_DATA(cmsg));
if (IS_ERR(op))
return PTR_ERR(op);
rds_stats_inc(s_send_rdma);
rm->m_rdma_op = op;
rm->rdma.m_rdma_op = op;
return 0;
}
@ -679,6 +679,7 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
*/
r_key = rds_rdma_cookie_key(rm->m_rdma_cookie);
spin_lock_irqsave(&rs->rs_rdma_lock, flags);
mr = rds_mr_tree_walk(&rs->rs_rdma_keys, r_key, NULL);
if (!mr)
@ -689,7 +690,7 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
if (mr) {
mr->r_trans->sync_mr(mr->r_trans_private, DMA_TO_DEVICE);
rm->m_rdma_mr = mr;
rm->rdma.m_rdma_mr = mr;
}
return err;
}
@ -707,5 +708,5 @@ int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm,
rm->m_rdma_cookie != 0)
return -EINVAL;
return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie, &rm->m_rdma_mr);
return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie, &rm->rdma.m_rdma_mr);
}