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RDS: IB: add mr reused stats

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Add MR reuse statistics to RDS IB transport.

Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
santosh.shilimkar@oracle.com
2016-03-01 15:20:51 -08:00
committed by David S. Miller
parent 37ea401e9c
commit db42753adb
3 changed files with 10 additions and 1 deletions
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7
net/rds/ib_rdma.c
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@@ -188,8 +188,13 @@ struct rds_ib_mr *rds_ib_reuse_mr(struct rds_ib_mr_pool *pool)
flag = this_cpu_ptr(&clean_list_grace);
set_bit(CLEAN_LIST_BUSY_BIT, flag);
ret = llist_del_first(&pool->clean_list);
if (ret)
if (ret) {
ibmr = llist_entry(ret, struct rds_ib_mr, llnode);
if (pool->pool_type == RDS_IB_MR_8K_POOL)
rds_ib_stats_inc(s_ib_rdma_mr_8k_reused);
else
rds_ib_stats_inc(s_ib_rdma_mr_1m_reused);
}
clear_bit(CLEAN_LIST_BUSY_BIT, flag);
preempt_enable();