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RDMA/rtrs-clt: Use this_cpu_ API for stats

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Use this_cpu_x() for increasing/adding a percpu counter through a
percpu pointer without the need to disable/enable preemption.

Link: https://lore.kernel.org/r/20220712103113.617754-3-haris.iqbal@ionos.com
Suggested-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Santosh Kumar Pradhan <santosh.pradhan@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Acked-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Santosh Kumar Pradhan 2022-07-12 12:31:10 +02:00 committed by Leon Romanovsky
parent ed6e53820e
commit 861703b4c7
1 changed files with 3 additions and 11 deletions
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14
drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c
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@ -32,11 +32,7 @@ void rtrs_clt_update_wc_stats(struct rtrs_clt_con *con)
void rtrs_clt_inc_failover_cnt(struct rtrs_clt_stats *stats)
{
struct rtrs_clt_stats_pcpu *s;
s = get_cpu_ptr(stats->pcpu_stats);
s->rdma.failover_cnt++;
put_cpu_ptr(stats->pcpu_stats);
this_cpu_inc(stats->pcpu_stats->rdma.failover_cnt);
}
int rtrs_clt_stats_migration_from_cnt_to_str(struct rtrs_clt_stats *stats, char *buf)
@ -169,12 +165,8 @@ int rtrs_clt_reset_all_stats(struct rtrs_clt_stats *s, bool enable)
static inline void rtrs_clt_update_rdma_stats(struct rtrs_clt_stats *stats,
size_t size, int d)
{
struct rtrs_clt_stats_pcpu *s;
s = get_cpu_ptr(stats->pcpu_stats);
s->rdma.dir[d].cnt++;
s->rdma.dir[d].size_total += size;
put_cpu_ptr(stats->pcpu_stats);
this_cpu_inc(stats->pcpu_stats->rdma.dir[d].cnt);
this_cpu_add(stats->pcpu_stats->rdma.dir[d].size_total, size);
}
void rtrs_clt_update_all_stats(struct rtrs_clt_io_req *req, int dir)