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| author | Weston Andros Adamson <dros@primarydata.com> | 2014-06-24 10:59:52 -0400 |
|---|---|---|
| committer | Tom Haynes <loghyr@primarydata.com> | 2015-02-03 11:06:38 -0800 |
| commit | 840210fc4872bcbc17ab4f435f28021dce9d0aff (patch) | |
| tree | 6be82bb7ca5a4ef88746e023b139e2dda7b7e566 /net/sunrpc | |
| parent | 16cecdf620eb23d2654a265d9b20e089370d7425 (diff) | |
| download | lwn-840210fc4872bcbc17ab4f435f28021dce9d0aff.tar.gz lwn-840210fc4872bcbc17ab4f435f28021dce9d0aff.zip | |
sunrpc: add rpc_count_iostats_idx
Add a call to tally stats for a task under a different statsidx than
what's contained in the task structure.
This is needed to properly account for pnfs reads/writes when the
DS nfs version != the MDS version.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/stats.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c index 9711a155bc50..2ecb994314c1 100644 --- a/net/sunrpc/stats.c +++ b/net/sunrpc/stats.c @@ -140,22 +140,20 @@ void rpc_free_iostats(struct rpc_iostats *stats) EXPORT_SYMBOL_GPL(rpc_free_iostats); /** - * rpc_count_iostats - tally up per-task stats + * rpc_count_iostats_metrics - tally up per-task stats * @task: completed rpc_task - * @stats: array of stat structures + * @op_metrics: stat structure for OP that will accumulate stats from @task */ -void rpc_count_iostats(const struct rpc_task *task, struct rpc_iostats *stats) +void rpc_count_iostats_metrics(const struct rpc_task *task, + struct rpc_iostats *op_metrics) { struct rpc_rqst *req = task->tk_rqstp; - struct rpc_iostats *op_metrics; ktime_t delta, now; - if (!stats || !req) + if (!op_metrics || !req) return; now = ktime_get(); - op_metrics = &stats[task->tk_msg.rpc_proc->p_statidx]; - spin_lock(&op_metrics->om_lock); op_metrics->om_ops++; @@ -175,6 +173,20 @@ void rpc_count_iostats(const struct rpc_task *task, struct rpc_iostats *stats) spin_unlock(&op_metrics->om_lock); } +EXPORT_SYMBOL_GPL(rpc_count_iostats_metrics); + +/** + * rpc_count_iostats - tally up per-task stats + * @task: completed rpc_task + * @stats: array of stat structures + * + * Uses the statidx from @task + */ +void rpc_count_iostats(const struct rpc_task *task, struct rpc_iostats *stats) +{ + rpc_count_iostats_metrics(task, + &stats[task->tk_msg.rpc_proc->p_statidx]); +} EXPORT_SYMBOL_GPL(rpc_count_iostats); static void _print_name(struct seq_file *seq, unsigned int op, |