>From acd3853bca04799659cdb1c90675d36b6397a373 Mon Sep 17 00:00:00 2001 From: Tang Junhui <[email protected]> Date: Wed, 5 Sep 2018 21:00:44 +0800 Subject: [PATCH] bcache: trace missed reading by cache_missed
Missed reading IOs are identified by s->cache_missed, not the s->cache_miss, so in trace_bcache_read() using trace_bcache_read to identify wether the IO is missed or not. Signed-off-by: Tang Junhui <[email protected]> --- drivers/md/bcache/request.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 7dbe8b6..928fa99 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -845,7 +845,7 @@ static void cached_dev_read_done_bh(struct closure *cl) bch_mark_cache_accounting(s->iop.c, s->d, !s->cache_missed, s->iop.bypass); - trace_bcache_read(s->orig_bio, !s->cache_miss, s->iop.bypass); + trace_bcache_read(s->orig_bio, !s->cache_missed, s->iop.bypass); if (s->iop.status) continue_at_nobarrier(cl, cached_dev_read_error, bcache_wq); -- 1.8.3.1
