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 whether the IO is missed or not.

Signed-off-by: Tang Junhui <tang.junhui.linux@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 51be355a3309..4946d486f734 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -850,7 +850,7 @@ 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);