diff options
Diffstat (limited to 'block/blk-stat.c')
| -rw-r--r-- | block/blk-stat.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/block/blk-stat.c b/block/blk-stat.c index e77ec52f5bb51..dde9d399f707d 100644 --- a/block/blk-stat.c +++ b/block/blk-stat.c @@ -19,7 +19,7 @@ struct blk_queue_stats { bool enable_accounting; }; -unsigned int blk_stat_rq_ddir(const struct request *rq) +int blk_stat_rq_ddir(const struct request *rq) { return rq_data_dir(rq); } @@ -104,6 +104,8 @@ void blk_stat_add(struct request *rq) list_for_each_entry_rcu(cb, &q->stats->callbacks, list) { if (blk_stat_is_active(cb)) { bucket = cb->bucket_fn(rq); + if (bucket < 0) + continue; stat = &this_cpu_ptr(cb->cpu_stat)[bucket]; __blk_stat_add(stat, value); } @@ -135,7 +137,7 @@ static void blk_stat_timer_fn(unsigned long data) struct blk_stat_callback * blk_stat_alloc_callback(void (*timer_fn)(struct blk_stat_callback *), - unsigned int (*bucket_fn)(const struct request *), + int (*bucket_fn)(const struct request *), unsigned int buckets, void *data) { struct blk_stat_callback *cb; |