blkio: Remove per-cfqq nr_sectors as we'll be passing

that info at request dispatch with other stats now. This patch removes the
existing support for accounting sectors for a blkio_group. This will be added
back differently in the next two patches.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 2 insertions, 8 deletions

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 2c7a0f4f3cd7..7471d36bce89 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -142,8 +142,6 @@ struct cfq_queue {
         struct cfq_queue *new_cfqq;
         struct cfq_group *cfqg;
         struct cfq_group *orig_cfqg;
-        /* Sectors dispatched in current dispatch round */
-        unsigned long nr_sectors;
 };
 
 /*
@@ -883,8 +881,7 @@ static inline unsigned int cfq_cfqq_slice_usage(struct cfq_queue *cfqq)
                         slice_used = cfqq->allocated_slice;
         }
 
-        cfq_log_cfqq(cfqq->cfqd, cfqq, "sl_used=%u sect=%lu", slice_used,
-                                cfqq->nr_sectors);
+        cfq_log_cfqq(cfqq->cfqd, cfqq, "sl_used=%u", slice_used);
         return slice_used;
 }
 
@@ -918,8 +915,7 @@ static void cfq_group_served(struct cfq_data *cfqd, struct cfq_group *cfqg,
 
         cfq_log_cfqg(cfqd, cfqg, "served: vt=%llu min_vt=%llu", cfqg->vdisktime,
                                         st->min_vdisktime);
-        blkiocg_update_blkio_group_stats(&cfqg->blkg, used_sl,
-                                                cfqq->nr_sectors);
+        blkiocg_update_blkio_group_stats(&cfqg->blkg, used_sl);
 }
 
 #ifdef CONFIG_CFQ_GROUP_IOSCHED
@@ -1525,7 +1521,6 @@ static void __cfq_set_active_queue(struct cfq_data *cfqd,
                 cfqq->allocated_slice = 0;
                 cfqq->slice_end = 0;
                 cfqq->slice_dispatch = 0;
-                cfqq->nr_sectors = 0;
 
                 cfq_clear_cfqq_wait_request(cfqq);
                 cfq_clear_cfqq_must_dispatch(cfqq);
@@ -1870,7 +1865,6 @@ static void cfq_dispatch_insert(struct request_queue *q, struct request *rq)
         elv_dispatch_sort(q, rq);
 
         cfqd->rq_in_flight[cfq_cfqq_sync(cfqq)]++;
-        cfqq->nr_sectors += blk_rq_sectors(rq);
 }
 
 /*