Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758229Ab0DAWB0 (ORCPT ); Thu, 1 Apr 2010 18:01:26 -0400 Received: from smtp-out.google.com ([74.125.121.35]:34696 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757700Ab0DAWBV (ORCPT ); Thu, 1 Apr 2010 18:01:21 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=from:subject:to:cc:date:message-id:in-reply-to:references: user-agent:mime-version:content-type: content-transfer-encoding:x-system-of-record; b=ERUaggvyk4MewrhBK8P8W24aRFwdU4EFHhmSO+YVo/TN6fNdLNy0cl2FWyvtYpgJo wAlOirNjJldAQrSc4jxxQ== From: Divyesh Shah Subject: [PATCH 1/3] blkio: Remove per-cfqq nr_sectors as we'll be passing To: jens.axboe@oracle.com, vgoyal@redhat.com Cc: linux-kernel@vger.kernel.org, nauman@google.com, ctalbott@google.com Date: Thu, 01 Apr 2010 15:01:04 -0700 Message-ID: <20100401220036.2843.61741.stgit@austin.mtv.corp.google.com> In-Reply-To: <20100401215541.2843.79107.stgit@austin.mtv.corp.google.com> References: <20100401215541.2843.79107.stgit@austin.mtv.corp.google.com> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3616 Lines: 106 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 --- block/blk-cgroup.c | 3 +-- block/blk-cgroup.h | 6 ++---- block/cfq-iosched.c | 10 ++-------- 3 files changed, 5 insertions(+), 14 deletions(-) diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 4b686ad..5be3981 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -56,10 +56,9 @@ struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup) EXPORT_SYMBOL_GPL(cgroup_to_blkio_cgroup); void blkiocg_update_blkio_group_stats(struct blkio_group *blkg, - unsigned long time, unsigned long sectors) + unsigned long time) { blkg->time += time; - blkg->sectors += sectors; } EXPORT_SYMBOL_GPL(blkiocg_update_blkio_group_stats); diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 8ccc204..fe44517 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -106,7 +106,7 @@ extern int blkiocg_del_blkio_group(struct blkio_group *blkg); extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg, void *key); void blkiocg_update_blkio_group_stats(struct blkio_group *blkg, - unsigned long time, unsigned long sectors); + unsigned long time); #else struct cgroup; static inline struct blkio_cgroup * @@ -123,8 +123,6 @@ blkiocg_del_blkio_group(struct blkio_group *blkg) { return 0; } static inline struct blkio_group * blkiocg_lookup_group(struct blkio_cgroup *blkcg, void *key) { return NULL; } static inline void blkiocg_update_blkio_group_stats(struct blkio_group *blkg, - unsigned long time, unsigned long sectors) -{ -} + unsigned long time) {} #endif #endif /* _BLK_CGROUP_H */ diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index ef1680b..c18e348 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -141,8 +141,6 @@ 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; }; /* @@ -882,8 +880,7 @@ 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; } @@ -917,8 +914,7 @@ 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 @@ -1524,7 +1520,6 @@ 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); @@ -1869,7 +1864,6 @@ 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); } /* -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/