From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756171Ab2JZEsA (ORCPT ); Fri, 26 Oct 2012 00:48:00 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:53313 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755377Ab2JZEr7 (ORCPT ); Fri, 26 Oct 2012 00:47:59 -0400 From: Robin Dong To: linux-kernel@vger.kernel.org Cc: Robin Dong Subject: [PATCH 1/2 v4] block/throttle: remove redundant type transition Date: Fri, 26 Oct 2012 12:47:47 +0800 Message-Id: <1351226868-30063-1-git-send-email-robin.k.dong@gmail.com> X-Mailer: git-send-email 1.7.3.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Robin Dong We don't need to convert tg to blkg and then convert it back in throtl_update_dispatch_stats(). Signed-off-by: Robin Dong --- block/blk-throttle.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-) diff --git a/block/blk-throttle.c b/block/blk-throttle.c index a9664fa..46ddeff 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -674,10 +674,9 @@ static bool tg_may_dispatch(struct throtl_data *td, struct throtl_grp *tg, return 0; } -static void throtl_update_dispatch_stats(struct blkcg_gq *blkg, u64 bytes, +static void throtl_update_dispatch_stats(struct throtl_grp *tg, u64 bytes, int rw) { - struct throtl_grp *tg = blkg_to_tg(blkg); struct tg_stats_cpu *stats_cpu; unsigned long flags; @@ -708,7 +707,7 @@ static void throtl_charge_bio(struct throtl_grp *tg, struct bio *bio) tg->bytes_disp[rw] += bio->bi_size; tg->io_disp[rw]++; - throtl_update_dispatch_stats(tg_to_blkg(tg), bio->bi_size, bio->bi_rw); + throtl_update_dispatch_stats(tg, bio->bi_size, bio->bi_rw); } static void throtl_add_bio_tg(struct throtl_data *td, struct throtl_grp *tg, @@ -1127,7 +1126,7 @@ bool blk_throtl_bio(struct request_queue *q, struct bio *bio) tg = throtl_lookup_tg(td, blkcg); if (tg) { if (tg_no_rule_group(tg, rw)) { - throtl_update_dispatch_stats(tg_to_blkg(tg), + throtl_update_dispatch_stats(tg, bio->bi_size, bio->bi_rw); goto out_unlock_rcu; } -- 1.7.1