From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933180Ab2C1Wwf (ORCPT ); Wed, 28 Mar 2012 18:52:35 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:45002 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759021Ab2C1Wv5 (ORCPT ); Wed, 28 Mar 2012 18:51:57 -0400 From: Tejun Heo To: axboe@kernel.dk Cc: vgoyal@redhat.com, ctalbott@google.com, rni@google.com, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, containers@lists.linux-foundation.org, Tejun Heo Subject: [PATCH 12/21] cfq: collapse cfq.h into cfq-iosched.c Date: Wed, 28 Mar 2012 15:51:22 -0700 Message-Id: <1332975091-10950-13-git-send-email-tj@kernel.org> X-Mailer: git-send-email 1.7.7.3 In-Reply-To: <1332975091-10950-1-git-send-email-tj@kernel.org> References: <1332975091-10950-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org block/cfq.h contains some functions which interact with blkcg; however, this is only part of it and cfq-iosched.c already has quite some #ifdef CONFIG_CFQ_GROUP_IOSCHED. With conf/stat handling being moved to specific policies, having these relay functions isolated in cfq.h doesn't make much sense. Collapse cfq.h into cfq-iosched.c for now. Let's split blkcg support properly later if necessary. Signed-off-by: Tejun Heo --- block/cfq-iosched.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++++- block/cfq.h | 118 --------------------------------------------------- 2 files changed, 113 insertions(+), 119 deletions(-) delete mode 100644 block/cfq.h diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 119e061..2e13e9e 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -15,7 +15,6 @@ #include #include #include "blk.h" -#include "cfq.h" static struct blkio_policy_type blkio_policy_cfq; @@ -367,6 +366,9 @@ CFQ_CFQQ_FNS(wait_busy); #undef CFQ_CFQQ_FNS #ifdef CONFIG_CFQ_GROUP_IOSCHED + +#include "blk-cgroup.h" + static inline struct cfq_group *blkg_to_cfqg(struct blkio_group *blkg) { return blkg_to_pdata(blkg, &blkio_policy_cfq); @@ -396,6 +398,82 @@ static inline void cfqg_put(struct cfq_group *cfqg) blk_add_trace_msg((cfqd)->queue, "%s " fmt, \ blkg_path(cfqg_to_blkg((cfqg))), ##args) \ +static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, + struct blkio_group *curr_blkg, + bool direction, bool sync) +{ + blkiocg_update_io_add_stats(blkg, pol, curr_blkg, direction, sync); +} + +static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, unsigned long dequeue) +{ + blkiocg_update_dequeue_stats(blkg, pol, dequeue); +} + +static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg, + struct blkio_policy_type *pol, unsigned long time, + unsigned long unaccounted_time) +{ + blkiocg_update_timeslice_used(blkg, pol, time, unaccounted_time); +} + +static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg, + struct blkio_policy_type *pol) +{ + blkiocg_set_start_empty_time(blkg, pol); +} + +static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, bool direction, + bool sync) +{ + blkiocg_update_io_remove_stats(blkg, pol, direction, sync); +} + +static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, bool direction, + bool sync) +{ + blkiocg_update_io_merged_stats(blkg, pol, direction, sync); +} + +static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol) +{ + blkiocg_update_idle_time_stats(blkg, pol); +} + +static inline void +cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol) +{ + blkiocg_update_avg_queue_size_stats(blkg, pol); +} + +static inline void +cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol) +{ + blkiocg_update_set_idle_time_stats(blkg, pol); +} + +static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, uint64_t bytes, + bool direction, bool sync) +{ + blkiocg_update_dispatch_stats(blkg, pol, bytes, direction, sync); +} + +static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, uint64_t start_time, + uint64_t io_start_time, bool direction, bool sync) +{ + blkiocg_update_completion_stats(blkg, pol, start_time, io_start_time, + direction, sync); +} + #else /* CONFIG_CFQ_GROUP_IOSCHED */ static inline struct cfq_group *blkg_to_cfqg(struct blkio_group *blkg) { return NULL; } @@ -407,6 +485,40 @@ static inline void cfqg_put(struct cfq_group *cfqg) { } blk_add_trace_msg((cfqd)->queue, "cfq%d " fmt, (cfqq)->pid, ##args) #define cfq_log_cfqg(cfqd, cfqg, fmt, args...) do {} while (0) +static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, + struct blkio_group *curr_blkg, bool direction, + bool sync) { } +static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, unsigned long dequeue) { } +static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg, + struct blkio_policy_type *pol, unsigned long time, + unsigned long unaccounted_time) { } +static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg, + struct blkio_policy_type *pol) { } +static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, bool direction, + bool sync) { } +static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, bool direction, + bool sync) { } +static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol) { } +static inline void +cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol) { } + +static inline void +cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol) { } + +static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, uint64_t bytes, + bool direction, bool sync) { } +static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, + struct blkio_policy_type *pol, uint64_t start_time, + uint64_t io_start_time, bool direction, bool sync) { } + #endif /* CONFIG_CFQ_GROUP_IOSCHED */ #define cfq_log(cfqd, fmt, args...) \ diff --git a/block/cfq.h b/block/cfq.h deleted file mode 100644 index c8b15ef..0000000 --- a/block/cfq.h +++ /dev/null @@ -1,118 +0,0 @@ -#ifndef _CFQ_H -#define _CFQ_H -#include "blk-cgroup.h" - -#ifdef CONFIG_CFQ_GROUP_IOSCHED -static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, - struct blkio_group *curr_blkg, - bool direction, bool sync) -{ - blkiocg_update_io_add_stats(blkg, pol, curr_blkg, direction, sync); -} - -static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, unsigned long dequeue) -{ - blkiocg_update_dequeue_stats(blkg, pol, dequeue); -} - -static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg, - struct blkio_policy_type *pol, unsigned long time, - unsigned long unaccounted_time) -{ - blkiocg_update_timeslice_used(blkg, pol, time, unaccounted_time); -} - -static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg, - struct blkio_policy_type *pol) -{ - blkiocg_set_start_empty_time(blkg, pol); -} - -static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, bool direction, - bool sync) -{ - blkiocg_update_io_remove_stats(blkg, pol, direction, sync); -} - -static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, bool direction, - bool sync) -{ - blkiocg_update_io_merged_stats(blkg, pol, direction, sync); -} - -static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol) -{ - blkiocg_update_idle_time_stats(blkg, pol); -} - -static inline void -cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol) -{ - blkiocg_update_avg_queue_size_stats(blkg, pol); -} - -static inline void -cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol) -{ - blkiocg_update_set_idle_time_stats(blkg, pol); -} - -static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, uint64_t bytes, - bool direction, bool sync) -{ - blkiocg_update_dispatch_stats(blkg, pol, bytes, direction, sync); -} - -static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, uint64_t start_time, - uint64_t io_start_time, bool direction, bool sync) -{ - blkiocg_update_completion_stats(blkg, pol, start_time, io_start_time, - direction, sync); -} - -#else /* CFQ_GROUP_IOSCHED */ -static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, - struct blkio_group *curr_blkg, bool direction, - bool sync) { } -static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, unsigned long dequeue) { } -static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg, - struct blkio_policy_type *pol, unsigned long time, - unsigned long unaccounted_time) { } -static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg, - struct blkio_policy_type *pol) { } -static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, bool direction, - bool sync) { } -static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, bool direction, - bool sync) { } -static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol) { } -static inline void -cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol) { } - -static inline void -cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol) { } - -static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, uint64_t bytes, - bool direction, bool sync) { } -static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, - struct blkio_policy_type *pol, uint64_t start_time, - uint64_t io_start_time, bool direction, bool sync) { } - -#endif /* CFQ_GROUP_IOSCHED */ -#endif -- 1.7.7.3