From patchwork Thu Nov 7 05:52:00 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 3151281 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A425CBEEB2 for ; Thu, 7 Nov 2013 05:52:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3972E205E2 for ; Thu, 7 Nov 2013 05:52:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 17A89205F5 for ; Thu, 7 Nov 2013 05:52:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752707Ab3KGFwn (ORCPT ); Thu, 7 Nov 2013 00:52:43 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:65474 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751964Ab3KGFvY (ORCPT ); Thu, 7 Nov 2013 00:51:24 -0500 X-IronPort-AV: E=Sophos;i="4.93,650,1378828800"; d="scan'208";a="8969158" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 07 Nov 2013 13:47:54 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id rA75pGjZ008358 for ; Thu, 7 Nov 2013 13:51:16 +0800 Received: from adam-work.lan ([10.167.226.24]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2013110713492170-2839073 ; Thu, 7 Nov 2013 13:49:21 +0800 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Cc: quwenruo@cn.fujitsu.com Subject: [PATCH v3 10/17] btrfs: Replace fs_info->rmw_workers workqueue with btrfs_workqueue. Date: Thu, 7 Nov 2013 13:52:00 +0800 Message-Id: <1383803527-23736-11-git-send-email-quwenruo@cn.fujitsu.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1383803527-23736-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1383803527-23736-1-git-send-email-quwenruo@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/11/07 13:49:21, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/11/07 13:49:22, Serialize complete at 2013/11/07 13:49:22 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Replace the fs_info->rmw_workers with the newly created btrfs_workqueue. Signed-off-by: Qu Wenruo --- Changelog: v1->v2: None v2->v3: - Use the btrfs_workqueue_struct to replace rmw_workers. --- fs/btrfs/ctree.h | 2 +- fs/btrfs/disk-io.c | 12 ++++-------- fs/btrfs/raid56.c | 33 +++++++++++++++------------------ 3 files changed, 20 insertions(+), 27 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index e8916e3..89a5411 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1489,7 +1489,7 @@ struct btrfs_fs_info { struct btrfs_workqueue_struct *endio_workers; struct btrfs_workqueue_struct *endio_meta_workers; struct btrfs_workqueue_struct *endio_raid56_workers; - struct btrfs_workers rmw_workers; + struct btrfs_workqueue_struct *rmw_workers; struct btrfs_workqueue_struct *endio_meta_write_workers; struct btrfs_workqueue_struct *endio_write_workers; struct btrfs_workqueue_struct *endio_freespace_worker; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 7099001..d6f5cf7 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1998,7 +1998,7 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info) btrfs_destroy_workqueue(fs_info->endio_workers); btrfs_destroy_workqueue(fs_info->endio_meta_workers); btrfs_destroy_workqueue(fs_info->endio_raid56_workers); - btrfs_stop_workers(&fs_info->rmw_workers); + btrfs_destroy_workqueue(fs_info->rmw_workers); btrfs_destroy_workqueue(fs_info->endio_meta_write_workers); btrfs_destroy_workqueue(fs_info->endio_write_workers); btrfs_destroy_workqueue(fs_info->endio_freespace_worker); @@ -2524,9 +2524,8 @@ int open_ctree(struct super_block *sb, NULL, NULL, flags, max_active, 4); - btrfs_init_workers(&fs_info->rmw_workers, - "rmw", fs_info->thread_pool_size, - &fs_info->generic_worker); + fs_info->rmw_workers = btrfs_alloc_workqueue("rmw", NULL, NULL, flags, + max_active, 2); fs_info->endio_write_workers = btrfs_alloc_workqueue("endio-write", NULL, NULL, flags, @@ -2543,8 +2542,6 @@ int open_ctree(struct super_block *sb, btrfs_init_workers(&fs_info->qgroup_rescan_workers, "qgroup-rescan", 1, &fs_info->generic_worker); - fs_info->rmw_workers.idle_thresh = 2; - fs_info->readahead_workers.idle_thresh = 2; /* @@ -2553,7 +2550,6 @@ int open_ctree(struct super_block *sb, */ ret = btrfs_start_workers(&fs_info->generic_worker); ret |= btrfs_start_workers(&fs_info->fixup_workers); - ret |= btrfs_start_workers(&fs_info->rmw_workers); ret |= btrfs_start_workers(&fs_info->delayed_workers); ret |= btrfs_start_workers(&fs_info->caching_workers); ret |= btrfs_start_workers(&fs_info->readahead_workers); @@ -2567,7 +2563,7 @@ int open_ctree(struct super_block *sb, fs_info->endio_workers && fs_info->endio_meta_workers && fs_info->endio_meta_write_workers && fs_info->endio_write_workers && fs_info->endio_raid56_workers && - fs_info->endio_freespace_worker)) { + fs_info->endio_freespace_worker && fs_info->rmw_workers)) { err = -ENOMEM; goto fail_sb_buffer; } diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index d0ecfbd..c1c68cc 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -88,7 +88,7 @@ struct btrfs_raid_bio { /* * for scheduling work in the helper threads */ - struct btrfs_work work; + struct btrfs_work_struct work; /* * bio list and bio_list_lock are used @@ -167,8 +167,8 @@ struct btrfs_raid_bio { static int __raid56_parity_recover(struct btrfs_raid_bio *rbio); static noinline void finish_rmw(struct btrfs_raid_bio *rbio); -static void rmw_work(struct btrfs_work *work); -static void read_rebuild_work(struct btrfs_work *work); +static void rmw_work(struct btrfs_work_struct *work); +static void read_rebuild_work(struct btrfs_work_struct *work); static void async_rmw_stripe(struct btrfs_raid_bio *rbio); static void async_read_rebuild(struct btrfs_raid_bio *rbio); static int fail_bio_stripe(struct btrfs_raid_bio *rbio, struct bio *bio); @@ -1417,19 +1417,17 @@ cleanup: static void async_rmw_stripe(struct btrfs_raid_bio *rbio) { - rbio->work.flags = 0; - rbio->work.func = rmw_work; + btrfs_init_work(&rbio->work, rmw_work, NULL, NULL); - btrfs_queue_worker(&rbio->fs_info->rmw_workers, - &rbio->work); + btrfs_queue_work(rbio->fs_info->rmw_workers, + &rbio->work); } static void async_read_rebuild(struct btrfs_raid_bio *rbio) { - rbio->work.flags = 0; - rbio->work.func = read_rebuild_work; + btrfs_init_work(&rbio->work, read_rebuild_work, NULL, NULL); - btrfs_queue_worker(&rbio->fs_info->rmw_workers, + btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work); } @@ -1591,7 +1589,7 @@ struct btrfs_plug_cb { struct blk_plug_cb cb; struct btrfs_fs_info *info; struct list_head rbio_list; - struct btrfs_work work; + struct btrfs_work_struct work; }; /* @@ -1655,7 +1653,7 @@ static void run_plug(struct btrfs_plug_cb *plug) * if the unplug comes from schedule, we have to push the * work off to a helper thread */ -static void unplug_work(struct btrfs_work *work) +static void unplug_work(struct btrfs_work_struct *work) { struct btrfs_plug_cb *plug; plug = container_of(work, struct btrfs_plug_cb, work); @@ -1668,10 +1666,9 @@ static void btrfs_raid_unplug(struct blk_plug_cb *cb, bool from_schedule) plug = container_of(cb, struct btrfs_plug_cb, cb); if (from_schedule) { - plug->work.flags = 0; - plug->work.func = unplug_work; - btrfs_queue_worker(&plug->info->rmw_workers, - &plug->work); + btrfs_init_work(&plug->work, unplug_work, NULL, NULL); + btrfs_queue_work(plug->info->rmw_workers, + &plug->work); return; } run_plug(plug); @@ -2083,7 +2080,7 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio, } -static void rmw_work(struct btrfs_work *work) +static void rmw_work(struct btrfs_work_struct *work) { struct btrfs_raid_bio *rbio; @@ -2091,7 +2088,7 @@ static void rmw_work(struct btrfs_work *work) raid56_rmw_stripe(rbio); } -static void read_rebuild_work(struct btrfs_work *work) +static void read_rebuild_work(struct btrfs_work_struct *work) { struct btrfs_raid_bio *rbio;