From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:58193 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752149AbaB1Cp3 (ORCPT ); Thu, 27 Feb 2014 21:45:29 -0500 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 s1S2jJVI017671 for ; Fri, 28 Feb 2014 10:45:20 +0800 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v5 12/18] btrfs: Replace fs_info->readahead_workers workqueue with btrfs_workqueue. Date: Fri, 28 Feb 2014 10:46:13 +0800 Message-Id: <1393555579-11271-13-git-send-email-quwenruo@cn.fujitsu.com> In-Reply-To: <1393555579-11271-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1393555579-11271-1-git-send-email-quwenruo@cn.fujitsu.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Replace the fs_info->readahead_workers with the newly created btrfs_workqueue. Signed-off-by: Qu Wenruo Tested-by: David Sterba --- Changelog: v1->v2: None v2->v3: - Use the btrfs_workqueue_struct to replace submit_workers. v3->v4: - Use the simplified btrfs_alloc_workqueue API. v4->v5: None --- fs/btrfs/ctree.h | 2 +- fs/btrfs/disk-io.c | 12 ++++-------- fs/btrfs/reada.c | 9 +++++---- fs/btrfs/super.c | 2 +- 4 files changed, 11 insertions(+), 14 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 06a64fb..3d6f490 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1517,7 +1517,7 @@ struct btrfs_fs_info { struct btrfs_workqueue_struct *endio_freespace_worker; struct btrfs_workqueue_struct *submit_workers; struct btrfs_workqueue_struct *caching_workers; - struct btrfs_workers readahead_workers; + struct btrfs_workqueue_struct *readahead_workers; /* * fixup workers take dirty pages that didn't properly go through diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 391cadf..ca6d0cf 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2004,7 +2004,7 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info) btrfs_destroy_workqueue(fs_info->submit_workers); btrfs_stop_workers(&fs_info->delayed_workers); btrfs_destroy_workqueue(fs_info->caching_workers); - btrfs_stop_workers(&fs_info->readahead_workers); + btrfs_destroy_workqueue(fs_info->readahead_workers); btrfs_destroy_workqueue(fs_info->flush_workers); btrfs_stop_workers(&fs_info->qgroup_rescan_workers); } @@ -2518,14 +2518,11 @@ int open_ctree(struct super_block *sb, btrfs_init_workers(&fs_info->delayed_workers, "delayed-meta", fs_info->thread_pool_size, &fs_info->generic_worker); - btrfs_init_workers(&fs_info->readahead_workers, "readahead", - fs_info->thread_pool_size, - &fs_info->generic_worker); + fs_info->readahead_workers = + btrfs_alloc_workqueue("readahead", flags, max_active, 2); btrfs_init_workers(&fs_info->qgroup_rescan_workers, "qgroup-rescan", 1, &fs_info->generic_worker); - fs_info->readahead_workers.idle_thresh = 2; - /* * btrfs_start_workers can really only fail because of ENOMEM so just * return -ENOMEM if any of these fail. @@ -2533,7 +2530,6 @@ 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->delayed_workers); - ret |= btrfs_start_workers(&fs_info->readahead_workers); ret |= btrfs_start_workers(&fs_info->qgroup_rescan_workers); if (ret) { err = -ENOMEM; @@ -2545,7 +2541,7 @@ int open_ctree(struct super_block *sb, fs_info->endio_meta_write_workers && fs_info->endio_write_workers && fs_info->endio_raid56_workers && fs_info->endio_freespace_worker && fs_info->rmw_workers && - fs_info->caching_workers)) { + fs_info->caching_workers && fs_info->readahead_workers)) { err = -ENOMEM; goto fail_sb_buffer; } diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 31c797c..9e01d36 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -91,7 +91,8 @@ struct reada_zone { }; struct reada_machine_work { - struct btrfs_work work; + struct btrfs_work_struct + work; struct btrfs_fs_info *fs_info; }; @@ -733,7 +734,7 @@ static int reada_start_machine_dev(struct btrfs_fs_info *fs_info, } -static void reada_start_machine_worker(struct btrfs_work *work) +static void reada_start_machine_worker(struct btrfs_work_struct *work) { struct reada_machine_work *rmw; struct btrfs_fs_info *fs_info; @@ -793,10 +794,10 @@ static void reada_start_machine(struct btrfs_fs_info *fs_info) /* FIXME we cannot handle this properly right now */ BUG(); } - rmw->work.func = reada_start_machine_worker; + btrfs_init_work(&rmw->work, reada_start_machine_worker, NULL, NULL); rmw->fs_info = fs_info; - btrfs_queue_worker(&fs_info->readahead_workers, &rmw->work); + btrfs_queue_work(fs_info->readahead_workers, &rmw->work); } #ifdef DEBUG diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index cd52e20..56c5533 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1329,7 +1329,7 @@ static void btrfs_resize_thread_pool(struct btrfs_fs_info *fs_info, btrfs_workqueue_set_max(fs_info->endio_write_workers, new_pool_size); btrfs_workqueue_set_max(fs_info->endio_freespace_worker, new_pool_size); btrfs_set_max_workers(&fs_info->delayed_workers, new_pool_size); - btrfs_set_max_workers(&fs_info->readahead_workers, new_pool_size); + btrfs_workqueue_set_max(fs_info->readahead_workers, new_pool_size); btrfs_set_max_workers(&fs_info->scrub_wr_completion_workers, new_pool_size); } -- 1.9.0