From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:26950 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751119Ab3KGFvX (ORCPT ); Thu, 7 Nov 2013 00:51:23 -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 rA75pFA2008341 for ; Thu, 7 Nov 2013 13:51:16 +0800 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Cc: quwenruo@cn.fujitsu.com Subject: [PATCH v3 07/17] btrfs: Replace fs_info->submit_workers with btrfs_workqueue. Date: Thu, 7 Nov 2013 13:51:57 +0800 Message-Id: <1383803527-23736-8-git-send-email-quwenruo@cn.fujitsu.com> In-Reply-To: <1383803527-23736-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1383803527-23736-1-git-send-email-quwenruo@cn.fujitsu.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Much like the fs_info->workers, replace the fs_info->submit_workers use the same btrfs_workqueue. Signed-off-by: Qu Wenruo --- Changelog: v1->v2: None v2->v3: None --- fs/btrfs/ctree.h | 2 +- fs/btrfs/disk-io.c | 22 +++++++++++----------- fs/btrfs/super.c | 2 +- fs/btrfs/volumes.c | 11 ++++++----- fs/btrfs/volumes.h | 2 +- 5 files changed, 20 insertions(+), 19 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f38285e..3edb9e6 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1493,7 +1493,7 @@ struct btrfs_fs_info { struct btrfs_workers endio_meta_write_workers; struct btrfs_workers endio_write_workers; struct btrfs_workers endio_freespace_worker; - struct btrfs_workers submit_workers; + struct btrfs_workqueue_struct *submit_workers; struct btrfs_workers caching_workers; struct btrfs_workers readahead_workers; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index ed2eb52..ec474c8 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2003,7 +2003,7 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info) btrfs_stop_workers(&fs_info->endio_meta_write_workers); btrfs_stop_workers(&fs_info->endio_write_workers); btrfs_stop_workers(&fs_info->endio_freespace_worker); - btrfs_stop_workers(&fs_info->submit_workers); + btrfs_destroy_workqueue(fs_info->submit_workers); btrfs_stop_workers(&fs_info->delayed_workers); btrfs_stop_workers(&fs_info->caching_workers); btrfs_stop_workers(&fs_info->readahead_workers); @@ -2493,18 +2493,18 @@ int open_ctree(struct super_block *sb, btrfs_init_workers(&fs_info->flush_workers, "flush_delalloc", fs_info->thread_pool_size, NULL); - btrfs_init_workers(&fs_info->submit_workers, "submit", - min_t(u64, fs_devices->num_devices, - fs_info->thread_pool_size), NULL); - - btrfs_init_workers(&fs_info->caching_workers, "cache", - fs_info->thread_pool_size, NULL); - /* a higher idle thresh on the submit workers makes it much more * likely that bios will be send down in a sane order to the * devices */ - fs_info->submit_workers.idle_thresh = 64; + fs_info->submit_workers = btrfs_alloc_workqueue("submit", NULL, NULL, + flags, min_t(u64, + fs_devices->num_devices, + max_active), 64); + + btrfs_init_workers(&fs_info->caching_workers, "cache", + fs_info->thread_pool_size, NULL); + btrfs_init_workers(&fs_info->fixup_workers, "fixup", 1, &fs_info->generic_worker); @@ -2555,7 +2555,6 @@ int open_ctree(struct super_block *sb, * return -ENOMEM if any of these fail. */ ret = btrfs_start_workers(&fs_info->generic_worker); - ret |= btrfs_start_workers(&fs_info->submit_workers); ret |= btrfs_start_workers(&fs_info->fixup_workers); ret |= btrfs_start_workers(&fs_info->endio_workers); ret |= btrfs_start_workers(&fs_info->endio_meta_workers); @@ -2573,7 +2572,8 @@ int open_ctree(struct super_block *sb, err = -ENOMEM; goto fail_sb_buffer; } - if (!(fs_info->workers && fs_info->delalloc_workers)) { + if (!(fs_info->workers && fs_info->delalloc_workers && + fs_info->submit_workers)) { err = -ENOMEM; goto fail_sb_buffer; } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 6f0d206..4c5b4f2 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1248,7 +1248,7 @@ static void btrfs_resize_thread_pool(struct btrfs_fs_info *fs_info, btrfs_set_max_workers(&fs_info->generic_worker, new_pool_size); btrfs_workqueue_set_max(fs_info->workers, new_pool_size); btrfs_workqueue_set_max(fs_info->delalloc_workers, new_pool_size); - btrfs_set_max_workers(&fs_info->submit_workers, new_pool_size); + btrfs_workqueue_set_max(fs_info->submit_workers, new_pool_size); btrfs_set_max_workers(&fs_info->caching_workers, new_pool_size); btrfs_set_max_workers(&fs_info->fixup_workers, new_pool_size); btrfs_set_max_workers(&fs_info->endio_workers, new_pool_size); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 1bd573d..321a687 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -416,7 +416,8 @@ loop_lock: device->running_pending = 1; spin_unlock(&device->io_lock); - btrfs_requeue_work(&device->work); + btrfs_queue_work(fs_info->submit_workers, + &device->work); goto done; } /* unplug every 64 requests just for good measure */ @@ -440,7 +441,7 @@ done: blk_finish_plug(&plug); } -static void pending_bios_fn(struct btrfs_work *work) +static void pending_bios_fn(struct btrfs_work_struct *work) { struct btrfs_device *device; @@ -5372,8 +5373,8 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, spin_unlock(&device->io_lock); if (should_queue) - btrfs_queue_worker(&root->fs_info->submit_workers, - &device->work); + btrfs_queue_work(root->fs_info->submit_workers, + &device->work); } static int bio_size_ok(struct block_device *bdev, struct bio *bio, @@ -5651,7 +5652,7 @@ struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info, else generate_random_uuid(dev->uuid); - dev->work.func = pending_bios_fn; + btrfs_init_work(&dev->work, pending_bios_fn, NULL, NULL); return dev; } diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index b72f540..ab897cb 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -91,7 +91,7 @@ struct btrfs_device { /* per-device scrub information */ struct scrub_ctx *scrub_device; - struct btrfs_work work; + struct btrfs_work_struct work; struct rcu_head rcu; struct work_struct rcu_work; -- 1.8.4.2