From: Qu Wenruo Date: Fri, 28 Feb 2014 02:46:11 +0000 (+0800) Subject: btrfs: Replace fs_info->rmw_workers workqueue with btrfs_workqueue. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d05a33ac265c62d4be35788dd978b2665033f077;p=linux-beck.git btrfs: Replace fs_info->rmw_workers workqueue with btrfs_workqueue. Replace the fs_info->rmw_workers with the newly created btrfs_workqueue. Signed-off-by: Qu Wenruo Tested-by: David Sterba Signed-off-by: Josef Bacik --- diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 42bf0da250f5..8102fcd8f1fe 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1511,7 +1511,7 @@ 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 8ce0214e3bac..5f12806e96e8 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2001,7 +2001,7 @@ 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); @@ -2513,9 +2513,8 @@ int open_ctree(struct super_block *sb, btrfs_alloc_workqueue("endio-meta-write", flags, max_active, 2); fs_info->endio_raid56_workers = btrfs_alloc_workqueue("endio-raid56", 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", flags, max_active, 2); fs_info->endio_write_workers = btrfs_alloc_workqueue("endio-write", flags, max_active, 2); fs_info->endio_freespace_worker = @@ -2529,8 +2528,6 @@ 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; /* @@ -2539,7 +2536,6 @@ 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); @@ -2553,7 +2549,7 @@ 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 24ac21840a9a..5afa564201a2 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -87,7 +87,7 @@ 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 @@ -166,8 +166,8 @@ 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); @@ -1416,20 +1416,18 @@ 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, - &rbio->work); + btrfs_queue_work(rbio->fs_info->rmw_workers, + &rbio->work); } /* @@ -1590,7 +1588,7 @@ 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; }; /* @@ -1654,7 +1652,7 @@ 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); @@ -1667,10 +1665,9 @@ 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); @@ -2082,7 +2079,7 @@ 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; @@ -2090,7 +2087,7 @@ 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;