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Commit fc97fab0 authored by Qu Wenruo's avatar Qu Wenruo Committed by Josef Bacik
Browse files

btrfs: Replace fs_info->qgroup_rescan_worker workqueue with btrfs_workqueue. 



Replace the fs_info->qgroup_rescan_worker with the newly created
btrfs_workqueue.

Signed-off-by: default avatarQu Wenruo <quwenruo@cn.fujitsu.com>
Tested-by: default avatarDavid Sterba <dsterba@suse.cz>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
parent 5b3bc44e

fs/btrfs/ctree.h

+2 −2
Original line number Diff line number Diff line
@@ -1648,9 +1648,9 @@ struct btrfs_fs_info { 
	/* qgroup rescan items */

	struct mutex qgroup_rescan_lock; /* protects the progress item */

	struct btrfs_key qgroup_rescan_progress;

	struct btrfs_workers qgroup_rescan_workers;

	struct btrfs_workqueue_struct *qgroup_rescan_workers;

	struct completion qgroup_rescan_completion;

	struct btrfs_work qgroup_rescan_work;

	struct btrfs_work_struct qgroup_rescan_work;



	/* filesystem state */

	unsigned long fs_state;

fs/btrfs/disk-io.c

+5 −5
Original line number Diff line number Diff line
@@ -2010,7 +2010,7 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info) 
	btrfs_destroy_workqueue(fs_info->caching_workers);

	btrfs_destroy_workqueue(fs_info->readahead_workers);

	btrfs_destroy_workqueue(fs_info->flush_workers);

	btrfs_stop_workers(&fs_info->qgroup_rescan_workers);

	btrfs_destroy_workqueue(fs_info->qgroup_rescan_workers);

}



static void free_root_extent_buffers(struct btrfs_root *root)
@@ -2523,15 +2523,14 @@ int open_ctree(struct super_block *sb, 
		btrfs_alloc_workqueue("delayed-meta", flags, max_active, 0);

	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->qgroup_rescan_workers =

		btrfs_alloc_workqueue("qgroup-rescan", flags, 1, 0);



	/*

	 * btrfs_start_workers can really only fail because of ENOMEM so just

	 * return -ENOMEM if any of these fail.

	 */

	ret = btrfs_start_workers(&fs_info->generic_worker);

	ret |= btrfs_start_workers(&fs_info->qgroup_rescan_workers);

	if (ret) {

		err = -ENOMEM;

		goto fail_sb_buffer;
@@ -2543,7 +2542,8 @@ int open_ctree(struct super_block *sb, 
	      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->readahead_workers &&

	      fs_info->fixup_workers && fs_info->delayed_workers)) {

	      fs_info->fixup_workers && fs_info->delayed_workers &&

	      fs_info->qgroup_rescan_workers)) {

		err = -ENOMEM;

		goto fail_sb_buffer;

	}

fs/btrfs/qgroup.c

+9 −8
Original line number Diff line number Diff line
@@ -1509,7 +1509,7 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, 
		ret = qgroup_rescan_init(fs_info, 0, 1);

		if (!ret) {

			qgroup_rescan_zero_tracking(fs_info);

			btrfs_queue_worker(&fs_info->qgroup_rescan_workers,

			btrfs_queue_work(fs_info->qgroup_rescan_workers,

					 &fs_info->qgroup_rescan_work);

		}

		ret = 0;
@@ -1984,7 +1984,7 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, 
	return ret;

}



static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)

static void btrfs_qgroup_rescan_worker(struct btrfs_work_struct *work)

{

	struct btrfs_fs_info *fs_info = container_of(work, struct btrfs_fs_info,

						     qgroup_rescan_work);
@@ -2095,7 +2095,8 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid, 


	memset(&fs_info->qgroup_rescan_work, 0,

	       sizeof(fs_info->qgroup_rescan_work));

	fs_info->qgroup_rescan_work.func = btrfs_qgroup_rescan_worker;

	btrfs_init_work(&fs_info->qgroup_rescan_work,

			btrfs_qgroup_rescan_worker, NULL, NULL);



	if (ret) {

err:
@@ -2158,7 +2159,7 @@ btrfs_qgroup_rescan(struct btrfs_fs_info *fs_info) 


	qgroup_rescan_zero_tracking(fs_info);



	btrfs_queue_worker(&fs_info->qgroup_rescan_workers,

	btrfs_queue_work(fs_info->qgroup_rescan_workers,

			 &fs_info->qgroup_rescan_work);



	return 0;
@@ -2190,6 +2191,6 @@ void 
btrfs_qgroup_rescan_resume(struct btrfs_fs_info *fs_info)

{

	if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN)

		btrfs_queue_worker(&fs_info->qgroup_rescan_workers,

		btrfs_queue_work(fs_info->qgroup_rescan_workers,

				 &fs_info->qgroup_rescan_work);

}