[Ocfs2-devel] [PATCH 1/2] ocfs2: no need flush workqueue before destroying it

[Joseph Qi <jiangqi903@gmail.com>]

On 17/10/13 15:00, piaojun wrote:
> destroy_workqueue() will do flushing work for us.
> 
> Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>

> ---
>  fs/ocfs2/dlm/dlmdomain.c | 1 -
>  fs/ocfs2/dlmfs/dlmfs.c   | 1 -
>  fs/ocfs2/super.c         | 4 +---
>  3 files changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
> index a2b19fb..e1fea14 100644
> --- a/fs/ocfs2/dlm/dlmdomain.c
> +++ b/fs/ocfs2/dlm/dlmdomain.c
> @@ -394,7 +394,6 @@ int dlm_domain_fully_joined(struct dlm_ctxt *dlm)
>  static void dlm_destroy_dlm_worker(struct dlm_ctxt *dlm)
>  {
>  	if (dlm->dlm_worker) {
> -		flush_workqueue(dlm->dlm_worker);
>  		destroy_workqueue(dlm->dlm_worker);
>  		dlm->dlm_worker = NULL;
>  	}
> diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
> index 9ab9e18..edce7b5 100644
> --- a/fs/ocfs2/dlmfs/dlmfs.c
> +++ b/fs/ocfs2/dlmfs/dlmfs.c
> @@ -670,7 +670,6 @@ static void __exit exit_dlmfs_fs(void)
>  {
>  	unregister_filesystem(&dlmfs_fs_type);
> 
> -	flush_workqueue(user_dlm_worker);
>  	destroy_workqueue(user_dlm_worker);
> 
>  	/*
> diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
> index 8073349..040bbb6 100644
> --- a/fs/ocfs2/super.c
> +++ b/fs/ocfs2/super.c
> @@ -2521,10 +2521,8 @@ static void ocfs2_delete_osb(struct ocfs2_super *osb)
>  	/* This function assumes that the caller has the main osb resource */
> 
>  	/* ocfs2_initializer_super have already created this workqueue */
> -	if (osb->ocfs2_wq) {
> -		flush_workqueue(osb->ocfs2_wq);
> +	if (osb->ocfs2_wq)
>  		destroy_workqueue(osb->ocfs2_wq);
> -	}
> 
>  	ocfs2_free_slot_info(osb);
>