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Re: [dm-devel] [PATCH wq#for-2.6.38] workqueue: use WQ_MEM_RECLAIM instead of WQ_RESCUER



Hi,

The GFS2 part of this is already in the -nmw git tree and you acked the
patch when I originally wrote it :-) So it will be merged at the next
merge window,

Steve.

On Fri, 2010-12-31 at 15:01 +0100, Tejun Heo wrote:
> WQ_RESCUER is now an internal flag and should only be used in the
> workqueue implementation proper.  Use WQ_MEM_RECLAIM instead.
> 
> This doesn't introduce any functional difference.
> 
> Signed-off-by: Tejun Heo <tj kernel org>
> Cc: dm-devel redhat com
> Cc: Steven Whitehouse <swhiteho redhat com>
> Cc: Neil Brown <neilb suse de>
> ---
> As this is trivial, I'd like to carry this through the wq tree if
> there's no objection.
> 
> Thank you.
> 
>  drivers/md/md.c    |    2 +-
>  fs/gfs2/glock.c    |    8 ++++----
>  fs/nfs/inode.c     |    2 +-
>  net/sunrpc/sched.c |    2 +-
>  4 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index 84c46a1..66a01f7 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -7287,7 +7287,7 @@ static int __init md_init(void)
>  {
>  	int ret = -ENOMEM;
>  
> -	md_wq = alloc_workqueue("md", WQ_RESCUER, 0);
> +	md_wq = alloc_workqueue("md", WQ_MEM_RECLAIM, 0);
>  	if (!md_wq)
>  		goto err_wq;
>  
> diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
> index f92c177..beea184 100644
> --- a/fs/gfs2/glock.c
> +++ b/fs/gfs2/glock.c
> @@ -1782,12 +1782,12 @@ int __init gfs2_glock_init(void)
>  	}
>  #endif
>  
> -	glock_workqueue = alloc_workqueue("glock_workqueue", WQ_RESCUER |
> -					  WQ_HIGHPRI | WQ_FREEZEABLE, 0);
> +	glock_workqueue = alloc_workqueue("glock_workqueue",
> +				WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_FREEZEABLE, 0);
>  	if (IS_ERR(glock_workqueue))
>  		return PTR_ERR(glock_workqueue);
> -	gfs2_delete_workqueue = alloc_workqueue("delete_workqueue", WQ_RESCUER |
> -						WQ_FREEZEABLE, 0);
> +	gfs2_delete_workqueue = alloc_workqueue("delete_workqueue",
> +					WQ_MEM_RECLAIM | WQ_FREEZEABLE, 0);
>  	if (IS_ERR(gfs2_delete_workqueue)) {
>  		destroy_workqueue(glock_workqueue);
>  		return PTR_ERR(gfs2_delete_workqueue);
> diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
> index 314f571..9403f3f 100644
> --- a/fs/nfs/inode.c
> +++ b/fs/nfs/inode.c
> @@ -1497,7 +1497,7 @@ static int nfsiod_start(void)
>  {
>  	struct workqueue_struct *wq;
>  	dprintk("RPC:       creating workqueue nfsiod\n");
> -	wq = alloc_workqueue("nfsiod", WQ_RESCUER, 0);
> +	wq = alloc_workqueue("nfsiod", WQ_MEM_RECLAIM, 0);
>  	if (wq == NULL)
>  		return -ENOMEM;
>  	nfsiod_workqueue = wq;
> diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
> index 243fc09..2841cc6 100644
> --- a/net/sunrpc/sched.c
> +++ b/net/sunrpc/sched.c
> @@ -908,7 +908,7 @@ static int rpciod_start(void)
>  	 * Create the rpciod thread and wait for it to start.
>  	 */
>  	dprintk("RPC:       creating workqueue rpciod\n");
> -	wq = alloc_workqueue("rpciod", WQ_RESCUER, 0);
> +	wq = alloc_workqueue("rpciod", WQ_MEM_RECLAIM, 0);
>  	rpciod_workqueue = wq;
>  	return rpciod_workqueue != NULL;
>  }



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