linux-kernel - Re: linux-next: manual merge of the tip tree with the nfs tree

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Date:	Wed, 24 Sep 2014 09:32:42 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Kirill Tkhai <ktkhai@...allels.com>,
	Christoph Hellwig <hch@....de>
Subject: Re: linux-next: manual merge of the tip tree with the nfs tree


* Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi all,
> 
> Today's linux-next merge of the tip tree got conflicts in
> fs/nfs/blocklayout/blocklayoutdev.c and
> fs/nfs/blocklayout/blocklayoutdm.c between commit 871760ce97a9
> ("pnfs/blocklayout: move all rpc_pipefs related code into a single
> file") from the nfs tree and commit f139caf2e897 ("sched, cleanup,
> treewide: Remove set_current_state(TASK_RUNNING) after schedule()")
> from the tip tree.
> 
> I fixed it up (the former move the code in these two files into
> fs/nfs/blocklayout/rpc_pipefs.c, so I deleted the 2 files and applied
> the following merge fix patch) and can carry the fix as necessary (no
> action is required).
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 22 Sep 2014 13:29:19 +1000
> Subject: [PATCH] pnfs: merge fixup for sched cleanup of set_current_state(TASK_RUNNING)
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  fs/nfs/blocklayout/rpc_pipefs.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/fs/nfs/blocklayout/rpc_pipefs.c b/fs/nfs/blocklayout/rpc_pipefs.c
> index 8d04bda2bd2e..e966c023b1b7 100644
> --- a/fs/nfs/blocklayout/rpc_pipefs.c
> +++ b/fs/nfs/blocklayout/rpc_pipefs.c
> @@ -92,7 +92,6 @@ bl_resolve_deviceid(struct nfs_server *server, struct pnfs_block_volume *b,
>  
>  	set_current_state(TASK_UNINTERRUPTIBLE);
>  	schedule();
> -	__set_current_state(TASK_RUNNING);
>  	remove_wait_queue(&nn->bl_wq, &wq);
>  
>  	if (reply->status != BL_DEVICE_REQUEST_PROC) {

Looks good, thanks Stephen!

	Ingo
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