linux-kernel - Re: [PATCH] nilfs2: merge list_del()/list_add_tail() to list_move

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Date:	Mon, 21 Mar 2011 00:34:12 +0900 (JST)
From:	Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>
To:	nikai@...ai.net
Cc:	Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>,
	linux-nilfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nilfs2: merge list_del()/list_add_tail() to
 list_move_tail()

On Sat, 19 Mar 2011 16:45:30 +0100, Nicolas Kaiser wrote:
> Merge list_del() + list_add_tail() to list_move_tail().
> 
> Signed-off-by: Nicolas Kaiser <nikai@...ai.net>
> ---
>  fs/nilfs2/inode.c   |    3 +--
>  fs/nilfs2/segment.c |    6 ++----
>  2 files changed, 3 insertions(+), 6 deletions(-)

Thanks, applied both patches.

Ryusuke Konishi

> diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
> index d5625be..84f1b76 100644
> --- a/fs/nilfs2/inode.c
> +++ b/fs/nilfs2/inode.c
> @@ -873,8 +873,7 @@ int nilfs_set_file_dirty(struct inode *inode, unsigned nr_dirty)
>  			return -EINVAL; /* NILFS_I_DIRTY may remain for
>  					   freeing inode */
>  		}
> -		list_del(&ii->i_dirty);
> -		list_add_tail(&ii->i_dirty, &nilfs->ns_dirty_files);
> +		list_move_tail(&ii->i_dirty, &nilfs->ns_dirty_files);
>  		set_bit(NILFS_I_QUEUED, &ii->i_state);
>  	}
>  	spin_unlock(&nilfs->ns_inode_lock);
> diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
> index afe4f21..5deeadd 100644
> --- a/fs/nilfs2/segment.c
> +++ b/fs/nilfs2/segment.c
> @@ -1991,8 +1991,7 @@ static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci,
>  
>  		clear_bit(NILFS_I_QUEUED, &ii->i_state);
>  		set_bit(NILFS_I_BUSY, &ii->i_state);
> -		list_del(&ii->i_dirty);
> -		list_add_tail(&ii->i_dirty, &sci->sc_dirty_files);
> +		list_move_tail(&ii->i_dirty, &sci->sc_dirty_files);
>  	}
>  	spin_unlock(&nilfs->ns_inode_lock);
>  
> @@ -2014,8 +2013,7 @@ static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
>  		clear_bit(NILFS_I_BUSY, &ii->i_state);
>  		brelse(ii->i_bh);
>  		ii->i_bh = NULL;
> -		list_del(&ii->i_dirty);
> -		list_add_tail(&ii->i_dirty, &ti->ti_garbage);
> +		list_move_tail(&ii->i_dirty, &ti->ti_garbage);
>  	}
>  	spin_unlock(&nilfs->ns_inode_lock);
>  }
> -- 
> 1.7.3.4
> --
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