linux-kernel - Re: [PATCH 14/27] BKL: Remove BKL from cramfs

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Date:	Mon, 02 Nov 2009 18:46:20 +0800
From:	Coly Li <coly.li@...e.de>
To:	Jan Blunck <jblunck@...e.de>
Cc:	linux-fsdevel@...r.kernel.org, Matthew Wilcox <matthew@....cx>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	David VomLehn <dvomlehn@...co.com>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH 14/27] BKL: Remove BKL from cramfs

Acked-by: Coly Li <coly.li@...e.de>

On 2009年11月02日 18:04, Jan Blunck Wrote:
> BKL is only used in fill_super. It is safe to remove it.
> 
> Signed-off-by: Jan Blunck <jblunck@...e.de>
> ---
>  fs/cramfs/inode.c |    8 +-------
>  1 files changed, 1 insertions(+), 7 deletions(-)
> 
> diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
> index 13e696a..dd3634e 100644
> --- a/fs/cramfs/inode.c
> +++ b/fs/cramfs/inode.c
> @@ -227,15 +227,11 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
>  	struct cramfs_sb_info *sbi;
>  	struct inode *root;
>  
> -	lock_kernel();
> -
>  	sb->s_flags |= MS_RDONLY;
>  
>  	sbi = kzalloc(sizeof(struct cramfs_sb_info), GFP_KERNEL);
> -	if (!sbi) {
> -		unlock_kernel();
> +	if (!sbi)
>  		return -ENOMEM;
> -	}
>  	sb->s_fs_info = sbi;
>  
>  	/* Invalidate the read buffers on mount: think disk change.. */
> @@ -312,12 +308,10 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
>  		iput(root);
>  		goto out;
>  	}
> -	unlock_kernel();
>  	return 0;
>  out:
>  	kfree(sbi);
>  	sb->s_fs_info = NULL;
> -	unlock_kernel();
>  	return -EINVAL;
>  }
>  

-- 
Coly Li
SuSE Labs
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