linux-ext4 - Re: [PATCH 3/3] ext3: pass custom EOF to generic_file_llseek

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Message-ID: <20120430221016.GE10105@quack.suse.cz>
Date:	Tue, 1 May 2012 00:10:16 +0200
From:	Jan Kara <jack@...e.cz>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	Matthew Wilcox <matthew@....cx>, Jan Kara <jack@...e.cz>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	ext4 development <linux-ext4@...r.kernel.org>,
	Andreas Dilger <adilger@...ger.ca>,
	Bernd Schubert <bernd.schubert@...m.fraunhofer.de>
Subject: Re: [PATCH 3/3] ext3: pass custom EOF to generic_file_llseek_size()

On Mon 30-04-12 13:16:04, Eric Sandeen wrote:
> Use the new custom EOF argument to generic_file_llseek_size so
> that SEEK_END will go to the max hash value for htree dirs
> in ext3 rather than to i_size_read()
> 
> Signed-off-by: Eric Sandeen <sandeen@...hat.com>
  Looks good. I suppose you want to merge all three patches at once so:
Acked-by: Jan Kara <jack@...e.cz>

							Honza
> ---
> 
> diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
> index 92490e9..c8fff93 100644
> --- a/fs/ext3/dir.c
> +++ b/fs/ext3/dir.c
> @@ -300,10 +300,11 @@ loff_t ext3_dir_llseek(struct file *file, loff_t offset, int origin)
>  {
>  	struct inode *inode = file->f_mapping->host;
>  	int dx_dir = is_dx_dir(inode);
> +	loff_t htree_max = ext3_get_htree_eof(file);
>  
>  	if (likely(dx_dir))
>  		return generic_file_llseek_size(file, offset, origin,
> -					        ext3_get_htree_eof(file));
> +					        htree_max, htree_max);
>  	else
>  		return generic_file_llseek(file, offset, origin);
>  }
> 
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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