linux-ext4 - Re: [PATCH] ext4:an improvement in ext4 feature inline

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Message-ID: <51A210D9.3030703@tao.ma>
Date:	Sun, 26 May 2013 21:40:41 +0800
From:	Tao Ma <tm@....ma>
To:	boxi liu <boxi10liu@...il.com>
CC:	Theodore Tso <tytso@....edu>, Robin Dong <sanbai@...bao.com>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] ext4:an improvement in ext4 feature inline_data

On 05/26/2013 09:19 PM, boxi liu wrote:
> In ext4 feature inline_data,it use the xattr's space to store the
> inline data in inode.When we calculate the inline data as the xattr,we
> add the pad.But in get_max_inline_xattr_value_size() function we count
> the free space without pad.It cause some contents are moved to a block
> even if it can be
> stored in the inode.
> 
> Signed-off-by:liulei <lewis.liulei@...wei.com>
Reviewed-by: Tao Ma <boyu.mt@...bao.com>

Thanks,
Tao
> ---
>  fs/ext4/inline.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
> index c0fd1a1..87758ca 100644
> --- a/fs/ext4/inline.c
> +++ b/fs/ext4/inline.c
> @@ -71,7 +71,7 @@ static int get_max_inline_xattr_value_size(struct
> inode *inode,
>                 entry = (struct ext4_xattr_entry *)
>                         ((void *)raw_inode + EXT4_I(inode)->i_inline_off);
> 
> -               free += le32_to_cpu(entry->e_value_size);
> +               free += EXT4_XATTR_SIZE(le32_to_cpu(entry->e_value_size));
>                 goto out;
>         }
> 
> --
> --
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