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Date:	Wed, 11 Jun 2008 17:06:53 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	Shen Feng <shen@...fujitsu.com>
Cc:	linux-ext4@...r.kernel.org, Mingming Cao <cmm@...ibm.com>,
	Theodore Tso <tytso@....EDU>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Fwd: [PATCH 2/5] ext4: Change the return value of
	ext4_ext_journal_restart]

On Wed, Jun 11, 2008 at 01:56:29PM +0800, Shen Feng wrote:
> 
> ext4_ext_journal_restart does not return the return value
> of ext4_journal_extend and ext4_journal_restart.
> Fix it.
> 
> Signed-off-by: Shen Feng <shen@...fujitsu.com>

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>

We also need to update the defrag patches in the patchqueue to take care
of the change


> ---
>  fs/ext4/extents.c |   19 ++++++++-----------
>  1 files changed, 8 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
> index fa8a578..d4f76d7 100644
> --- a/fs/ext4/extents.c
> +++ b/fs/ext4/extents.c
> @@ -92,17 +92,16 @@ static void ext4_idx_store_pblock(struct ext4_extent_idx *ix, ext4_fsblk_t pb)
>  	ix->ei_leaf_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) & 0xffff);
>  }
> 
> -static handle_t *ext4_ext_journal_restart(handle_t *handle, int needed)
> +static int ext4_ext_journal_restart(handle_t *handle, int needed)
>  {
>  	int err;
> 
>  	if (handle->h_buffer_credits > needed)
> -		return handle;
> -	if (!ext4_journal_extend(handle, needed))
> -		return handle;
> -	err = ext4_journal_restart(handle, needed);
> -
> -	return handle;
> +		return 0;
> +	err = ext4_journal_extend(handle, needed);
> +	if (err)
> +		return err;
> +	return ext4_journal_restart(handle, needed);
>  }
> 
>  /*
> @@ -1885,11 +1884,9 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
>  		credits += 2 * EXT4_QUOTA_TRANS_BLOCKS(inode->i_sb);
>  #endif
> 
> -		handle = ext4_ext_journal_restart(handle, credits);
> -		if (IS_ERR(handle)) {
> -			err = PTR_ERR(handle);
> +		err = ext4_ext_journal_restart(handle, credits);
> +		if (err)
>  			goto out;
> -		}
> 
>  		err = ext4_ext_get_access(handle, inode, path + depth);
>  		if (err)
> -- 
> 1.5.4.5
> 
> 
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