linux-kernel - Re: [PATCH 1/2] jfs: Jump to error_out when filemap

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Message-ID: <fd3daddc-b529-79e4-5f2a-13099a07e01d@oracle.com>
Date:   Tue, 23 Aug 2016 09:57:11 -0500
From:   Dave Kleikamp <dave.kleikamp@...cle.com>
To:     Quorum Laval <quorum.laval@...il.com>, shaggy@...nel.org
Cc:     jfs-discussion@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] jfs: Jump to error_out when filemap_fdatawait fails

On 08/22/2016 03:28 PM, Quorum Laval wrote:
> filemap_fdatawait may fail, so check the return value and jump to
> error_out in the case of error.
> 
> Signed-off-by: Quorum Laval <quorum.laval@...il.com>

These look good, but I don't see why these shouldn't be combined into a
single patch.

Thanks,
Dave

> ---
>  fs/jfs/resize.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
> index 90b3bc2..b0322da 100644
> --- a/fs/jfs/resize.c
> +++ b/fs/jfs/resize.c
> @@ -379,7 +379,10 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
>  	 * cached in meta-data cache, and not written out
>  	 * by txCommit();
>  	 */
> -	filemap_fdatawait(ipbmap->i_mapping);
> +	rc = filemap_fdatawait(ipbmap->i_mapping);
> +	if (rc)
> +		goto error_out;
> +
>  	filemap_write_and_wait(ipbmap->i_mapping);
>  	diWriteSpecial(ipbmap, 0);
>  
>