Re: [PATCH 1/2] jfs: Jump to error_out when filemap_fdatawait fails

From: Dave Kleikamp
Date: Tue Aug 23 2016 - 13:17:58 EST


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@xxxxxxxxx>

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);
>
>