Re: [PATCH v2 02/17] mm: fix mapping_set_error call in me_pagecache_dirty

From: Jan Kara
Date: Wed Apr 12 2017 - 08:16:27 EST


On Wed 12-04-17 08:05:59, Jeff Layton wrote:
> The error code should be negative. Since this ends up in the default
> case anyway, this is harmless, but it's less confusing to negate it.
> Also, later patches will require a negative error code here.
>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>

Looks good. You can add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

Honza

> ---
> mm/memory-failure.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 27f7210e7fab..4b56e53e5378 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -674,7 +674,7 @@ static int me_pagecache_dirty(struct page *p, unsigned long pfn)
> * the first EIO, but we're not worse than other parts
> * of the kernel.
> */
> - mapping_set_error(mapping, EIO);
> + mapping_set_error(mapping, -EIO);
> }
>
> return me_pagecache_clean(p, pfn);
> --
> 2.9.3
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR