On Mon 24-04-17 09:22:47, Jeff Layton wrote:
> If writepage fails during a page migration, then we need to ensure that
> fsync will see it by flagging the mapping.
>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Looks good to me. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> mm/migrate.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/mm/migrate.c b/mm/migrate.c
> index 738f1d5f8350..3a59830bdae2 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -792,7 +792,11 @@ static int writeout(struct address_space *mapping, struct page *page)
> /* unlocked. Relock */
> lock_page(page);
>
> - return (rc < 0) ? -EIO : -EAGAIN;
> + if (rc < 0) {
> + mapping_set_error(mapping, rc);
> + return -EIO;
> + }
> + return -EAGAIN;
> }
>
> /*
> --
> 2.9.3
>
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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