Re: [PATCH] ext4: remove the null check of bio_vec page

From: Jan Kara
Date: Wed Oct 21 2020 - 06:25:08 EST


On Tue 20-10-20 16:22:01, Xianting Tian wrote:
> bv_page can't be NULL in a valid bio_vec, so we can remove the NULL check,
> as we did in other places when calling bio_for_each_segment_all() to go
> through all bio_vec of a bio.
>
> Signed-off-by: Xianting Tian <tian.xianting@xxxxxxx>

Thanks for the patch. It looks good to me. You can add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

Honza

> ---
> fs/ext4/page-io.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
> index defd2e10d..cb135a944 100644
> --- a/fs/ext4/page-io.c
> +++ b/fs/ext4/page-io.c
> @@ -111,9 +111,6 @@ static void ext4_finish_bio(struct bio *bio)
> unsigned under_io = 0;
> unsigned long flags;
>
> - if (!page)
> - continue;
> -
> if (fscrypt_is_bounce_page(page)) {
> bounce_page = page;
> page = fscrypt_pagecache_page(bounce_page);
> --
> 2.17.1
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR