From: Jan Kara <jack@suse.cz>
To: Xianting Tian <tian.xianting@h3c.com>
Cc: tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ext4: remove the null check of bio_vec page
Date: Wed, 21 Oct 2020 12:25:03 +0200 [thread overview]
Message-ID: <20201021102503.GC19726@quack2.suse.cz> (raw)
In-Reply-To: <20201020082201.34257-1-tian.xianting@h3c.com>
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@h3c.com>
Thanks for the patch. It looks good to me. You can add:
Reviewed-by: Jan Kara <jack@suse.cz>
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@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2020-10-21 10:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-20 8:22 [PATCH] ext4: remove the null check of bio_vec page Xianting Tian
2020-10-21 10:25 ` Jan Kara [this message]
2020-10-23 16:38 ` Tianxianting
2020-10-23 16:56 ` Jan Kara
2020-12-03 8:16 ` Tianxianting
2020-12-03 14:11 ` Theodore Y. Ts'o
2020-12-04 1:27 ` Tianxianting
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