From: Tianxianting <tian.xianting@h3c.com>
To: Jan Kara <jack@suse.cz>, "tytso@mit.edu" <tytso@mit.edu>
Cc: "adilger.kernel@dilger.ca" <adilger.kernel@dilger.ca>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] ext4: remove the null check of bio_vec page
Date: Thu, 3 Dec 2020 08:16:01 +0000 [thread overview]
Message-ID: <6859d08c4dd44de9b7a040c160046359@h3c.com> (raw)
In-Reply-To: <20201023165644.GG9119@quack2.suse.cz>
Thanks Jan
Hi Ted Tso, Could I get your opinion of this patch? thanks
-----Original Message-----
From: Jan Kara [mailto:jack@suse.cz]
Sent: Saturday, October 24, 2020 12:57 AM
To: tianxianting (RD) <tian.xianting@h3c.com>
Cc: Jan Kara <jack@suse.cz>; tytso@mit.edu; adilger.kernel@dilger.ca; linux-ext4@vger.kernel.org; linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ext4: remove the null check of bio_vec page
On Fri 23-10-20 16:38:16, Tianxianting wrote:
> Thanks Jan
> Can be the patch applied?
Ted Tso is the ext4 maintainer so he should eventually pick up and apply the patch. But since there's merge window currently open, I guess he's busy shuffling patches to send to Linus. I'd expect he'll get to your patch in a week or two.
Honza
>
> -----Original Message-----
> From: Jan Kara [mailto:jack@suse.cz]
> Sent: Wednesday, October 21, 2020 6:25 PM
> To: tianxianting (RD) <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
>
> 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
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2020-12-03 8:18 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
2020-10-23 16:38 ` Tianxianting
2020-10-23 16:56 ` Jan Kara
2020-12-03 8:16 ` Tianxianting [this message]
2020-12-03 14:11 ` Theodore Y. Ts'o
2020-12-04 1:27 ` Tianxianting
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=6859d08c4dd44de9b7a040c160046359@h3c.com \
--to=tian.xianting@h3c.com \
--cc=adilger.kernel@dilger.ca \
--cc=jack@suse.cz \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).