mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Chao Yu <chao@kernel.org>
To: Zhiguo Niu <niuzhiguo84@gmail.com>
Cc: chao@kernel.org, jaegeuk@kernel.org, stable@kernel.org,
	linux-kernel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v4 2/2] f2fs: fix to zero post-EOF data when extending file size
Date: Tue, 11 Aug 2026 15:17:20 +0800	[thread overview]
Message-ID: <770d2faf-6523-4528-8325-95c9375ec2fd@kernel.org> (raw)
In-Reply-To: <CAHJ8P3K3pBm4DodRGpWpR3PMURUeq811h1+yvp9MtXVcUZ5b2w@mail.gmail.com>

On 8/10/26 16:52, Zhiguo Niu wrote:
> Chao Yu via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>
>> When extending file size (e.g. via truncate, fallocate, or write) across an
>> unaligned EOF boundary, we need to ensure that post-EOF data in the partial
>> page is zeroed out in pagecache and marked dirty, meanwhile, tagging the inode
>> with FI_ZERO_POST_EOF, so that following checkpoint() and fsync() can persist
> Hi Chao,
> It looks like this version doesn't have this flag "FI_ZERO_POST_EOF"？

Thanks for catching this, fixed in v5.

Thanks,

> thanks!

      reply	other threads:[~2026-08-11  7:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-09  1:19 [PATCH v4 1/2] f2fs: fix to off-by-one issue in f2fs_zero_post_eof_page() Chao Yu
2026-08-09  1:19 ` [PATCH v4 2/2] f2fs: fix to zero post-EOF data when extending file size Chao Yu
2026-08-10  8:52   ` [f2fs-dev] " Zhiguo Niu
2026-08-11  7:17     ` Chao Yu [this message]

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=770d2faf-6523-4528-8325-95c9375ec2fd@kernel.org \
    --to=chao@kernel.org \
    --cc=jaegeuk@kernel.org \
    --cc=linux-f2fs-devel@lists.sourceforge.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=niuzhiguo84@gmail.com \
    --cc=stable@kernel.org \
    /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
all inboxes | Powered by JetHome®