linux-ext4 - Re: [PATCH] ext4: Fix warnings when freezing filesystem with journaled data

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 15 Mar 2023 12:16:11 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: Fix warnings when freezing filesystem with journaled data

On Wed, 8 Mar 2023 15:25:28 +0100, Jan Kara wrote:
> Test generic/390 in data=journal mode often triggers a warning that
> ext4_do_writepages() tries to start a transaction on frozen filesystem.
> This happens because although all dirty data is properly written, jbd2
> checkpointing code writes data through submit_bh() and as a result only
> buffer dirty bits are cleared but page dirty bits stay set. Later when
> the filesystem is frozen, writeback code comes, tries to write
> supposedly dirty pages and the warning triggers. Fix the problem by
> calling sync_filesystem() once more after flushing the whole journal to
> clear stray page dirty bits.
> 
> [...]

Applied, thanks!

[1/1] ext4: Fix warnings when freezing filesystem with journaled data
      commit: 18b7f4107219ef12898b2ee77b8fb6de8887d1b7

Best regards,
-- 
Theodore Ts'o <tytso@....edu>