linux-ext4 - Re: [PATCH 02/26] jbd2: Don't create journal

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]

Message-ID: <20130604160441.GC25160@thunk.org>
Date:	Tue, 4 Jun 2013 12:04:41 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 02/26] jbd2: Don't create journal_head for temporary
 journal buffers

On Fri, May 31, 2013 at 11:42:35AM +0200, Jan Kara wrote:
> When writing metadata to the journal, we create temporary buffer heads
> for that task. We also attach journal heads to these buffer heads but
> the only purpose of the journal heads is to keep buffers linked in
> transaction's BJ_IO list. We remove the need for journal heads by
> reusing buffer_head's b_assoc_buffers list for that purpose. Also since
> BJ_IO list is just a temporary list for transaction commit, we use a
> private list in jbd2_journal_commit_transaction() for that thus removing
> BJ_IO list from transaction completely.
> 
> Reviewed-by: Zheng Liu <wenqing.lz@...bao.com>
> Signed-off-by: Jan Kara <jack@...e.cz>

Applied, thanks.

					- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html