linux-ext4 - Re: Ordered data mode vs. writeback mode

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] [day] [month] [year] [list]

Message-Id: <1213728127.27507.62.camel@BVR-FS.beaverton.ibm.com>
Date:	Tue, 17 Jun 2008 11:42:07 -0700
From:	Mingming <cmm@...ibm.com>
To:	Gary Hawco <ghawco@....net>
Cc:	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: Ordered data mode vs. writeback mode

On Mon, 2008-06-16 at 22:59 +0000, Gary Hawco wrote:
> Noticed that the newest set of patches in ext4-patch-queue has ordered data
> mode as the default mode again. Tune2fs is now able to switch modes again.
> 
> What is the preferred mode for a home desktop system with ext4? Is
> writeback still the fastest, but ordered data has more data integrity?  And
> does delalloc only work when writeback is enabled?

The update patch queue has patch to support delalloc on new ordered
mode. There seems an issue, Aneesh is debugging it now.

>  And does the commit=XX
> seconds still only work with writeback mode, ala ext3, or is it a valid
> option with ordered data mode?
> 
Should work for both mode.

Mingming

--
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