From: Josh Boyer <jwboyer@gmail.com>
To: Peter Menzebach <pm-mtd@mw-itcon.de>
Cc: linux-mtd@lists.infradead.org
Subject: Re: How to decrease the delay to flush write buffer
Date: Mon, 21 Nov 2005 13:02:54 -0600 [thread overview]
Message-ID: <625fc13d0511211102o7c8ba59aobdd55d0b6f1e3dae@mail.gmail.com> (raw)
In-Reply-To: <4381FB55.5080001@mw-itcon.de>
On 11/21/05, Peter Menzebach <pm-mtd@mw-itcon.de> wrote:
> Hi,
> I am using jffs2 on Atmel dataflash. I encounter sometimes errors like
> "Empty flash at 0x004a7814 ends at 0x004a79c0" and "read_dnode: header
> CRC failed on node at 0x63d670: read 0xffffffff, calculated 0x8f83d3bc".
> My guess at the moment is, that this happens at unclean reboots (power
> off), where the write buffer is not flushed. For dataflash
> CONFIG_JFFS2_FS_WRITEBUFFER is mandatory.
>
> For my purpose this would be avoided more or less completely, if the
> write buffer would be flushed after a delay of some 100 ms instead of
> some seconds. How can I reduce this timer?
http://linux-mtd.infradead.org/faq/jffs2.html
Read "How is ensured, that data is written to flash ?"
josh
prev parent reply other threads:[~2005-11-21 19:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-21 16:52 How to decrease the delay to flush write buffer Peter Menzebach
2005-11-21 19:02 ` Josh Boyer [this message]
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