From: DervishD <lkml@dervishd.net>
To: Mark Lord <lkml@rtr.ca>
Cc: Brice Goglin <Brice.Goglin@ens-lyon.org>,
Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [SOLVED] USB Storage speed regression since 2.6.12
Date: Thu, 1 Sep 2005 19:29:38 +0200 [thread overview]
Message-ID: <20050901172938.GA207@DervishD> (raw)
In-Reply-To: <43172CD4.3010308@rtr.ca>
Hi Mark :)
* Mark Lord <lkml@rtr.ca> dixit:
> >the new implementation seems to rewrite the fat on every single
> >write (that's the reason of the slowdown, probably), and since I'm
> >not sure about the quality of the flash memory present in the
> >device, it is very probable that it would wear the first sectors
> >:( So I have to mount it 'async' under 2.6.13; I didn't have to do
> >that on older
> Nearly all flashcard devices (CompactFlash, SD, MMC, ..)
> have built-in wear-leveling in the on-card controller logic.
I know, but this device is a very cheap MP3 player, and I'm
afraid that the builtin flash memory is not good enough to have
leveling circuitry... Just in case, using async is good.
Thanks for the advice :)
Raúl Núñez de Arenas Coronado
--
Linux Registered User 88736 | http://www.dervishd.net
http://www.pleyades.net & http://www.gotesdelluna.net
It's my PC and I'll cry if I want to...
next prev parent reply other threads:[~2005-09-01 17:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-01 11:36 USB Storage speed regression since 2.6.12 DervishD
2005-09-01 11:49 ` Brice Goglin
2005-09-01 14:49 ` DervishD
2005-09-01 16:23 ` [SOLVED] " DervishD
2005-09-01 16:31 ` Mark Lord
2005-09-01 17:29 ` DervishD [this message]
2005-09-01 12:29 ` linux-os (Dick Johnson)
2005-09-01 20:12 ` Bill Davidsen
2005-09-01 21:52 ` Andrew Morton
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