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From: Mark Rosenstand <mark@bootless.dk>
To: linux-kernel@vger.kernel.org
Subject: Re: Extremely poor umass transfer rates
Date: Thu, 28 Apr 2005 20:57:49 +0200	[thread overview]
Message-ID: <1114714669.8326.32.camel@mjollnir.bootless.dk> (raw)
In-Reply-To: <1114714032.8326.27.camel@mjollnir.bootless.dk>

On Thu, 2005-04-28 at 20:47 +0200, Mark Rosenstand wrote:
> > Try mounting the device as root somewhere else without the "sync" flag 
> > and measure the performance that way, to see the difference.
> 
> Wow. That seems to speed things up alot. However I can't unmount it
> again, I keep getting "umount: /media/usbdisk: device is
> busy" (twice(?)). It's been 5 minutes since I did the transfer (4 MB
> file) now.

Err, I accidently mixed up the device names of my keyring and the mp3
player. It works allright.

(It flushes changes to the device when I unmount it now, which takes
around 8 seconds for a 4 MB file.)

Thanks a lot, Paulo!

-- 
  .-.    Mark Rosenstand        (-.)
  oo|                           cc )
 /`'\    (+45) 255 31337      3-n-(
(\_;/)   mark@geekworld.org    _(|/`->


  reply	other threads:[~2005-04-28 18:57 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-28 16:02 Extremely poor umass transfer rates Mark Rosenstand
2005-04-28 16:59 ` Dave Jones
2005-04-28 17:17   ` Randy.Dunlap
2005-04-28 17:55   ` Mark Rosenstand
2005-04-28 18:06     ` Randy.Dunlap
2005-04-28 18:19       ` Paulo Marques
2005-04-28 18:47         ` Mark Rosenstand
2005-04-28 18:57           ` Mark Rosenstand [this message]
2005-04-28 18:32       ` Mark Rosenstand
2005-04-28 18:26     ` Tomasz Torcz
2005-04-28 21:09       ` J.A. Magallon
     [not found] <3YjKy-72a-21@gated-at.bofh.it>
     [not found] ` <3YkGD-7NT-15@gated-at.bofh.it>
     [not found]   ` <3Ylt2-8mA-7@gated-at.bofh.it>
     [not found]     ` <3YlWb-px-35@gated-at.bofh.it>
     [not found]       ` <3YCkl-5lB-21@gated-at.bofh.it>
2005-04-30 20:08         ` Robert Hancock
2005-05-05  3:13           ` Joe
2005-05-05  8:22             ` Greg KH
2005-05-05 18:08               ` Joe
2005-05-05 18:48                 ` Joe
     [not found]             ` <mailman.1115308386.9411.linux-kernel2news@redhat.com>
2005-05-08  0:56               ` Pete Zaitcev

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