Mailinglist Archive: opensuse (1239 mails)

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Re: [opensuse] XFS and openSUSE 12.1
  • From: Greg Freemyer <greg.freemyer@xxxxxxxxx>
  • Date: Mon, 3 Jun 2013 17:49:18 -0400
  • Message-id: <>
On Mon, Jun 3, 2013 at 4:48 PM, Carlos E. R.
<robin.listas@xxxxxxxxxxxxxx> wrote:
On 2013-06-03 18:52, Greg Freemyer wrote:

In general for streaming i/o loads I think it is a good thing. dd as
an example has an option to use O_DIRECT for the i/o. For a normal
random i/o workload it is probably horrible.

I don't see O_DIRECT mentioned in the dd man page :-?

It's not, they call it "direct I/O". As in:


You would have to use strace to verify that it causes the O_DIRECT
flag to be passed to open, but I'm pretty sure.

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