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Re: Guaranteed datarate (Was: Re: does it work on 2.4.4)

To: "Marcelo E. Magallon" <marcelo.magallon@xxxxxxxxxxx>
Subject: Re: Guaranteed datarate (Was: Re: does it work on 2.4.4)
From: Austin Gonyou <austin@xxxxxxxxxxxxxxx>
Date: Sat, 2 Jun 2001 12:14:42 -0500 (CDT)
Cc: "SCHOENWETTER,SEBASTIAN (HP-Belgium,ex1)" <sebastian_schoenwetter@xxxxxx>, Rahul Jain <rahul@xxxxxxxx>, <linux-xfs@xxxxxxxxxxx>
In-reply-to: <20010602133635.A914@xxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
Points well taken!

-- 
Austin Gonyou
Systems Architect, CCNA
Coremetrics, Inc.
Phone: 512-796-9023
email: austin@xxxxxxxxxxxxxxx

On Sat, 2 Jun 2001, Marcelo E. Magallon wrote:

> >> "SCHOENWETTER,SEBASTIAN (HP-Belgium,ex1)" <sebastian_schoenwetter@xxxxxx> 
> >> writes:
>
>  > But is that due to a good CPU which is able to handle all those
>  > tasks, good scsi setup, ... ?
>
>  That's likely.  Guaranteed rate I/O (GRIO) works only with XFS
>  filesystems (this is true on IRIX) and not on Linux.
>
>  Just to clarify: Someone asked why the XFS patch is so large.  I just
>  said the XFS patch also includes some GRIO stuff.  I didn't mean to say
>  that the feature is implemented on Linux (in fact, it's not, if you use
>  the corresponding ioctl it will return ENOSYS).  Remember that XFS is
>  not Linux specific, and it'd be a nightmare to maintain two completely
>  different source trees, one for Linux and one for IRIX.
>
>


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