[5579] in linux-scsi channel archive

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Re: linux generic SCSI interface 'READ' speed.

daemon@ATHENA.MIT.EDU (Marc SCHAEFER)
Wed Jan 13 10:09:20 1999

To: linux-scsi@vger.rutgers.edu
From: Marc SCHAEFER <schaefer@alphanet.ch>
Date: 	13 Jan 1999 16:01:16 +0100

GOTO Masanori <gotom@cs.titech.ac.jp> wrote:
> I have tried to use RAW disk devices. But AFAIK, it handles with not
> raw but ext2fs disks. The direct I/O is not useful in my goal, unfortunately.
> I also know Linus dislikes to implement the raw I/O device driver.

No, direct IO is supposed to allow file I/O (read(), write(), seek())
bypassing the buffer cache. It does not need an ext2fs on the drive.


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