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From: Jens Axboe <axboe@suse.de>
To: Douglas Gilbert <dougg@torque.net>
Cc: Christoph Hellwig <hch@lst.de>,
	James.Bottomley@steeleye.com, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] switch scsi upper driver probing to the driver model
Date: Sat, 17 May 2003 10:32:50 +0200	[thread overview]
Message-ID: <20030517083250.GV812@suse.de> (raw)
In-Reply-To: <3EC5B3B8.9020308@torque.net>

On Sat, May 17 2003, Douglas Gilbert wrote:
>   - the SG_IO ioctl in the block level
>      - limits maximum transfer size to 65536 bytes

Correct, we can remove that though.

>      - does not support mmap-ed IO [and would need
>        something like a reserved buffer concept to do it]

Why should it?

>      - does not support direct IO

False, it uses direct IO all the time if the alignment is correct.

>      - needs work (debuggings)

Know of any bugs?

-- 
Jens Axboe


  parent reply	other threads:[~2003-05-17  8:20 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-16 16:20 [PATCH] switch scsi upper driver probing to the driver model Christoph Hellwig
2003-05-16 23:57 ` Mike Anderson
2003-05-17  2:25   ` Willem Riede
2003-05-17  7:16   ` Christoph Hellwig
2003-05-17  9:17   ` Christoph Hellwig
2003-05-17 16:35     ` Mike Anderson
2003-05-17  9:59   ` Kai Makisara
2003-05-17 15:08     ` Christoph Hellwig
2003-05-17 16:19       ` James Bottomley
2003-05-18  9:35     ` Kai Makisara
2003-05-17  3:59 ` Douglas Gilbert
2003-05-17  7:13   ` Christoph Hellwig
2003-05-19 19:02     ` Greg KH
2003-05-17  8:32   ` Jens Axboe [this message]
2003-05-17 12:52   ` Willem Riede
2003-05-19 21:38 ` Patrick Mansfield

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