linux-kernel - Re: REQ_FLUSH, REQ_FUA and open/close of block devices

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Message-ID: <4DD94054.3010003@garzik.org>
Date:	Sun, 22 May 2011 12:56:52 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Christoph Hellwig <hch@...radead.org>
CC:	Alex Bligh <alex@...x.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: REQ_FLUSH, REQ_FUA and open/close of block devices

On 05/22/2011 06:44 AM, Christoph Hellwig wrote:
> And btw, I'd like to know what makes sync_file_range so tempting,
> even after I added documentation explaining why it's almost always
> wrong to use it to the man page.

Because Linus used it to describe how to stream data to disk, such as 
what MythTV does.  Example: 
http://lkml.indiana.edu/hypermail/linux/kernel/0904.0/01076.html

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