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

From: Jeff Garzik
Date: Sun May 22 2011 - 12:57:06 EST


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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