Messages in this thread | | | Date | Thu, 21 Jun 2007 22:43:04 -0700 | From | Reza Roboubi <> | Subject | Re: O_DIRECT, fdatasync_area, mwrite |
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Reza Roboubi wrote: > Linus Torvalds: > > I suspect that this is about a few hundred lines of code (and a lot of > > testing). And you can emulate O_DIRECT behavior with it, along with > > splice (only for page-cache entities, though), and a lot of other > > off-by-one uses. > ( http://lwn.net/2002/0516/a/lt-async.php3 ) > > I have often read this message and wondered why no one has implemented > it yet. We would love to have such clean features instead of O_DIRECT. > At this very moment it's a bit hard for us to do this(given a > prerequisites learning curve amongst other factors.) We may at some > point do it and I'd love to contribute. What _are_ the issues with it, > and is there a technical reason it hasn't been implemented yet by anybody? > > Further, is O_DIRECT to raw partition also unclean?
I know the top guys are very busy; but I'd appreciate just a brief comment on the present situation.
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