Re: fcntl(2) and other file systems like XFS

From: Jamie Lokier (lfs@tantalophile.demon.co.uk)
Date: Tue Mar 21 2000 - 17:47:28 EST


Jeff Garzik wrote:
> On a similar subject, how feasible is it to implement O_DIRECT?
>
> This would be wonderful for video players or other apps which deal with
> things at a filesystem (not raw device) level, but are still smart
> enough to do their own caching. Or deal with such large files that they
> wind up killing your other cached fs data...

For video players, I think you can go a long way with mmap() and
madvise(). (But I haven't tried it).

-- Jamie

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