Re: Ingo's RAID patch for 2.2.18 final?

Andrea Arcangeli (
Sat, 17 Feb 2001 20:23:31 +0100

On Fri, Feb 16, 2001 at 10:53:51AM -0500, David Mansfield wrote:
> This may be a bit OT, but when you say O_DIRECT, that implies that you
> can pass that flag to open(2) and it will bypass the page cache, and


> read directly into user-space buffers (zero-copy IO)? Does this also


> bypass the read-ahead mechanisms in the kernel? Does it imply O_SYNC?


It's rawio through the fs. It's not included into 2.4-latest yet.

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