Re: Confused about RAW devices ...

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 18 Oct 1999 13:35:01 +0100 (BST)


> I'm confused a bit ? What are those raw devices ?

Direct transfer between user data and cache.

> And even if there were, using the O_SYNC flag should tell the driver :
> "Don't cache this , dude !" and there is no need for new device files.

O_SYNC tells you "write this now" - it is 'write through' caching. The raw
devices both read and write directly using the media.

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