Re: Confused about RAW devices ...

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 18 Oct 1999 15:28:59 +0100 (BST)


> >Direct transfer between user data and cache.
> How is this different from traditional devices ?

Oops I mean user data and media .. duh.

> >O_SYNC tells you "write this now" - it is 'write through' caching. The raw
> >devices both read and write directly using the media.
>
> /dev/cdrom does reads too directly using the media ( dunno for writes :-)
> as I pointed out in my post.

The CD code caches blocks in memory.

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