Re: 2.3.29: ramdisk still broken.

Mike Galbraith (
Thu, 25 Nov 1999 06:17:39 +0100 (CET)

On Wed, 24 Nov 1999, Tigran Aivazian wrote:

> Hi guys,
> It looks like Bruce Elliot's bugfix patch did not make it into 2.3.29. I
> have a copy here for your review:
> Did people consider his fix (to rd_request() function) at all? I saw no
> discussion but the topic seems to be non-trivial enough to be
> interesting...

(What the heck.. let's see if I understand the basic problem or not)

The way I see it, the ramdisk used to work by making it's data persistent
in the buffer cache. Today, data doesn't live in the buffer cache, it
lives in the page cache. Ergo, the task at hand is to figure out how
to make data in the page cache persistent rather than copying that data
back and forth.

Dear World: please advise if dead wrong ;-)


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