On Sat, 24 Mar 2001, Jack Coates wrote:
> Just thinking here, generally a bad idea... I've been reading the
> Postfix list lately, on which Linux is dissed for a couple of reasons:
>
> a) asynchronous flushing in ext2fs causes lost mail
>
> This is a good reason to diss, and I've been avoiding ext2fs for a while
> now. It looks like ReiserFS is a good choice for a mail queue, but I
> need to verify that.
Dunno...
> b) over-aggressive disk caching in 2.2 kernels causes unneccessary
> churn.
>
> This got me thinking -- does LRP have a disk cache? And if so, why?
> Caching one hunk of system RAM in another is not sensible. So:
/usr/src/linux/drivers/block/rd.c
According to the comments, for a ramdisk the buffer _is_ the ramdisk.
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