Date: Fri, 19 Jul 96 14:11:07 +0200 From: Lars Gerhard Kuehl <lars@elbe.desy.de> To: heo@cslsun10.sogang.ac.kr Cc: freebsd-fs@FreeBSD.org Subject: Re: About buffer cache Message-ID: <9607191211.AA20344@elbe.desy.de>
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a) How many of your mails shall we have to read?
b)
> 3) How can I enlarge the part for buffer cache in physical memory?
> 4) How can user process access the file in ufs filesystem through raw disk?
Why do you want to enlarge the buffer cache if you are going to access
the filesystem through the raw device? The way to do the latter you can
easily find in the fsck(8) sources. But if you use the raw disk you have
to manage buffering for yourself and of course in order to keep
your data in a consistant state, the file system must not be mounted.
c) How about an mmap(2) aproach? FreeBSD is the OS of choice for that
purpose.
Lars
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