Date: Fri, 05 Aug 2005 23:23:31 -0500 From: Eric Anderson <anderson@centtech.com> To: yfyoufeng@263.net Cc: freebsd-fs@freebsd.org, freebsd-hackers@freebsd.org Subject: Re: Pointers for understanding vfs/buffer/filesystem architecture Message-ID: <42F43B43.9010205@centtech.com> In-Reply-To: <1122889920.2885.2.camel@localhost.localdomain> References: <42E9A0E7.40703@centtech.com> <42EB9005.8080200@gamersimpact.com> <1122889920.2885.2.camel@localhost.localdomain>
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yf-263 wrote: > 在 2005-07-30六的 09:34 -0500，Ryan Sommers写道： > >>Eric Anderson wrote: >> >>>I've very interested in learning about FreeBSD's implementation of >>>vfs/buffer cache/fs archicture. I've read through mckusick@'s chapter >>>in the Design and Implmentation of FreeBSD book, and I've read the UNIX >>>Filesystems book cover to cover. >>> >>>What I'd like to see/read/understand, is how FreeBSD in particular is >>>put together in this regard, and then I'd like to go about writing a >>>very very simple filesystem as a learning excercise. >>> >>>Can anyone give me some pointers? Would anyone be willing to guide me >>>along in my quest by answering questions (off list if preferred, or on >>>list), etc? >>> >>>Thanks in advance for the hints/input! >>>Eric >>> >>> >> >>Best place would be the source code itself. I think the nullfs >>implementation would be a good place (src/sys/fs/nullfs). I thought I >>also remembered some little article on writing an FS for freebsd, >>finding it is eluding me though. > > > I'm also doing the same work. Now I'm working on port our data access > library into the FreeBSD kernel space as a vnode hooks. Hope we can help > each others :) Excellent! I'm looking forward to seeing some alpha code to play with :) I'm still in the R&D mode myself. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------
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