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Message-ID: <84144f020601230900x477dd21am8d94f382e37c5072@mail.gmail.com>
Date: Mon, 23 Jan 2006 19:00:09 +0200
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Kyle Moffett <mrmacman_g4@mac.com>
Subject: Re: Linux VFS architecture questions
Cc: Antonio Vargas <windenntw@gmail.com>, "Theodore Ts'o" <tytso@mit.edu>,
       John Richard Moser <nigelenki@comcast.net>,
       linux-kernel@vger.kernel.org
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Hi Kyle,

On 1/23/06, Kyle Moffett <mrmacman_g4@mac.com> wrote:
> Great!  I'm trying to learn about filesystem design and
> implementation, which is why I started writing my own hfsplus
> filesystem (otherwise I would have just used the in-kernel one).  Do
> you have any recommended reading (either online or otherwise) for
> someone trying to understand the kernel's VFS and blockdev
> interfaces?  I _think_ I understand the basics of buffer_head,
> super_block, and have some idea of how to use aops, but it's tough
> going trying to find out what functions to call to manage cached disk
> blocks, or under what conditions the various VFS functions are
> called.  I'm trying to write up a "Linux Disk-Based Filesystem
> Developers Guide" based on what I learn, but it's remarkably sparse
> so far.

Did you read Documentation/filesystems/vfs.txt? Also, books Linux
Kernel Development and Understanding the Linux Kernel have fairly good
information on VFS (and related) stuff.

                      Pekka
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