Date: Fri, 24 Oct 1997 01:37:03 +0930 From: Mike Smith <mike@smith.net.au> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: hackers@FreeBSD.ORG Subject: Re: zipfs filesystem anyone ? Message-ID: <199710231607.BAA01020@word.smith.net.au> In-Reply-To: Your message of "Thu, 23 Oct 1997 07:38:26 %2B0100." <199710230638.HAA26030@labinfo.iet.unipi.it>
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> Thus, I was looking at something which would pass all filesystem > (or vn ?) calls to some user-space process which could then handle > them properly. Look at the 'rumba' port for an example of using the NFS interface to achieve this. > NOTE 2: Why ZIP and not .tar.gz > > Implementing such a "filesystem" in user space is much easier if the > directory structure is directly available in the archive, rather than > being scattered all around and mixed with data. gzipped tar files have > this problem: you need to decompress data before being able to use > them. Conversely, I think zip archives have the directory structure in > clear and so it is easier to move through the tree, and decompression > is only necessary on the single components. You are correct; gzipped tarfiles are organised the wrong way around (metadata inside the compressed envelope), while zipfiles keep the metadata outside. mike
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