Re: [ANN] Squashfs 3.0 released
From: Jörn Engel
Date: Fri Mar 17 2006 - 05:38:26 EST
On Fri, 17 March 2006 00:45:42 +0000, Phillip Lougher wrote:
>
> Squashfs 3.0 has finally been released. Squashfs 3.0 is a major
> improvement to Squashfs, and it addresses most of the issues that
> that have been raised, particularly the 4GB filesystem and file
> limit. It can be obtained from the usual address http://
> squashfs.sourceforge.net. There is still some work to be done, in
> particular NFS support which I'll add as soon as I get time. After
> this I'll consider resubmitting patches to the LKML.
>
> From the changelog, the improvements are as follows:
>
> 1. Filesystems are no longer limited to 4 GB. In
> theory 2^64 or 4 exabytes is now supported.
>
> 2. Files are no longer limited to 4 GB. In theory the maximum
> file size is 4 exabytes.
>
> 3. Metadata (inode table and directory tables) are no longer
> restricted to 16 Mbytes.
>
> 4. Hardlinks are now suppported.
>
> 5. Nlink counts are now supported.
>
> 6. Readdir now returns '.' and '..' entries.
>
> 7. Special support for files larger than 256 MB has been
> added to
> the Squashfs kernel code for faster read access.
>
> 8. Inode numbers are now stored within the inode rather than
> being
> computed from inode location on disk (this is not so much an
> improvement, but a change forced by the previously listed
> improvements).
Nice list of improvements. The one still painfully missing is a
fixed-endianness disk format. Would have been a good time to make an
incompatible change and decide on one or the other.
Jörn
--
And spam is a useful source of entropy for /dev/random too!
-- Jasmine Strong
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