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Re: XFS/Alpha Blocksize query

To: kieran fulke <kieran@xxxxxxxxxxx>
Subject: Re: XFS/Alpha Blocksize query
From: Eric Sandeen <sandeen@xxxxxxx>
Date: Sat, 19 Oct 2002 09:40:21 -0500 (CDT)
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <62832.62.25.144.218.1035022470.squirrel@secure.albanach.com>
Sender: linux-xfs-bounce@xxxxxxxxxxx
Hi Kieran - 

Originally, XFS only supported page-sized filesystem block sizes.
However, that restriction is now gone, and block sizes < page size also
are supported.

So, originally, mkfs.xfs would make page-sized blocks by default.  Now that
other block sizes are supported as well, the default is 4k.

-Eric

On Sat, 19 Oct 2002, kieran fulke wrote:

> I recall reading on the list somewhere, someone mentioning that XFS and
> other filesystems on alpha-linux would use a blocksize of 8k, given the
> pagesize being the same. having just recently moved / on my alpha over to
> XFS, I noticed this oddity:
        
        (4k blocksize)

> I created that fs with "mkfs.xfs -f -d agcount=3 -l size=24m -L /
> /dev/sda2" intentionally not specifying a blocksize, in any of the
> options, expecting it to use the native 8k pagesize, but it didnt.this isnt a 
> problem in any way, the fs works fine, as to the utilities
> (xfsdump, fsr et al) .. I'm just curious.


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