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Re: Block size.

To: Dario Brignardello <dbrignar@xxxxxxxxxxxx>
Subject: Re: Block size.
From: Keith Owens <kaos@xxxxxxxxxxxxxxxxx>
Date: Tue, 04 Sep 2001 22:25:24 +1000
Cc: "linux-xfs@xxxxxxxxxxx" <linux-xfs@xxxxxxxxxxx>
In-reply-to: Your message of "Tue, 04 Sep 2001 08:49:45 -0300." <3B94BFD9.83E09CEE@xxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Tue, 04 Sep 2001 08:49:45 -0300, 
Dario Brignardello <dbrignar@xxxxxxxxxxxx> wrote:
>        Sorry for bother with a newbie question, but I didn't find the
>answer in the FAQ:-). I would like to now the reasons (technically
>speaking) for the max block size to be fixed at 4K in linux

It is a restriction of the Linux VM subsystem, at the moment file block
size must equal hardware page size.  There is work in progress to
remove the restriction, but it is kernel 2.5 code.

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