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Re: Review of Thomas's >2GB ext2fs proposal

From: Thomas Bushnell BSG
Subject: Re: Review of Thomas's >2GB ext2fs proposal
Date: 17 Aug 2004 02:54:50 -0700
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3

Ognyan Kulev <ogi@fmi.uni-sofia.bg> writes:

> Neal H. Walfield wrote:
> > If that is the case, then I think we should drop the whole reference
> > counting system and have the accessor functions just do a vm_map and
> > vm_unmap as required.
> Surely you don't want ext2_getblk to vm_map/vm_unmap 1024 times the
> same single indirect block for a 4M file when this file is
> read. (ext2_getblk is called for each block when file is read.)

Neal is talking about what to do when the kernel says to page out, I

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