Re: block allocation in ext2fs

From: Benhanokh Gabriel (gabrielo@cs.huji.ac.il)
Date: Sun May 07 2000 - 05:21:54 EST


No process will ever get to read those blocks.
they will be overwriten by another unit contected to the same hard disk.
the reason i want to allocate those blocks first, is to avoid conflicits
with 2 machines writting to the same disk

/gaby

> Hi,
>
> On Wed, May 03, 2000 at 06:24:26PM +0300, Benhanokh Gabriel wrote:
> >
> > since i'm gonna do only the allocation and write nothing to the disk,
>
> What are you going to do if a process allocates those blocks and then
> reads them? Return the old contents of the disk blocks? That breaks
> unix semantics and is a huge security hole.
>
> --Stephen
>

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