Linux-kernel mailing list archive 2000-40,: Re: Disk priorities...

# Re: Disk priorities...

Alexander Viro (viro@math.psu.edu)
Sun, 1 Oct 2000 16:51:52 -0400 (EDT)

- Messages sorted by: [ date ][ thread ][ subject ][ author ]
- Next message: Pierfrancesco Caci: "Re: aic7xxx problem with 2.4.0-test8"
- Previous message: Rik van Riel: "Re: Microsoft Withdraws Linux NTFS Threats"

On Sun, 1 Oct 2000, Rik van Riel wrote:

> > And if you mean reads... Good luck propagating the originator
> > information.
>
> Isn't it the case that for most of the filesystem
> reads the current process is the one that is the
> originator of the request ?

Not true for metadata (consider the access to indirect blocks done by
pageout, for one thing). Besides, even for data it's wide open to abuse -
it doesn't take much to trick another process into populating the caches
for you.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

- Next message: Pierfrancesco Caci: "Re: aic7xxx problem with 2.4.0-test8"
- Previous message: Rik van Riel: "Re: Microsoft Withdraws Linux NTFS Threats"