Fedora Core 5 common issues and bugs
Alan Cox
alan at redhat.com
Wed Mar 29 23:31:21 UTC 2006
On Wed, Mar 29, 2006 at 12:37:40PM -0500, Peter Jones wrote:
> The block layer (or below) does the bogus prefetch. What inhibits this
> behavior when you're accessing through a filesystem driver?
The file system does the prefetch and it prefetches blocks on a per filebasis
(ie /dev/foo asks for "n, n+1, n+2, n+3
/isofs/frob.rpm asks for "n, next block of frob, next but one of frob..."
> I think we have exactly the same problem there, and people have
> witnessed accesses through the FS fail near the end of the disk with our
> install media. To me, it looks like the same behavior.
Any specific bugzilla #'s ?
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