Re: Stale super_blocks in 2.2

Phil Auld (pauld@egenera.com)
Tue, 13 Feb 2001 17:34:59 -0500


Alan Cox wrote:
>
> > does not do anything to invalidate the buffers associated with the
> > unmounted device. We then rely on disk change detection on a
> > subsequent mount to prevent us from seeing the old super_block.
>
> 2.2 yes, 2.4 no

That can be a problem for fiber channel devices. I saw some issues with
invalidate_buffers and page caching discussed in 2.4 space. Any reasons
come to mind why I shouldn't call invalidate on the the way down instead
(or in addition)?

Thanks,

Phil

------------------------------------------------------
Philip R. Auld Kernel Engineer
Egenera Corp. pauld@egenera.com
165 Forest St, Marlboro, MA 01752 (508)786-9444
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