Re: Getting FS access events

H. Peter Anvin
2001-05-16T01:31:05Z

Anton Altaparmakov wrote:
>
> And how are you thinking of this working "without introducing new
> interfaces" if the caches are indeed incoherent? Please correct me if I
> understand wrong, but when two caches are incoherent, I thought it means
> that the above _would_ screw up unless protected by exclusive write locking
> as I suggested in my previous post with the side effect that you can't
> write the boot block without unmounting the filesystem or modifying some
> interface somewhere.
>

Not if direct device acess and the superblock exist in the same mapping
space, OR an explicit interface to write the boot block is created.

-hpa

--
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"Unix gives you enough rope to shoot yourself in the foot."