They can be taught to all the FS's. The hotfix callback during ead
errors would query the FS and ask for any corresponding sectors that are
either in the cache, or on a valid mirror. Yes, the hotfixing code acts
as an event (interrupt thread).
Jeff
Alan Cox wrote:
>
> > separate (Hotfix and mirrroing ARE independent of NWFS even in Netware),
> > however, there are fault tolerant dependencies that allow NWFS to handle
> > some very complex data failure and recovery conditions not available
> > with most other FS's. It is possible to implement without it, but then
>
> But can those be taught to another FS ?
>
> > drivers and the buffer cache. There's no obvious method of supporting
> > async callbacks (which will increase file system performance by several
> > hundred percent).
>
> This is callbacks on an I/O completion ? So you can execute some piece of fs
> code in driver context ?
>
> Alan
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