Re: patch: reiserfs for 2.3.49

From: Pavel Machek (pavel@suse.cz)
Date: Wed Mar 22 2000 - 06:48:24 EST


Hi!

> > > * Fault handling
> > >
> > > The filesystem must respond cleanly to *all* out-of-memory failures
> > > and media EIO errors. The response to ENOMEM may be to spin
> > > waiting for memory, and EIO may take the filesystem offline, but in
> > > either case when control returns to user space the filesystem must
> > > be in a known state in which all resources used by that syscall are
> > > released and the filesystem can be unmounted.
>
> > >From my games with ext2-over-nbd, I know ext2 fails this test. Make
> > filesystem bigger than partition and watch the hell.
>
> Working correctly in response to operator stupidity is a different
> thing.

It was not exactly operator _stupidity_.

> If your data is toasted there's a limit to what can be recovered. But in
> this case, did you really end up with something non-unmountable? ext2
> should have complained like mad, but it shouldn't have crashed.

It resulted in panic() as far as I can remember. It was long time ago.

                                                                Pavel

-- 
The best software in life is free (not shareware)!		Pavel
GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+

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