Re: [MC] [CHECKER] Need help on mmap on FUSE (linux user-land file system)
From: Miklos Szeredi
Date: Mon Mar 14 2005 - 05:23:31 EST
> > Forget to mention, we are checking linux 2.6. It appears to us
> > that mmap doesnt' work for FUSE in linux 2.6.
> IIRC, the reason mmap doesn't work on FUSE is because when it
> dirties pages they cannot be flushed reliably, because writing them
> out involves calling a userspace process which may allocate RAM,
Yes. To be precise this only affects writable shared mmap(), which is
not used by the great majority of applications. Any other kind of
memory mapping should work OK.
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