On Friday 06 September 2002 03:08, Andrew Morton wrote:
> Should we be forcibly unmapping the pages from pagetables? That would
> result in them being faulted in again, and re-read.
There's no conceptual difficulty if it's a truncate. For NFS, maybe
the thing to do is hold ->sem long enough to do whatever dark magic
NFS needs?
> That might work. It's a bit of a hassle that ->releasepage() must
> be nonblocking, but generally it just wants to grab locks, decrement
> refcounts and free things.
Err. I really really wonder why the vfs is not supposed to know
about these goings on, to the extent of being able to take care of
them itself.
-- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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