On Fri, 09 Nov 2007 09:48:22 -0800
Zach Brown <[email protected]> wrote:
>
> >> So reiser and NFS need to be fixed. No?
> >
> > Actually, it is rather mmap() needs to be fixed.
>
> Sure, I'm willing to have that demonstrated. My point was that DIO
> getting the mmap_sem inside i_mutex is currently correct.
>
> reiserfs, though, seems to be out on a more precarious limb ;).
reiserfs is doing tail packing during the file_release call, which has
lots of advantages for removing complexity in file_write.
Without getting into a huge patch, the best fix would just be switching
to try lock. If the tail doesn't get packed, the world doesn't end.
-chris
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