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SubjectRe: Locks used in the FAT file system are non-atomic and in fact, don't work on SMP systems
> Already tried this -- it seems to work (this is what the buffer cache is
> using). The other versions of "lock" however are probably broken. Up() and
> Down() also work great. I think the FAT file system probably needs to do
> what you suggest so it wont be broken.

The fat stuff was ok for 2.0 and 2.2 because of the big lock. Its definitely
not safe now. I'll nail that one now

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