hpa: I suspect that you're right -- and Ulrich seems to agree: it's
easier to make glibc work using your convention; we can reassign
the anonymous devices to another major (although that will break
code looking for those.) My suggestion, however, for the on-disk
system, is the following:
If the dev is too big for the current format, stick -1 in the
block pointer used by the current format, and use the N (for
1 <= N <= 4, depending on the filesystem) subsequent block
pointers to hold the real device number.)
I suggest, as you say, a 32:32 split (it's simple).
-hpa
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