Re: Fast (intelligent) raid1

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"Peter T. Breuer wrote:"
> "A month of sundays ago Neil Brown wrote:"
> > Rather than having several bitmaps, have just one.  Normally it is
> > full of zero and isn't touched.

Well, this bit was no trouble - it works fine. I'll publish a patch
presently, when I have a few more things in.

> > On hot-add, read the old superblock.  If it looks valid and matches

Yah. Any clues as to what function does that? I need to WRITE the
superblock too, from time to time. I need all the clues I can get. This
must be in md.c, somewhere, right?

Peter
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