Chris Mason wrote:
> But, it'll be common to mix database files with files that you do want
> checksummed in the same volume. This is an admin level decision, and we
> can easily provide knobs to turn it on/off. So, I think the ioctl is
> really important and we'll just document it as best we can.
I do see now why this ability is desirable, especially if there is a way
to see a file's checksum/COW settings (or better still, to query the
filesystem for which files have certain settings). My initial concern
was that an admin or user may not realize (or forget) a file was left in
an "unprotected" state, but yes, I'm sure there are ways to mitigate
that possibility.
-Joe
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