Tejun Heo wrote:
Hello, Mark.
Mark Lord wrote:
A suggestion, then. As a follow-up patch, would it be possible
to drop the workaround kludge, and restore the missing SCR access,
__after the first time that a drive is detected on that port__?
Hmmm... yeah. Maybe but it would either involve changing ap->ops on
the fly (which is a big no no) or wrap SCR access such that it returns
-EOPNOTSUPP if the kludge is in effect.
This way, there won't be any funny business for cases where
the same ID might occur on different (non-botched) hardware ?
Probably overkill, though. :)
Missing SCR access doesn't impact direct usage too much, so yeah I
think it should be fine as it is until there's some evidence that the
subsystem IDs are in far wider use.
..
Perfectly sensible!
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