Re: [PATCH] block: correctly fallback for zeroout

From: Martin K. Petersen
Date: Thu Jun 02 2016 - 23:07:56 EST

>>>>> "Christoph" == Christoph Hellwig <hch@xxxxxxxxxxxxx> writes:

Christoph> As part of that I also removed the strange EOPNOTSUPP ignore,
Christoph> but Mike reverted it just because it changed something in the
Christoph> dm testsuite.


Christoph> I still believe we should never ignore it in this helper, and
Christoph> only do so in callers that believe it's the right thing.


I really wish EOPNOTSUPP would just go away except for ioctl callers.
Now that we have real bi_error I don't understand why we need it.

Martin K. Petersen Oracle Linux Engineering