Re: [PATCH v7 0/5] Introduce provisioning primitives

From: Mike Snitzer
Date: Fri May 19 2023 - 10:42:21 EST


On Fri, May 19 2023 at 12:09P -0400,
Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:

> FYI, I really don't think this primitive is a good idea. In the
> concept of non-overwritable storage (NAND, SMR drives) the entire
> concept of a one-shoot 'provisioning' that will guarantee later writes
> are always possible is simply bogus.

Valid point for sure, such storage shouldn't advertise support (and
will return -EOPNOTSUPP).

But the primitive still has utility for other classes of storage.