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SubjectRe: [PATCH 0/2] loop: Better discard for block devices
On Tue, 2018-10-30 at 16:06 -0700, Evan Green wrote:
> This series addresses some errors seen when using the loop
> device directly backed by a block device. The first change plumbs
> out the correct error message, and the second change prevents the
> error from occurring in many cases.

Hi Evan,

Can you provide some information about the use case? Why do you think that
it would be useful to support backing a loop device by a block device? Why
to use the loop driver instead of dm-linear for this use case?



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