[PATCHv2 2/3] nvme-multipath: rescan siblings on last path removal

[Keith Busch]

On Fri, Feb 27, 2026 at 12:29:00PM +0530, Nilay Shroff wrote:
> Should we consider reordering patches 2/3 and 3/3? It seems like this
> patch depends on the changes introduced in 3/3. 
> 
> Without the updates from 3/3, if delayed head removal is still in effect
> and the NSIDs are recycled with mismatched identifiers, a forced rescan
> of the sibling controller may still fail to instantiate the namespace.
> In that case, requeueing the scan alone might not be sufficient.

But the other way around, if we're racing with another controller's scan
to complete the last path removal, then the delayed work hasn't been
scheduled yet so patch 3 has a significant gap without patch 2 preceding
it.