[PATCH V2 0/2] nvme: replace linked list with xarray for ns tracking

[Christoph Hellwig]

On Tue, Jun 30, 2020 at 07:25:15PM -0700, Chaitanya Kulkarni wrote:
> Hi,
> 
> This is a small patch-series which replaces ctrl->namespaces with
> xarray for host-core and target-core. We can see following
> performance improvement when running fio with 32 parallel jobs where
> first 16 namespaces and last 16 namespaces are used for I/O. See [1] for
> detailed performance numbers. 

Why would that make any difference given that we don't look up namespaces
in the I/O path?