Re: [PATCH AUTOSEL 5.8 70/72] nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths

From: Martin Wilck
Date: Mon Aug 10 2020 - 11:38:01 EST


On Sat, 2020-08-08 at 19:35 -0400, Sasha Levin wrote:
> From: Hannes Reinecke <hare@xxxxxxx>
>
> [ Upstream commit fbd6a42d8932e172921c7de10468a2e12c34846b ]
>
> When nvme_round_robin_path() finds a valid namespace we should be
> using it;
> falling back to __nvme_find_path() for non-optimized paths will cause
> the
> result from nvme_round_robin_path() to be ignored for non-optimized
> paths.
>
> Fixes: 75c10e732724 ("nvme-multipath: round-robin I/O policy")
> Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
> Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> ---
> drivers/nvme/host/multipath.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)

Hello Sasha,

this patch needs a fix that I recently submitted to linux-nvme.
The same holds for the respective 5.7 and 5.4 AUTOSEL patches.

http://lists.infradead.org/pipermail/linux-nvme/2020-August/018570.html

Regards,
Martin