linux-kernel - Re: [PATCH AUTOSEL 5.8 70/72] nvme-multipath: do not fall back to __nvme_find

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Message-ID: <1899fe01e1eb5c23270541e1833b12365818c150.camel@suse.com>
Date:   Mon, 10 Aug 2020 17:37:54 +0200
From:   Martin Wilck <mwilck@...e.com>
To:     Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Cc:     Hannes Reinecke <hare@...e.de>, Sagi Grimberg <sagi@...mberg.me>,
        Christoph Hellwig <hch@....de>, linux-nvme@...ts.infradead.org
Subject: Re: [PATCH AUTOSEL 5.8 70/72] nvme-multipath: do not fall back to
 __nvme_find_path() for non-optimized paths

On Sat, 2020-08-08 at 19:35 -0400, Sasha Levin wrote:
> From: Hannes Reinecke <hare@...e.de>
> 
> [ 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@...e.com>
> Signed-off-by: Hannes Reinecke <hare@...e.de>
> Reviewed-by: Sagi Grimberg <sagi@...mberg.me>
> Signed-off-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  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