linux-kernel - Re: [PATCH 2/2] nvme-fc: Wait with a timeout for queue to freeze

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Message-ID: <20210706085906.asz7cp7ydiid6yz5@beryllium.lan>
Date:   Tue, 6 Jul 2021 10:59:06 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     Ming Lei <ming.lei@...hat.com>
Cc:     linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        James Smart <james.smart@...adcom.com>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Sagi Grimberg <sagi@...mberg.me>
Subject: Re: [PATCH 2/2] nvme-fc: Wait with a timeout for queue to freeze

On Tue, Jul 06, 2021 at 04:45:30PM +0800, Ming Lei wrote:
> > /sys/kernel/debug/block/nvme0c0n1# find . -type f -exec grep -aH . {} \;
> 
> It is the mpath device's debugfs, what is output for the nvmef's
> debugfs?

Do you mean /sys/kernel/debug/block/{nvme0n1,nvme0n2}? These are
directories are empty.

There is only /sys/class/nvme/nvme0, but I don't think this is what you
are asking for.

View attachment "blk-debug2.txt" of type "text/plain" (8510 bytes)