From: Bart Van Assche <bvanassche@acm.org>
To: likunyu10 <likunyu10@163.com>,
kbusch@kernel.org, axboe@kernel.dk, hch@lst.de, sagi@grimberg.me
Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
likunyu15 <likunyu15@jd.com>
Subject: Re: [PATCH] drivers/nvme/host/pci: Fix the asynchronous detection issue of nvme devices
Date: Thu, 24 Jul 2025 09:07:29 -0700 [thread overview]
Message-ID: <58c289ef-770b-4524-b38d-ebdb51ccc8f4@acm.org> (raw)
In-Reply-To: <20250720185154.138391-1-likunyu10@163.com>
On 7/20/25 11:51 AM, likunyu10 wrote:
> PROBE_PREFER_ASYNCHRONOUS asynchronous detection has a significant impact
> on important devices. For example, if a server has two or more nvme disk
> devices, it can cause disk loading disorder, which can also have a
> certain impact on actual production environments.
That's intentional. Please fix your user space code that uses hard-coded
NVMe block device names or introduce a mechanism in user space for block
devices that is similar to the predictable network interface names
mechanism. See also https://systemd.io/PREDICTABLE_INTERFACE_NAMES/.
Bart.
next prev parent reply other threads:[~2025-07-24 16:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-20 18:51 likunyu10
2025-07-24 16:07 ` Bart Van Assche [this message]
2025-07-25 1:57 ` Damien Le Moal
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