From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: Keith Busch <keith.busch@wdc.com>,
Sagi Grimberg <sagi@grimberg.me>, Christoph Hellwig <hch@lst.de>,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH] nvme: send uevent once a multipath namespace is operational again
Date: Wed, 3 Mar 2021 09:39:27 +0100 [thread overview]
Message-ID: <20210303083927.GA9898@lst.de> (raw)
In-Reply-To: <20210226080538.108392-1-hare@suse.de>
On Fri, Feb 26, 2021 at 09:05:38AM +0100, Hannes Reinecke wrote:
> In an all paths down scenario I/O will be requeued or aborted, and no
> further I/O will be ongoing on this namespace.
> This leaves the upper layers unable to determine if the namespace
> becomes operational again eg. after a successful controller reset.
> With this patch a 'change' uevent will be sent per multipathed namespace
> once the underlying controller moved to LIVE and started I/O processing
> by calling nvme_kick_requeue_lists().
This should use disk_uevent().
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next prev parent reply other threads:[~2021-03-03 17:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-26 8:05 [PATCH] nvme: send uevent once a multipath namespace is operational again Hannes Reinecke
2021-02-26 9:17 ` Daniel Wagner
2021-03-03 8:39 ` Christoph Hellwig [this message]
2021-03-03 9:11 ` Hannes Reinecke
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