From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
Keith Busch <keith.busch@wdc.com>,
linux-nvme@lists.infradead.org
Subject: Re: [PATCHv2] nvme: generate uevent once a multipath namespace is operational again
Date: Tue, 11 May 2021 18:19:07 +0200 [thread overview]
Message-ID: <20210511161907.GA17525@lst.de> (raw)
In-Reply-To: <20210511080308.6734-1-hare@suse.de>
On Tue, May 11, 2021 at 10:03:08AM +0200, Hannes Reinecke wrote:
> In an all paths down scenario I/O will be requeued or aborted, so no
> further I/O will be ongoing on this namespace.
> This leaves upper layers like MD unable to determine if the namespace
> becomes operational again after a successful controller reset.
> This patch will send an uevent per multipathed namespace once the
> underlying controller is LIVE, allowing MD to start resync.
Can you please also add a comment why we are sending the event?
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next prev parent reply other threads:[~2021-05-11 16:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-11 8:03 [PATCHv2] nvme: generate uevent once a multipath namespace is operational again Hannes Reinecke
2021-05-11 16:19 ` Christoph Hellwig [this message]
2021-05-12 5:24 ` Hannes Reinecke
2021-05-12 6:20 ` Christoph Hellwig
2021-05-12 13:06 ` Hannes Reinecke
2021-05-11 17:08 ` Sagi Grimberg
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