nvme: retrigger ANA log update if group descriptor isn't found

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[ Upstream commit dd8f7fa908 ]

If ANA is enabled but no ANA group descriptor is found when creating
a new namespace the ANA log is most likely out of date, so trigger
a re-read. The namespace will be tagged with the NS_ANA_PENDING flag
to exclude it from path selection until the ANA log has been re-read.

Fixes: 32acab3181 ("nvme: implement multipath access to nvme subsystems")
Reported-by: Martin George <marting@netapp.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Hannes Reinecke 2020-12-05 16:29:01 +01:00 • committed by Greg Kroah-Hartman

parent 20719538c4

commit 59dd4fe0ae

1 changed files with 4 additions and 0 deletions

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drivers/nvme/host/multipath.c

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