diff options
| author | Hannes Reinecke <hare@suse.de> | 2020-12-05 16:29:01 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2021-04-06 08:34:38 +0200 |
| commit | dd8f7fa908f66dd44abcd83cbb50410524b9f8ef (patch) | |
| tree | 5fb0f27d030e4cf6616214a67e1495eb1e8ec84c /drivers/nvme | |
| parent | 09fbed636382867733c1713c9fe2fa2926dac537 (diff) | |
nvme: retrigger ANA log update if group descriptor isn't found
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a new namespace the ANA log is most likely out of date, so trigger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: 32acab3181c7 ("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>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/multipath.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index e62369d3eae3..f2d0ce0f4d38 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -668,6 +668,10 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id) if (desc.state) { /* found the group desc: update */ nvme_update_ns_ana_state(&desc, ns); + } else { + /* group desc not found: trigger a re-read */ + set_bit(NVME_NS_ANA_PENDING, &ns->flags); + queue_work(nvme_wq, &ns->ctrl->ana_work); } } else { ns->ana_state = NVME_ANA_OPTIMIZED; |