[PATCH 2/2] nvme: re-read ANA log page after ns scan completes

[Hannes Reinecke]

When scanning for new namespaces we might have missed an ANA AEN,
so we should always re-read the ANA log page after scanning to ensure
we don't miss updates there.

Signed-off-by: Hannes Reinecke <hare at kernel.org>
---
 drivers/nvme/host/core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 70f9c2d2b113..6197de34c3c8 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4296,6 +4296,11 @@ static void nvme_scan_work(struct work_struct *work)
 	/* Requeue if we have missed AENs */
 	if (test_bit(NVME_AER_NOTICE_NS_CHANGED, &ctrl->events))
 		nvme_queue_scan(ctrl);
+#if CONFIG_NVME_MULTIPATH
+	else
+		/* Re-read the ANA log page to not miss updates */
+		queue_work(nvme_wq, &ctrl->ana_work);
+#endif
 }
 
 /*
-- 
2.35.3