From: Martin George marting@netapp.com
[ Upstream commit cc2278c413c3a06a93c23ee8722e4dd3d621de12 ]
When undergoing state transitions I/O might be requeued, hence we should always call nvme_mpath_set_live() to schedule requeue_work whenever the nvme device is live, independent on whether the old state was live or not.
Signed-off-by: Martin George marting@netapp.com Signed-off-by: Gargi Srinivas sring@netapp.com Signed-off-by: Hannes Reinecke hare@suse.com Signed-off-by: Christoph Hellwig hch@lst.de Signed-off-by: Sasha Levin (Microsoft) sashal@kernel.org --- drivers/nvme/host/multipath.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index da8f5ad30c71..260248fbb8fe 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -349,15 +349,12 @@ static inline bool nvme_state_is_live(enum nvme_ana_state state) static void nvme_update_ns_ana_state(struct nvme_ana_group_desc *desc, struct nvme_ns *ns) { - enum nvme_ana_state old; - mutex_lock(&ns->head->lock); - old = ns->ana_state; ns->ana_grpid = le32_to_cpu(desc->grpid); ns->ana_state = desc->state; clear_bit(NVME_NS_ANA_PENDING, &ns->flags);
- if (nvme_state_is_live(ns->ana_state) && !nvme_state_is_live(old)) + if (nvme_state_is_live(ns->ana_state)) nvme_mpath_set_live(ns); mutex_unlock(&ns->head->lock); }