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authorKeith Busch <kbusch@kernel.org>2024-05-21 21:02:28 +0300
committerKeith Busch <kbusch@kernel.org>2024-05-23 23:44:42 +0300
commita2e4c5f5f68dbd206f132bc709b98dea64afc3b8 (patch)
treeffcb2e8ea39978cdef1393fa3d30f9d7ea4a0b0d
parent2fe7b422460d14b33027d8770f7be8d26bcb2639 (diff)
downloadlinux-a2e4c5f5f68dbd206f132bc709b98dea64afc3b8.tar.xz
nvme-multipath: fix io accounting on failover
There are io stats accounting that needs to be handled, so don't call blk_mq_end_request() directly. Use the existing nvme_end_req() helper that already handles everything. Fixes: d4d957b53d91ee ("nvme-multipath: support io stats on the mpath device") Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org>
-rw-r--r--drivers/nvme/host/core.c2
-rw-r--r--drivers/nvme/host/multipath.c3
-rw-r--r--drivers/nvme/host/nvme.h1
3 files changed, 4 insertions, 2 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 79cdd34dfa18..7706df237349 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -422,7 +422,7 @@ static inline void __nvme_end_req(struct request *req)
nvme_mpath_end_request(req);
}
-static inline void nvme_end_req(struct request *req)
+void nvme_end_req(struct request *req)
{
blk_status_t status = nvme_error_status(nvme_req(req)->status);
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 9c1e135b8df3..1bee176fd850 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -118,7 +118,8 @@ void nvme_failover_req(struct request *req)
blk_steal_bios(&ns->head->requeue_list, req);
spin_unlock_irqrestore(&ns->head->requeue_lock, flags);
- blk_mq_end_request(req, 0);
+ nvme_req(req)->status = 0;
+ nvme_end_req(req);
kblockd_schedule_work(&ns->head->requeue_work);
}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index cacc56f4bbf4..fc31bd340a63 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -767,6 +767,7 @@ static inline bool nvme_state_terminal(struct nvme_ctrl *ctrl)
}
}
+void nvme_end_req(struct request *req);
void nvme_complete_rq(struct request *req);
void nvme_complete_batch_req(struct request *req);