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nvme-multipath: optimize path selection in queue-depth policy #805

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nvme-multipath: optimize path selection in queue-depth policy #805

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7 changes: 3 additions & 4 deletions drivers/nvme/host/multipath.c
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Original file line number Diff line number Diff line change
Expand Up @@ -409,6 +409,8 @@ static struct nvme_ns *nvme_queue_depth_path(struct nvme_ns_head *head)
min_depth_opt = depth;
best_opt = ns;
}
if (min_depth_opt == 0)
goto out;
break;
case NVME_ANA_NONOPTIMIZED:
if (depth < min_depth_nonopt) {
Expand All @@ -419,11 +421,8 @@ static struct nvme_ns *nvme_queue_depth_path(struct nvme_ns_head *head)
default:
break;
}

if (min_depth_opt == 0)
return best_opt;
}

out:
return best_opt ? best_opt : best_nonopt;
}

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