diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 6e108086fb76..d2256fa95685 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2059,12 +2059,13 @@ static void nvme_set_ctrl_limits(struct nvme_ctrl *ctrl,
 }
 
 static bool nvme_update_disk_info(struct nvme_ns *ns, struct nvme_id_ns *id,
-		struct queue_limits *lim)
+		struct nvme_id_ns_nvm *nvm, struct queue_limits *lim)
 {
 	struct nvme_ns_head *head = ns->head;
 	struct nvme_ctrl *ctrl = ns->ctrl;
 	u32 bs = 1U << head->lba_shift;
 	u32 atomic_bs, phys_bs, io_opt = 0;
+	u32 npdg = 1, npda = 1;
 	bool valid = true;
 	u8 optperf;
 
@@ -2117,7 +2118,35 @@ static bool nvme_update_disk_info(struct nvme_ns *ns, struct nvme_id_ns *id,
 	else
 		lim->max_hw_discard_sectors = 0;
 
-	lim->discard_granularity = lim->logical_block_size;
+	/*
+	 * NVMe namespaces advertise both a preferred deallocate granularity
+	 * (for a discard length) and alignment (for a discard starting offset).
+	 * However, Linux block devices advertise a single discard_granularity.
+	 * From NVM Command Set specification 1.1 section 5.2.2, the NPDGL/NPDAL
+	 * fields in the NVM Command Set Specific Identify Namespace structure
+	 * are preferred to NPDG/NPDA in the Identify Namespace structure since
+	 * they can represent larger values. However, NPDGL or NPDAL may be 0 if
+	 * unsupported. NPDG and NPDA are 0's based.
+	 * From Figure 115 of NVM Command Set specification 1.1, NPDGL and NPDAL
+	 * are supported if the high bit of OPTPERF is set. NPDG is supported if
+	 * the low bit of OPTPERF is set. NPDA is supported if either is set.
+	 * NPDG should be a multiple of NPDA, and likewise NPDGL should be a
+	 * multiple of NPDAL, but the spec doesn't say anything about NPDG vs.
+	 * NPDAL or NPDGL vs. NPDA. So compute the maximum instead of assuming
+	 * NPDG(L) is the larger. If neither NPDG, NPDGL, NPDA, nor NPDAL are
+	 * supported, default the discard_granularity to the logical block size.
+	 */
+	if (optperf & 0x2 && nvm && nvm->npdgl)
+		npdg = le32_to_cpu(nvm->npdgl);
+	else if (optperf & 0x1)
+		npdg = from0based(id->npdg);
+	if (optperf & 0x2 && nvm && nvm->npdal)
+		npda = le32_to_cpu(nvm->npdal);
+	else if (optperf)
+		npda = from0based(id->npda);
+	if (check_mul_overflow(max(npdg, npda), lim->logical_block_size,
+			       &lim->discard_granularity))
+		lim->discard_granularity = lim->logical_block_size;
 
 	if (ctrl->dmrl)
 		lim->max_discard_segments = ctrl->dmrl;
@@ -2384,7 +2413,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
 	nvme_set_ctrl_limits(ns->ctrl, &lim, false);
 	nvme_configure_metadata(ns->ctrl, ns->head, id, nvm, info);
 	nvme_set_chunk_sectors(ns, id, &lim);
-	if (!nvme_update_disk_info(ns, id, &lim))
+	if (!nvme_update_disk_info(ns, id, nvm, &lim))
 		capacity = 0;
 
 	if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&