nvme: rename nvme_validate_ns to nvme_validate_or_alloc_ns

Use a slightly more descriptive name to enable reusing nvme_validate_ns
in the next patch for a lower level function.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NKeith Busch <kbusch@kernel.org>
Reviewed-by: NSagi Grimberg <sagi@grimberg.me>
Reviewed-by: NChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: NDamien Le Moal <damien.lemoal@wdc.com>

drivers/nvme/host/core.c

@@ -4021,7 +4021,7 @@ static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid)
 	}
 }
 
-static void nvme_validate_ns(struct nvme_ctrl *ctrl, unsigned nsid)
+static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
 {
 	struct nvme_ns *ns;
 	int ret;
@@ -4083,7 +4083,7 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl)
 
 			if (!nsid)	/* end of the list? */
 				goto out;
-			nvme_validate_ns(ctrl, nsid);
+			nvme_validate_or_alloc_ns(ctrl, nsid);
 			while (++prev < nsid)
 				nvme_ns_remove_by_nsid(ctrl, prev);
 		}
@@ -4106,7 +4106,7 @@ static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl)
 	kfree(id);
 
 	for (i = 1; i <= nn; i++)
-		nvme_validate_ns(ctrl, i);
+		nvme_validate_or_alloc_ns(ctrl, i);
 
 	nvme_remove_invalid_namespaces(ctrl, nn);
 }