diff --git a/lib/vhost/vhost_blk.c b/lib/vhost/vhost_blk.c
index 5d4b40ec9..315409850 100644
--- a/lib/vhost/vhost_blk.c
+++ b/lib/vhost/vhost_blk.c
@@ -35,6 +35,7 @@
 
 #include "spdk/env.h"
 #include "spdk/bdev.h"
+#include "spdk/bdev_module.h"
 #include "spdk/conf.h"
 #include "spdk/thread.h"
 #include "spdk/likely.h"
@@ -896,6 +897,14 @@ spdk_vhost_blk_get_config(struct spdk_vhost_dev *vdev, uint8_t *config,
 	} else {
 		blk_size = spdk_bdev_get_block_size(bdev);
 		blkcnt = spdk_bdev_get_num_blocks(bdev);
+		if (spdk_bdev_get_buf_align(bdev) > 1) {
+			blkcfg.size_max = SPDK_BDEV_LARGE_BUF_MAX_SIZE;
+			blkcfg.seg_max = spdk_min(SPDK_VHOST_IOVS_MAX - 2 - 1, BDEV_IO_NUM_CHILD_IOV - 2 - 1);
+		} else {
+			blkcfg.size_max = 131072;
+			/*  -2 for REQ and RESP and -1 for region boundary splitting */
+			blkcfg.seg_max = SPDK_VHOST_IOVS_MAX - 2 - 1;
+		}
 	}
 
 	memset(&blkcfg, 0, sizeof(blkcfg));
@@ -904,9 +913,6 @@ spdk_vhost_blk_get_config(struct spdk_vhost_dev *vdev, uint8_t *config,
 	blkcfg.min_io_size = 1;
 	/* expressed in 512 Bytes sectors */
 	blkcfg.capacity = (blkcnt * blk_size) / 512;
-	blkcfg.size_max = 131072;
-	/*  -2 for REQ and RESP and -1 for region boundary splitting */
-	blkcfg.seg_max = SPDK_VHOST_IOVS_MAX - 2 - 1;
 	/* QEMU can overwrite this value when started */
 	blkcfg.num_queues = SPDK_VHOST_MAX_VQUEUES;