diff --git a/guest/apkdmverity/src/main.rs b/guest/apkdmverity/src/main.rs
index d2f88ae..2fc964b 100644
--- a/guest/apkdmverity/src/main.rs
+++ b/guest/apkdmverity/src/main.rs
@@ -27,6 +27,7 @@
 use apkverify::{HashAlgorithm, V4Signature};
 use clap::{arg, Arg, ArgAction, Command};
 use dm::loopdevice;
+use dm::loopdevice::LoopConfigOptions;
 use dm::util;
 use dm::verity::{DmVerityHashAlgorithm, DmVerityTargetBuilder};
 use itertools::Itertools;
@@ -109,9 +110,13 @@
         }
         (
             loopdevice::attach(
-                &apk, 0, apk_size, /* direct_io */ true, /* writable */ false,
+                &apk,
+                0,
+                apk_size,
+                &LoopConfigOptions { direct_io: true, ..Default::default() },
             )
-            .context("Failed to attach APK to a loop device")?,
+            .context("Failed to attach APK to a loop device")?
+            .path,
             apk_size,
         )
     };
@@ -125,10 +130,9 @@
     // Due to unknown reason(b/191344832), we can't enable "direct IO" for the IDSIG file (backing
     // the hash). For now we don't use "direct IO" but it seems OK since the IDSIG file is very
     // small and the benefit of direct-IO would be negliable.
-    let hash_device = loopdevice::attach(
-        &idsig, offset, size, /* direct_io */ false, /* writable */ false,
-    )
-    .context("Failed to attach idsig to a loop device")?;
+    let hash_device = loopdevice::attach(&idsig, offset, size, &LoopConfigOptions::default())
+        .context("Failed to attach idsig to a loop device")?
+        .path;
 
     // Build a dm-verity target spec from the information from the idsig file. The apk and the
     // idsig files are used as the data device and the hash device, respectively.
@@ -347,18 +351,17 @@
         // of the data device is done in the scopeguard for the return value of `enable_verity`
         // below. Only the idsig_loop_device needs detatching.
         let apk_loop_device = loopdevice::attach(
-            &apk_path, 0, apk_size, /* direct_io */ true, /* writable */ false,
+            &apk_path,
+            0,
+            apk_size,
+            &LoopConfigOptions { direct_io: true, ..Default::default() },
         )
-        .unwrap();
+        .unwrap()
+        .path;
         let idsig_loop_device = scopeguard::guard(
-            loopdevice::attach(
-                &idsig_path,
-                0,
-                idsig_size,
-                /* direct_io */ false,
-                /* writable */ false,
-            )
-            .unwrap(),
+            loopdevice::attach(&idsig_path, 0, idsig_size, &LoopConfigOptions::default())
+                .unwrap()
+                .path,
             |dev| loopdevice::detach(dev).unwrap(),
         );