3 files changed, 3 insertions, 3 deletions
diff --git a/libnetfs/io-read.c b/libnetfs/io-read.c
index 2427ce6c..688da1f6 100644
--- a/libnetfs/io-read.c
+++ b/libnetfs/io-read.c
@@ -28,7 +28,7 @@ netfs_S_io_read (struct protid *user,
 		 data_t *data,
 		 mach_msg_type_number_t *datalen,
 		 off_t offset,
-		 mach_msg_type_number_t amount)
+		 vm_size_t amount)
 {
   error_t err;
   off_t start;
diff --git a/libnetfs/io-readable.c b/libnetfs/io-readable.c
index 07becf66..7c365484 100644
--- a/libnetfs/io-readable.c
+++ b/libnetfs/io-readable.c
@@ -25,7 +25,7 @@
 
 error_t
 netfs_S_io_readable (struct protid *user,
-		     mach_msg_type_number_t *amount)
+		     vm_size_t *amount)
 {
   error_t err;
   
diff --git a/libnetfs/io-write.c b/libnetfs/io-write.c
index 482b45fc..2306d1f0 100644
--- a/libnetfs/io-write.c
+++ b/libnetfs/io-write.c
@@ -27,7 +27,7 @@ netfs_S_io_write (struct protid *user,
 		  const_data_t data,
 		  mach_msg_type_number_t datalen,
 		  off_t offset,
-		  mach_msg_type_number_t *amount)
+		  vm_size_t *amount)
 {
   error_t err;
   off_t off = offset;