(diskfs_S_io_prenotify): Mark START unused.

1 files changed, 1 insertions, 1 deletions

diff --git a/libdiskfs/io-prenotify.c b/libdiskfs/io-prenotify.c
index 8c6b6552..a2b96e7e 100644
--- a/libdiskfs/io-prenotify.c
+++ b/libdiskfs/io-prenotify.c
@@ -25,7 +25,7 @@
    that, and we can do allocation (orreturn ENOSPC if necessary. */
 kern_return_t
 diskfs_S_io_prenotify (struct protid *cred,
-		       vm_offset_t start,
+		       vm_offset_t start __attribute__ ((unused)),
 		       vm_offset_t end)
 {
   struct node *np;