Index: ffs_vfsops.c
===================================================================
RCS file: /private/FreeBSD/src/sys/ufs/ffs/ffs_vfsops.c,v
retrieving revision 1.263
diff -u -p -r1.263 ffs_vfsops.c
--- ffs_vfsops.c	12 Dec 2004 14:19:11 -0000	1.263
+++ ffs_vfsops.c	15 Jan 2005 14:06:22 -0000
@@ -280,6 +280,11 @@ ffs_mount(struct mount *mp, struct threa
 		if (mp->mnt_flag & MNT_SOFTDEP)
 			mp->mnt_flag &= ~MNT_ASYNC;
 		/*
+		 * Keep MNT_ACLS flag if it is stored in superblock.
+		 */
+		if ((fs->fs_flags & FS_ACLS) != 0)
+			mp->mnt_flag |= MNT_ACLS;
+		/*
 		 * If not updating name, process export requests.
 		 */
 		error = vfs_copyopt(mp->mnt_optnew, "export", &export, sizeof export);