generic/{094,225}: fix argument to _require_file_block_size_equals_fs_block_size

Fix the incorrect parameter being passed to this new predicate.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
diff --git a/common/rc b/common/rc
index e53d156..919028e 100644
--- a/common/rc
+++ b/common/rc
@@ -4231,7 +4231,8 @@
 }
 
 # Require that the fundamental allocation unit of a file is the same as the
-# filesystem block size.
+# filesystem block size.  The sole parameter must be the root dir of a
+# filesystem.
 _require_file_block_size_equals_fs_block_size()
 {
 	local file_alloc_unit="$(_get_file_block_size $1)"
diff --git a/tests/generic/094 b/tests/generic/094
index 8c29247..20ef158 100755
--- a/tests/generic/094
+++ b/tests/generic/094
@@ -43,7 +43,7 @@
 # FIEMAP test doesn't like finding unwritten blocks after it punches out
 # a partial rt extent.
 test "$FSTYP" = "xfs" && \
-	_require_file_block_size_equals_fs_block_size $fiemapfile
+	_require_file_block_size_equals_fs_block_size $SCRATCH_MNT
 
 seed=`date +%s`
 
diff --git a/tests/generic/225 b/tests/generic/225
index fac688d..1a7963e 100755
--- a/tests/generic/225
+++ b/tests/generic/225
@@ -43,7 +43,7 @@
 # FIEMAP test doesn't like finding unwritten blocks after it punches out
 # a partial rt extent.
 test "$FSTYP" = "xfs" && \
-	_require_file_block_size_equals_fs_block_size $fiemapfile
+	_require_file_block_size_equals_fs_block_size $SCRATCH_MNT
 
 seed=`date +%s`