+static void fs_reclaim_correct_nesting(void)
+{
+ fs_reclaim_acquire(GFP_KERNEL);
+ might_alloc(GFP_NOFS);
+ fs_reclaim_release(GFP_KERNEL);
+}
+
+static void fs_reclaim_wrong_nesting(void)
+{
+ fs_reclaim_acquire(GFP_KERNEL);
+ might_alloc(GFP_KERNEL);
+ fs_reclaim_release(GFP_KERNEL);
+}
+
+static void fs_reclaim_protected_nesting(void)
+{
+ unsigned int flags;
+
+ fs_reclaim_acquire(GFP_KERNEL);
+ flags = memalloc_nofs_save();
+ might_alloc(GFP_KERNEL);
+ memalloc_nofs_restore(flags);
+ fs_reclaim_release(GFP_KERNEL);
+}
+
+static void fs_reclaim_tests(void)
+{
+ printk(" --------------------\n");
+ printk(" | fs_reclaim tests |\n");
+ printk(" --------------------\n");
+
+ print_testname("correct nesting");
+ dotest(fs_reclaim_correct_nesting, SUCCESS, 0);
+ pr_cont("\n");
+
+ print_testname("wrong nesting");
+ dotest(fs_reclaim_wrong_nesting, FAILURE, 0);
+ pr_cont("\n");
+
+ print_testname("protected nesting");
+ dotest(fs_reclaim_protected_nesting, SUCCESS, 0);
+ pr_cont("\n");
+}
+