btrfs: print read policy on module load

Print the read read policy if set as module parameter (with CONFIG_BTRFS_EXPERIMENTAL). Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
kdave · Jan 3, 2025 · 7f6d186 · 7f6d186
1 parent a2b8e25
commit 7f6d186
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
@@ -2469,7 +2469,17 @@ static int __init btrfs_print_mod_info(void)
 			", fsverity=no"
 #endif
 			;
+
+#ifdef CONFIG_BTRFS_EXPERIMENTAL
+	if (btrfs_get_mod_read_policy() == NULL)
+		pr_info("Btrfs loaded%s\n", options);
+	else
+		pr_info("Btrfs loaded%s, read_policy=%s\n",
+			 options, btrfs_get_mod_read_policy());
+#else
 	pr_info("Btrfs loaded%s\n", options);
+#endif
+
 	return 0;
 }