From: Anand Jain <anand.jain@oracle.com>
Date: Wed, 1 Jan 2025 18:06:39 +0000 (+0800)
Subject: btrfs: print read policy on module load
X-Git-Tag: v6.14-rc1~207^2~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3681dbe0afeef3946b71a7af05e31375d6e70b90;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index f310cfa0b5b45..f809c3200c212 100644
--- 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;
 }