btrfs: show compiled-in config features at module load time

We want to know if there are debugging features compiled in, this may
affect performance. The message is printed before the sanity checks.

(This commit message is a copy of David Sterba's commit message when
he introduced btrfs_print_info()).

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 3aab10ce63e84812b8e9c5a9250235db9b1bbe86..58cb83f23b1a21c470c4cc58417e5c9c295d92c0 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1762,6 +1762,9 @@ static void btrfs_print_info(void)
 #ifdef CONFIG_BTRFS_DEBUG
                        ", debug=on"
 #endif
+#ifdef CONFIG_BTRFS_ASSERT
+                       ", assert=on"
+#endif
 #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
                        ", integrity-checker=on"
 #endif