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.
Also kill version.h file that serves no purpose, we don't use any
version tag for kernel module.
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 107c6e2..0805dd3 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -51,7 +51,6 @@
#include "print-tree.h"
#include "xattr.h"
#include "volumes.h"
-#include "version.h"
#include "export.h"
#include "compression.h"
#include "rcu-string.h"
@@ -1685,6 +1684,18 @@
printk(KERN_INFO "btrfs: misc_deregister failed for control device\n");
}
+static void btrfs_print_info(void)
+{
+ printk(KERN_INFO "Btrfs loaded"
+#ifdef CONFIG_BTRFS_DEBUG
+ ", debug=on"
+#endif
+#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
+ ", integrity-checker=on"
+#endif
+ "\n");
+}
+
static int __init init_btrfs_fs(void)
{
int err;
@@ -1733,9 +1744,9 @@
btrfs_init_lockdep();
+ btrfs_print_info();
btrfs_test_free_space_cache();
- printk(KERN_INFO "%s loaded\n", BTRFS_BUILD_VERSION);
return 0;
unregister_ioctl:
diff --git a/fs/btrfs/version.h b/fs/btrfs/version.h
deleted file mode 100644
index 9bf3946..0000000
--- a/fs/btrfs/version.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef __BTRFS_VERSION_H
-#define __BTRFS_VERSION_H
-#define BTRFS_BUILD_VERSION "Btrfs"
-#endif