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

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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>
This commit is contained in:
David Sterba 2013-04-30 16:51:59 +00:00 committed by Josef Bacik
parent e6d2960582
commit 85965600f5
2 changed files with 13 additions and 6 deletions
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15
fs/btrfs/super.c
View file

@ -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 @@ static void btrfs_interface_exit(void)
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 @@ static int __init init_btrfs_fs(void)
btrfs_init_lockdep();
btrfs_print_info();
btrfs_test_free_space_cache();
printk(KERN_INFO "%s loaded\n", BTRFS_BUILD_VERSION);
return 0;
unregister_ioctl:

4
fs/btrfs/version.h
View file

@ -1,4 +0,0 @@
#ifndef __BTRFS_VERSION_H
#define __BTRFS_VERSION_H
#define BTRFS_BUILD_VERSION "Btrfs"
#endif