Commit b33151e7 authored by David Sterba's avatar David Sterba
Browse files

btrfs: delete debugfs code 



Replaced by the sysfs exports that provide a more fine grained interface
for filesystem debugging.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 6e369feb

fs/btrfs/sysfs.c

+0 −30
Original line number Diff line number Diff line
@@ -9,7 +9,6 @@ 
#include <linux/completion.h>

#include <linux/kobject.h>

#include <linux/bug.h>

#include <linux/debugfs.h>



#include "ctree.h"

#include "disk-io.h"
@@ -829,12 +828,6 @@ int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, 
/* /sys/fs/btrfs/ entry */

static struct kset *btrfs_kset;



/* /sys/kernel/debug/btrfs */

static struct dentry *btrfs_debugfs_root_dentry;



/* Debugging tunables and exported data */

u64 btrfs_debugfs_test;



/*

 * Can be called by the device discovery thread.

 * And parent can be specified for seed device
@@ -940,25 +933,6 @@ void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, 
	ret = sysfs_create_group(fsid_kobj, &btrfs_feature_attr_group);

}



static void btrfs_init_debugfs(void)

{

#ifdef CONFIG_DEBUG_FS

	btrfs_debugfs_root_dentry = debugfs_create_dir("btrfs", NULL);



	/*

	 * Example code, how to export data through debugfs.

	 *

	 * file:        /sys/kernel/debug/btrfs/test

	 * contents of: btrfs_debugfs_test

	 */

#ifdef CONFIG_BTRFS_DEBUG

	debugfs_create_u64("test", S_IRUGO | S_IWUSR, btrfs_debugfs_root_dentry,

			&btrfs_debugfs_test);

#endif



#endif

}



int __init btrfs_init_sysfs(void)

{

	int ret;
@@ -967,8 +941,6 @@ int __init btrfs_init_sysfs(void) 
	if (!btrfs_kset)

		return -ENOMEM;



	btrfs_init_debugfs();



	init_feature_attrs();

	ret = sysfs_create_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);

	if (ret)
@@ -989,7 +961,6 @@ int __init btrfs_init_sysfs(void) 
out_remove_group:

	sysfs_remove_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);

out2:

	debugfs_remove_recursive(btrfs_debugfs_root_dentry);

	kset_unregister(btrfs_kset);



	return ret;
@@ -1001,6 +972,5 @@ void __cold btrfs_exit_sysfs(void) 
			    &btrfs_static_feature_attr_group);

	sysfs_remove_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);

	kset_unregister(btrfs_kset);

	debugfs_remove_recursive(btrfs_debugfs_root_dentry);

}

fs/btrfs/sysfs.h

+0 −5
Original line number Diff line number Diff line
@@ -3,11 +3,6 @@ 
#ifndef BTRFS_SYSFS_H

#define BTRFS_SYSFS_H



/*

 * Data exported through sysfs

 */

extern u64 btrfs_debugfs_test;



enum btrfs_feature_set {

	FEAT_COMPAT,

	FEAT_COMPAT_RO,