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btrfs: delete debugfs code 

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

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-06-13 17:27:36 +02:00
parent 6e369febbc
commit b33151e7b3
2 changed files with 0 additions and 35 deletions
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30
fs/btrfs/sysfs.c
View File

@ -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);
}

5
fs/btrfs/sysfs.h
View File

@ -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,