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authorDavid Sterba <dsterba@suse.com>2019-06-13 17:27:36 +0200
committerDavid Sterba <dsterba@suse.com>2019-09-09 14:59:05 +0200
commitb33151e7b3a3d057f975852164581d89b2e6716a (patch)
tree7842e686cfab3963a9563e3462f7b873d966985f /fs
parent6e369febbc534596b5e366d46f10b65bb4caa544 (diff)
downloadlinux-b33151e7b3a3d057f975852164581d89b2e6716a.tar.bz2
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/sysfs.c30
-rw-r--r--fs/btrfs/sysfs.h5
2 files changed, 0 insertions, 35 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 315204557bfc..115499cd6b79 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -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);
}
diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h
index 40716b357c1d..4bb4fe96d4bd 100644
--- a/fs/btrfs/sysfs.h
+++ b/fs/btrfs/sysfs.h
@@ -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,