From b33151e7b3a3d057f975852164581d89b2e6716a Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 13 Jun 2019 17:27:36 +0200 Subject: [PATCH] btrfs: delete debugfs code Replaced by the sysfs exports that provide a more fine grained interface for filesystem debugging. Signed-off-by: David Sterba --- fs/btrfs/sysfs.c | 30 ------------------------------ fs/btrfs/sysfs.h | 5 ----- 2 files changed, 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 #include #include -#include #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,