Revert "debugfs: annotate debugfs handlers vs. removal with lockdep"

[linux-2.6-microblaze.git] / fs / debugfs / file.c

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index a5ade8c..5063434 100644 (file)
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -108,12 +108,6 @@ int debugfs_file_get(struct dentry *dentry)
                        kfree(fsd);
                        fsd = READ_ONCE(dentry->d_fsdata);
                }
-#ifdef CONFIG_LOCKDEP
-               fsd->lock_name = kasprintf(GFP_KERNEL, "debugfs:%pd", dentry);
-               lockdep_register_key(&fsd->key);
-               lockdep_init_map(&fsd->lockdep_map, fsd->lock_name ?: "debugfs",
-                                &fsd->key, 0);
-#endif
                INIT_LIST_HEAD(&fsd->cancellations);
                mutex_init(&fsd->cancellations_mtx);
        }
@@ -132,8 +126,6 @@ int debugfs_file_get(struct dentry *dentry)
        if (!refcount_inc_not_zero(&fsd->active_users))
                return -EIO;
 
-       lock_map_acquire_read(&fsd->lockdep_map);
-
        return 0;
 }
 EXPORT_SYMBOL_GPL(debugfs_file_get);
@@ -151,8 +143,6 @@ void debugfs_file_put(struct dentry *dentry)
 {
        struct debugfs_fsdata *fsd = READ_ONCE(dentry->d_fsdata);
 
-       lock_map_release(&fsd->lockdep_map);
-
        if (refcount_dec_and_test(&fsd->active_users))
                complete(&fsd->active_users_drained);
 }