s390/hypfs/hypfs_dbfs.c

35 	struct hypfs_dbfs_file *df;
41 	df = file_inode(file)->i_private;
42 	mutex_lock(&df->lock);
43 	data = hypfs_dbfs_data_alloc(df);
45 		mutex_unlock(&df->lock);
48 	rc = df->data_create(&data->buf, &data->buf_free_ptr, &data->size);
50 		mutex_unlock(&df->lock);
54 	mutex_unlock(&df->lock);
63 	struct hypfs_dbfs_file *df = file_inode(file)->i_private;
66 	mutex_lock(&df->lock);
67 	if (df->unlocked_ioctl)
68 		rc = df->unlocked_ioctl(file, cmd, arg);
71 	mutex_unlock(&df->lock);
81 void hypfs_dbfs_create_file(struct hypfs_dbfs_file *df)
83 	df->dentry = debugfs_create_file(df->name, 0400, dbfs_dir, df,
85 	mutex_init(&df->lock);
88 void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df)
90 	debugfs_remove(df->dentry);