58 	struct debugfs_fsdata *fsd = F_DENTRY(filp)->d_fsdata;  in debugfs_real_fops()  local
60 	if (!fsd) {  in debugfs_real_fops()
69 	return fsd->real_fops;  in debugfs_real_fops()
81 	struct debugfs_fsdata *fsd;  in __debugfs_file_get()  local
94 		fsd = d_fsd;  in __debugfs_file_get()
102 		fsd = kmalloc(sizeof(*fsd), GFP_KERNEL);  in __debugfs_file_get()
103 		if (!fsd)  in __debugfs_file_get()
108 			ops = fsd->short_fops = DEBUGFS_I(inode)->short_fops;  in __debugfs_file_get()
115 			fsd->real_fops = NULL;  in __debugfs_file_get()
118 			ops = fsd->real_fops = DEBUGFS_I(inode)->real_fops;  in __debugfs_file_get()
129 			fsd->short_fops = NULL;  in __debugfs_file_get()
131 		fsd->methods = methods;  in __debugfs_file_get()
132 		refcount_set(&fsd->active_users, 1);  in __debugfs_file_get()
133 		init_completion(&fsd->active_users_drained);  in __debugfs_file_get()
134 		INIT_LIST_HEAD(&fsd->cancellations);  in __debugfs_file_get()
135 		mutex_init(&fsd->cancellations_mtx);  in __debugfs_file_get()
137 		d_fsd = cmpxchg(&dentry->d_fsdata, NULL, fsd);  in __debugfs_file_get()
139 			mutex_destroy(&fsd->cancellations_mtx);  in __debugfs_file_get()
140 			kfree(fsd);  in __debugfs_file_get()
141 			fsd = d_fsd;  in __debugfs_file_get()
156 	if (!refcount_inc_not_zero(&fsd->active_users))  in __debugfs_file_get()
194 	struct debugfs_fsdata *fsd = READ_ONCE(dentry->d_fsdata);  in debugfs_file_put()  local
196 	if (refcount_dec_and_test(&fsd->active_users))  in debugfs_file_put()
197 		complete(&fsd->active_users_drained);  in debugfs_file_put()
226 	struct debugfs_fsdata *fsd;  in debugfs_enter_cancellation()  local
237 	fsd = READ_ONCE(dentry->d_fsdata);  in debugfs_enter_cancellation()
238 	if (WARN_ON(!fsd))  in debugfs_enter_cancellation()
241 	mutex_lock(&fsd->cancellations_mtx);  in debugfs_enter_cancellation()
242 	list_add(&cancellation->list, &fsd->cancellations);  in debugfs_enter_cancellation()
243 	mutex_unlock(&fsd->cancellations_mtx);  in debugfs_enter_cancellation()
247 		complete(&fsd->active_users_drained);  in debugfs_enter_cancellation()
262 	struct debugfs_fsdata *fsd;  in debugfs_leave_cancellation()  local
268 	fsd = READ_ONCE(dentry->d_fsdata);  in debugfs_leave_cancellation()
269 	if (WARN_ON(!fsd))  in debugfs_leave_cancellation()
272 	mutex_lock(&fsd->cancellations_mtx);  in debugfs_leave_cancellation()
275 	mutex_unlock(&fsd->cancellations_mtx);  in debugfs_leave_cancellation()
354 	struct debugfs_fsdata *fsd = dentry->d_fsdata;			\
358 	if (!(fsd->methods & bit))					\
373 	struct debugfs_fsdata *fsd = dentry->d_fsdata;			\
376 	if (!(fsd->methods & bit))					\
381 	if (fsd->real_fops)						\
382 		r = fsd->real_fops->name(args);				\
384 		r = fsd->short_fops->name(args);			\
411 	struct debugfs_fsdata *fsd = dentry->d_fsdata;  in full_proxy_poll()  local
415 	if (!(fsd->methods & HAS_POLL))  in full_proxy_poll()
448 	struct debugfs_fsdata *fsd;  in full_proxy_open_regular()  local
455 	fsd = dentry->d_fsdata;  in full_proxy_open_regular()
456 	real_fops = fsd->real_fops;  in full_proxy_open_regular()