66 	ei->pde = NULL;  in proc_alloc_inode()
127 static inline int use_pde(struct proc_dir_entry *pde)  in use_pde()  argument
129 	return atomic_inc_unless_negative(&pde->in_use);  in use_pde()
132 static void unuse_pde(struct proc_dir_entry *pde)  in unuse_pde()  argument
134 	if (atomic_dec_return(&pde->in_use) == BIAS)  in unuse_pde()
135 		complete(pde->pde_unload_completion);  in unuse_pde()
139 static void close_pdeo(struct proc_dir_entry *pde, struct pde_opener *pdeo)  in close_pdeo()  argument
145 		spin_unlock(&pde->pde_unload_lock);  in close_pdeo()
147 		spin_lock(&pde->pde_unload_lock);  in close_pdeo()
151 		spin_unlock(&pde->pde_unload_lock);  in close_pdeo()
153 		pde->proc_fops->release(file_inode(file), file);  in close_pdeo()
154 		spin_lock(&pde->pde_unload_lock);  in close_pdeo()
181 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_llseek()  local
183 	if (use_pde(pde)) {  in proc_reg_llseek()
185 		llseek = pde->proc_fops->llseek;  in proc_reg_llseek()
189 		unuse_pde(pde);  in proc_reg_llseek()
197 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_read()  local
199 	if (use_pde(pde)) {  in proc_reg_read()
200 		read = pde->proc_fops->read;  in proc_reg_read()
203 		unuse_pde(pde);  in proc_reg_read()
211 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_write()  local
213 	if (use_pde(pde)) {  in proc_reg_write()
214 		write = pde->proc_fops->write;  in proc_reg_write()
217 		unuse_pde(pde);  in proc_reg_write()
224 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_poll()  local
227 	if (use_pde(pde)) {  in proc_reg_poll()
228 		poll = pde->proc_fops->poll;  in proc_reg_poll()
231 		unuse_pde(pde);  in proc_reg_poll()
238 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_unlocked_ioctl()  local
241 	if (use_pde(pde)) {  in proc_reg_unlocked_ioctl()
242 		ioctl = pde->proc_fops->unlocked_ioctl;  in proc_reg_unlocked_ioctl()
245 		unuse_pde(pde);  in proc_reg_unlocked_ioctl()
253 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_compat_ioctl()  local
256 	if (use_pde(pde)) {  in proc_reg_compat_ioctl()
257 		compat_ioctl = pde->proc_fops->compat_ioctl;  in proc_reg_compat_ioctl()
260 		unuse_pde(pde);  in proc_reg_compat_ioctl()
268 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_mmap()  local
271 	if (use_pde(pde)) {  in proc_reg_mmap()
272 		mmap = pde->proc_fops->mmap;  in proc_reg_mmap()
275 		unuse_pde(pde);  in proc_reg_mmap()
285 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_get_unmapped_area()  local
288 	if (use_pde(pde)) {  in proc_reg_get_unmapped_area()
291 		get_area = pde->proc_fops->get_unmapped_area;  in proc_reg_get_unmapped_area()
301 		unuse_pde(pde);  in proc_reg_get_unmapped_area()
308 	struct proc_dir_entry *pde = PDE(inode);  in proc_reg_open()  local
328 	if (!use_pde(pde)) {  in proc_reg_open()
332 	open = pde->proc_fops->open;  in proc_reg_open()
333 	release = pde->proc_fops->release;  in proc_reg_open()
342 		spin_lock(&pde->pde_unload_lock);  in proc_reg_open()
343 		list_add(&pdeo->lh, &pde->pde_openers);  in proc_reg_open()
344 		spin_unlock(&pde->pde_unload_lock);  in proc_reg_open()
348 	unuse_pde(pde);  in proc_reg_open()
354 	struct proc_dir_entry *pde = PDE(inode);  in proc_reg_release()  local
356 	spin_lock(&pde->pde_unload_lock);  in proc_reg_release()
357 	list_for_each_entry(pdeo, &pde->pde_openers, lh) {  in proc_reg_release()
359 			close_pdeo(pde, pdeo);  in proc_reg_release()
363 	spin_unlock(&pde->pde_unload_lock);  in proc_reg_release()
398 	struct proc_dir_entry *pde = PDE(d_inode(dentry));  in proc_follow_link()  local
399 	if (unlikely(!use_pde(pde)))  in proc_follow_link()
401 	*cookie = pde;  in proc_follow_link()
402 	return pde->data;  in proc_follow_link()
423 		PROC_I(inode)->pde = de;  in proc_get_inode()