67 	ei->pde = NULL;  in proc_alloc_inode()
128 static inline int use_pde(struct proc_dir_entry *pde)  in use_pde()  argument
130 	return atomic_inc_unless_negative(&pde->in_use);  in use_pde()
133 static void unuse_pde(struct proc_dir_entry *pde)  in unuse_pde()  argument
135 	if (atomic_dec_return(&pde->in_use) == BIAS)  in unuse_pde()
136 		complete(pde->pde_unload_completion);  in unuse_pde()
140 static void close_pdeo(struct proc_dir_entry *pde, struct pde_opener *pdeo)  in close_pdeo()  argument
146 		spin_unlock(&pde->pde_unload_lock);  in close_pdeo()
148 		spin_lock(&pde->pde_unload_lock);  in close_pdeo()
152 		spin_unlock(&pde->pde_unload_lock);  in close_pdeo()
154 		pde->proc_fops->release(file_inode(file), file);  in close_pdeo()
155 		spin_lock(&pde->pde_unload_lock);  in close_pdeo()
182 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_llseek()  local
184 	if (use_pde(pde)) {  in proc_reg_llseek()
186 		llseek = pde->proc_fops->llseek;  in proc_reg_llseek()
190 		unuse_pde(pde);  in proc_reg_llseek()
198 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_read()  local
200 	if (use_pde(pde)) {  in proc_reg_read()
201 		read = pde->proc_fops->read;  in proc_reg_read()
204 		unuse_pde(pde);  in proc_reg_read()
212 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_write()  local
214 	if (use_pde(pde)) {  in proc_reg_write()
215 		write = pde->proc_fops->write;  in proc_reg_write()
218 		unuse_pde(pde);  in proc_reg_write()
225 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_poll()  local
228 	if (use_pde(pde)) {  in proc_reg_poll()
229 		poll = pde->proc_fops->poll;  in proc_reg_poll()
232 		unuse_pde(pde);  in proc_reg_poll()
239 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_unlocked_ioctl()  local
242 	if (use_pde(pde)) {  in proc_reg_unlocked_ioctl()
243 		ioctl = pde->proc_fops->unlocked_ioctl;  in proc_reg_unlocked_ioctl()
246 		unuse_pde(pde);  in proc_reg_unlocked_ioctl()
254 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_compat_ioctl()  local
257 	if (use_pde(pde)) {  in proc_reg_compat_ioctl()
258 		compat_ioctl = pde->proc_fops->compat_ioctl;  in proc_reg_compat_ioctl()
261 		unuse_pde(pde);  in proc_reg_compat_ioctl()
269 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_mmap()  local
272 	if (use_pde(pde)) {  in proc_reg_mmap()
273 		mmap = pde->proc_fops->mmap;  in proc_reg_mmap()
276 		unuse_pde(pde);  in proc_reg_mmap()
286 	struct proc_dir_entry *pde = PDE(file_inode(file));  in proc_reg_get_unmapped_area()  local
289 	if (use_pde(pde)) {  in proc_reg_get_unmapped_area()
292 		get_area = pde->proc_fops->get_unmapped_area;  in proc_reg_get_unmapped_area()
302 		unuse_pde(pde);  in proc_reg_get_unmapped_area()
309 	struct proc_dir_entry *pde = PDE(inode);  in proc_reg_open()  local
329 	if (!use_pde(pde)) {  in proc_reg_open()
333 	open = pde->proc_fops->open;  in proc_reg_open()
334 	release = pde->proc_fops->release;  in proc_reg_open()
343 		spin_lock(&pde->pde_unload_lock);  in proc_reg_open()
344 		list_add(&pdeo->lh, &pde->pde_openers);  in proc_reg_open()
345 		spin_unlock(&pde->pde_unload_lock);  in proc_reg_open()
349 	unuse_pde(pde);  in proc_reg_open()
355 	struct proc_dir_entry *pde = PDE(inode);  in proc_reg_release()  local
357 	spin_lock(&pde->pde_unload_lock);  in proc_reg_release()
358 	list_for_each_entry(pdeo, &pde->pde_openers, lh) {  in proc_reg_release()
360 			close_pdeo(pde, pdeo);  in proc_reg_release()
364 	spin_unlock(&pde->pde_unload_lock);  in proc_reg_release()
399 	struct proc_dir_entry *pde = PDE(d_inode(dentry));  in proc_follow_link()  local
400 	if (unlikely(!use_pde(pde)))  in proc_follow_link()
402 	nd_set_link(nd, pde->data);  in proc_follow_link()
403 	return pde;  in proc_follow_link()
424 		PROC_I(inode)->pde = de;  in proc_get_inode()