46 	struct file *f = container_of(head, struct file, f_u.fu_rcuhead);  in file_free_rcu()
52 static inline void file_free(struct file *f)  in file_free()
103 struct file *get_empty_filp(void)  in get_empty_filp()
107 	struct file *f;  in get_empty_filp()
158 struct file *alloc_file(struct path *path, fmode_t mode,  in alloc_file()
161 	struct file *file;  in alloc_file()  local
163 	file = get_empty_filp();  in alloc_file()
164 	if (IS_ERR(file))  in alloc_file()
165 		return file;  in alloc_file()
167 	file->f_path = *path;  in alloc_file()
168 	file->f_inode = path->dentry->d_inode;  in alloc_file()
169 	file->f_mapping = path->dentry->d_inode->i_mapping;  in alloc_file()
176 	file->f_mode = mode;  in alloc_file()
177 	file->f_op = fop;  in alloc_file()
180 	return file;  in alloc_file()
186 static void __fput(struct file *file)  in __fput()  argument
188 	struct dentry *dentry = file->f_path.dentry;  in __fput()
189 	struct vfsmount *mnt = file->f_path.mnt;  in __fput()
190 	struct inode *inode = file->f_inode;  in __fput()
194 	fsnotify_close(file);  in __fput()
199 	eventpoll_release(file);  in __fput()
200 	locks_remove_file(file);  in __fput()
202 	if (unlikely(file->f_flags & FASYNC)) {  in __fput()
203 		if (file->f_op->fasync)  in __fput()
204 			file->f_op->fasync(-1, file, 0);  in __fput()
206 	ima_file_free(file);  in __fput()
207 	if (file->f_op->release)  in __fput()
208 		file->f_op->release(inode, file);  in __fput()
209 	security_file_free(file);  in __fput()
211 		     !(file->f_mode & FMODE_PATH))) {  in __fput()
214 	fops_put(file->f_op);  in __fput()
215 	put_pid(file->f_owner.pid);  in __fput()
216 	if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)  in __fput()
218 	if (file->f_mode & FMODE_WRITER) {  in __fput()
222 	file->f_path.dentry = NULL;  in __fput()
223 	file->f_path.mnt = NULL;  in __fput()
224 	file->f_inode = NULL;  in __fput()
225 	file_free(file);  in __fput()
238 		__fput(llist_entry(node, struct file, f_u.fu_llist));  in delayed_fput()
244 	__fput(container_of(work, struct file, f_u.fu_rcuhead));  in ____fput()
264 void fput(struct file *file)  in fput()  argument
266 	if (atomic_long_dec_and_test(&file->f_count)) {  in fput()
270 			init_task_work(&file->f_u.fu_rcuhead, ____fput);  in fput()
271 			if (!task_work_add(task, &file->f_u.fu_rcuhead, true))  in fput()
280 		if (llist_add(&file->f_u.fu_llist, &delayed_fput_list))  in fput()
293 void __fput_sync(struct file *file)  in __fput_sync()  argument
295 	if (atomic_long_dec_and_test(&file->f_count)) {  in __fput_sync()
298 		__fput(file);  in __fput_sync()
304 void put_filp(struct file *file)  in put_filp()  argument
306 	if (atomic_long_dec_and_test(&file->f_count)) {  in put_filp()
307 		security_file_free(file);  in put_filp()
308 		file_free(file);  in put_filp()
314 	filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,  in files_init()