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()
95 static struct file *__alloc_file(int flags, const struct cred *cred)  in __alloc_file()
97 	struct file *f;  in __alloc_file()
133 struct file *alloc_empty_file(int flags, const struct cred *cred)  in alloc_empty_file()
136 	struct file *f;  in alloc_empty_file()
170 struct file *alloc_empty_file_noaccount(int flags, const struct cred *cred)  in alloc_empty_file_noaccount()
172 	struct file *f = __alloc_file(flags, cred);  in alloc_empty_file_noaccount()
187 static struct file *alloc_file(const struct path *path, int flags,  in alloc_file()
190 	struct file *file;  in alloc_file()  local
192 	file = alloc_empty_file(flags, current_cred());  in alloc_file()
193 	if (IS_ERR(file))  in alloc_file()
194 		return file;  in alloc_file()
196 	file->f_path = *path;  in alloc_file()
197 	file->f_inode = path->dentry->d_inode;  in alloc_file()
198 	file->f_mapping = path->dentry->d_inode->i_mapping;  in alloc_file()
199 	file->f_wb_err = filemap_sample_wb_err(file->f_mapping);  in alloc_file()
200 	if ((file->f_mode & FMODE_READ) &&  in alloc_file()
202 		file->f_mode |= FMODE_CAN_READ;  in alloc_file()
203 	if ((file->f_mode & FMODE_WRITE) &&  in alloc_file()
205 		file->f_mode |= FMODE_CAN_WRITE;  in alloc_file()
206 	file->f_mode |= FMODE_OPENED;  in alloc_file()
207 	file->f_op = fop;  in alloc_file()
208 	if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)  in alloc_file()
210 	return file;  in alloc_file()
213 struct file *alloc_file_pseudo(struct inode *inode, struct vfsmount *mnt,  in alloc_file_pseudo()
222 	struct file *file;  in alloc_file_pseudo()  local
231 	file = alloc_file(&path, flags, fops);  in alloc_file_pseudo()
232 	if (IS_ERR(file)) {  in alloc_file_pseudo()
236 	return file;  in alloc_file_pseudo()
240 struct file *alloc_file_clone(struct file *base, int flags,  in alloc_file_clone()
243 	struct file *f = alloc_file(&base->f_path, flags, fops);  in alloc_file_clone()
253 static void __fput(struct file *file)  in __fput()  argument
255 	struct dentry *dentry = file->f_path.dentry;  in __fput()
256 	struct vfsmount *mnt = file->f_path.mnt;  in __fput()
257 	struct inode *inode = file->f_inode;  in __fput()
259 	if (unlikely(!(file->f_mode & FMODE_OPENED)))  in __fput()
264 	fsnotify_close(file);  in __fput()
269 	eventpoll_release(file);  in __fput()
270 	locks_remove_file(file);  in __fput()
272 	ima_file_free(file);  in __fput()
273 	if (unlikely(file->f_flags & FASYNC)) {  in __fput()
274 		if (file->f_op->fasync)  in __fput()
275 			file->f_op->fasync(-1, file, 0);  in __fput()
277 	if (file->f_op->release)  in __fput()
278 		file->f_op->release(inode, file);  in __fput()
280 		     !(file->f_mode & FMODE_PATH))) {  in __fput()
283 	fops_put(file->f_op);  in __fput()
284 	put_pid(file->f_owner.pid);  in __fput()
285 	if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)  in __fput()
287 	if (file->f_mode & FMODE_WRITER) {  in __fput()
294 	file_free(file);  in __fput()
301 	struct file *f, *t;  in delayed_fput()
309 	__fput(container_of(work, struct file, f_u.fu_rcuhead));  in ____fput()
329 void fput(struct file *file)  in fput()  argument
331 	if (atomic_long_dec_and_test(&file->f_count)) {  in fput()
335 			init_task_work(&file->f_u.fu_rcuhead, ____fput);  in fput()
336 			if (!task_work_add(task, &file->f_u.fu_rcuhead, true))  in fput()
345 		if (llist_add(&file->f_u.fu_llist, &delayed_fput_list))  in fput()
358 void __fput_sync(struct file *file)  in __fput_sync()  argument
360 	if (atomic_long_dec_and_test(&file->f_count)) {  in __fput_sync()
363 		__fput(file);  in __fput_sync()
372 	filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,  in files_init()