160 static int dma_buf_file_release(struct inode *inode, struct file *file)  in dma_buf_file_release()  argument
164 	if (!is_dma_buf_file(file))  in dma_buf_file_release()
167 	dmabuf = file->private_data;  in dma_buf_file_release()
203 static int dma_buf_mmap_internal(struct file *file, struct vm_area_struct *vma)  in dma_buf_mmap_internal()  argument
207 	if (!is_dma_buf_file(file))  in dma_buf_mmap_internal()
210 	dmabuf = file->private_data;  in dma_buf_mmap_internal()
224 static loff_t dma_buf_llseek(struct file *file, loff_t offset, int whence)  in dma_buf_llseek()  argument
229 	if (!is_dma_buf_file(file))  in dma_buf_llseek()
232 	dmabuf = file->private_data;  in dma_buf_llseek()
283 static __poll_t dma_buf_poll(struct file *file, poll_table *poll)  in dma_buf_poll()  argument
292 	dmabuf = file->private_data;  in dma_buf_poll()
298 	poll_wait(file, &dmabuf->poll, poll);  in dma_buf_poll()
456 static long dma_buf_ioctl(struct file *file,  in dma_buf_ioctl()  argument
465 	dmabuf = file->private_data;  in dma_buf_ioctl()
543 static void dma_buf_show_fdinfo(struct seq_file *m, struct file *file)  in dma_buf_show_fdinfo()  argument
545 	struct dma_buf *dmabuf = file->private_data;  in dma_buf_show_fdinfo()
549 	seq_printf(m, "count:\t%ld\n", file_count(dmabuf->file) - 1);  in dma_buf_show_fdinfo()
570 int is_dma_buf_file(struct file *file)  in is_dma_buf_file()  argument
572 	return file->f_op == &dma_buf_fops;  in is_dma_buf_file()
576 static struct file *dma_buf_getfile(struct dma_buf *dmabuf, int flags)  in dma_buf_getfile()
579 	struct file *file;  in dma_buf_getfile()  local
595 	file = alloc_file_pseudo(inode, dma_buf_mnt, "dmabuf",  in dma_buf_getfile()
597 	if (IS_ERR(file))  in dma_buf_getfile()
599 	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);  in dma_buf_getfile()
600 	file->private_data = dmabuf;  in dma_buf_getfile()
601 	file->f_path.dentry->d_fsdata = dmabuf;  in dma_buf_getfile()
603 	return file;  in dma_buf_getfile()
607 	return file;  in dma_buf_getfile()
673 	struct file *file;  in dma_buf_export()  local
726 	file = dma_buf_getfile(dmabuf, exp_info->flags);  in dma_buf_export()
727 	if (IS_ERR(file)) {  in dma_buf_export()
728 		ret = PTR_ERR(file);  in dma_buf_export()
732 	file->f_mode |= FMODE_LSEEK;  in dma_buf_export()
733 	dmabuf->file = file;  in dma_buf_export()
761 	file->f_path.dentry->d_fsdata = NULL;  in dma_buf_export()
762 	fput(file);  in dma_buf_export()
782 	if (!dmabuf || !dmabuf->file)  in dma_buf_fd()
789 	fd_install(fd, dmabuf->file);  in dma_buf_fd()
805 	struct file *file;  in dma_buf_get()  local
807 	file = fget(fd);  in dma_buf_get()
809 	if (!file)  in dma_buf_get()
812 	if (!is_dma_buf_file(file)) {  in dma_buf_get()
813 		fput(file);  in dma_buf_get()
817 	return file->private_data;  in dma_buf_get()
833 	if (WARN_ON(!dmabuf || !dmabuf->file))  in dma_buf_put()
836 	fput(dmabuf->file);  in dma_buf_put()
1372 	struct file *oldfile;  in dma_buf_mmap()
1392 	get_file(dmabuf->file);  in dma_buf_mmap()
1394 	vma->vm_file = dmabuf->file;  in dma_buf_mmap()
1401 		fput(dmabuf->file);  in dma_buf_mmap()
1539 				buf_obj->file->f_flags, buf_obj->file->f_mode,  in dma_buf_debug_show()
1540 				file_count(buf_obj->file),  in dma_buf_debug_show()
1542 				file_inode(buf_obj->file)->i_ino,  in dma_buf_debug_show()