123 	int fd;  member
138 	int fd;  member
156 	.fd =			-1,	\
165 	.fd =			-1, \
500 	int fd;  in ubd_file_size()  local
517 	fd = os_open_file(ubd_dev->file, of_read(OPENFLAGS()), 0);  in ubd_file_size()
518 	if (fd < 0)  in ubd_file_size()
519 		return fd;  in ubd_file_size()
521 	err = read_cow_header(file_reader, &fd, &version, &backing_file, \  in ubd_file_size()
523 	os_close_file(fd);  in ubd_file_size()
534 static int read_cow_bitmap(int fd, void *buf, int offset, int len)  in read_cow_bitmap()  argument
538 	err = os_seek_file(fd, offset);  in read_cow_bitmap()
542 	err = os_read_file(fd, buf, len);  in read_cow_bitmap()
624 	int fd, err, sectorsize, asked_switch, mode = 0644;  in open_ubd_file()  local
626 	fd = os_open_file(file, *openflags, mode);  in open_ubd_file()
627 	if (fd < 0) {  in open_ubd_file()
628 		if ((fd == -ENOENT) && (create_cow_out != NULL))  in open_ubd_file()
631 		    ((fd != -EROFS) && (fd != -EACCES)))  in open_ubd_file()
632 			return fd;  in open_ubd_file()
634 		fd = os_open_file(file, *openflags, mode);  in open_ubd_file()
635 		if (fd < 0)  in open_ubd_file()
636 			return fd;  in open_ubd_file()
642 		err = os_lock_file(fd, openflags->w);  in open_ubd_file()
652 		return fd;  in open_ubd_file()
654 	err = read_cow_header(file_reader, &fd, &version, &backing_file, &mtime,  in open_ubd_file()
662 		return fd;  in open_ubd_file()
672 		err = write_cow_header(file, fd, *backing_file_out,  in open_ubd_file()
688 	return fd;  in open_ubd_file()
690 	os_close_file(fd);  in open_ubd_file()
699 	int err, fd;  in create_cow_file()  local
702 	fd = open_ubd_file(cow_file, &flags, 0, NULL, NULL, NULL, NULL, NULL);  in create_cow_file()
703 	if (fd < 0) {  in create_cow_file()
704 		err = fd;  in create_cow_file()
710 	err = init_cow_file(fd, cow_file, backing_file, sectorsize, alignment,  in create_cow_file()
714 		return fd;  in create_cow_file()
715 	os_close_file(fd);  in create_cow_file()
722 	os_close_file(ubd_dev->fd);  in ubd_close_dev()
726 	os_close_file(ubd_dev->cow.fd);  in ubd_close_dev()
736 	int fd;  in ubd_open_dev()  local
743 	fd = open_ubd_file(ubd_dev->file, &ubd_dev->openflags, ubd_dev->shared,  in ubd_open_dev()
748 	if((fd == -ENOENT) && create_cow){  in ubd_open_dev()
749 		fd = create_cow_file(ubd_dev->file, ubd_dev->cow.file,  in ubd_open_dev()
754 		if(fd >= 0){  in ubd_open_dev()
760 	if(fd < 0){  in ubd_open_dev()
762 		       -fd);  in ubd_open_dev()
763 		return fd;  in ubd_open_dev()
765 	ubd_dev->fd = fd;  in ubd_open_dev()
778 		err = read_cow_bitmap(ubd_dev->fd, ubd_dev->cow.bitmap,  in ubd_open_dev()
789 		ubd_dev->cow.fd = err;  in ubd_open_dev()
793 	os_close_file(ubd_dev->fd);  in ubd_open_dev()
1221 	io_req->fds[0] = (ubd_dev->cow.file != NULL) ? ubd_dev->cow.fd :  in prepare_request()
1222 		ubd_dev->fd;  in prepare_request()
1223 	io_req->fds[1] = ubd_dev->fd;  in prepare_request()
1250 	io_req->fds[0] = (ubd_dev->cow.file != NULL) ? ubd_dev->cow.fd :  in prepare_flush_request()
1251 		ubd_dev->fd;  in prepare_flush_request()