580 static void init_mmap_info(struct mmap_info *mip)  in init_mmap_info()  argument
582 	mip->buf_size = buf_size;  in init_mmap_info()
583 	mip->buf_nr = buf_nr;  in init_mmap_info()
584 	mip->pagesize = pagesize;  in init_mmap_info()
732 static int setup_mmap(int fd, unsigned int maxlen, struct mmap_info *mip)  in setup_mmap()  argument
734 	if (mip->fs_off + maxlen > mip->fs_buf_len) {  in setup_mmap()
735 		unsigned long nr = max(16, mip->buf_nr);  in setup_mmap()
737 		if (mip->fs_buf) {  in setup_mmap()
738 			munlock(mip->fs_buf, mip->fs_buf_len);  in setup_mmap()
739 			munmap(mip->fs_buf, mip->fs_buf_len);  in setup_mmap()
740 			mip->fs_buf = NULL;  in setup_mmap()
743 		mip->fs_off = mip->fs_size & (mip->pagesize - 1);  in setup_mmap()
744 		mip->fs_buf_len = (nr * mip->buf_size) - mip->fs_off;  in setup_mmap()
745 		mip->fs_max_size += mip->fs_buf_len;  in setup_mmap()
747 		if (ftruncate(fd, mip->fs_max_size) < 0) {  in setup_mmap()
752 		mip->fs_buf = my_mmap(NULL, mip->fs_buf_len, PROT_WRITE,  in setup_mmap()
754 				      mip->fs_size - mip->fs_off);  in setup_mmap()
755 		if (mip->fs_buf == MAP_FAILED) {  in setup_mmap()
759 		my_mlock(mip->fs_buf, mip->fs_buf_len);  in setup_mmap()
1554 	struct mmap_info *mip = &iop->mmap_info;  in close_iop()  local
1556 	if (mip->fs_buf)  in close_iop()
1557 		munmap(mip->fs_buf, mip->fs_buf_len);  in close_iop()
1560 		if (ftruncate(fileno(iop->ofp), mip->fs_size) < 0) {  in close_iop()
1664 	struct mmap_info *mip;  in handle_pfds_file()  local
1671 			mip = &iop->mmap_info;  in handle_pfds_file()
1673 			ret = setup_mmap(iop->ofd, buf_size, mip);  in handle_pfds_file()
1679 			ret = read(iop->ifd, mip->fs_buf + mip->fs_off,  in handle_pfds_file()
1683 				mip->fs_size += ret;  in handle_pfds_file()
1684 				mip->fs_off += ret;  in handle_pfds_file()
2369 	struct mmap_info *mip = &iop->mmap_info;  in net_client_read_data()  local
2377 	ret = net_recv_data(nc->fd, mip->fs_buf + mip->fs_off, bnh->len);  in net_client_read_data()
2380 		mip->fs_size += ret;  in net_client_read_data()
2381 		mip->fs_off += ret;  in net_client_read_data()