struct fuse_req *req = fuse_get_request_nonint(fc);
struct fuse_req *req = fuse_get_request(fc);
static int fuse_commit_write(struct file *file, struct page *page,			     unsigned offset, unsigned to){	int err;	size_t nres;	unsigned count = to - offset;	struct inode *inode = page->mapping->host;	struct fuse_conn *fc = get_fuse_conn(inode);	loff_t pos = ((loff_t) page->index << PAGE_CACHE_SHIFT) + offset;	struct fuse_req *req = fuse_get_request_nonint(fc);	if (!req)		return -EINTR;	req->num_pages = 1;	req->pages[0] = page;	req->page_offset = offset;	nres = fuse_send_write(req, file, inode, pos, count);	err = req->out.h.error;	fuse_put_request(fc, req);	if (!err && nres != count)		err = -EIO;	if (!err) {		pos += count;		if (pos > i_size_read(inode))			i_size_write(inode, pos);		if (offset == 0 && to == PAGE_CACHE_SIZE) {			clear_page_dirty(page);			SetPageUptodate(page);		}	}	fuse_invalidate_attr(inode);	return err;}