nfs_lock_request(new); 
static int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode,		struct page *page){	LIST_HEAD(one_request);	struct nfs_page	*new;	unsigned int len;	len = nfs_page_length(inode, page);	if (len == 0)		return nfs_return_empty_page(page);	new = nfs_create_request(ctx, inode, page, 0, len);	if (IS_ERR(new)) {		unlock_page(page);		return PTR_ERR(new);	}	if (len < PAGE_CACHE_SIZE)		memclear_highpage_flush(page, len, PAGE_CACHE_SIZE - len);	nfs_lock_request(new);	nfs_list_add_request(new, &one_request);	nfs_pagein_one(&one_request, inode);	return 0;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/c6a556b88adfacd2af90be84357c8165d716c27d/read.c/clean/fs/nfs/read.c