+/*
+ * read page from file, directory or symlink, given a file to nominate the key
+ * to be used
+ */
+static int afs_readpage(struct file *file, struct page *page)
+{
+ struct key *key;
+ int ret;
+
+ if (file) {
+ key = file->private_data;
+ ASSERT(key != NULL);
+ ret = afs_page_filler(key, page);
+ } else {
+ struct inode *inode = page->mapping->host;
+ key = afs_request_key(AFS_FS_S(inode->i_sb)->volume->cell);
+ if (IS_ERR(key)) {
+ ret = PTR_ERR(key);
+ } else {
+ ret = afs_page_filler(key, page);
+ key_put(key);
+ }
+ }
+ return ret;
+}
+