+ if (!cache_inode) {
+ CDEBUG(D_SNAP, "block %lu is a hole of inode %lu \n",
+ block, inode->i_ino);
+ memset(kmap(page), 0, PAGE_CACHE_SIZE);
+ flush_dcache_page(page);
+ GOTO(exit, rc = 0);
+ }
+ CDEBUG(D_INODE, "readpage ino %lu icount %d \n", cache_inode->i_ino,
+ atomic_read(&cache_inode->i_count));