ext4_es_lookup_extent
ext4_es_lookup_extent(inode, le32_to_cpu(ex->ee_block),
if (!ext4_es_lookup_extent(inode, block, &next, &es, NULL))
EXPORT_SYMBOL_FOR_EXT4_TEST(ext4_es_lookup_extent);
extern int ext4_es_lookup_extent(struct inode *inode, ext4_lblk_t lblk,
if (ext4_es_lookup_extent(inode, map->m_lblk, NULL, &es, NULL)) {
if (ext4_es_lookup_extent(inode, map->m_lblk, NULL, &es, NULL)) {
if (ext4_es_lookup_extent(inode, map->m_lblk, NULL, &es, &map->m_seq)) {