@@ -1705,6 +1705,11 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock,
/* Lookup extent status tree firstly */
if (ext4_es_lookup_extent(inode, iblock, NULL, &es)) {
+ retval = es.es_len - (iblock - es.es_lblk);
+ if (retval > map->m_len)
+ retval = map->m_len;
+ map->m_len = retval;
+
if (ext4_es_is_hole(&es))
goto add_delayed;
@@ -1720,10 +1725,6 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock,
}
map->m_pblk = ext4_es_pblock(&es) + iblock - es.es_lblk;
- retval = es.es_len - (iblock - es.es_lblk);
- if (retval > map->m_len)
- retval = map->m_len;
- map->m_len = retval;
if (ext4_es_is_written(&es))
map->m_flags |= EXT4_MAP_MAPPED;
else if (ext4_es_is_unwritten(&es))