- int unmap_on_exit = (eb->map_token == NULL); \
- if (eb->map_token && offset >= eb->map_start && \
- offset + sizeof(((type *)0)->member) <= eb->map_start + \
- eb->map_len) { \
- kaddr = eb->kaddr; \
- map_start = eb->map_start; \
- err = 0; \
- } else { \
- err = map_extent_buffer(eb, offset, \
- sizeof(((type *)0)->member), \
- &map_token, &kaddr, \
- &map_start, &map_len, KM_USER1); \
- } \
- if (!err) { \
- __le##bits *tmp = (__le##bits *)(kaddr + offset - \
- map_start); \
- u##bits res = le##bits##_to_cpu(*tmp); \
- if (unmap_on_exit) \
- unmap_extent_buffer(eb, map_token, KM_USER1); \
- return res; \
- } else { \
- __le##bits res; \
- read_eb_member(eb, NULL, type, member, &res); \
- return le##bits##_to_cpu(res); \
- } \
+ u##bits res; \
+ __le##bits *tmp = (__le##bits *)(kaddr + offset); \
+ res = le##bits##_to_cpu(*tmp); \
+ kunmap_atomic(kaddr, KM_USER0); \
+ return res; \