libceph, ceph: change ceph_calc_file_object_mapping() signature

- make it void
- xlen (object extent length) out parameter should be u32 because only
  a single stripe unit is mapped at a time

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
index d41fad99c0fa..92314035dac1 100644
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -280,10 +280,9 @@ bool ceph_osds_changed(const struct ceph_osds *old_acting,
                        const struct ceph_osds *new_acting,
                        bool any_change);
 
-/* calculate mapping of a file extent to an object */
-extern int ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
-                                         u64 off, u64 len,
-                                         u64 *bno, u64 *oxoff, u64 *oxlen);
+void ceph_calc_file_object_mapping(struct ceph_file_layout *l,
+                                   u64 off, u64 len,
+                                   u64 *objno, u64 *objoff, u32 *xlen);
 
 int __ceph_object_locator_to_pg(struct ceph_pg_pool_info *pi,
                                 const struct ceph_object_id *oid,