ocfs2: Fix extent lookup to return true size of holes
Initially, we had wired things to return a size '1' of holes. Cook up a
small amount of code to find the next extent and calculate the number of
clusters between the virtual offset and the next allocated extent.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index 0031c59..1d745e1 100644
--- a/fs/ocfs2/extent_map.h
+++ b/fs/ocfs2/extent_map.h
@@ -28,6 +28,6 @@
int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster,
u32 *num_clusters, unsigned int *extent_flags);
int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno,
- int *ret_count, unsigned int *extent_flags);
+ u64 *ret_count, unsigned int *extent_flags);
#endif /* _EXTENT_MAP_H */