445 	 * How many clusters in our truncate log.
731 					   u32 clusters)  in ocfs2_clusters_to_blocks()  argument
736 	return (u64)clusters << c_to_b_bits;  in ocfs2_clusters_to_blocks()
762 	unsigned int clusters;  in ocfs2_clusters_for_bytes()  local
765 	/* OCFS2 just cannot have enough clusters to overflow this */  in ocfs2_clusters_for_bytes()
766 	clusters = (unsigned int)(bytes >> cl_bits);  in ocfs2_clusters_for_bytes()
768 	return clusters;  in ocfs2_clusters_for_bytes()
775 	unsigned int clusters;  in ocfs2_bytes_to_clusters()  local
777 	clusters = (unsigned int)(bytes >> cl_bits);  in ocfs2_bytes_to_clusters()
778 	return clusters;  in ocfs2_bytes_to_clusters()
789 					  u32 clusters)  in ocfs2_clusters_to_bytes()  argument
791 	return (u64)clusters << OCFS2_SB(sb)->s_clustersize_bits;  in ocfs2_clusters_to_bytes()
798 	unsigned int clusters;  in ocfs2_block_to_cluster_start()  local
800 	clusters = ocfs2_blocks_to_clusters(sb, blocks);  in ocfs2_block_to_cluster_start()
801 	return (u64)clusters << bits;  in ocfs2_block_to_cluster_start()
808 	unsigned int clusters;  in ocfs2_align_bytes_to_clusters()  local
810 	clusters = ocfs2_clusters_for_bytes(sb, bytes);  in ocfs2_align_bytes_to_clusters()
811 	return (u64)clusters << cl_bits;  in ocfs2_align_bytes_to_clusters()
831 	u32 clusters = pg_index;  in ocfs2_page_index_to_clusters()  local
835 		clusters = pg_index << (PAGE_SHIFT - cbits);  in ocfs2_page_index_to_clusters()
837 		clusters = pg_index >> (cbits - PAGE_SHIFT);  in ocfs2_page_index_to_clusters()
839 	return clusters;  in ocfs2_page_index_to_clusters()
843  * Find the 1st page index which covers the given clusters.
846 							u32 clusters)  in ocfs2_align_clusters_to_page_index()  argument
849         pgoff_t index = clusters;  in ocfs2_align_clusters_to_page_index()
852 		index = (pgoff_t)clusters >> (PAGE_SHIFT - cbits);  in ocfs2_align_clusters_to_page_index()
854 		index = (pgoff_t)clusters << (cbits - PAGE_SHIFT);  in ocfs2_align_clusters_to_page_index()
880 						       unsigned int clusters)  in ocfs2_clusters_to_megabytes()  argument
882 	return clusters >> (20 - OCFS2_SB(sb)->s_clustersize_bits);  in ocfs2_clusters_to_megabytes()