458 	 * How many clusters in our truncate log.
743 					   u32 clusters)  in ocfs2_clusters_to_blocks()  argument
748 	return (u64)clusters << c_to_b_bits;  in ocfs2_clusters_to_blocks()
774 	unsigned int clusters;  in ocfs2_clusters_for_bytes()  local
777 	/* OCFS2 just cannot have enough clusters to overflow this */  in ocfs2_clusters_for_bytes()
778 	clusters = (unsigned int)(bytes >> cl_bits);  in ocfs2_clusters_for_bytes()
780 	return clusters;  in ocfs2_clusters_for_bytes()
787 	unsigned int clusters;  in ocfs2_bytes_to_clusters()  local
789 	clusters = (unsigned int)(bytes >> cl_bits);  in ocfs2_bytes_to_clusters()
790 	return clusters;  in ocfs2_bytes_to_clusters()
801 					  u32 clusters)  in ocfs2_clusters_to_bytes()  argument
803 	return (u64)clusters << OCFS2_SB(sb)->s_clustersize_bits;  in ocfs2_clusters_to_bytes()
810 	unsigned int clusters;  in ocfs2_block_to_cluster_start()  local
812 	clusters = ocfs2_blocks_to_clusters(sb, blocks);  in ocfs2_block_to_cluster_start()
813 	return (u64)clusters << bits;  in ocfs2_block_to_cluster_start()
820 	unsigned int clusters;  in ocfs2_align_bytes_to_clusters()  local
822 	clusters = ocfs2_clusters_for_bytes(sb, bytes);  in ocfs2_align_bytes_to_clusters()
823 	return (u64)clusters << cl_bits;  in ocfs2_align_bytes_to_clusters()
843 	u32 clusters = pg_index;  in ocfs2_page_index_to_clusters()  local
847 		clusters = pg_index << (PAGE_SHIFT - cbits);  in ocfs2_page_index_to_clusters()
849 		clusters = pg_index >> (cbits - PAGE_SHIFT);  in ocfs2_page_index_to_clusters()
851 	return clusters;  in ocfs2_page_index_to_clusters()
855  * Find the 1st page index which covers the given clusters.
858 							u32 clusters)  in ocfs2_align_clusters_to_page_index()  argument
861         pgoff_t index = clusters;  in ocfs2_align_clusters_to_page_index()
864 		index = (pgoff_t)clusters >> (PAGE_SHIFT - cbits);  in ocfs2_align_clusters_to_page_index()
866 		index = (pgoff_t)clusters << (cbits - PAGE_SHIFT);  in ocfs2_align_clusters_to_page_index()
892 						       unsigned int clusters)  in ocfs2_clusters_to_megabytes()  argument
894 	return clusters >> (20 - OCFS2_SB(sb)->s_clustersize_bits);  in ocfs2_clusters_to_megabytes()