91  * run_deallocate_ex - Deallocate clusters.
122 				/* mark bitmap range [lcn + clen) as free and trim clusters. */  in run_deallocate_ex()
182 			/* Keep already allocated clusters. */  in attr_allocate_clusters()
283 	/* len - how many clusters required to store 'rsize' bytes */  in attr_make_nonresident()
370 	/* Undo: do not trim new allocated clusters. */  in attr_make_nonresident()
425  *   - Sparse/compressed: No allocated clusters.
426  *   - Normal: Append allocated and preallocated new clusters.
508 		/* Resize up normal file. Delay new clusters allocation. */  in attr_set_size_ex()
525 		/* Shrink delayed clusters. */  in attr_set_size_ex()
584 		 * Add clusters. In simple case we have to:  in attr_set_size_ex()
594 			/* MFT allocates clusters from MFT zone. */  in attr_set_size_ex()
764 		 * Truncate clusters. In simple case we have to:  in attr_set_size_ex()
768 		 *  - mark and trim clusters as free (vcn, lcn, len)  in attr_set_size_ex()
827 			/* dlen - really deallocated clusters. */  in attr_set_size_ex()
947  * @zero - zeroout new allocated clusters
951  *  - new allocated clusters are zeroed via blkdev_issue_zeroout.
1129 	/* Allocate frame aligned clusters.  in attr_data_get_block_locked()
1130 	 * ntfs.sys usually uses 16 clusters per frame for sparsed or compressed.  in attr_data_get_block_locked()
1201 		/* new added delay clusters = rlen2 - rlen1. */  in attr_data_get_block_locked()
1221 	/* Allocate and zeroout new clusters. */  in attr_data_get_block_locked()
1247 		/* Check case when vcn0 + len overlaps new allocated clusters. */  in attr_data_get_block_locked()
1711 		 * it does not contain any sparse clusters.  in attr_is_frame_compressed()
1757 				 * There is no sparsed clusters in this frame  in attr_is_frame_compressed()
1772  * attr_allocate_frame - Allocate/free clusters for @frame.
2046 	/* i_size - size of file with delay allocated clusters. */  in attr_collapse_range()
2076 	 * Check delayed clusters.  in attr_collapse_range()
2082 			 * The requested range is full in delayed clusters.  in attr_collapse_range()
2091 		/* Collapse request crosses real and delayed clusters. */  in attr_collapse_range()
2417 		 * Calculate how many clusters there are.  in attr_punch_hole()