ntfs/libntfs/lcnalloc.c

196  * ntfs_cluster_alloc - allocate clusters on an ntfs volume
197  * @vol:	mounted ntfs volume on which to allocate the clusters
199  * @count:	number of clusters to allocate
200  * @start_lcn:	starting lcn at which to allocate the clusters (or -1 if none)
201  * @zone:	zone from which to allocate the clusters
203  * Allocate @count clusters preferably starting at cluster @start_lcn or at the
205  * @vol. @zone is either DATA_ZONE for allocation of normal clusters and
206  * MFT_ZONE for allocation of clusters for the master file table, i.e. the
242 	s64 clusters, br;
312 	/* Loop until all clusters are allocated. */
313 	clusters = count;
372 				ntfs_log_error("Non-positive free clusters "
410 			if (!--clusters) {
543 		ntfs_log_perror("Failed to allocate clusters");
570  * ntfs_cluster_free_from_rl - free clusters from runlist
571  * @vol:	mounted ntfs volume on which to free the clusters
572  * @rl:		runlist from which deallocate clusters
606 		ntfs_log_error("Too many free clusters (%lld > %lld)!",
642 		ntfs_log_error("Too many free clusters (%lld > %lld)!",
649  * ntfs_cluster_free - free clusters on an ntfs volume
650  * @vol:	mounted ntfs volume on which to free the clusters
651  * @na:		attribute whose runlist describes the clusters to free
652  * @start_vcn:	vcn in @rl at which to start freeing clusters
653  * @count:	number of clusters to free or -1 for all clusters
655  * Free @count clusters starting at the cluster @start_vcn in the runlist
658  * If @count is -1, all clusters from @start_vcn to the end of the runlist
661  * On success return the number of deallocated clusters (not counting sparse
662  * clusters) and on error return -1 with errno set to the error code.
698 	/* The number of clusters in this run that need freeing. */
704 		/* Do the actual freeing of the clusters in this run. */
712 	/* Go to the next run and adjust the number of clusters left to free. */
732 		/* The number of clusters in this run that need freeing. */
765 		ntfs_log_error("Too many free clusters (%lld > %lld)!",