23  * ntfs_cluster_free_from_rl_nolock - free clusters from runlist
24  * @vol:	mounted ntfs volume on which to free the clusters
25  * @rl:		runlist describing the clusters to free
27  * Free all the clusters described by the runlist @rl on the volume @vol.  In
28  * the case of an error being returned, at least some of the clusters were not
59  * ntfs_cluster_alloc - allocate clusters on an ntfs volume
60  * @vol:	mounted ntfs volume on which to allocate the clusters
62  * @count:	number of clusters to allocate
63  * @start_lcn:	starting lcn at which to allocate the clusters (or -1 if none)
64  * @zone:	zone from which to allocate the clusters
67  * Allocate @count clusters preferably starting at cluster @start_lcn or at the
69  * @vol. @zone is either DATA_ZONE for allocation of normal clusters or
70  * MFT_ZONE for allocation of clusters for the master file table, i.e. the
76  * If @is_extension is 'true', the caller is allocating clusters to extend an
77  * attribute and if it is 'false', the caller is allocating clusters to fill a
139 	s64 clusters;  in ntfs_cluster_alloc()  local
238 	/* Loop until all clusters are allocated, i.e. clusters == 0. */  in ntfs_cluster_alloc()
239 	clusters = count;  in ntfs_cluster_alloc()
253 		/* Loop until we run out of free clusters. */  in ntfs_cluster_alloc()
400 			if (!--clusters) {  in ntfs_cluster_alloc()
683 			ntfs_debug("No free clusters left, going to out.");  in ntfs_cluster_alloc()
744 	ntfs_error(vol->sb, "Failed to allocate clusters, aborting "  in ntfs_cluster_alloc()
753 					"clusters.",  in ntfs_cluster_alloc()
755 					(unsigned long long)(count - clusters));  in ntfs_cluster_alloc()
756 		/* Deallocate all allocated clusters. */  in ntfs_cluster_alloc()
776  * __ntfs_cluster_free - free clusters on an ntfs volume
777  * @ni:		ntfs inode whose runlist describes the clusters to free
778  * @start_vcn:	vcn in the runlist of @ni at which to start freeing clusters
779  * @count:	number of clusters to free or -1 for all clusters
783  * Free @count clusters starting at the cluster @start_vcn in the runlist
786  * If @count is -1, all clusters from @start_vcn to the end of the runlist are
787  * deallocated.  Thus, to completely free all clusters in a runlist, use
813  * Return the number of deallocated clusters (not counting sparse ones) on
885 	/* The number of clusters in this run that need freeing. */  in __ntfs_cluster_free()
891 		/* Do the actual freeing of the clusters in this run. */  in __ntfs_cluster_free()
900 		/* We have freed @to_free real clusters. */  in __ntfs_cluster_free()
903 	/* Go to the next run and adjust the number of clusters left to free. */  in __ntfs_cluster_free()
908 	/* Keep track of the total "freed" clusters, including sparse ones. */  in __ntfs_cluster_free()
942 		/* The number of clusters in this run that need freeing. */  in __ntfs_cluster_free()
948 			/* Do the actual freeing of the clusters in the run. */  in __ntfs_cluster_free()
957 			/* We have freed @to_free real clusters. */  in __ntfs_cluster_free()
960 		/* Adjust the number of clusters left to free. */  in __ntfs_cluster_free()
964 		/* Update the total done clusters. */  in __ntfs_cluster_free()
972 	/* We are done.  Return the number of actually freed clusters. */  in __ntfs_cluster_free()
978 	/* If no real clusters were freed, no need to rollback. */  in __ntfs_cluster_free()