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
120  * ntfs_cluster_alloc - allocate clusters on an ntfs volume
121  * @vol:		mounted ntfs volume on which to allocate clusters
123  * @count:		number of clusters to allocate
124  * @start_lcn:		starting lcn at which to allocate the clusters or -1 if none
130  * Allocate @count clusters preferably starting at cluster @start_lcn or at the
132  * @vol. @zone is either DATA_ZONE for allocation of normal clusters or
133  * MFT_ZONE for allocation of clusters for the master file table, i.e. the
139  * If @is_extension is 'true', the caller is allocating clusters to extend an
140  * attribute and if it is 'false', the caller is allocating clusters to fill a
192 	s64 clusters, free_clusters;  in ntfs_cluster_alloc()  local
297 	/* Loop until all clusters are allocated, i.e. clusters == 0. */  in ntfs_cluster_alloc()
298 	clusters = count;  in ntfs_cluster_alloc()
303 	 * cover more clusters than that; bound the scan by the array.  in ntfs_cluster_alloc()
312 		/* Loop until we run out of free clusters. */  in ntfs_cluster_alloc()
443 			if (!--clusters) {  in ntfs_cluster_alloc()
691 			ntfs_debug("No free clusters left, going to out.");  in ntfs_cluster_alloc()
751 			"Failed to allocate clusters, aborting (error %i).",  in ntfs_cluster_alloc()
757 …to complete allocation, err -ENOSPC, first free lcn 0x%llx, could allocate up to 0x%llx clusters.",  in ntfs_cluster_alloc()
758 					rl[0].lcn, count - clusters);  in ntfs_cluster_alloc()
759 		/* Deallocate all allocated clusters. */  in ntfs_cluster_alloc()
783  * __ntfs_cluster_free - free clusters on an ntfs volume
784  * @ni:		ntfs inode whose runlist describes the clusters to free
785  * @start_vcn:	vcn in the runlist of @ni at which to start freeing clusters
786  * @count:	number of clusters to free or -1 for all clusters
790  * Free @count clusters starting at the cluster @start_vcn in the runlist
793  * If @count is -1, all clusters from @start_vcn to the end of the runlist are
794  * deallocated.  Thus, to completely free all clusters in a runlist, use
820  * Return the number of deallocated clusters (not counting sparse ones) on
903 	/* The number of clusters in this run that need freeing. */  in __ntfs_cluster_free()
909 		/* Do the actual freeing of the clusters in this run. */  in __ntfs_cluster_free()
919 		/* We have freed @to_free real clusters. */  in __ntfs_cluster_free()
922 	/* Go to the next run and adjust the number of clusters left to free. */  in __ntfs_cluster_free()
927 	/* Keep track of the total "freed" clusters, including sparse ones. */  in __ntfs_cluster_free()
956 		/* The number of clusters in this run that need freeing. */  in __ntfs_cluster_free()
962 			/* Do the actual freeing of the clusters in the run. */  in __ntfs_cluster_free()
970 			/* We have freed @to_free real clusters. */  in __ntfs_cluster_free()
973 		/* Adjust the number of clusters left to free. */  in __ntfs_cluster_free()
977 		/* Update the total done clusters. */  in __ntfs_cluster_free()
1025 	/* We are done.  Return the number of actually freed clusters. */  in __ntfs_cluster_free()
1031 	/* If no real clusters were freed, no need to rollback. */  in __ntfs_cluster_free()