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DFSFRSPC

DFSFRSPC (source module DFSFRSP0) is a CSECT within the DL/I space management load module DFSDHDS0. It frees space in a database at a given location for a given length.

While it is freeing the space, DFSFRSPC will look for free space adjacent to the space being freed. DFSFRSPC will combine the adjacent free space with the current freed space, if appropriate. If necessary, the bitmap will be updated to indicate that space for the largest segment is now available in this block.

Hints

For performance considerations for CSECT DFSFRSPC, refer to module DFSDHDS0.

Reference Sources

More information is available in the IMS DBSOURCE Library Data Set. See your IMS systems programmer.