1IDR_DESTROY(9)          Basic Kernel Library Functions          IDR_DESTROY(9)
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NAME

6       idr_destroy - release all cached layers within an idr tree
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SYNOPSIS

9       void idr_destroy(struct idr * idp);
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ARGUMENTS

12       idp
13           idr handle
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DESCRIPTION

16       Free all id mappings and all idp_layers. After this function, idp is
17       completely unused and can be freed / recycled. The caller is
18       responsible for ensuring that no one else accesses idp during or after
19       idr_destroy.
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21       A typical clean-up sequence for objects stored in an idr tree will use
22       idr_for_each to free all objects, if necessay, then idr_destroy to free
23       up the id mappings and cached idr_layers.
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26Kernel Hackers Manual 3.10         June 2019                    IDR_DESTROY(9)
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