// ntifs.h

typedef enum _REFS_SMR_VOLUME_GC_METHOD {
  SmrGcMethodCompaction = 1,
  SmrGcMethodCompression = 2,
  SmrGcMethodRotation = 3
} REFS_SMR_VOLUME_GC_METHOD, *PREFS_SMR_VOLUME_GC_METHOD;
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Windows Driver Kit DDI reference (ne-ntifs-_refs_smr_volume_gc_method)

REFS_SMR_VOLUME_GC_METHOD enumeration

Description

The REFS_SMR_VOLUME_GC_METHOD enum specifies the garbage collection method or strategy for FSCTL_SET_REFS_SMR_VOLUME_GC_PARAMETERS.

Constants

`SmrGcMethodCompaction:1`

Specifies the use of the compaction method for garbage collection.

`SmrGcMethodCompression:2`

Specifies the use of the compression method for garbage collection.

`SmrGcMethodRotation:3`

Specifies the use of the rotation method for garbage collection. Moves data from one tier to another.

Remarks

Currently the only supported value is SmrGcMethodCompaction.

REFS_SMR_VOLUME_GC_METHOD - NtDoc