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ctl(4): Do hole-punching for UNMAP to file-backed LUNs
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Authored by khng on Sun, Sep 12, 7:17 PM.

Details

Summary

This adds support for SCSI UNMAP command to file-backed LUNs, if the
underlying file system has a non-zerofilling VOP_DEALLOCATE
implementation where some or all parts of the requested operation range
may be deallocated.

Sponsored by: The FreeBSD Foundation

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Repository
R10 FreeBSD src repository
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