Darrick J. Wong 71be6b4942 vfs: add a FALLOC_FL_UNSHARE mode to fallocate to unshare a range of blocks ...

Add a new fallocate mode flag that explicitly unshares blocks on
filesystems that support such features.  The new flag can only
be used with an allocate-mode fallocate call.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

2016-10-03 09:11:14 -07:00

753 B

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