K 10
svn:author
V 4
will
K 8
svn:date
V 27
2015-01-21T17:03:11.948128Z
K 7
svn:log
V 326
Add vfs.zfs.reference_tracking_enable sysctl/tunable.

This is primarily for developer/debugging use; it enables built-in tagged
tracking of refcounts inside ZFS.  It can only be enabled from the loader,
since it modifies how in-core state is managed.  Default remains disabled.

MFC after:	1 week
Sponsored by:	Spectra Logic

END