Steven Hartland e05aad2d33 Add TRIM support for L2ARC. ... This adds TRIM support to cache vdevs. When ARC buffers are removed from the L2ARC in arc_hdr_destroy(), arc_release() or l2arc_evict(), the size previously occupied by the buffer gets scheduled for TRIMming. As always, actual TRIMs are only issued to the L2ARC after txg_trim_limit. Reviewed by: pjd (mentor) Approved by: pjd (mentor) Obtained from: 31aae37399 MFC after: 2 weeks		2013-03-21 09:34:41 +00:00
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boot/zfs	MFV r245512:	2013-02-09 06:39:28 +00:00
compat/opensolaris	MFC @248493	2013-03-19 11:09:15 +00:00
contrib/opensolaris	Add TRIM support for L2ARC.	2013-03-21 09:34:41 +00:00
dev	Add FBT for PowerPC DTrace. Also, clean up the DTrace assembly code,	2013-03-18 05:30:18 +00:00