svn commit: r248572 - in head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs: . sys

[Dmitry Morozovsky]

On Thu, 21 Mar 2013, Steven Hartland wrote:

> Author: smh
> Date: Thu Mar 21 09:34:41 2013
> New Revision: 248572
> URL: http://svnweb.freebsd.org/changeset/base/248572
> 
> Log:
>   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:	https://github.com/dechamps/zfs/commit/31aae373994fd112256607edba7de2359da3e9dc
>   MFC after:	2 weeks

Wow!

Thank you very much.

(I possibly missed -- when did TRIM support for regular ZFS MFCed to stable/9?)

-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck at FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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