Date: Thu, 17 Oct 2013 00:34:44 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Justin T. Gibbs" <gibbs@FreeBSD.org>, "Vitalij Satanivskij" <satan@ukr.net> Cc: freebsd-current@freebsd.org, Borja Marcos <borjam@sarenet.es>, Dmitriy Makarov <supportme@ukr.net> Subject: Re: ZFS secondarycache on SSD problem on r255173 Message-ID: <EF1B6F7DEA5241ECB49394F381F69DED@multiplay.co.uk> References: <1379069539.824504225.3b9xwugp@fmst-6.ukr.net> <EAD621124C1549208BD93D20657E1BD0@multiplay.co.uk> <74C1D072-77BB-4D6C-B78F-C8D2731FA0CF@sarenet.es> <DEF92E3685F3411D9B605ACFBEA16D94@multiplay.co.uk> <1379333192.127359970.ma5jnbc5@fmst-6.ukr.net> <1379334340.567465877.0b1lli6r@fmst-6.ukr.net> <8365CE736DC749DF95D0030A725211F6@multiplay.co.uk> <02549AD9-C456-4E17-927C-B4BCC97F8CC8@freebsd.org> <4AA28730F331444AB13108ABF0CD68B7@multiplay.co.uk> <1379496242.750778745.m0ksff1m@fmst-6.ukr.net> <20131016080100.GA27758@hell.ukr.net> <3A44A8F6-8B62-4A23-819D-B91A3E6E5EF9@freebsd.org> <E5E6AB7C-C067-4B92-8A38-9DD811011D6F@FreeBSD.org>
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----- Original Message -----
From: "Justin T. Gibbs" <gibbs@FreeBSD.org>
> I took a quick look at arc.c and see that the trim_map_free()
> calls don't take into account ashift. I don't know if that
> has anything to do with your problem though. I would expect
> this would just make the trim less efficient, but I need to
> dig further.
This is actually done by TRIM_ZIO_END in trim_map_free.
Regards
Steve
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