From: Ryusuke Konishi <ryusuke-sG5X7nlA6pw@public.gmane.org>
To: gordan-UpbECiGlrmGsTnJN9+BGXg@public.gmane.org
Cc: jir-hfpbi5WX9J54Eiagz67IpQ@public.gmane.org,
linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: TRIM Support?
Date: Wed, 26 May 2010 10:51:46 +0900 (JST) [thread overview]
Message-ID: <20100526.105146.144288938.ryusuke@osrg.net> (raw)
In-Reply-To: <87ljb7bftn.wl%jir-27yqGEOhnJbQT0dZR+AlfA@public.gmane.org>
On Wed, 26 May 2010 10:40:52 +0900, Jiro SEKIBA wrote:
> hi
>
> At Tue, 25 May 2010 19:16:50 +0100,
> Gordan Bobic wrote:
> >
> > Hi,
> >
> > I notice that the pitch for NILFS is that it is particularly suitable
> > for flash based media. Does it have any sort of support for TRIM
> > command? If not, is there at least an equivalent of dumpfs that could be
> > used to get the list of free blocks that could be passed to hdparm to
> > issue TRIM commands to the SSD?
>
> You may want to specify discard mount option for the purpose.
> see Documentation/filesystems/nilfs2.txt
FYI, the trim support ("-o discard") was merged at linux-2.6.34.
Cheers,
Ryusuke Konishi
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prev parent reply other threads:[~2010-05-26 1:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-25 18:16 TRIM Support? Gordan Bobic
[not found] ` <4BFC1412.6000908-UpbECiGlrmGsTnJN9+BGXg@public.gmane.org>
2010-05-26 1:40 ` Jiro SEKIBA
[not found] ` <87ljb7bftn.wl%jir-27yqGEOhnJbQT0dZR+AlfA@public.gmane.org>
2010-05-26 1:51 ` Ryusuke Konishi [this message]
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