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Date:      Tue, 21 Aug 2018 20:09 -0500
From:      Greg Rivers <gcr+freebsd-current@tharned.org>
To:        Bob Prohaska <fbsd@www.zefox.net>
Cc:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: CFT: TRIM Consolodation on UFS/FFS filesystems
Message-ID:  <1659279.80fYreCAfO@no.place.like.home>
In-Reply-To: <20180822004843.GA84687@www.zefox.net>
References:  <201808201940.w7KJeu29072094@chez.mckusick.com> <20180822004843.GA84687@www.zefox.net>

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On Tuesday, August 21, 2018 17:48:43 Bob Prohaska wrote:
> Will the new feature be active  on a Raspberry Pi 3 using flash 
> on microSD and USB for file systems and swap? 
> 
It will work on any UFS file system, as long as the underlying medium supports TRIM. It will not work for swap because swap is not UFS.

> Can the feature be turned on using one of the conf files in /etc? 
> 
No, TRIM and other UFS features are controlled by parameters in the UFS superblock. See tunefs(8).

-- 
Greg



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