TRIM support for UFS?

[Pawel Jakub Dawidek]

On Thu, Dec 09, 2010 at 12:34:11PM +0200, Kostik Belousov wrote:
> I still think that TRIM should be opt-in, at least for the first time.
> Below is the BIO_GETATTR change integrated.
> 
> Now, both FS_TRIM should be set and device shall report the
> GEOM::candelete attribute as true to have BIO_DELETE issued. geom_disk
> and md(4) report GEOM::candelete. Also, I updated tunefs(8) manpage,
> missed in the previous version.
[...]
> --- a/sbin/tunefs/tunefs.c
> +++ b/sbin/tunefs/tunefs.c
[...]
> @@ -1035,6 +1069,8 @@ printfs(void)
>  		(sblock.fs_flags & FS_SUJ)? "enabled" : "disabled");
>  	warnx("gjournal: (-J)                                     %s",
>  		(sblock.fs_flags & FS_GJOURNAL)? "enabled" : "disabled");
> +	warnx("trim: (-p)                                         %s", 

s/-p/-t/

Other than that looks nice and clean.

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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