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From: Jeff Moyer <jmoyer@redhat.com>
To: Alberto Mattea <alberto@mattea.info>
Cc: linux-kernel@vger.kernel.org
Subject: Re: sata_nv silently ignores discard (TRIM) command?
Date: Fri, 14 Jan 2011 13:57:45 -0500	[thread overview]
Message-ID: <x49fwsv9uty.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <201101141936.11923@alby> (Alberto Mattea's message of "Fri, 14 Jan 2011 19:36:11 +0100")

Alberto Mattea <alberto@mattea.info> writes:

> In data venerdì 14 gennaio 2011 19:32:45, Jeff Moyer ha scritto:
>> 
>> What does 'cat /sys/block/sda/queue/discard_zeroes_data' say?
>> 
>> Cheers,
>> Jeff
> Hi Jeff, it says 0. So I assume it's not working?

That means that discarded blocks are not zeroed.  The trim was likely
processed just fine.

Cheers,
Jeff

  reply	other threads:[~2011-01-14 18:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-14 17:50 sata_nv silently ignores discard (TRIM) command? Alberto Mattea
2011-01-14 18:32 ` Jeff Moyer
2011-01-14 18:36   ` Alberto Mattea
2011-01-14 18:57     ` Jeff Moyer [this message]
2011-01-14 19:00       ` Alberto Mattea

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