From: Arne Fitzenreiter <arne_f@ipfire.org>
Date: Wed, 15 Jul 2015 11:54:36 +0000 (+0200)
Subject: libata: add ATA_HORKAGE_NOTRIM
X-Git-Tag: v3.2.71~23
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ceea41b03e5d31fc9781373cca839dd882c9b58;p=pandora-kernel.git

libata: add ATA_HORKAGE_NOTRIM

commit 71d126fd28de2d4d9b7b2088dbccd7ca62fad6e0 upstream.

Some devices lose data on TRIM whether queued or not.  This patch adds
a horkage to disable TRIM.

tj: Collapsed unnecessary if() nesting.

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
[bwh: Backported to 3.2:
 - Adjust context
 - Drop change to show_ata_dev_trim()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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