[PATCH 3.16.y-ckt 118/130] Add factory recertified Crucial M500s to blacklist

From	Luis Henriques <luis.henriques@canonical.com>
Newsgroups	linux.kernel
Subject	[PATCH 3.16.y-ckt 118/130] Add factory recertified Crucial M500s to blacklist
Date	2015-09-04 15:20 +0200
Message-ID	<q4Z4l-39P-9@gated-at.bofh.it> (permalink)
References	<q4YUF-2WE-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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3.16.7-ckt17 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Guillermo A. Amaral" <g@maral.me>

commit 7a7184b01aa9deb86df661c6f7cbcf69a95b728c upstream.

The Crucial M500 is known to have issues with queued TRIM commands, the
factory recertified SSDs use a different model number naming convention
which causes them to get ignored by the blacklist.

The new naming convention boils down to: s/Crucial_/FC/

Signed-off-by: Guillermo A. Amaral <g@maral.me>
Signed-off-by: Tejun Heo <tj@kernel.org>
[ luis: backported to 3.16:
  - dropped ATA_HORKAGE_ZERO_AFTER_TRIM flag
  - adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/ata/libata-core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c9707bcf430c..cfa2982d7286 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4231,6 +4231,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "Crucial_CT*M550*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Crucial_CT*MX100*",		"MU01", ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Samsung SSD 8*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
+	{ "FCCT*M500*",			NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
 
 	/* devices that don't properly handle TRIM commands */
 	{ "SuperSSpeed S238*",		NULL,	ATA_HORKAGE_NOTRIM, },
--
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[PATCH 3.16.y-ckt 118/130] Add factory recertified Crucial M500s to blacklist Luis Henriques <luis.henriques@canonical.com> - 2015-09-04 15:20 +0200

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