linux-kernel - [PATCH 4.1 72/78] Add factory recertified Crucial M500s to blacklist

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Message-Id: <20150911224616.944792302@linuxfoundation.org>
Date:	Fri, 11 Sep 2015 15:50:13 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, "Guillermo A. Amaral" <g@...al.me>,
	Tejun Heo <tj@...nel.org>
Subject: [PATCH 4.1 72/78] Add factory recertified Crucial M500s to blacklist

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

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

From: "Guillermo A. Amaral" <g@...al.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@...al.me>
Signed-off-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/ata/libata-core.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4230,6 +4230,8 @@ static const struct ata_blacklist_entry
 						ATA_HORKAGE_ZERO_AFTER_TRIM, },
 	{ "Samsung SSD 8*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
 						ATA_HORKAGE_ZERO_AFTER_TRIM, },
+	{ "FCCT*M500*",			NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
+						ATA_HORKAGE_ZERO_AFTER_TRIM, },
 
 	/* devices that don't properly handle TRIM commands */
 	{ "SuperSSpeed S238*",		NULL,	ATA_HORKAGE_NOTRIM, },


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