linux-kernel - [PATCH 3.19 051/101] libata: Blacklist queued TRIM on Samsung SSD 850 Pro

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Message-Id: <20150417132516.609127225@linuxfoundation.org>
Date:	Fri, 17 Apr 2015 15:28:39 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Stefan Keller <linux-list@...lenfresser.de>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Tejun Heo <tj@...nel.org>
Subject: [PATCH 3.19 051/101] libata: Blacklist queued TRIM on Samsung SSD 850 Pro

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

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

From: "Martin K. Petersen" <martin.petersen@...cle.com>

commit 6fc4d97a4987c5d247655a157a9377996626221a upstream.

Blacklist queued TRIM on this drive for now.

Reported-by: Stefan Keller <linux-list@...lenfresser.de>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
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
@@ -4243,6 +4243,8 @@ static const struct ata_blacklist_entry
 						ATA_HORKAGE_ZERO_AFTER_TRIM, },
 	{ "Crucial_CT*MX100*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM |
 						ATA_HORKAGE_ZERO_AFTER_TRIM, },
+	{ "Samsung SSD 850 PRO*",	NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
+						ATA_HORKAGE_ZERO_AFTER_TRIM, },
 
 	/*
 	 * As defined, the DRAT (Deterministic Read After Trim) and RZAT


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