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[3.16.y-ckt,078/118] libata: force disable trim for SuperSSpeed S238

Message ID 1439369820-27005-79-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques Aug. 12, 2015, 8:56 a.m. UTC 
3.16.7-ckt16 -stable review patch.  If anyone has any objections, please let me know.

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

From: Arne Fitzenreiter <arne_f@ipfire.org>

commit cda57b1b05cf7b8b99ab4b732bea0b05b6c015cc upstream.

This device loses blocks, often the partition table area, on trim.
Disable TRIM.
http://pcengines.ch/msata16a.htm

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
[ luis: backported to 3.16: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/ata/libata-core.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index ef37e80fe9d5..d9ea12a004bc 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4232,6 +4232,9 @@  static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "Crucial_CT*MX100*",		"MU01", ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Samsung SSD 8*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
 
+	/* devices that don't properly handle TRIM commands */
+	{ "SuperSSpeed S238*",		NULL,	ATA_HORKAGE_NOTRIM, },
+
 	/*
 	 * Some WD SATA-I drives spin up and down erratically when the link
 	 * is put into the slumber mode.  We don't have full list of the