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

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

From: Tejun Heo <t...@kernel.org>

commit 322579dcc865b94b47345ad1b6002ad167f85405 upstream.

Sandisk SSDs SD7SN6S256G and SD8SN8U256G are regularly locking up
regularly under sustained moderate load with NCQ enabled.  Blacklist
for now.

Signed-off-by: Tejun Heo <t...@kernel.org>
Reported-by: Dave Jones <da...@codemonkey.org.uk>
Cc: sta...@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/ata/libata-core.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4493,6 +4493,10 @@ static const struct ata_blacklist_entry
        /* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */
        { "C300-CTFDDAC128MAG", "0001",         ATA_HORKAGE_NONCQ, },
 
+       /* Some Sandisk SSDs lock up hard with NCQ enabled.  Reported on
+          SD7SN6S256G and SD8SN8U256G */
+       { "SanDisk SD[78]SN*G", NULL,           ATA_HORKAGE_NONCQ, },
+
        /* devices which puke on READ_NATIVE_MAX */
        { "HDS724040KLSA80",    "KFAOA20N",     ATA_HORKAGE_BROKEN_HPA, },
        { "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA },


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