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Subject[PATCH 3.18 08/93] libata: Enable queued TRIM for Samsung SSD 860
Date
3.18-stable review patch.  If anyone has any objections, please let me know.

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

From: Ju Hyung Park <qkrwngud825@gmail.com>

commit ca6bfcb2f6d9deab3924bf901e73622a94900473 upstream.

Samsung explicitly states that queued TRIM is supported for Linux with
860 PRO and 860 EVO.

Make the previous blacklist to cover only 840 and 850 series.

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/ata/libata-core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4244,7 +4244,9 @@ 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 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ { "Samsung SSD 840*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },

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