releases/3.18.103/libata-enable-queued-trim-for-samsung-ssd-860.patch

   1 From ca6bfcb2f6d9deab3924bf901e73622a94900473 Mon Sep 17 00:00:00 2001
   2 From: Ju Hyung Park <qkrwngud825@gmail.com>
   3 Date: Sun, 11 Mar 2018 02:28:35 +0900
   4 Subject: libata: Enable queued TRIM for Samsung SSD 860
   5
   6 From: Ju Hyung Park <qkrwngud825@gmail.com>
   7
   8 commit ca6bfcb2f6d9deab3924bf901e73622a94900473 upstream.
   9
  10 Samsung explicitly states that queued TRIM is supported for Linux with
  11 860 PRO and 860 EVO.
  12
  13 Make the previous blacklist to cover only 840 and 850 series.
  14
  15 Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
  16 Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
  17 Signed-off-by: Tejun Heo <tj@kernel.org>
  18 Cc: stable@vger.kernel.org
  19 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  20
  21 ---
  22  drivers/ata/libata-core.c |    4 +++-
  23  1 file changed, 3 insertions(+), 1 deletion(-)
  24
  25 --- a/drivers/ata/libata-core.c
  26 +++ b/drivers/ata/libata-core.c
  27 @@ -4244,7 +4244,9 @@ static const struct ata_blacklist_entry
  28                                                 ATA_HORKAGE_ZERO_AFTER_TRIM, },
  29         { "Crucial_CT*MX100*",          "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
  30                                                 ATA_HORKAGE_ZERO_AFTER_TRIM, },
  31 -       { "Samsung SSD 8*",             NULL,   ATA_HORKAGE_NO_NCQ_TRIM |
  32 +       { "Samsung SSD 840*",           NULL,   ATA_HORKAGE_NO_NCQ_TRIM |
  33 +                                               ATA_HORKAGE_ZERO_AFTER_TRIM, },
  34 +       { "Samsung SSD 850*",           NULL,   ATA_HORKAGE_NO_NCQ_TRIM |
  35                                                 ATA_HORKAGE_ZERO_AFTER_TRIM, },
  36         { "FCCT*M500*",                 NULL,   ATA_HORKAGE_NO_NCQ_TRIM |
  37                                                 ATA_HORKAGE_ZERO_AFTER_TRIM, },