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libata: whitelist all SAMSUNG MZ7KM* solid-state disks
authorJuha-Matti Tilli <juha-matti.tilli@iki.fi>
Sun, 2 Dec 2018 10:47:08 +0000 (12:47 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 21 Dec 2018 13:13:15 +0000 (14:13 +0100)
[ Upstream commit fd6f32f78645db32b6b95a42e45da2ddd6de0e67 ]

These devices support read zero after trim (RZAT), as they advertise to
the OS. However, the OS doesn't believe the SSDs unless they are
explicitly whitelisted.

Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Juha-Matti Tilli <juha-matti.tilli@iki.fi>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/ata/libata-core.c patch | blob | blame | history

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 6938bd86ff1c8197134dbabbd08da56de245a7b3..04f406d7e9734d676ace66394b8fcf1a1017a1e0 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4593,6 +4593,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        { "SSD*INTEL*",                 NULL,   ATA_HORKAGE_ZERO_AFTER_TRIM, },
        { "Samsung*SSD*",               NULL,   ATA_HORKAGE_ZERO_AFTER_TRIM, },
        { "SAMSUNG*SSD*",               NULL,   ATA_HORKAGE_ZERO_AFTER_TRIM, },
+       { "SAMSUNG*MZ7KM*",             NULL,   ATA_HORKAGE_ZERO_AFTER_TRIM, },
        { "ST[1248][0248]0[FH]*",       NULL,   ATA_HORKAGE_ZERO_AFTER_TRIM, },
 
        /*