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libata: whitelist all SAMSUNG MZ7KM* solid-state disks
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[ Upstream commit fd6f32f ]

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>
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Juha-Matti Tilli authored and Greg Kroah-Hartman committed Dec 21, 2018
1 parent 7150d10 commit 08349ed
Showing 1 changed file with 1 addition and 0 deletions.
1 change: 1 addition & 0 deletions drivers/ata/libata-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -4297,6 +4297,7 @@ 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, },

/*
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