| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 32/40] libata: whitelist all SAMSUNG MZ7KM* solid-state disks | Date | Thu, 20 Dec 2018 10:18:44 +0100 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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[ 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 | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index ba514fa733de..d543172b20b3 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -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, }, /* -- 2.19.1
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