From: Juha-Matti Tilli juha-matti.tilli@iki.fi
[ 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 6629a5deccbd..e155998e4696 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4295,6 +4295,7 @@ 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, },
/* devices that don't properly handle TRIM commands */