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Date: Thu, 20 Dec 2018 10:18:34 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, "Martin K. Petersen" <martin.petersen@...cle.com>, Juha-Matti Tilli <juha-matti.tilli@....fi>, Jens Axboe <axboe@...nel.dk>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 3.18 22/31] libata: whitelist all SAMSUNG MZ7KM* solid-state disks 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ [ 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@...cle.com> Signed-off-by: Juha-Matti Tilli <juha-matti.tilli@....fi> Signed-off-by: Jens Axboe <axboe@...nel.dk> Signed-off-by: Sasha Levin <sashal@...nel.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 */ -- 2.19.1
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