| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 021/110] libata: Blacklist queued TRIM on all Samsung 800-series | Date | Fri, 5 Jun 2015 14:57:04 +0100 |
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3.16.7-ckt13 -stable review patch. If anyone has any objections, please let me know.
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From: "Martin K. Petersen" <martin.petersen@oracle.com>
commit 9a9324d3969678d44b330e1230ad2c8ae67acf81 upstream.
The queued TRIM problems appear to be generic to Samsung's firmware and not tied to a particular model. A recent update to the 840 EVO firmware introduced the same issue as we saw on 850 Pro.
Blacklist queued TRIM on all 800-series drives while we work this issue with Samsung.
Reported-by: Günter Waller <g.wal@web.de> Reported-by: Sven Köhler <sven.koehler@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Tejun Heo <tj@kernel.org> [ luis: backported to 3.16: - adjusted context - drop ZERO_AFTER_TRIM flag ] Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/ata/libata-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 7d094261d8ca..29358ff3e05e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4229,7 +4229,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "Micron_M5[15]0*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM, }, { "Crucial_CT*M550*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM, }, { "Crucial_CT*MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM, }, - { "Samsung SSD 850 PRO*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, + { "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, /* * Some WD SATA-I drives spin up and down erratically when the link
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