| From | Kamal Mostafa <> | Subject | [PATCH 3.19.y-ckt 035/146] libata: Blacklist queued TRIM on all Samsung 800-series | Date | Wed, 17 Jun 2015 15:22:20 -0700 |
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3.19.8-ckt2 -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> Signed-off-by: Kamal Mostafa <kamal@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 3fa27a6..0b8d57c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4243,7 +4243,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, - { "Samsung SSD 850 PRO*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | + { "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, /* -- 1.9.1
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