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| Started by | Kamal Mostafa <kamal@canonical.com> |
|---|---|
| First post | 2015-08-28 01:00 +0200 |
| Last post | 2015-08-28 01:00 +0200 |
| Articles | 1 — 1 participant |
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[PATCH 3.19.y-ckt 010/130] libata: force disable trim for SuperSSpeed S238 Kamal Mostafa <kamal@canonical.com> - 2015-08-28 01:00 +0200
| From | Kamal Mostafa <kamal@canonical.com> |
|---|---|
| Date | 2015-08-28 01:00 +0200 |
| Subject | [PATCH 3.19.y-ckt 010/130] libata: force disable trim for SuperSSpeed S238 |
| Message-ID | <q2ejf-1y1-3@gated-at.bofh.it> |
3.19.8-ckt6 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Arne Fitzenreiter <arne_f@ipfire.org>
commit cda57b1b05cf7b8b99ab4b732bea0b05b6c015cc upstream.
This device loses blocks, often the partition table area, on trim.
Disable TRIM.
http://pcengines.ch/msata16a.htm
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
drivers/ata/libata-core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index b1d52c9..45a4c3f 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4247,6 +4247,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ /* devices that don't properly handle TRIM commands */
+ { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, },
+
/*
* As defined, the DRAT (Deterministic Read After Trim) and RZAT
* (Return Zero After Trim) flags in the ATA Command Set are
--
1.9.1
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