[PATCH 3.4 027/107] libata: force disable trim for SuperSSpeed S238

lizf
2016-03-16T08:38:55Z

From: Arne Fitzenreiter <arne_f@ipfire.org>

3.4.111-rc1 review patch. If anyone has any objections, please let me know.

------------------

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: Zefan Li <lizefan@huawei.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 b5d532f..5a3b08b 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4144,6 +4144,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, },
{ "Seagate FreeAgent GoFlex", NULL, ATA_HORKAGE_1_5_GBPS, },

+ /* devices that don't properly handle TRIM commands */
+ { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, },
+
/*
* Devices which choke on SETXFER. Applies only if both the
* device and controller are SATA.
--
1.9.1