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authorArne Fitzenreiter <arne_f@ipfire.org>2015-07-15 13:54:37 +0200
committerSasha Levin <sasha.levin@oracle.com>2015-08-27 13:26:12 -0400
commitdfacf53c1a6ecfd3ae1d81ac173c00366cb4db79 (patch)
treead76fa946b54c0b8c61cc169e5c3b7bdc3007592
parent3fa84d66219c984590bd59959e283fba6d4bc9e0 (diff)
downloadlinux-linaro-stable-dfacf53c1a6ecfd3ae1d81ac173c00366cb4db79.tar.gz
libata: force disable trim for SuperSSpeed S238
[ Upstream commit cda57b1b05cf7b8b99ab4b732bea0b05b6c015cc ] 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> Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
-rw-r--r--drivers/ata/libata-core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c40fca47e0fa..2247b0c4e9c4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4239,6 +4239,9 @@ 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