libata: force disable trim for SuperSSpeed S238
authorArne Fitzenreiter <arne_f@ipfire.org>
Wed, 15 Jul 2015 11:54:37 +0000 (13:54 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 3 Aug 2015 16:29:45 +0000 (09:29 -0700)
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/ata/libata-core.c

index a440a2034df844da189b11564e77422615f2999c..53d35b6fd8bb48c53dc8fdaca66addfe73133248 100644 (file)
@@ -4201,6 +4201,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        { "PIONEER DVD-RW  DVR-212D",   NULL,   ATA_HORKAGE_NOSETXFER },
        { "PIONEER DVD-RW  DVR-216D",   NULL,   ATA_HORKAGE_NOSETXFER },
 
+       /* devices that don't properly handle TRIM commands */
+       { "SuperSSpeed S238*",          NULL,   ATA_HORKAGE_NOTRIM, },
+
        /*
         * Some WD SATA-I drives spin up and down erratically when the link
         * is put into the slumber mode.  We don't have full list of the