libata: add ATA_HORKAGE_NOTRIM
authorArne Fitzenreiter <arne_f@ipfire.org>
Wed, 15 Jul 2015 11:54:36 +0000 (13:54 +0200)
committerTejun Heo <tj@kernel.org>
Wed, 15 Jul 2015 15:22:35 +0000 (11:22 -0400)
commit71d126fd28de2d4d9b7b2088dbccd7ca62fad6e0
treefff55c2f8b8c3fe96789dfe3880e8d22da0af0d7
parent08c85d2a599d967ede38a847f5594447b6100642
libata: add ATA_HORKAGE_NOTRIM

Some devices lose data on TRIM whether queued or not.  This patch adds
a horkage to disable TRIM.

tj: Collapsed unnecessary if() nesting.

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
drivers/ata/libata-scsi.c
drivers/ata/libata-transport.c
include/linux/libata.h