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authorArne Fitzenreiter <arne_f@ipfire.org>2015-07-15 13:54:36 +0200
committerSasha Levin <sasha.levin@oracle.com>2015-08-04 14:29:36 -0400
commite7a84605061b205350654641d823e1ca9589ec24 (patch)
treec6aea731ed9d5173d8e38ad26cb312e9ad2abdfa /include
parent7a889192e322242945874e52b25f88c8841c8f47 (diff)
libata: add ATA_HORKAGE_NOTRIM
[ Upstream commit 71d126fd28de2d4d9b7b2088dbccd7ca62fad6e0 ] 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 Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index b3a816f4c0c4..8f6a07441b85 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -429,6 +429,7 @@ enum {
ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19), /* don't use queued TRIM */
ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */
ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */
+ ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */