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authorArne Fitzenreiter <arne_f@ipfire.org>2015-07-15 14:54:36 +0300
committerTejun Heo <tj@kernel.org>2015-07-15 18:22:35 +0300
commit71d126fd28de2d4d9b7b2088dbccd7ca62fad6e0 (patch)
treefff55c2f8b8c3fe96789dfe3880e8d22da0af0d7 /include
parent08c85d2a599d967ede38a847f5594447b6100642 (diff)
downloadlinux-71d126fd28de2d4d9b7b2088dbccd7ca62fad6e0.tar.xz
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
Diffstat (limited to 'include')
-rw-r--r--include/linux/libata.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 36ce37bcc963..5c8bac6225a6 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -431,6 +431,8 @@ enum {
ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */
ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */
ATA_HORKAGE_NO_NCQ_LOG = (1 << 23), /* don't use NCQ for log read */
+ ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */
+
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */