diff options
| author | Arne Fitzenreiter <arne_f@ipfire.org> | 2015-07-15 13:54:36 +0200 |
|---|---|---|
| committer | Luis Henriques <luis.henriques@canonical.com> | 2015-08-11 09:57:31 +0100 |
| commit | 17702a9ba8c13611c6c94d23401183cbcfd06b26 (patch) | |
| tree | f3112c15eeaa7c2e8f10ef7ab7f36bcc105493ba /include/linux | |
| parent | e61ee9bb4e456e8e4b7e66e6f0b796e2d09e942b (diff) | |
libata: add ATA_HORKAGE_NOTRIM
commit 71d126fd28de2d4d9b7b2088dbccd7ca62fad6e0 upstream.
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>
[ luis: backported to 3.16:
- dropped changes to show_ata_dev_trim
- adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/libata.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 91aac2525c09..714274450c07 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -429,6 +429,8 @@ 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 */ |