diff options
| author | Arne Fitzenreiter <arne_f@ipfire.org> | 2015-07-15 13:54:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-03 09:29:56 -0700 |
| commit | 9df7bfdab50978f8ccfba460827e138d1f4084f9 (patch) | |
| tree | 2d1b7e09540da2c63ed7a80d66dd3dc4f1e11bf1 /drivers | |
| parent | 64351188e4a28c362bb62f71254102892562f4a4 (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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index ef8567de6a75..6fecf0bde105 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2510,7 +2510,8 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) rbuf[14] = (lowest_aligned >> 8) & 0x3f; rbuf[15] = lowest_aligned; - if (ata_id_has_trim(args->id)) { + if (ata_id_has_trim(args->id) && + !(dev->horkage & ATA_HORKAGE_NOTRIM)) { rbuf[14] |= 0x80; /* TPE */ if (ata_id_has_zero_after_trim(args->id)) |