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libata: add ATA_HORKAGE_NOTRIM
authorArne Fitzenreiter <arne_f@ipfire.org>
Wed, 15 Jul 2015 11:54:36 +0000 (13:54 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 12 Aug 2015 14:33:21 +0000 (16:33 +0200)
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>
[bwh: Backported to 3.2:
 - Adjust context
 - Drop change to show_ata_dev_trim()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/ata/libata-scsi.c patch | blob | history
include/linux/libata.h patch | blob | history

diff --cc drivers/ata/libata-scsi.c
Simple merge
diff --cc include/linux/libata.h
Simple merge
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