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libata: Expose TRIM capability in sysfs
authorMartin K. Petersen <martin.petersen@oracle.com>
Tue, 5 May 2015 01:54:19 +0000 (21:54 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 3 Aug 2015 16:29:04 +0000 (09:29 -0700)
commite77d2137a071122135da5fa2418d5a7720bf7b07
tree1ae8cef44c23fb4b16fa16690e07b90d99613145tree
parenta1fcca3abfc219a53e397d131d253603d9f04015commit | diff
libata: Expose TRIM capability in sysfs

commit f303074160d3401970ccae082014e1ee5a9a52c5 upstream.

Create a sysfs "trim" attribute for each ata_device that displays
whether DSM TRIM is "unsupported", "unqueued", "forced_unqueued"
(blacklisted) or "queued".

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation/ABI/testing/sysfs-ata diff | blob | history
drivers/ata/libata-transport.c diff | blob | history
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