f2fs: Suppress discard warning message for zoned block devices

For zoned block devices, discard is replaced by zone reset. So
do not warn if the device does not supports discard.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Damien Le Moal 2016-10-28 17:45:02 +09:00 • committed by Jaegeuk Kim
commit 0ab0299835