From 00716545c894fc464e00612809d9cb836b180c99 Mon Sep 17 00:00:00 2001 From: Denis Semakin Date: Tue, 13 Mar 2018 13:23:45 +0400 Subject: dm: add support for secure erase forwarding Set QUEUE_FLAG_SECERASE in DM device's queue_flags if a DM table's data devices support secure erase. Also, add support for secure erase to both the linear and striped targets. Signed-off-by: Denis Semakin Signed-off-by: Mike Snitzer --- drivers/md/dm-stripe.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/md/dm-stripe.c') diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index cd209e8902a6..bb907cb3e60d 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -169,6 +169,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->num_flush_bios = stripes; ti->num_discard_bios = stripes; + ti->num_secure_erase_bios = stripes; ti->num_write_same_bios = stripes; ti->num_write_zeroes_bios = stripes; @@ -295,6 +296,7 @@ static int stripe_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } if (unlikely(bio_op(bio) == REQ_OP_DISCARD) || + unlikely(bio_op(bio) == REQ_OP_SECURE_ERASE) || unlikely(bio_op(bio) == REQ_OP_WRITE_ZEROES) || unlikely(bio_op(bio) == REQ_OP_WRITE_SAME)) { target_bio_nr = dm_bio_get_target_bio_nr(bio); -- cgit v1.2.3-70-g09d2