Commit f8facb61 authored by Mike Snitzer's avatar Mike Snitzer Committed by Alasdair G Kergon
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dm: zero silently drop discards 



Have the zero target silently drop a discard rather than fail the
request with -EOPNOTSUPP.

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent b441a262

drivers/md/dm-zero.c

+5 −0
Original line number Diff line number Diff line
@@ -22,6 +22,11 @@ static int zero_ctr(struct dm_target *ti, unsigned int argc, char **argv) 
		return -EINVAL;

	}



	/*

	 * Silently drop discards, avoiding -EOPNOTSUPP.

	 */

	ti->num_discard_requests = 1;



	return 0;

}