dm raid: fixup documentation for discard support

Remove comment above parse_raid_params() that claims
"devices_handle_discard_safely" is a table line argument when it is
actually is a module parameter.

Also, backfill dm-raid target version 1.6.0 documentation.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Reviewed-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 88e4c7f24986..423e42e9a1ad 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -477,8 +477,6 @@ too_many:
  *                                      will form the "stripe"
  *    [[no]sync]                        Force or prevent recovery of the
  *                                      entire array
- *    [devices_handle_discard_safely]   Allow discards on RAID4/5/6; useful if RAID
- *                                      member device(s) properly support TRIM/UNMAP
  *    [rebuild <idx>]                   Rebuild the drive indicated by the index
  *    [daemon_sleep <ms>]               Time between bitmap daemon work to
  *                                      clear bits