commit 1f04d92a1dd6173e38d7dc652dfe22876c40957e
Author: Joe Thornber <ejt@xxxxxxxxxx>
Date: Mon Mar 26 16:43:36 2012 +0100
dm-thin: don't set ti->discards_supported for the pool target
The pool is little more than a linear target; the default dm decision
about whether to support discards is adequate.
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index e5a6ed4..015cdce 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1646,10 +1646,8 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
pt->low_water_blocks = low_water_blocks;
pt->pf = pf;
ti->num_flush_requests = 1;
- if (pf.discard_enabled && pf.discard_passdown) {
- ti->discards_supported = 1;
+ if (pf.discard_enabled && pf.discard_passdown)
ti->num_discard_requests = 1;
- }
ti->private = pt;
pt->callbacks.congested_fn = pool_is_congested;
--
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