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-rw-r--r--tools/lvcreate.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/lvcreate.c b/tools/lvcreate.c
index da2b925e..6aecf1d0 100644
--- a/tools/lvcreate.c
+++ b/tools/lvcreate.c
@@ -797,6 +797,13 @@ static int _lvcreate_params(struct lvcreate_params *lp,
!_read_raid_params(lp, cmd))
return_0;
+ if (lp->create_thin_pool) {
+ lp->discards = arg_uint_value(cmd, discards_ARG, THIN_DISCARDS_PASSDOWN);
+ } else if (arg_count(cmd, discards_ARG)) {
+ log_error("--discards is only available for thin pool creation.");
+ return 0;
+ }
+
if (lp->snapshot && lp->thin && arg_count(cmd, chunksize_ARG))
log_warn("WARNING: Ignoring --chunksize with thin snapshots.");
else if (lp->thin && !lp->create_thin_pool) {