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Diffstat (limited to 'drivers/md/raid5-cache.c')
-rw-r--r--drivers/md/raid5-cache.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 7ac035a73281..9531f5f05b93 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -827,6 +827,13 @@ void r5l_quiesce(struct r5l_log *log, int state)
return;
if (state == 0) {
log->in_teardown = 0;
+ /*
+ * This is a special case for hotadd. In suspend, the array has
+ * no journal. In resume, journal is initialized as well as the
+ * reclaim thread.
+ */
+ if (log->reclaim_thread)
+ return;
log->reclaim_thread = md_register_thread(r5l_reclaim_thread,
log->rdev->mddev, "reclaim");
} else if (state == 1) {