features/changelog: changelog threads are not cleaned properly after receive GF_EVENT_CLEANUP

Problem: changelog threads are not cleaned properly after receive
         GF_EVENT_CLEANUP while brick mux is enabled

Solution: change changelog notify code path to cleanup threads
          properly

BUG: 1524816
Change-Id: I007f4e14e3d557707df738faf222b78c793d5ab5
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/xlators/features/changelog/src/changelog-rpc.c b/xlators/features/changelog/src/changelog-rpc.c
index 72b5cdbc7cb..4b2b38cad51 100644
--- a/xlators/features/changelog/src/changelog-rpc.c
+++ b/xlators/features/changelog/src/changelog-rpc.c
@@ -22,10 +22,11 @@ changelog_cleanup_dispatchers (xlator_t *this,
         for (count--; count >= 0; count--) {
                 (void) changelog_thread_cleanup
                         (this, priv->ev_dispatcher[count]);
+                priv->ev_dispatcher[count] = 0;
         }
 }
 
-static int
+int
 changelog_cleanup_rpc_threads (xlator_t *this, changelog_priv_t *priv)
 {
         int ret = 0;
@@ -39,6 +40,8 @@ changelog_cleanup_rpc_threads (xlator_t *this, changelog_priv_t *priv)
         ret = changelog_thread_cleanup (this, priv->connector);
         if (ret != 0)
                 goto error_return;
+        priv->connector = 0;
+
         /** terminate dispatcher thread(s) */
         changelog_cleanup_dispatchers (this, priv, priv->nr_dispatchers);