From: Igor Fedotov <ifedotov@suse.com>
Date: Tue, 23 Aug 2022 17:21:48 +0000 (+0300)
Subject: os/bluestore: do not call allocator's release on empty set
X-Git-Tag: v19.0.0~207^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=36961d644ce11e89c789e9112e9f3702f8580829;p=ceph.git

os/bluestore: do not call allocator's release on empty set

Signed-off-by: Igor Fedotov <ifedotov@croit.io>
---

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 33d1d998308..33eb0943c0a 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -13055,7 +13055,8 @@ void BlueStore::_txc_release_alloc(TransContext *txc)
 {
   bool discard_queued = false;
   // it's expected we're called with lazy_release_lock already taken!
-  if (unlikely(cct->_conf->bluestore_debug_no_reuse_blocks)) {
+  if (unlikely(cct->_conf->bluestore_debug_no_reuse_blocks ||
+               txc->released.size() == 0)) {
       goto out;
   }
   discard_queued = bdev->try_discard(txc->released);