From: Xuehan Xu <xxhdx1985126@gmail.com>
Date: Fri, 10 Jun 2022 03:31:31 +0000 (+0800)
Subject: crimson/os/seastore/segment_cleaner: fix journal seq leak issue
X-Git-Tag: v18.0.0~648^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=7f1b2514baf9599d9cb7bcd6e6644acbab26a5f1;p=ceph.git

crimson/os/seastore/segment_cleaner: fix journal seq leak issue

Signed-off-by: Xuehan Xu <xxhdx1985126@gmail.com>
---

diff --git a/src/crimson/os/seastore/segment_cleaner.cc b/src/crimson/os/seastore/segment_cleaner.cc
index c553f58d298a..a3c3d6bb04bd 100644
--- a/src/crimson/os/seastore/segment_cleaner.cc
+++ b/src/crimson/os/seastore/segment_cleaner.cc
@@ -948,7 +948,8 @@ SegmentCleaner::gc_reclaim_space_ret SegmentCleaner::gc_reclaim_space()
 		  return _retrieve_live_extents(
 		    t, std::move(backrefs), extents);
 		}).si_then([this, &seq, &t](auto nseq) {
-		  if (nseq != JOURNAL_SEQ_NULL && nseq > seq)
+		  if (nseq != JOURNAL_SEQ_NULL &&
+		      (nseq > seq || seq == JOURNAL_SEQ_NULL))
 		    seq = nseq;
 		  auto fut = BackrefManager::merge_cached_backrefs_iertr::now();
 		  if (seq != JOURNAL_SEQ_NULL) {