os/FileJournal: When dump journal, using correctly seq avoid misjudging joural corrupt.

In func FileJournal::dump, it always using seq=0 as last-seq and it can
misjudge the journal corrupt.

Signed-off-by: Ma Jianpeng <jianpeng.ma@intel.com>
(cherry picked from commit 5f65b4db6d1dad7c2c5a09eab42af63a82ea9e9b)

diff --git a/src/os/FileJournal.cc b/src/os/FileJournal.cc
index ce98877d96f0aaa6f5f0601d4edaf95e0ea91342..5eab7b530aa2fca1b955891f1bc6f08eec0a3aac 100644 (file)
--- a/src/os/FileJournal.cc
+++ b/src/os/FileJournal.cc
@@ -567,9 +567,9 @@ int FileJournal::dump(ostream& out)
   JSONFormatter f(true);
 
   f.open_array_section("journal");
+  uint64_t seq = 0;
   while (1) {
     bufferlist bl;
-    uint64_t seq = 0;
     uint64_t pos = read_pos;
     if (!read_entry(bl, seq)) {
       dout(3) << "journal_replay: end of journal, done." << dendl;