BlueFS: _flush_and_sync_log_jump_D should validate that log.writer->pos <= jump_to...

Signed-off-by: dheart <dheart_joe@163.com>

diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
index 9ee05b177b12fb06771eb15fc2948c9b6479f375..1986f67fa292c4ca312d9b7c0e94ba449363e632 100644 (file)
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -3796,6 +3796,7 @@ int BlueFS::_flush_and_sync_log_jump_D(uint64_t jump_to)
 
   dout(10) << __func__ << " jumping log offset from 0x" << std::hex
           << log.writer->pos << " -> 0x" << jump_to << std::dec << dendl;
+  ceph_assert(log.writer->pos <= jump_to);
   log.writer->pos = jump_to;
   vselector->sub_usage(log.writer->file->vselector_hint, log.writer->file->fnode.size);
   log.writer->file->fnode.size = jump_to;