mds: avoid ~mdsdir's scrubbing and reporting damage health status

Setting backtrace.passed as true in case of mdsdir,
as we are not having any backtrace.It would prevent the
entry in the damage table and hence prevent the HEALTH_ERR.

Fixes: https://tracker.ceph.com/issues/58030
Signed-off-by: Neeraj Pratap Singh <neesingh@redhat.com>
(cherry picked from commit ab2b23ba697ab944516d92860652c839c427cb50)

diff --git a/src/mds/CInode.cc b/src/mds/CInode.cc
index 07517eeb7007edb3daad7f481bb4a9ed968f66dc..6fa2c4eb82ef83545b6fa8585acbb6a7616deeaf 100644 (file)
--- a/src/mds/CInode.cc
+++ b/src/mds/CInode.cc
@@ -4693,6 +4693,10 @@ void CInode::validate_disk_state(CInode::validated_data *results,
         results->backtrace.error_str << "failed to read off disk; see retval";
         // we probably have a new unwritten file!
         // so skip the backtrace scrub for this entry and say that all's well
+        if (in->is_mdsdir()){
+          dout(20) << "forcing backtrace as passed since mdsdir actually doesn't have backtrace" << dendl;
+          results->backtrace.passed = true;
+        }
         if (in->is_dirty_parent()) {
           dout(20) << "forcing backtrace as passed since inode is dirty parent" << dendl;
           results->backtrace.passed = true;