Merge PR ceph#52523 into main

* refs/pull/52523/head:
	mds: remove dead method

Reviewed-by: Venky Shankar <[email protected]>

Author: vshankar

src/mds/Locker.cc

@@ -2090,24 +2090,6 @@ void Locker::xlock_import(SimpleLock *lock)
   lock->get_parent()->auth_pin(lock);
 }
 
-void Locker::xlock_downgrade(SimpleLock *lock, MutationImpl *mut)
-{
-  dout(10) << "xlock_downgrade on " << *lock << " " << *lock->get_parent() << dendl;
-  auto it = mut->locks.find(lock);
-  if (it->is_rdlock())
-    return; // already downgraded
-
-  ceph_assert(lock->get_parent()->is_auth());
-  ceph_assert(it != mut->locks.end());
-  ceph_assert(it->is_xlock());
-
-  lock->set_xlock_done();
-  lock->get_rdlock();
-  xlock_finish(it, mut, nullptr);
-  mut->emplace_lock(lock, MutationImpl::LockOp::RDLOCK);
-}
-
-
 // file i/o -----------------------------------------
 
 version_t Locker::issue_file_data_version(CInode *in)

src/mds/Locker.h

@@ -114,7 +114,6 @@ class Locker {
 
   void xlock_export(const MutationImpl::lock_iterator& it, MutationImpl *mut);
   void xlock_import(SimpleLock *lock);
-  void xlock_downgrade(SimpleLock *lock, MutationImpl *mut);
 
   void try_simple_eval(SimpleLock *lock);
   bool simple_rdlock_try(SimpleLock *lock, MDSContext *con);