On Mon, 2021-11-29 at 16:46 +0000, David Howells wrote: > Jeff Layton <jlayton@xxxxxxxxxx> wrote: > > > +void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci) > > { > > - return fscache_register_netfs(&ceph_cache_netfs); > > + struct fscache_cookie* cookie = xchg(&ci->fscache, NULL); > > + > > + fscache_relinquish_cookie(cookie, false); > > } > > xchg() should be excessive there. This is only called from > ceph_evict_inode(). Also, if you're going to reset the pointer, it might be > worth poisoning it rather than nulling it. > Ok, makes sense. I'll make that change soon. -- Jeff Layton <jlayton@xxxxxxxxxx>