On Tue, Jul 14, 2020 at 11:36 PM Michal Hocko <mhocko@xxxxxxxxxx> wrote: > > On Tue 14-07-20 10:32:20, Suren Baghdasaryan wrote: > [...] > > I'm not sure how we can annotate the fact that the inode_lock in > > generic_file_write_iter and in shmem_fallocate always operate on > > different inodes. Ideas? > > I believe that the standard way is to use lockdep_set_class on your > backing inode. But asking lockdep experts would be better than relying > on my vague recollection Thanks Michal! I think https://lkml.org/lkml/2020/7/15/1390 should fix it, however I was unable to reproduce the lockdep warning to confirm that this warning gets fixed by the patch. > > -- > Michal Hocko > SUSE Labs
