On Fri, Apr 26, 2019 at 10:01 AM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > What I don't understand is why would anyone want to mess with > name snapshots for dentry_path() lookalikes... Talking about dentry_path()... Shouldn't the ceph path walking code also check the mount_lock sequence to make sure the path is actually stable? Maybe it doesn't matter. Linus