On Thu, 2023-11-16 at 16:28 +0000, Al Viro wrote: > On Thu, Nov 16, 2023 at 07:50:03AM -0500, Jeff Layton wrote: > > > > Am I missing something subtle here? Looks like that dget() is never > > > reached... > > > > No, I think you're correct. That looks like dead code to me too. > > Probably we can just remove that "if (!dir)" condition altogether. > > > > Did you want to send a patch, or would you rather Xiubo or I do it? > > Up to you... AFAICS, it had been dead code since ca6c8ae0f793 "ceph: pass > parent inode info to ceph_encode_dentry_release if we have it". In other > words, that "if we have it" had already been true at that point. Prior > to that commit dget() in there had been unconditional (and really a deadlock > fodder); making it conditional had made it actually unreachable and that > fixed the actual bug. That makes sense. Xiubo, would you mind spinning up a patch for this? You're probably in the best position to make sure it gets tested these days. Thanks! -- Jeff Layton <jlayton@xxxxxxxxxx>