On Wed, Aug 18, 2021 at 10:47:24AM -0400, Robert Haas wrote: > On Tue, Aug 10, 2021 at 9:35 AM Robert Haas <robertmh...@gmail.com> wrote: > > Oh, yeah, I think that works, actually. I was imagining a few problems > > here, but I don't think they really exist. The redo routines for files > > within the directory can't possibly care about having the old files > > erased for them, since that wouldn't be something that would normally > > happen, if there were no recent CREATE TABLESPACE involved. And > > there's code further down to remove and recreate the symlink, just in > > case. So I think your proposed patch might be all we need. > > Noah, do you plan to commit this?
Yes. I feel it needs a test case, which is the main reason I've queued the task rather than just pushed what I posted last. On Mon, Aug 09, 2021 at 06:23:07PM -0700, Noah Misch wrote: > If we think it's possible for a crash during mkdir to leave a directory > having the wrong permissions, adding a chmod would be in order. I wouldn't be surprised if it's possible under some NFS versions, considering behavior like https://www.spinics.net/lists/linux-nfs/msg59044.html exists. However, nowhere else do we try to cope with this. Hence, the fix for $SUBJECT shouldn't change that pattern.