Files
linux/include/linux
Linus Torvalds 937fd40338 Merge tag 'afs-fixes-20231221' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull AFS fixes from David Howells:
 "Improve the interaction of arbitrary lookups in the AFS dynamic root
  that hit DNS lookup failures [1] where kafs behaves differently from
  openafs and causes some applications to fail that aren't expecting
  that. Further, negative DNS results aren't getting removed and are
  causing failures to persist.

   - Always delete unused (particularly negative) dentries as soon as
     possible so that they don't prevent future lookups from retrying.

   - Fix the handling of new-style negative DNS lookups in ->lookup() to
     make them return ENOENT so that userspace doesn't get confused when
     stat succeeds but the following open on the looked up file then
     fails.

   - Fix key handling so that DNS lookup results are reclaimed almost as
     soon as they expire rather than sitting round either forever or for
     an additional 5 mins beyond a set expiry time returning
     EKEYEXPIRED. They persist for 1s as /bin/ls will do a second stat
     call if the first fails"

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216637 [1]
Reviewed-by: Jeffrey Altman <jaltman@auristor.com>

* tag 'afs-fixes-20231221' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  keys, dns: Allow key types (eg. DNS) to be reclaimed immediately on expiry
  afs: Fix dynamic root lookup DNS check
  afs: Fix the dynamic root's d_delete to always delete unused dentries
2023-12-21 09:53:25 -08:00
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