[PATCH] nfsd: give up callbacks on revoked delegations

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From: "J. Bruce Fields" <bfields@xxxxxxxxxx>

The delegation is no longer returnable, so I don't think there's much
point retrying the recall.

(I think it's worth asking why we even need separate CLOSED_DELEG and
REVOKED_DELEG states.  But treating them the same would currently cause
nfsd4_free_stateid to call list_del_init(&dp->dl_recall_lru) on a
delegation that the laundromat had unhashed but not revoked, incorrectly
removing it from the laundromat's reaplist or a client's dl_recall_lru.)

Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
---
 fs/nfsd/nfs4state.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4c9c79fdc3b8..4b70657385f2 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4513,7 +4513,8 @@ static int nfsd4_cb_recall_done(struct nfsd4_callback *cb,
 {
 	struct nfs4_delegation *dp = cb_to_delegation(cb);
 
-	if (dp->dl_stid.sc_type == NFS4_CLOSED_DELEG_STID)
+	if (dp->dl_stid.sc_type == NFS4_CLOSED_DELEG_STID ||
+	    dp->dl_stid.sc_type == NFS4_REVOKED_DELEG_STID)
 	        return 1;
 
 	switch (task->tk_status) {
-- 
2.26.2




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