5.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Olga Kornievskaia okorniev@redhat.com
[ Upstream commit be390f95242785adbf37d7b8a5101dd2f2ba891b ]
RFC7530 states that clients should be prepared for the return of NFS4ERR_GRACE errors for non-reclaim lock and I/O requests.
Signed-off-by: Olga Kornievskaia okorniev@redhat.com Signed-off-by: Anna Schumaker anna.schumaker@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/nfs4proc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 87774f3b4c354..c454fb042ab2b 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7473,10 +7473,10 @@ int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state, return err; do { err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW); - if (err != -NFS4ERR_DELAY) + if (err != -NFS4ERR_DELAY && err != -NFS4ERR_GRACE) break; ssleep(1); - } while (err == -NFS4ERR_DELAY); + } while (err == -NFS4ERR_DELAY || err == -NFSERR_GRACE); return nfs4_handle_delegation_recall_error(server, state, stateid, fl, err); }