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NFSv4: handle ERR_GRACE on delegation recalls

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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>
This commit is contained in:
Olga Kornievskaia 2025-08-11 14:18:48 -04:00 committed by Anna Schumaker
parent ec7d8e68ef
commit be390f9524
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/nfs4proc.c
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@ -7872,10 +7872,10 @@ 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);
}