Commit d2fc83c5 authored by Chuck Lever's avatar Chuck Lever Committed by Anna Schumaker
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NFS: CB_OFFLOAD can return NFS4ERR_DELAY 



RFC 7862 permits the callback service to respond to a CB_OFFLOAD
operation with NFS4ERR_DELAY. Use that instead of
NFS4ERR_SERVERFAULT for temporary memory allocation failure, as that
is more consistent with how other operations report memory
allocation failure.

Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Reviewed-by: default avatarBenjamin Coddington <bcodding@redhat.com>
Signed-off-by: default avatarAnna Schumaker <anna.schumaker@oracle.com>
parent 90190ba1

fs/nfs/callback_proc.c

+1 −1
Original line number Diff line number Diff line
@@ -718,7 +718,7 @@ __be32 nfs4_callback_offload(void *data, void *dummy, 


	copy = kzalloc(sizeof(struct nfs4_copy_state), GFP_KERNEL);

	if (!copy)

		return htonl(NFS4ERR_SERVERFAULT);

		return cpu_to_be32(NFS4ERR_DELAY);



	spin_lock(&cps->clp->cl_lock);

	rcu_read_lock();