[PATCH 3/9] NFSD: Budget the CB_LAYOUTRECALL recall stateid

NFS4_enc_cb_layout_sz counts the opcode, the three scalar fields,
the file handle, and the offset and length hypers.
encode_cb_layout4args() also emits the layoutrecall4 discriminator
and the recall stateid, so the macro falls five XDR words short.

This macro sizes p_arglen and nothing else. rq_callsize pads that
with two credential slacks, so the shortfall has never reached
the send buffer. No backport is needed.

Signed-off-by: Chuck Lever <[email protected]>
---
 fs/nfsd/xdr4cb.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/xdr4cb.h b/fs/nfsd/xdr4cb.h
index a7c8dc355d1a..5285934b3a54 100644
--- a/fs/nfsd/xdr4cb.h
+++ b/fs/nfsd/xdr4cb.h
@@ -27,8 +27,9 @@
 					op_dec_sz)
 #define NFS4_enc_cb_layout_sz		(cb_compound_enc_hdr_sz +       \
 					cb_sequence_enc_sz +            \
-					1 + 3 +                         \
-					enc_nfs4_fh_sz + 4)
+					op_enc_sz + 3 + 1 +             \
+					enc_nfs4_fh_sz + 4 +            \
+					enc_stateid_sz)
 #define NFS4_dec_cb_layout_sz		(cb_compound_dec_hdr_sz  +      \
 					cb_sequence_dec_sz +            \
 					op_dec_sz)

-- 
2.54.0