nfsd4: estimate sequence response size

J. Bruce Fields · J. Bruce Fields · commit ccae70a9ee41 · 2014-05-30T17:32:07.000-04:00
Otherwise a following patch would turn off all 4.1 zero-copy reads.

Signed-off-by: J. Bruce Fields &lt;bfields@redhat.com&gt;
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
@@ -1565,6 +1565,12 @@ static inline u32 nfsd4_rename_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op
 		+ op_encode_change_info_maxsz) * sizeof(__be32);
 }
 
+static inline u32 nfsd4_sequence_rsize(struct svc_rqst *rqstp,
+				       struct nfsd4_op *op)
+{
+	return NFS4_MAX_SESSIONID_LEN + 20;
+}
+
 static inline u32 nfsd4_setattr_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + nfs4_fattr_bitmap_maxsz) * sizeof(__be32);

Original file line number	Diff line number	Diff line change
`@@ -1565,6 +1565,12 @@ static inline u32 nfsd4_rename_rsize(struct svc_rqst rqstp, struct nfsd4_op op`
`1565`	`1565`	`+ op_encode_change_info_maxsz) * sizeof(__be32);`
`1566`	`1566`	`}`
`1567`	`1567`
	`1568`	`+static inline u32 nfsd4_sequence_rsize(struct svc_rqst *rqstp,`
	`1569`	`+ struct nfsd4_op *op)`
	`1570`	`+{`
	`1571`	`+ return NFS4_MAX_SESSIONID_LEN + 20;`
	`1572`	`+}`
	`1573`	`+`
`1568`	`1574`	`static inline u32 nfsd4_setattr_rsize(struct svc_rqst rqstp, struct nfsd4_op op)`
`1569`	`1575`	`{`
`1570`	`1576`	`return (op_encode_hdr_size + nfs4_fattr_bitmap_maxsz) * sizeof(__be32);`