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path: root/fs/nfs/nfs4xdr.c
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Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 5cd5184b56d..4d338be492c 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1578,6 +1578,14 @@ static void encode_create_session(struct xdr_stream *xdr,
char machine_name[NFS4_MAX_MACHINE_NAME_LEN];
uint32_t len;
struct nfs_client *clp = args->client;
+ u32 max_resp_sz_cached;
+
+ /*
+ * Assumes OPEN is the biggest non-idempotent compound.
+ * 2 is the verifier.
+ */
+ max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE +
+ RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT;
len = scnprintf(machine_name, sizeof(machine_name), "%s",
clp->cl_ipaddr);
@@ -1592,7 +1600,7 @@ static void encode_create_session(struct xdr_stream *xdr,
*p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
*p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */
*p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */
- *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz_cached); /* Max resp sz cached */
+ *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */
*p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */
*p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */
*p++ = cpu_to_be32(0); /* rdmachannel_attrs */