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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-19 10:03:38 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-19 15:09:04 -0400
commite3a535e1739a9da3cc316ccdfe5cd4bf84d745ac (patch)
tree9730d4689879bfaf4d9de87df513b9510edf7432 /fs/nfs
parentd6ac02dfaa6c423874839fe289c7320624aa9288 (diff)
NFSv4: Fix the nfsv4 readlink reply buffer alignment
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4xdr.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index bec171a493a4..7b73ca8be909 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1201,21 +1201,11 @@ static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req)
{
- struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
- unsigned int replen;
__be32 *p;
RESERVE_SPACE(4);
WRITE32(OP_READLINK);
- /* set up reply kvec
- * toplevel_status + taglen + rescount + OP_PUTFH + status
- * + OP_READLINK + status + string length = 8
- */
- replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2;
- xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages,
- readlink->pgbase, readlink->pglen);
-
return 0;
}
@@ -1781,6 +1771,8 @@ static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct n
struct compound_hdr hdr = {
.nops = 2,
};
+ struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
+ unsigned int replen;
int status;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
@@ -1789,6 +1781,15 @@ static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct n
if(status)
goto out;
status = encode_readlink(&xdr, args, req);
+
+ /* set up reply kvec
+ * toplevel_status + taglen + rescount + OP_PUTFH + status
+ * + OP_READLINK + status + string length = 8
+ */
+ replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readlink_sz) << 2;
+ xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages,
+ args->pgbase, args->pglen);
+
out:
return status;
}