NFSv4: Make NFSv4 ACCESS calls return attributes too...

It doesn't really make sense to cache an access call without also
revalidating the attributes.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 20 insertions, 7 deletions

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 5f353d4686b6..51dd3804866f 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -376,10 +376,12 @@ static int nfs4_stat_to_errno(int);
                                 decode_locku_maxsz)
 #define NFS4_enc_access_sz      (compound_encode_hdr_maxsz + \
                                 encode_putfh_maxsz + \
-                                encode_access_maxsz)
+                                encode_access_maxsz + \
+                                encode_getattr_maxsz)
 #define NFS4_dec_access_sz      (compound_decode_hdr_maxsz + \
                                 decode_putfh_maxsz + \
-                                decode_access_maxsz)
+                                decode_access_maxsz + \
+                                decode_getattr_maxsz)
 #define NFS4_enc_getattr_sz     (compound_encode_hdr_maxsz + \
                                 encode_putfh_maxsz + \
                                 encode_getattr_maxsz)
@@ -1375,14 +1377,20 @@ static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs
 {
         struct xdr_stream xdr;
         struct compound_hdr hdr = {
-                .nops = 2,
+                .nops = 3,
         };
         int status;
 
         xdr_init_encode(&xdr, &req->rq_snd_buf, p);
         encode_compound_hdr(&xdr, &hdr);
-        if ((status = encode_putfh(&xdr, args->fh)) == 0)
-                status = encode_access(&xdr, args->access);
+        status = encode_putfh(&xdr, args->fh);
+        if (status != 0)
+                goto out;
+        status = encode_access(&xdr, args->access);
+        if (status != 0)
+                goto out;
+        status = encode_getfattr(&xdr, args->bitmask);
+out:
         return status;
 }
 
@@ -3784,8 +3792,13 @@ static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_ac
         xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
         if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
                 goto out;
-        if ((status = decode_putfh(&xdr)) == 0)
-                status = decode_access(&xdr, res);
+        status = decode_putfh(&xdr);
+        if (status != 0)
+                goto out;
+        status = decode_access(&xdr, res);
+        if (status != 0)
+                goto out;
+        decode_getfattr(&xdr, res->fattr, res->server);
 out:
         return status;
 }