NFS: Reduce the stack footprint of nfs_link()

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

1 files changed, 9 insertions, 7 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 14cde99d8a60..0ffd4cfd3b1f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2707,28 +2707,30 @@ static int _nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *
                 .name   = name,
                 .bitmask = server->attr_bitmask,
         };
-        struct nfs_fattr fattr, dir_attr;
         struct nfs4_link_res res = {
                 .server = server,
-                .fattr = &fattr,
-                .dir_attr = &dir_attr,
         };
         struct rpc_message msg = {
                 .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LINK],
                 .rpc_argp = &arg,
                 .rpc_resp = &res,
         };
-        int                     status;
+        int status = -ENOMEM;
+
+        res.fattr = nfs_alloc_fattr();
+        res.dir_attr = nfs_alloc_fattr();
+        if (res.fattr == NULL || res.dir_attr == NULL)
+                goto out;
 
-        nfs_fattr_init(res.fattr);
-        nfs_fattr_init(res.dir_attr);
         status = nfs4_call_sync(server, &msg, &arg, &res, 1);
         if (!status) {
                 update_changeattr(dir, &res.cinfo);
                 nfs_post_op_update_inode(dir, res.dir_attr);
                 nfs_post_op_update_inode(inode, res.fattr);
         }
-
+out:
+        nfs_free_fattr(res.dir_attr);
+        nfs_free_fattr(res.fattr);
         return status;
 }