From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 16 Apr 2010 20:22:52 +0000 (-0400)
Subject: NFS: Reduce stack footprint of nfs_statfs()
X-Git-Tag: v2.6.35-rc1~490^2~34
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ca7e9a0df263493bbdf76f47fd9e9ac48ad6f331;p=linux.git

NFS: Reduce stack footprint of nfs_statfs()

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

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index dd589dee1eea..98d1ab8bf8f2 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -423,15 +423,19 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	unsigned char blockbits;
 	unsigned long blockres;
 	struct nfs_fh *fh = NFS_FH(dentry->d_inode);
-	struct nfs_fattr fattr;
-	struct nfs_fsstat res = {
-			.fattr = &fattr,
-	};
-	int error;
+	struct nfs_fsstat res;
+	int error = -ENOMEM;
+
+	res.fattr = nfs_alloc_fattr();
+	if (res.fattr == NULL)
+		goto out_err;
 
 	error = server->nfs_client->rpc_ops->statfs(server, fh, &res);
+
+	nfs_free_fattr(res.fattr);
 	if (error < 0)
 		goto out_err;
+
 	buf->f_type = NFS_SUPER_MAGIC;
 
 	/*