NFS: Create a new nfs_alloc_fattr_with_label() function

For creating fattrs with the label field already allocated for us. I
also update nfs_free_fattr() to free the label in the end.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 0b5b1e44b2c4..84c7efa2ea87 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1606,6 +1606,23 @@ struct nfs_fattr *nfs_alloc_fattr(void)
 }
 EXPORT_SYMBOL_GPL(nfs_alloc_fattr);
 
+struct nfs_fattr *nfs_alloc_fattr_with_label(struct nfs_server *server)
+{
+	struct nfs_fattr *fattr = nfs_alloc_fattr();
+
+	if (!fattr)
+		return NULL;
+
+	fattr->label = nfs4_label_alloc(server, GFP_NOFS);
+	if (IS_ERR(fattr->label)) {
+		kfree(fattr);
+		return NULL;
+	}
+
+	return fattr;
+}
+EXPORT_SYMBOL_GPL(nfs_alloc_fattr_with_label);
+
 struct nfs_fh *nfs_alloc_fhandle(void)
 {
 	struct nfs_fh *fh;