Merge remote-tracking branches 'spi/fix/ep93xx', 'spi/fix/rockchip', 'spi/fix/sunxi...
[cascardo/linux.git] / fs / nfs / delegation.c
index 5166adc..322c258 100644 (file)
@@ -875,15 +875,16 @@ int nfs_delegations_present(struct nfs_client *clp)
 
 /**
  * nfs4_copy_delegation_stateid - Copy inode's state ID information
- * @dst: stateid data structure to fill in
  * @inode: inode to check
  * @flags: delegation type requirement
+ * @dst: stateid data structure to fill in
+ * @cred: optional argument to retrieve credential
  *
  * Returns "true" and fills in "dst->data" * if inode had a delegation,
  * otherwise "false" is returned.
  */
-bool nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode,
-               fmode_t flags)
+bool nfs4_copy_delegation_stateid(struct inode *inode, fmode_t flags,
+               nfs4_stateid *dst, struct rpc_cred **cred)
 {
        struct nfs_inode *nfsi = NFS_I(inode);
        struct nfs_delegation *delegation;
@@ -896,6 +897,8 @@ bool nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode,
        if (ret) {
                nfs4_stateid_copy(dst, &delegation->stateid);
                nfs_mark_delegation_referenced(delegation);
+               if (cred)
+                       *cred = get_rpccred(delegation->cred);
        }
        rcu_read_unlock();
        return ret;