power_supply: Add support for tps65217-charger.

[karo-tx-linux.git] / fs / nfs / delegation.c

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 029d688a969f4427e57ccf6f19b0dca9035c3d71..2714ef835bdd4261cbc301838c050f42896c24c0 100644 (file)
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -175,7 +175,7 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
                if (delegation->inode != NULL) {
                        nfs4_stateid_copy(&delegation->stateid, &res->delegation);
                        delegation->type = res->delegation_type;
-                       delegation->maxsize = res->maxsize;
+                       delegation->pagemod_limit = res->pagemod_limit;
                        oldcred = delegation->cred;
                        delegation->cred = get_rpccred(cred);
                        clear_bit(NFS_DELEGATION_NEED_RECLAIM,
@@ -337,7 +337,7 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
                return -ENOMEM;
        nfs4_stateid_copy(&delegation->stateid, &res->delegation);
        delegation->type = res->delegation_type;
-       delegation->maxsize = res->maxsize;
+       delegation->pagemod_limit = res->pagemod_limit;
        delegation->change_attr = inode->i_version;
        delegation->cred = get_rpccred(cred);
        delegation->inode = inode;
@@ -900,3 +900,28 @@ bool nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode,
        rcu_read_unlock();
        return ret;
 }
+
+/**
+ * nfs4_delegation_flush_on_close - Check if we must flush file on close
+ * @inode: inode to check
+ *
+ * This function checks the number of outstanding writes to the file
+ * against the delegation 'space_limit' field to see if
+ * the spec requires us to flush the file on close.
+ */
+bool nfs4_delegation_flush_on_close(const struct inode *inode)
+{
+       struct nfs_inode *nfsi = NFS_I(inode);
+       struct nfs_delegation *delegation;
+       bool ret = true;
+
+       rcu_read_lock();
+       delegation = rcu_dereference(nfsi->delegation);
+       if (delegation == NULL || !(delegation->type & FMODE_WRITE))
+               goto out;
+       if (nfsi->nrequests < delegation->pagemod_limit)
+               ret = false;
+out:
+       rcu_read_unlock();
+       return ret;
+}