NFS: Micro-optimisation for nfs_wb_page()

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
git-mirror · Feb 3, 2007 · f40313a · f40313a
1 parent 02241bc
commit f40313a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
@@ -1516,6 +1516,8 @@ int nfs_wb_page_priority(struct inode *inode, struct page *page, int how)
 		if (ret < 0)
 			goto out;
 	}
+	if (!PagePrivate(page))
+		return 0;
 	ret = nfs_sync_mapping_wait(page->mapping, &wbc, how);
 	if (ret >= 0)
 		return 0;