NFS: Optimise attribute revalidation on close().

 Only force a getattr in nfs_file_flush() if the attribute
 cache is stale.

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

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 572d859..57d3e77 100644 (file)
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -205,8 +205,8 @@ nfs_file_flush(struct file *file)
        if (!status) {
                status = ctx->error;
                ctx->error = 0;
-               if (!status && !nfs_have_delegation(inode, FMODE_READ))
-                       __nfs_revalidate_inode(NFS_SERVER(inode), inode);
+               if (!status)
+                       nfs_revalidate_inode(NFS_SERVER(inode), inode);
        }
        unlock_kernel();
        return status;