Return-Path: Received: from daytona.panasas.com ([67.152.220.89]:43522 "EHLO daytona.panasas.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754346Ab1EVX5m (ORCPT ); Sun, 22 May 2011 19:57:42 -0400 From: Benny Halevy To: Trond Myklebust Cc: Boaz Harrosh , linux-nfs@vger.kernel.org Subject: [PATCH v5 20/38] pnfs: per mount layout driver private data Date: Mon, 23 May 2011 02:57:29 +0300 Message-Id: <1306108649-28644-1-git-send-email-bhalevy@panasas.com> In-Reply-To: <4DD99F9B.2040406@panasas.com> References: <4DD99F9B.2040406@panasas.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Content-Type: text/plain MIME-Version: 1.0 With the objects layout security model we have object capabilities that are associated with the layout ad we anticipate that the server will issue a cb_layoutrecall for any setattr that changes security related attributes (user/group/mode/acl) or truncates the file. Therefore, the client returns the layout in advance to avoid the extra layout recall. [get rid of ds_[rw]size] Signed-off-by: Benny Halevy --- include/linux/nfs_fs_sb.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 87694ca..66e031f 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -143,6 +143,7 @@ struct nfs_server { filesystem */ struct pnfs_layoutdriver_type *pnfs_curr_ld; /* Active layout driver */ struct rpc_wait_queue roc_rpcwaitq; + void *pnfs_ld_data; /* Per-mount data */ /* the following fields are protected by nfs_client->cl_lock */ struct rb_root state_owners; -- 1.7.3.4