Return-Path: linux-nfs-owner@vger.kernel.org Received: from smtp.mail.umich.edu ([141.211.12.86]:34696 "EHLO tombraider.mr.itd.umich.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753155Ab2DIXWx (ORCPT ); Mon, 9 Apr 2012 19:22:53 -0400 From: Jim Rees To: Trond Myklebust Cc: linux-nfs@vger.kernel.org Subject: [PATCH] fix page number calculation bug for block layout decode buffer Date: Mon, 9 Apr 2012 19:22:07 -0400 Message-Id: <1334013727-1931-1-git-send-email-rees@umich.edu> Sender: linux-nfs-owner@vger.kernel.org List-ID: Signed-off-by: Jim Rees Suggested-by: Andy Adamson --- fs/nfs/blocklayout/blocklayout.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 48cfac3..576da5b 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -872,7 +872,7 @@ nfs4_blk_get_deviceinfo(struct nfs_server *server, const struct nfs_fh *fh, * GETDEVICEINFO's maxcount */ max_resp_sz = server->nfs_client->cl_session->fc_attrs.max_resp_sz; - max_pages = max_resp_sz >> PAGE_SHIFT; + max_pages = (max_resp_sz + PAGE_SIZE - 1) >> PAGE_SHIFT; dprintk("%s max_resp_sz %u max_pages %d\n", __func__, max_resp_sz, max_pages); -- 1.7.5.4