From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755622AbcFTVJu (ORCPT ); Mon, 20 Jun 2016 17:09:50 -0400 Received: from linuxhacker.ru ([217.76.32.60]:50782 "EHLO fiona.linuxhacker.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755480AbcFTVIW (ORCPT ); Mon, 20 Jun 2016 17:08:22 -0400 From: Oleg Drokin To: Greg Kroah-Hartman , devel@driverdev.osuosl.org, Andreas Dilger Cc: Linux Kernel Mailing List , Lustre Development List , "John L. Hammond" , Oleg Drokin Subject: [PATCH v2 02/29] staging/lustre/llite: correct request handling after ll_lookup_it() Date: Mon, 20 Jun 2016 16:55:25 -0400 Message-Id: <1466456152-2199975-3-git-send-email-green@linuxhacker.ru> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1466456152-2199975-1-git-send-email-green@linuxhacker.ru> References: <1466456152-2199975-1-git-send-email-green@linuxhacker.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "John L. Hammond" In the FIFO cases of ll_atomic_open() and ll_lookup_nd() remove spurious calls to ptlrpc_req_finished(). Explain that these cases are unreachable in practice anyway. Signed-off-by: John L. Hammond Reviewed-on: http://review.whamcloud.com/17068 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7402 Reviewed-by: Dmitry Eremin Reviewed-by: Lai Siyao Signed-off-by: Oleg Drokin --- drivers/staging/lustre/lustre/llite/namei.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c index d7459bd..6414d52 100644 --- a/drivers/staging/lustre/lustre/llite/namei.c +++ b/drivers/staging/lustre/lustre/llite/namei.c @@ -622,13 +622,10 @@ static int ll_atomic_open(struct inode *dir, struct dentry *dentry, if (d_really_is_positive(dentry) && it_disposition(it, DISP_OPEN_OPEN)) { /* Open dentry. */ if (S_ISFIFO(d_inode(dentry)->i_mode)) { - /* We cannot call open here as it would - * deadlock. + /* We cannot call open here as it might + * deadlock. This case is unreachable in + * practice because of OBD_CONNECT_NODEVOH. */ - if (it_disposition(it, DISP_ENQ_OPEN_REF)) - ptlrpc_req_finished( - (struct ptlrpc_request *) - it->d.lustre.it_data); rc = finish_no_open(file, de); } else { file->private_data = it; -- 2.7.4