From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C8B0C433B4 for ; Mon, 10 May 2021 12:37:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7559161493 for ; Mon, 10 May 2021 12:37:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347217AbhEJMdm (ORCPT ); Mon, 10 May 2021 08:33:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:46278 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232793AbhEJLLz (ORCPT ); Mon, 10 May 2021 07:11:55 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6E60461938; Mon, 10 May 2021 11:09:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620644975; bh=C1l21XK72hRsuz8PCOavxVI3pVZMJ9hB26W5tSOAJV4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KJExCCSFQsBVR4n/kCJQUGp1ZzUd5Qm8EWUutzKopvNGLOVNtwB1Dx5xVIrykYZPP RjoOOwK520PIHmBVFf9d1NFN4RZ4G8zKlrn/n4OsTR5xpRlWJJu4PWs93Bopv5tIEj zQJoPMcwn3RvU7XwQqfBvyqhim3pATV1uw+Im9gI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Trond Myklebust Subject: [PATCH 5.12 299/384] NFS: Dont discard pNFS layout segments that are marked for return Date: Mon, 10 May 2021 12:21:28 +0200 Message-Id: <20210510102024.659826540@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510102014.849075526@linuxfoundation.org> References: <20210510102014.849075526@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Trond Myklebust commit 39fd01863616964f009599e50ca5c6ea9ebf88d6 upstream. If the pNFS layout segment is marked with the NFS_LSEG_LAYOUTRETURN flag, then the assumption is that it has some reporting requirement to perform through a layoutreturn (e.g. flexfiles layout stats or error information). Fixes: e0b7d420f72a ("pNFS: Don't discard layout segments that are marked for return") Cc: stable@vger.kernel.org Signed-off-by: Trond Myklebust Signed-off-by: Greg Kroah-Hartman --- fs/nfs/pnfs.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2468,6 +2468,9 @@ pnfs_mark_matching_lsegs_return(struct p assert_spin_locked(&lo->plh_inode->i_lock); + if (test_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags)) + tmp_list = &lo->plh_return_segs; + list_for_each_entry_safe(lseg, next, &lo->plh_segs, pls_list) if (pnfs_match_lseg_recall(lseg, return_range, seq)) { dprintk("%s: marking lseg %p iomode %d " @@ -2475,6 +2478,8 @@ pnfs_mark_matching_lsegs_return(struct p lseg, lseg->pls_range.iomode, lseg->pls_range.offset, lseg->pls_range.length); + if (test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) + tmp_list = &lo->plh_return_segs; if (mark_lseg_invalid(lseg, tmp_list)) continue; remaining++;