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=-8.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 6A552C3A5A9 for ; Mon, 4 May 2020 21:38:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 479BB206B8 for ; Mon, 4 May 2020 21:38:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="oSYskwDK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726433AbgEDViz (ORCPT ); Mon, 4 May 2020 17:38:55 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:55656 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726338AbgEDViz (ORCPT ); Mon, 4 May 2020 17:38:55 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 044LXGJH129421; Mon, 4 May 2020 21:38:53 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=XFxbFpE8KMWeKgbarOY7WxtVKAKbONmkTBJtQvTd+4c=; b=oSYskwDKdiahUs8sEdHmIPRNsUTH7T2giw7iFmAnAMbxZL6oRfX4xMcDc7EXiwBZ1KAu rIzykSfoMY6fYcmSrXZmV9roWxNDHrbI6vmn796qqhrklMuXxXL4/PeJBPwRSmaFZX4A qEgrxvgFppDWaIWkDNFJWG/zZyS/CxeYsOhhDPCrcICB2HTOk/+IrZ3FXhsPf3Qc43Ad OUFsvtkW4ARb/k4evYsawV00mBHOPxAcFvmwKvJb6q2kn/JchRg30PVutsPhq9S6xvJD GKk3eCrjCi+Zhbq5VtKBzb/zN5XEjVIVL5TwFDihp6dF6HccPZZNpMbexq+rKb3aPMgg qA== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 30s0tm9ft2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 04 May 2020 21:38:53 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 044Larfq080779; Mon, 4 May 2020 21:36:53 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3030.oracle.com with ESMTP id 30sjdrfwtu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 04 May 2020 21:36:52 +0000 Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 044LaeoN006105; Mon, 4 May 2020 21:36:40 GMT Received: from [192.168.1.223] (/67.1.142.158) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 04 May 2020 14:36:40 -0700 Subject: Re: [PATCH v9 10/24] xfs: Add helper function __xfs_attr_rmtval_remove To: Brian Foster Cc: linux-xfs@vger.kernel.org References: <20200430225016.4287-1-allison.henderson@oracle.com> <20200430225016.4287-11-allison.henderson@oracle.com> <20200504132722.GA54625@bfoster> From: Allison Collins Message-ID: Date: Mon, 4 May 2020 14:36:39 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20200504132722.GA54625@bfoster> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9611 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 mlxscore=0 bulkscore=0 adultscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2005040170 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9611 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 suspectscore=0 phishscore=0 clxscore=1015 bulkscore=0 mlxlogscore=999 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2005040169 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On 5/4/20 6:27 AM, Brian Foster wrote: > On Thu, Apr 30, 2020 at 03:50:02PM -0700, Allison Collins wrote: >> This function is similar to xfs_attr_rmtval_remove, but adapted to >> return EAGAIN for new transactions. We will use this later when we >> introduce delayed attributes. This function will eventually replace >> xfs_attr_rmtval_remove >> >> Signed-off-by: Allison Collins >> Reviewed-by: Chandan Rajendra >> --- > > Looks like the commit log needs some rewording now that this is a > refactor patch. With that fixed: Ok, maybe just an extra line like "Refactor xfs_attr_rmtval_remove to add helper function __xfs_attr_rmtval_remove" ? > > Reviewed-by: Brian Foster Alrighty, thank you! Allison > >> fs/xfs/libxfs/xfs_attr_remote.c | 46 ++++++++++++++++++++++++++++++++--------- >> fs/xfs/libxfs/xfs_attr_remote.h | 1 + >> 2 files changed, 37 insertions(+), 10 deletions(-) >> >> diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c >> index 4d51969..02d1a44 100644 >> --- a/fs/xfs/libxfs/xfs_attr_remote.c >> +++ b/fs/xfs/libxfs/xfs_attr_remote.c >> @@ -681,7 +681,7 @@ xfs_attr_rmtval_remove( >> xfs_dablk_t lblkno; >> int blkcnt; >> int error = 0; >> - int done = 0; >> + int retval = 0; >> >> trace_xfs_attr_rmtval_remove(args); >> >> @@ -693,14 +693,10 @@ xfs_attr_rmtval_remove( >> */ >> lblkno = args->rmtblkno; >> blkcnt = args->rmtblkcnt; >> - while (!done) { >> - error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, >> - XFS_BMAPI_ATTRFORK, 1, &done); >> - if (error) >> - return error; >> - error = xfs_defer_finish(&args->trans); >> - if (error) >> - return error; >> + do { >> + retval = __xfs_attr_rmtval_remove(args); >> + if (retval && retval != EAGAIN) >> + return retval; >> >> /* >> * Close out trans and start the next one in the chain. >> @@ -708,6 +704,36 @@ xfs_attr_rmtval_remove( >> error = xfs_trans_roll_inode(&args->trans, args->dp); >> if (error) >> return error; >> - } >> + } while (retval == -EAGAIN); >> + >> return 0; >> } >> + >> +/* >> + * Remove the value associated with an attribute by deleting the out-of-line >> + * buffer that it is stored on. Returns EAGAIN for the caller to refresh the >> + * transaction and recall the function >> + */ >> +int >> +__xfs_attr_rmtval_remove( >> + struct xfs_da_args *args) >> +{ >> + int error, done; >> + >> + /* >> + * Unmap value blocks for this attr. >> + */ >> + error = xfs_bunmapi(args->trans, args->dp, args->rmtblkno, >> + args->rmtblkcnt, XFS_BMAPI_ATTRFORK, 1, &done); >> + if (error) >> + return error; >> + >> + error = xfs_defer_finish(&args->trans); >> + if (error) >> + return error; >> + >> + if (!done) >> + return -EAGAIN; >> + >> + return error; >> +} >> diff --git a/fs/xfs/libxfs/xfs_attr_remote.h b/fs/xfs/libxfs/xfs_attr_remote.h >> index eff5f95..ee3337b 100644 >> --- a/fs/xfs/libxfs/xfs_attr_remote.h >> +++ b/fs/xfs/libxfs/xfs_attr_remote.h >> @@ -14,4 +14,5 @@ int xfs_attr_rmtval_remove(struct xfs_da_args *args); >> int xfs_attr_rmtval_stale(struct xfs_inode *ip, struct xfs_bmbt_irec *map, >> xfs_buf_flags_t incore_flags); >> int xfs_attr_rmtval_invalidate(struct xfs_da_args *args); >> +int __xfs_attr_rmtval_remove(struct xfs_da_args *args); >> #endif /* __XFS_ATTR_REMOTE_H__ */ >> -- >> 2.7.4 >> >