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=-9.8 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,UNPARSEABLE_RELAY, USER_AGENT_GIT 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 24A70C47254 for ; Thu, 30 Apr 2020 22:47:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02CF72074A for ; Thu, 30 Apr 2020 22:47:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="fW8YwUFD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727891AbgD3WrR (ORCPT ); Thu, 30 Apr 2020 18:47:17 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:48458 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727859AbgD3WrP (ORCPT ); Thu, 30 Apr 2020 18:47:15 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 03UMhmxF047514 for ; Thu, 30 Apr 2020 22:47:14 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id : in-reply-to : references; s=corp-2020-01-29; bh=ODDGDkYd/tAKALcJAC36ZFzdkufDnJmzxj00Rg4k6cM=; b=fW8YwUFDCmK803JHlzbz7/l64KrfTNiCh5QiB4hewGJiprwNqkq+Fv0uJV/KRl+bVmiq n9tZEpM2ch+uUR6WoV4cRReBvmvRrjxhzw0PZ6nZRMMhK8YAu88ZTJAyboBhYQwgPYWp OB9DYXPah8uUc8VaUKskGPMnFEM5LX0+M8rWiRc8qQOHKpx8rEA7IWQ4ipILUi3aXR3m /QYZhESTQ1a+EDTmVn/LPlV6GgC11tOsh1I/zDJafGAEAcD7JnPRuI1a3ebYhihCTslu c27FdR042Oz219qEmfOM8q9NNmiknpVkyGYPeNM6x1M5lMB1RhcciWKzj5K4ihSIzjx4 5A== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 30r7f5r272-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 30 Apr 2020 22:47:13 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 03UMhAKc077347 for ; Thu, 30 Apr 2020 22:47:13 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3020.oracle.com with ESMTP id 30r7f8a05q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 30 Apr 2020 22:47:13 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 03UMlChk032079 for ; Thu, 30 Apr 2020 22:47:12 GMT Received: from localhost.localdomain (/67.1.142.158) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 30 Apr 2020 15:47:12 -0700 From: Allison Collins To: linux-xfs@vger.kernel.org Subject: [PATCH v9 29/43] xfsprogs: Add helper function __xfs_attr_rmtval_remove Date: Thu, 30 Apr 2020 15:46:46 -0700 Message-Id: <20200430224700.4183-30-allison.henderson@oracle.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430224700.4183-1-allison.henderson@oracle.com> References: <20200430224700.4183-1-allison.henderson@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9607 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 suspectscore=1 phishscore=0 malwarescore=0 mlxscore=0 spamscore=0 mlxlogscore=905 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004300167 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9607 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 mlxlogscore=965 clxscore=1015 phishscore=0 impostorscore=0 suspectscore=1 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004300167 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org 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 --- libxfs/xfs_attr_remote.c | 46 ++++++++++++++++++++++++++++++++++++---------- libxfs/xfs_attr_remote.h | 1 + 2 files changed, 37 insertions(+), 10 deletions(-) diff --git a/libxfs/xfs_attr_remote.c b/libxfs/xfs_attr_remote.c index e09c1b6..336ba01 100644 --- a/libxfs/xfs_attr_remote.c +++ b/libxfs/xfs_attr_remote.c @@ -680,7 +680,7 @@ 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); @@ -692,14 +692,10 @@ 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. @@ -707,6 +703,36 @@ 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/libxfs/xfs_attr_remote.h b/libxfs/xfs_attr_remote.h index eff5f95..ee3337b 100644 --- a/libxfs/xfs_attr_remote.h +++ b/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