From patchwork Thu Jun 25 23:30:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allison Henderson X-Patchwork-Id: 11626269 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AAB4F14E3 for ; Thu, 25 Jun 2020 23:30:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91AFA2084D for ; Thu, 25 Jun 2020 23:30:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="sbgZ81su" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728637AbgFYXau (ORCPT ); Thu, 25 Jun 2020 19:30:50 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:50608 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728399AbgFYXas (ORCPT ); Thu, 25 Jun 2020 19:30:48 -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 05PNS580151872 for ; Thu, 25 Jun 2020 23:30:47 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=LUe06ZB7VRNvulZwf3I10ehePLOhHsgKYe2OBgfq6/c=; b=sbgZ81suG4UnFoRzRyx0OuZg81lYEiscM1acO/LfuH9IxYOh1ktUyhW5kjtpks7SX+dW GFbXi7cDICTkkKWev89+nQGYJ1Vebnnh9SM7mtdAfSz+kLg0mDoIChycjmEgEvh17HKN wMLYXHJb0UonHw834SCTMokX+FxEZS4cetbdOfORaw5TKfuEEBtpHoruBrk2XBB0o0A4 uffbBF7ZmeTFHFUIDM+DPFPCHS7Q7OR+IJ2ZObmLrU2KmzncQrS3WlOIGtxQ8xB4flHX Es9q7IoV6RsM9yQuVLhavSKtFre/sO+eb+oxxXwr2SdvrXUstXwA9Mnz7Pglm4DmyiRf 9Q== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 31uusu3ae2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Thu, 25 Jun 2020 23:30:47 +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 05PNS29I141078 for ; Thu, 25 Jun 2020 23:30:46 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3030.oracle.com with ESMTP id 31uur1wcuf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 25 Jun 2020 23:30:46 +0000 Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 05PNUjpO017526 for ; Thu, 25 Jun 2020 23:30:45 GMT Received: from localhost.localdomain (/67.1.142.158) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 25 Jun 2020 23:30:45 +0000 From: Allison Collins To: linux-xfs@vger.kernel.org Subject: [PATCH v10 10/25] xfs: Refactor xfs_attr_rmtval_remove Date: Thu, 25 Jun 2020 16:30:03 -0700 Message-Id: <20200625233018.14585-11-allison.henderson@oracle.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200625233018.14585-1-allison.henderson@oracle.com> References: <20200625233018.14585-1-allison.henderson@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9663 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxlogscore=999 adultscore=0 mlxscore=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006250136 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9663 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 bulkscore=0 cotscore=-2147483648 malwarescore=0 mlxscore=0 clxscore=1015 lowpriorityscore=0 mlxlogscore=999 phishscore=0 priorityscore=1501 spamscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006250136 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org Refactor xfs_attr_rmtval_remove to add helper function __xfs_attr_rmtval_remove. 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 Reviewed-by: Brian Foster --- 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..9b4c173 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 re-call 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 3616e88..9eee615 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__ */