From patchwork Wed Oct 18 22:55:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allison Henderson X-Patchwork-Id: 10015399 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id F18F7600CC for ; Wed, 18 Oct 2017 23:00:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E58CC28E6F for ; Wed, 18 Oct 2017 23:00:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DAA0228E71; Wed, 18 Oct 2017 23:00:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E34D28E6F for ; Wed, 18 Oct 2017 23:00:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751046AbdJRXAL (ORCPT ); Wed, 18 Oct 2017 19:00:11 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:29884 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750881AbdJRXAL (ORCPT ); Wed, 18 Oct 2017 19:00:11 -0400 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v9IN0ArK002981 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 18 Oct 2017 23:00:10 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v9IN08In029121 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 18 Oct 2017 23:00:08 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id v9IN07D2027323 for ; Wed, 18 Oct 2017 23:00:07 GMT Received: from localhost.localdomain (/72.210.40.165) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 18 Oct 2017 16:00:07 -0700 From: Allison Henderson To: linux-xfs@vger.kernel.org Cc: Allison Henderson Subject: [PATCH 03/17] Add xfs_attr_set_defered and xfs_attr_remove_defered Date: Wed, 18 Oct 2017 15:55:19 -0700 Message-Id: <1508367333-3237-4-git-send-email-allison.henderson@oracle.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1508367333-3237-1-git-send-email-allison.henderson@oracle.com> References: <1508367333-3237-1-git-send-email-allison.henderson@oracle.com> X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP These routines set up set and start a new deferred attribute operation. These functions are meant to be called by other code needing to initiate a deferred attribute operation. We will use these routines later in the parent pointer patches. Signed-off-by: Allison Henderson --- fs/xfs/libxfs/xfs_attr.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_attr.h | 7 ++++++ 2 files changed, 65 insertions(+) diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index 5325ec2..59f3502 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -458,6 +458,37 @@ xfs_attr_set( return error; } +int +xfs_attr_set_deferred( + struct xfs_inode *dp, + struct xfs_defer_ops *dfops, + const unsigned char *name, + unsigned int namelen, + unsigned char *value, + unsigned int valuelen, + int flags) +{ + + struct xfs_attr_item *new; + + ASSERT(namelen != 0); + ASSERT(valuelen != 0); + + new = kmem_alloc(sizeof(struct xfs_attr_item), KM_SLEEP|KM_NOFS); + memset(new, 0, sizeof(struct xfs_attr_item)); + new->xattri_ino = dp->i_ino; + new->xattri_op_flags = ATTR_OP_FLAGS_SET; + new->xattri_name_len = namelen; + new->xattri_value_len = valuelen; + new->xattri_flags = flags; + memcpy(new->xattri_name, name, namelen); + memcpy(&new->xattri_value, value, valuelen); + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_ATTR, &new->xattri_list); + + return 0; +} + /* * Generic handler routine to remove a name from an attribute list. * Transitions attribute list from Btree to shortform as necessary. @@ -531,6 +562,33 @@ xfs_attr_remove( return error; } +int +xfs_attr_remove_deferred( + struct xfs_inode *dp, + struct xfs_defer_ops *dfops, + const unsigned char *name, + unsigned int namelen, + int flags) +{ + + struct xfs_attr_item *new; + + ASSERT(namelen != 0); + + new = kmem_alloc(sizeof(struct xfs_attr_item), KM_SLEEP|KM_NOFS); + memset(new, 0, sizeof(struct xfs_attr_item)); + new->xattri_ino = dp->i_ino; + new->xattri_op_flags = ATTR_OP_FLAGS_REMOVE; + new->xattri_name_len = namelen; + new->xattri_value_len = 0; + new->xattri_flags = flags; + memcpy(new->xattri_name, name, namelen); + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_ATTR, &new->xattri_list); + + return 0; +} + /*======================================================================== * External routines when attribute list is inside the inode *========================================================================*/ diff --git a/fs/xfs/xfs_attr.h b/fs/xfs/xfs_attr.h index 34bb4cb..f4a53fd 100644 --- a/fs/xfs/xfs_attr.h +++ b/fs/xfs/xfs_attr.h @@ -173,5 +173,12 @@ int xfs_attr_list(struct xfs_inode *dp, char *buffer, int bufsize, int xfs_attr_args_init(struct xfs_da_args *args, struct xfs_inode *dp, const unsigned char *name, int flags); int xfs_attr_calc_size(struct xfs_da_args *args, int *local); +int xfs_attr_set_deferred(struct xfs_inode *dp, struct xfs_defer_ops *dfops, + const unsigned char *name, unsigned int name_len, + unsigned char *value, unsigned int valuelen, + int flags); +int xfs_attr_remove_deferred(struct xfs_inode *dp, struct xfs_defer_ops *dfops, + const unsigned char *name, unsigned int namelen, + int flags); #endif /* __XFS_ATTR_H__ */