From patchwork Wed Oct 18 22:55:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allison Henderson X-Patchwork-Id: 10015407 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 CD70C600CC for ; Wed, 18 Oct 2017 23:00:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C0B4A28E6F for ; Wed, 18 Oct 2017 23:00:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B598E28E72; Wed, 18 Oct 2017 23:00:18 +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 A66AC28E6F for ; Wed, 18 Oct 2017 23:00:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751346AbdJRXAQ (ORCPT ); Wed, 18 Oct 2017 19:00:16 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:29957 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751180AbdJRXAP (ORCPT ); Wed, 18 Oct 2017 19:00:15 -0400 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v9IN09V8002970 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 18 Oct 2017 23:00:10 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v9IN09gc008849 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 18 Oct 2017 23:00:09 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v9IN097V006486; Wed, 18 Oct 2017 23:00:09 GMT Received: from localhost.localdomain (/72.210.40.165) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 18 Oct 2017 16:00:08 -0700 From: Allison Henderson To: linux-xfs@vger.kernel.org Cc: Mark Tinguely , Dave Chinner , Allison Henderson Subject: [PATCH 06/17] xfs: get directory offset when removing directory name Date: Wed, 18 Oct 2017 15:55:22 -0700 Message-Id: <1508367333-3237-7-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: userv0022.oracle.com [156.151.31.74] 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 From: Mark Tinguely Return the directory offset information when removing an entry to the directory. This offset will be used as the parent pointer offset in xfs_remove. [dchinner: forward ported and cleaned up] [achender: rebased, changed __unint32_t to xfs_dir2_dataptr_t] Signed-off-by: Mark Tinguely Signed-off-by: Dave Chinner Signed-off-by: Allison Henderson --- v2: Changed typedefs to raw struct types Signed-off-by: Allison Henderson --- fs/xfs/libxfs/xfs_dir2.c | 15 +++++++++------ fs/xfs/libxfs/xfs_dir2.h | 4 +++- fs/xfs/libxfs/xfs_dir2_block.c | 4 ++-- fs/xfs/libxfs/xfs_dir2_leaf.c | 5 +++-- fs/xfs/libxfs/xfs_dir2_node.c | 5 +++-- fs/xfs/libxfs/xfs_dir2_sf.c | 2 ++ fs/xfs/xfs_inode.c | 7 ++++--- 7 files changed, 26 insertions(+), 16 deletions(-) diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index a1ca460..0511eb9 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -443,13 +443,14 @@ xfs_dir_lookup( */ int xfs_dir_removename( - xfs_trans_t *tp, - xfs_inode_t *dp, - struct xfs_name *name, - xfs_ino_t ino, - xfs_fsblock_t *first, /* bmap's firstblock */ + struct xfs_trans *tp, + struct xfs_inode *dp, + struct xfs_name *name, + xfs_ino_t ino, + xfs_fsblock_t *first, /* bmap's firstblock */ struct xfs_defer_ops *dfops, /* bmap's freeblock list */ - xfs_extlen_t total) /* bmap's total block count */ + xfs_extlen_t total, /* bmap's total block count */ + xfs_dir2_dataptr_t *offset) /* OUT: offset in directory */ { struct xfs_da_args *args; int rval; @@ -495,6 +496,8 @@ xfs_dir_removename( rval = xfs_dir2_leaf_removename(args); else rval = xfs_dir2_node_removename(args); + if (offset) + *offset = args->offset; out_free: kmem_free(args); return rval; diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index e349900..e1bd05d 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -139,7 +139,9 @@ extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, - struct xfs_defer_ops *dfops, xfs_extlen_t tot); + struct xfs_defer_ops *dfops, + xfs_extlen_t tot, + xfs_dir2_dataptr_t *offset); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c index 79684d5..4dbe2fc 100644 --- a/fs/xfs/libxfs/xfs_dir2_block.c +++ b/fs/xfs/libxfs/xfs_dir2_block.c @@ -791,9 +791,9 @@ xfs_dir2_block_removename( /* * Point to the data entry using the leaf entry. */ + args->offset = be32_to_cpu(blp[ent].address); dep = (xfs_dir2_data_entry_t *)((char *)hdr + - xfs_dir2_dataptr_to_off(args->geo, - be32_to_cpu(blp[ent].address))); + xfs_dir2_dataptr_to_off(args->geo, args->offset)); /* * Mark the data entry's space free. */ diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c index 2ac7a7e..197e627 100644 --- a/fs/xfs/libxfs/xfs_dir2_leaf.c +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c @@ -1383,9 +1383,10 @@ xfs_dir2_leaf_removename( * Point to the leaf entry, use that to point to the data entry. */ lep = &ents[index]; - db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address)); + args->offset = be32_to_cpu(lep->address); + db = xfs_dir2_dataptr_to_db(args->geo, args->offset); dep = (xfs_dir2_data_entry_t *)((char *)hdr + - xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address))); + xfs_dir2_dataptr_to_off(args->geo, args->offset)); needscan = needlog = 0; oldbest = be16_to_cpu(bf[0].length); ltp = xfs_dir2_leaf_tail_p(args->geo, leaf); diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index 8bc91f8..13d5244 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -1238,9 +1238,10 @@ xfs_dir2_leafn_remove( /* * Extract the data block and offset from the entry. */ - db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address)); + args->offset = be32_to_cpu(lep->address); + db = xfs_dir2_dataptr_to_db(args->geo, args->offset); ASSERT(dblk->blkno == db); - off = xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)); + off = xfs_dir2_dataptr_to_off(args->geo, args->offset); ASSERT(dblk->index == off); /* diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index 489bdef..9e90c22 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -919,6 +919,8 @@ xfs_dir2_sf_removename( XFS_CMP_EXACT) { ASSERT(dp->d_ops->sf_get_ino(sfp, sfep) == args->inumber); + args->offset = xfs_dir2_byte_to_dataptr( + xfs_dir2_sf_get_offset(sfep)); break; } } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 3abcb17..358a98a 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2639,8 +2639,8 @@ xfs_remove( goto out_trans_cancel; xfs_defer_init(&dfops, &first_block); - error = xfs_dir_removename(tp, dp, name, ip->i_ino, - &first_block, &dfops, resblks); + error = xfs_dir_removename(tp, dp, name, ip->i_ino, &first_block, + &dfops, resblks, NULL); if (error) { ASSERT(error != -ENOENT); goto out_bmap_cancel; @@ -3150,7 +3150,8 @@ xfs_rename( &first_block, &dfops, spaceres); } else error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino, - &first_block, &dfops, spaceres); + &first_block, &dfops, spaceres, + NULL); if (error) goto out_bmap_cancel;