From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp2120.oracle.com ([141.146.126.78]:59800 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751835AbeEFR1I (ORCPT ); Sun, 6 May 2018 13:27:08 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w46HR80l023798 for ; Sun, 6 May 2018 17:27:08 GMT Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp2120.oracle.com with ESMTP id 2hs4k21ymd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 06 May 2018 17:27:08 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w46HR7R8013358 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 6 May 2018 17:27:07 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w46HR7Ak024477 for ; Sun, 6 May 2018 17:27:07 GMT From: Allison Henderson Subject: [PATCH 09/21] xfs: get directory offset when removing directory name Date: Sun, 6 May 2018 10:24:42 -0700 Message-Id: <1525627494-12873-10-git-send-email-allison.henderson@oracle.com> In-Reply-To: <1525627494-12873-1-git-send-email-allison.henderson@oracle.com> References: <1525627494-12873-1-git-send-email-allison.henderson@oracle.com> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: linux-xfs@vger.kernel.org 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, Changed typedefs to raw struct types] Signed-off-by: Mark Tinguely Signed-off-by: Dave Chinner Signed-off-by: Allison Henderson --- fs/xfs/libxfs/xfs_dir2.c | 16 ++++++++++------ 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, 27 insertions(+), 16 deletions(-) diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 409a1e7..090ab0e 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -433,13 +433,14 @@ 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; @@ -486,6 +487,9 @@ xfs_dir_removename( else rval = xfs_dir2_node_removename(args); out_free: + if (offset) + *offset = args->offset; + kmem_free(args); return rval; } diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index c98a3ca..b73bdcb 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 9b7f173..9c1e485 100644 --- a/fs/xfs/libxfs/xfs_dir2_block.c +++ b/fs/xfs/libxfs/xfs_dir2_block.c @@ -798,9 +798,9 @@ 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 8ae2953..c5595c1 100644 --- a/fs/xfs/libxfs/xfs_dir2_leaf.c +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c @@ -1414,9 +1414,10 @@ 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 4e544f7..eb8b240 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -1252,9 +1252,10 @@ 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 222ccf5..1d0957c 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -917,6 +917,8 @@ 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 fc07b4f..3054e9a 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2648,8 +2648,8 @@ 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; @@ -3159,7 +3159,8 @@ 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; -- 2.7.4