From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp2120.oracle.com ([156.151.31.85]:60924 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753688AbeFJFHc (ORCPT ); Sun, 10 Jun 2018 01:07:32 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w5A57V74095331 for ; Sun, 10 Jun 2018 05:07:31 GMT Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp2120.oracle.com with ESMTP id 2jg7hwstam-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 10 Jun 2018 05:07:31 +0000 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 w5A57VlE020139 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 10 Jun 2018 05:07:31 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w5A57UvE013179 for ; Sun, 10 Jun 2018 05:07:30 GMT From: Allison Henderson Subject: [PATCH v7 11/23] xfs: get directory offset when replacing a directory name Date: Sat, 9 Jun 2018 22:04:56 -0700 Message-Id: <1528607108-11059-12-git-send-email-allison.henderson@oracle.com> In-Reply-To: <1528607108-11059-1-git-send-email-allison.henderson@oracle.com> References: <1528607108-11059-1-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 replacing an entry to the directory. This offset will be used as the parent pointer offset in xfs_rename. [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 Reviewed-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_dir2.c | 18 +++++++++++------- fs/xfs/libxfs/xfs_dir2.h | 3 ++- fs/xfs/libxfs/xfs_dir2_block.c | 4 ++-- fs/xfs/libxfs/xfs_dir2_leaf.c | 1 + fs/xfs/libxfs/xfs_dir2_node.c | 1 + fs/xfs/libxfs/xfs_dir2_sf.c | 2 ++ fs/xfs/xfs_inode.c | 28 +++++++++++++--------------- 7 files changed, 32 insertions(+), 25 deletions(-) diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 090ab0e..eebb83c 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -487,7 +487,7 @@ xfs_dir_removename( else rval = xfs_dir2_node_removename(args); out_free: - if (offset) + if (!rval && offset) *offset = args->offset; kmem_free(args); @@ -499,13 +499,14 @@ xfs_dir_removename( */ int xfs_dir_replace( - xfs_trans_t *tp, - xfs_inode_t *dp, - struct xfs_name *name, /* name of entry to replace */ - xfs_ino_t inum, /* new inode number */ - xfs_fsblock_t *first, /* bmap's firstblock */ + struct xfs_trans *tp, + struct xfs_inode *dp, + struct xfs_name *name, /* name of entry to replace */ + xfs_ino_t inum, /* new inode number */ + 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; @@ -555,6 +556,9 @@ xfs_dir_replace( else rval = xfs_dir2_node_replace(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 b73bdcb..d361442 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -145,7 +145,8 @@ extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, 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, - 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_canenter(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name); diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c index 9c1e485..77744e5 100644 --- a/fs/xfs/libxfs/xfs_dir2_block.c +++ b/fs/xfs/libxfs/xfs_dir2_block.c @@ -872,9 +872,9 @@ xfs_dir2_block_replace( /* * Point to the data entry we need to change. */ + 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)); ASSERT(be64_to_cpu(dep->inumber) != args->inumber); /* * Change the inode number to the new value. diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c index c5595c1..6ad7741 100644 --- a/fs/xfs/libxfs/xfs_dir2_leaf.c +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c @@ -1550,6 +1550,7 @@ xfs_dir2_leaf_replace( /* * Point to the data entry. */ + args->offset = be32_to_cpu(lep->address); dep = (xfs_dir2_data_entry_t *) ((char *)dbp->b_addr + xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address))); diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index eb8b240..ccf220a 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -2256,6 +2256,7 @@ xfs_dir2_node_replace( hdr = state->extrablk.bp->b_addr; ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC)); + args->offset = be32_to_cpu(lep->address); dep = (xfs_dir2_data_entry_t *) ((char *)hdr + xfs_dir2_dataptr_to_off(args->geo, diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index 1d0957c..73f1eef 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -1043,6 +1043,8 @@ xfs_dir2_sf_replace( ASSERT(args->inumber != ino); dp->d_ops->sf_put_ino(sfp, sfep, args->inumber); dp->d_ops->sf_put_ftype(sfep, args->filetype); + 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 2ccfa90..1cd9429 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2783,16 +2783,14 @@ xfs_cross_rename( int dp2_flags = 0; /* Swap inode number for dirent in first parent */ - error = xfs_dir_replace(tp, dp1, name1, - ip2->i_ino, - first_block, dfops, spaceres); + error = xfs_dir_replace(tp, dp1, name1, ip2->i_ino, first_block, dfops, + spaceres, NULL); if (error) goto out_trans_abort; /* Swap inode number for dirent in second parent */ - error = xfs_dir_replace(tp, dp2, name2, - ip1->i_ino, - first_block, dfops, spaceres); + error = xfs_dir_replace(tp, dp2, name2, ip1->i_ino, first_block, dfops, + spaceres, NULL); if (error) goto out_trans_abort; @@ -2806,8 +2804,8 @@ xfs_cross_rename( if (S_ISDIR(VFS_I(ip2)->i_mode)) { error = xfs_dir_replace(tp, ip2, &xfs_name_dotdot, - dp1->i_ino, first_block, - dfops, spaceres); + dp1->i_ino, first_block, dfops, + spaceres, NULL); if (error) goto out_trans_abort; @@ -2833,8 +2831,8 @@ xfs_cross_rename( if (S_ISDIR(VFS_I(ip1)->i_mode)) { error = xfs_dir_replace(tp, ip1, &xfs_name_dotdot, - dp2->i_ino, first_block, - dfops, spaceres); + dp2->i_ino, first_block, dfops, + spaceres, NULL); if (error) goto out_trans_abort; @@ -3081,8 +3079,8 @@ xfs_rename( * name at the destination directory, remove it first. */ error = xfs_dir_replace(tp, target_dp, target_name, - src_ip->i_ino, - &first_block, &dfops, spaceres); + src_ip->i_ino, &first_block, &dfops, + spaceres, NULL); if (error) goto out_bmap_cancel; @@ -3116,8 +3114,8 @@ xfs_rename( * directory. */ error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot, - target_dp->i_ino, - &first_block, &dfops, spaceres); + target_dp->i_ino, &first_block, &dfops, + spaceres, NULL); ASSERT(error != -EEXIST); if (error) goto out_bmap_cancel; @@ -3156,7 +3154,7 @@ xfs_rename( */ if (wip) { error = xfs_dir_replace(tp, src_dp, src_name, wip->i_ino, - &first_block, &dfops, spaceres); + &first_block, &dfops, spaceres, NULL); } else error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino, &first_block, &dfops, spaceres, NULL); -- 2.7.4