1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright (c) 2018-2024 Oracle.  All Rights Reserved.
 4 * Author: Darrick J. Wong <djwong@kernel.org>
 5 */
 6#include "xfs.h"
 7#include "xfs_fs.h"
 8#include "xfs_shared.h"
 9#include "xfs_format.h"
10#include "xfs_log_format.h"
11#include "xfs_trans_resv.h"
12#include "xfs_bit.h"
13#include "xfs_sb.h"
14#include "xfs_mount.h"
15#include "xfs_defer.h"
16#include "xfs_trans.h"
17#include "xfs_metafile.h"
18#include "xfs_trace.h"
19#include "xfs_inode.h"
20
21/* Set up an inode to be recognized as a metadata directory inode. */
22void
23xfs_metafile_set_iflag(
24	struct xfs_trans	*tp,
25	struct xfs_inode	*ip,
26	enum xfs_metafile_type	metafile_type)
27{
28	VFS_I(ip)->i_mode &= ~0777;
29	VFS_I(ip)->i_uid = GLOBAL_ROOT_UID;
30	VFS_I(ip)->i_gid = GLOBAL_ROOT_GID;
31	if (S_ISDIR(VFS_I(ip)->i_mode))
32		ip->i_diflags |= XFS_METADIR_DIFLAGS;
33	else
34		ip->i_diflags |= XFS_METAFILE_DIFLAGS;
35	ip->i_diflags2 &= ~XFS_DIFLAG2_DAX;
36	ip->i_diflags2 |= XFS_DIFLAG2_METADATA;
37	ip->i_metatype = metafile_type;
38	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
39}
40
41/* Clear the metadata directory inode flag. */
42void
43xfs_metafile_clear_iflag(
44	struct xfs_trans	*tp,
45	struct xfs_inode	*ip)
46{
47	ASSERT(xfs_is_metadir_inode(ip));
48	ASSERT(VFS_I(ip)->i_nlink == 0);
49
50	ip->i_diflags2 &= ~XFS_DIFLAG2_METADATA;
51	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
52}