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git.ipfire.org Git - thirdparty/linux.git/blob - fs/xfs/libxfs/xfs_trans_inode.c
1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
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_mount.h"
13 #include "xfs_inode.h"
14 #include "xfs_trans.h"
15 #include "xfs_trans_priv.h"
16 #include "xfs_inode_item.h"
18 #include <linux/iversion.h>
21 * Add a locked inode to the transaction.
23 * The inode must be locked, and it cannot be associated with any transaction.
24 * If lock_flags is non-zero the inode will be unlocked on transaction commit.
32 struct xfs_inode_log_item
*iip
;
34 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
35 if (ip
->i_itemp
== NULL
)
36 xfs_inode_item_init(ip
, ip
->i_mount
);
39 ASSERT(iip
->ili_lock_flags
== 0);
40 iip
->ili_lock_flags
= lock_flags
;
41 ASSERT(!xfs_iflags_test(ip
, XFS_ISTALE
));
43 /* Reset the per-tx dirty context and add the item to the tx. */
44 iip
->ili_dirty_flags
= 0;
45 xfs_trans_add_item(tp
, &iip
->ili_item
);
49 * Transactional inode timestamp update. Requires the inode to be locked and
50 * joined to the transaction supplied. Relies on the transaction subsystem to
51 * track dirty state and update/writeback the inode accordingly.
59 struct inode
*inode
= VFS_I(ip
);
63 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
65 tv
= current_time(inode
);
67 if (flags
& XFS_ICHGTIME_MOD
)
69 if (flags
& XFS_ICHGTIME_CHG
)
70 inode_set_ctime_to_ts(inode
, tv
);
71 if (flags
& XFS_ICHGTIME_CREATE
)
76 * This is called to mark the fields indicated in fieldmask as needing to be
77 * logged when the transaction is committed. The inode must already be
78 * associated with the given transaction. All we do here is record where the
79 * inode was dirtied and mark the transaction and inode log item dirty;
80 * everything else is done in the ->precommit log item operation after the
81 * changes in the transaction have been completed.
89 struct xfs_inode_log_item
*iip
= ip
->i_itemp
;
90 struct inode
*inode
= VFS_I(ip
);
93 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
94 ASSERT(!xfs_iflags_test(ip
, XFS_ISTALE
));
96 tp
->t_flags
|= XFS_TRANS_DIRTY
;
99 * First time we log the inode in a transaction, bump the inode change
100 * counter if it is configured for this to occur. While we have the
101 * inode locked exclusively for metadata modification, we can usually
102 * avoid setting XFS_ILOG_CORE if no one has queried the value since
103 * the last time it was incremented. If we have XFS_ILOG_CORE already
104 * set however, then go ahead and bump the i_version counter
107 if (!test_and_set_bit(XFS_LI_DIRTY
, &iip
->ili_item
.li_flags
)) {
108 if (IS_I_VERSION(inode
) &&
109 inode_maybe_inc_iversion(inode
, flags
& XFS_ILOG_CORE
))
110 flags
|= XFS_ILOG_IVERSION
;
113 iip
->ili_dirty_flags
|= flags
;
117 xfs_trans_roll_inode(
118 struct xfs_trans
**tpp
,
119 struct xfs_inode
*ip
)
123 xfs_trans_log_inode(*tpp
, ip
, XFS_ILOG_CORE
);
124 error
= xfs_trans_roll(tpp
);
126 xfs_trans_ijoin(*tpp
, ip
, 0);