2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "xfs_types.h"
22 #include "xfs_trans.h"
25 #include "xfs_mount.h"
26 #include "xfs_bmap_btree.h"
27 #include "xfs_alloc_btree.h"
28 #include "xfs_ialloc_btree.h"
29 #include "xfs_dinode.h"
30 #include "xfs_inode.h"
31 #include "xfs_btree.h"
32 #include "xfs_trans_priv.h"
33 #include "xfs_inode_item.h"
34 #include "xfs_trace.h"
37 * Add a locked inode to the transaction.
39 * The inode must be locked, and it cannot be associated with any transaction.
40 * If lock_flags is non-zero the inode will be unlocked on transaction commit.
48 xfs_inode_log_item_t
*iip
;
50 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
51 if (ip
->i_itemp
== NULL
)
52 xfs_inode_item_init(ip
, ip
->i_mount
);
55 ASSERT(iip
->ili_lock_flags
== 0);
56 iip
->ili_lock_flags
= lock_flags
;
59 * Get a log_item_desc to point at the new item.
61 xfs_trans_add_item(tp
, &iip
->ili_item
);
65 * Transactional inode timestamp update. Requires the inode to be locked and
66 * joined to the transaction supplied. Relies on the transaction subsystem to
67 * track dirty state and update/writeback the inode accordingly.
75 struct inode
*inode
= VFS_I(ip
);
79 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
81 tv
= current_fs_time(inode
->i_sb
);
83 if ((flags
& XFS_ICHGTIME_MOD
) &&
84 !timespec_equal(&inode
->i_mtime
, &tv
)) {
86 ip
->i_d
.di_mtime
.t_sec
= tv
.tv_sec
;
87 ip
->i_d
.di_mtime
.t_nsec
= tv
.tv_nsec
;
89 if ((flags
& XFS_ICHGTIME_CHG
) &&
90 !timespec_equal(&inode
->i_ctime
, &tv
)) {
92 ip
->i_d
.di_ctime
.t_sec
= tv
.tv_sec
;
93 ip
->i_d
.di_ctime
.t_nsec
= tv
.tv_nsec
;
98 * This is called to mark the fields indicated in fieldmask as needing
99 * to be logged when the transaction is committed. The inode must
100 * already be associated with the given transaction.
102 * The values for fieldmask are defined in xfs_inode_item.h. We always
103 * log all of the core inode if any of it has changed, and we always log
104 * all of the inline data/extents/b-tree root if any of them has changed.
112 ASSERT(ip
->i_itemp
!= NULL
);
113 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
116 * First time we log the inode in a transaction, bump the inode change
117 * counter if it is configured for this to occur.
119 if (!(ip
->i_itemp
->ili_item
.li_desc
->lid_flags
& XFS_LID_DIRTY
) &&
120 IS_I_VERSION(VFS_I(ip
))) {
121 inode_inc_iversion(VFS_I(ip
));
122 ip
->i_d
.di_changecount
= VFS_I(ip
)->i_version
;
123 flags
|= XFS_ILOG_CORE
;
126 tp
->t_flags
|= XFS_TRANS_DIRTY
;
127 ip
->i_itemp
->ili_item
.li_desc
->lid_flags
|= XFS_LID_DIRTY
;
130 * Always OR in the bits from the ili_last_fields field.
131 * This is to coordinate with the xfs_iflush() and xfs_iflush_done()
132 * routines in the eventual clearing of the ili_fields bits.
133 * See the big comment in xfs_iflush() for an explanation of
134 * this coordination mechanism.
136 flags
|= ip
->i_itemp
->ili_last_fields
;
137 ip
->i_itemp
->ili_fields
|= flags
;
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