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Commit | Line | Data |
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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
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. | |
1da177e4 | 13 | * |
7b718769 NS |
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 | |
1da177e4 | 17 | */ |
1da177e4 | 18 | #include "xfs.h" |
a844f451 | 19 | #include "xfs_fs.h" |
70a9883c | 20 | #include "xfs_shared.h" |
239880ef DC |
21 | #include "xfs_log_format.h" |
22 | #include "xfs_trans_resv.h" | |
1da177e4 LT |
23 | #include "xfs_sb.h" |
24 | #include "xfs_ag.h" | |
1da177e4 | 25 | #include "xfs_mount.h" |
1da177e4 | 26 | #include "xfs_bmap_btree.h" |
a844f451 | 27 | #include "xfs_alloc_btree.h" |
1da177e4 | 28 | #include "xfs_ialloc_btree.h" |
1da177e4 | 29 | #include "xfs_dinode.h" |
1da177e4 | 30 | #include "xfs_inode.h" |
a844f451 | 31 | #include "xfs_btree.h" |
239880ef | 32 | #include "xfs_trans.h" |
a844f451 NS |
33 | #include "xfs_trans_priv.h" |
34 | #include "xfs_inode_item.h" | |
898621d5 | 35 | #include "xfs_trace.h" |
1da177e4 | 36 | |
1da177e4 | 37 | /* |
898621d5 CH |
38 | * Add a locked inode to the transaction. |
39 | * | |
40 | * The inode must be locked, and it cannot be associated with any transaction. | |
ddc3415a | 41 | * If lock_flags is non-zero the inode will be unlocked on transaction commit. |
1da177e4 LT |
42 | */ |
43 | void | |
44 | xfs_trans_ijoin( | |
898621d5 | 45 | struct xfs_trans *tp, |
ddc3415a CH |
46 | struct xfs_inode *ip, |
47 | uint lock_flags) | |
1da177e4 LT |
48 | { |
49 | xfs_inode_log_item_t *iip; | |
50 | ||
579aa9ca | 51 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
1da177e4 LT |
52 | if (ip->i_itemp == NULL) |
53 | xfs_inode_item_init(ip, ip->i_mount); | |
54 | iip = ip->i_itemp; | |
ddc3415a | 55 | |
898621d5 | 56 | ASSERT(iip->ili_lock_flags == 0); |
ddc3415a | 57 | iip->ili_lock_flags = lock_flags; |
1da177e4 LT |
58 | |
59 | /* | |
60 | * Get a log_item_desc to point at the new item. | |
61 | */ | |
e98c414f | 62 | xfs_trans_add_item(tp, &iip->ili_item); |
1da177e4 LT |
63 | } |
64 | ||
dcd79a14 DC |
65 | /* |
66 | * Transactional inode timestamp update. Requires the inode to be locked and | |
67 | * joined to the transaction supplied. Relies on the transaction subsystem to | |
68 | * track dirty state and update/writeback the inode accordingly. | |
69 | */ | |
70 | void | |
71 | xfs_trans_ichgtime( | |
72 | struct xfs_trans *tp, | |
73 | struct xfs_inode *ip, | |
74 | int flags) | |
75 | { | |
76 | struct inode *inode = VFS_I(ip); | |
77 | timespec_t tv; | |
78 | ||
79 | ASSERT(tp); | |
80 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); | |
dcd79a14 DC |
81 | |
82 | tv = current_fs_time(inode->i_sb); | |
83 | ||
84 | if ((flags & XFS_ICHGTIME_MOD) && | |
85 | !timespec_equal(&inode->i_mtime, &tv)) { | |
86 | inode->i_mtime = tv; | |
8a9c9980 CH |
87 | ip->i_d.di_mtime.t_sec = tv.tv_sec; |
88 | ip->i_d.di_mtime.t_nsec = tv.tv_nsec; | |
dcd79a14 DC |
89 | } |
90 | if ((flags & XFS_ICHGTIME_CHG) && | |
91 | !timespec_equal(&inode->i_ctime, &tv)) { | |
92 | inode->i_ctime = tv; | |
8a9c9980 CH |
93 | ip->i_d.di_ctime.t_sec = tv.tv_sec; |
94 | ip->i_d.di_ctime.t_nsec = tv.tv_nsec; | |
dcd79a14 DC |
95 | } |
96 | } | |
97 | ||
1da177e4 LT |
98 | /* |
99 | * This is called to mark the fields indicated in fieldmask as needing | |
100 | * to be logged when the transaction is committed. The inode must | |
101 | * already be associated with the given transaction. | |
102 | * | |
103 | * The values for fieldmask are defined in xfs_inode_item.h. We always | |
104 | * log all of the core inode if any of it has changed, and we always log | |
105 | * all of the inline data/extents/b-tree root if any of them has changed. | |
106 | */ | |
107 | void | |
108 | xfs_trans_log_inode( | |
109 | xfs_trans_t *tp, | |
110 | xfs_inode_t *ip, | |
111 | uint flags) | |
112 | { | |
1da177e4 | 113 | ASSERT(ip->i_itemp != NULL); |
579aa9ca | 114 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
1da177e4 | 115 | |
dc037ad7 DC |
116 | /* |
117 | * First time we log the inode in a transaction, bump the inode change | |
118 | * counter if it is configured for this to occur. | |
119 | */ | |
120 | if (!(ip->i_itemp->ili_item.li_desc->lid_flags & XFS_LID_DIRTY) && | |
121 | IS_I_VERSION(VFS_I(ip))) { | |
122 | inode_inc_iversion(VFS_I(ip)); | |
123 | ip->i_d.di_changecount = VFS_I(ip)->i_version; | |
124 | flags |= XFS_ILOG_CORE; | |
125 | } | |
126 | ||
1da177e4 | 127 | tp->t_flags |= XFS_TRANS_DIRTY; |
e98c414f | 128 | ip->i_itemp->ili_item.li_desc->lid_flags |= XFS_LID_DIRTY; |
1da177e4 LT |
129 | |
130 | /* | |
131 | * Always OR in the bits from the ili_last_fields field. | |
132 | * This is to coordinate with the xfs_iflush() and xfs_iflush_done() | |
f5d8d5c4 | 133 | * routines in the eventual clearing of the ili_fields bits. |
1da177e4 | 134 | * See the big comment in xfs_iflush() for an explanation of |
c41564b5 | 135 | * this coordination mechanism. |
1da177e4 LT |
136 | */ |
137 | flags |= ip->i_itemp->ili_last_fields; | |
f5d8d5c4 | 138 | ip->i_itemp->ili_fields |= flags; |
1da177e4 | 139 | } |