Commit | Line | Data |
---|---|---|
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" |
1da177e4 | 20 | #include "xfs_types.h" |
1da177e4 LT |
21 | #include "xfs_log.h" |
22 | #include "xfs_trans.h" | |
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" |
a844f451 NS |
32 | #include "xfs_trans_priv.h" |
33 | #include "xfs_inode_item.h" | |
898621d5 | 34 | #include "xfs_trace.h" |
1da177e4 LT |
35 | |
36 | #ifdef XFS_TRANS_DEBUG | |
37 | STATIC void | |
38 | xfs_trans_inode_broot_debug( | |
39 | xfs_inode_t *ip); | |
40 | #else | |
41 | #define xfs_trans_inode_broot_debug(ip) | |
42 | #endif | |
43 | ||
1da177e4 | 44 | /* |
898621d5 CH |
45 | * Add a locked inode to the transaction. |
46 | * | |
47 | * The inode must be locked, and it cannot be associated with any transaction. | |
ddc3415a | 48 | * If lock_flags is non-zero the inode will be unlocked on transaction commit. |
1da177e4 LT |
49 | */ |
50 | void | |
51 | xfs_trans_ijoin( | |
898621d5 | 52 | struct xfs_trans *tp, |
ddc3415a CH |
53 | struct xfs_inode *ip, |
54 | uint lock_flags) | |
1da177e4 LT |
55 | { |
56 | xfs_inode_log_item_t *iip; | |
57 | ||
579aa9ca | 58 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
1da177e4 LT |
59 | if (ip->i_itemp == NULL) |
60 | xfs_inode_item_init(ip, ip->i_mount); | |
61 | iip = ip->i_itemp; | |
ddc3415a | 62 | |
898621d5 | 63 | ASSERT(iip->ili_lock_flags == 0); |
ddc3415a | 64 | iip->ili_lock_flags = lock_flags; |
1da177e4 LT |
65 | |
66 | /* | |
67 | * Get a log_item_desc to point at the new item. | |
68 | */ | |
e98c414f | 69 | xfs_trans_add_item(tp, &iip->ili_item); |
1da177e4 LT |
70 | |
71 | xfs_trans_inode_broot_debug(ip); | |
1da177e4 LT |
72 | } |
73 | ||
dcd79a14 DC |
74 | /* |
75 | * Transactional inode timestamp update. Requires the inode to be locked and | |
76 | * joined to the transaction supplied. Relies on the transaction subsystem to | |
77 | * track dirty state and update/writeback the inode accordingly. | |
78 | */ | |
79 | void | |
80 | xfs_trans_ichgtime( | |
81 | struct xfs_trans *tp, | |
82 | struct xfs_inode *ip, | |
83 | int flags) | |
84 | { | |
85 | struct inode *inode = VFS_I(ip); | |
86 | timespec_t tv; | |
87 | ||
88 | ASSERT(tp); | |
89 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); | |
dcd79a14 DC |
90 | |
91 | tv = current_fs_time(inode->i_sb); | |
92 | ||
93 | if ((flags & XFS_ICHGTIME_MOD) && | |
94 | !timespec_equal(&inode->i_mtime, &tv)) { | |
95 | inode->i_mtime = tv; | |
8a9c9980 CH |
96 | ip->i_d.di_mtime.t_sec = tv.tv_sec; |
97 | ip->i_d.di_mtime.t_nsec = tv.tv_nsec; | |
dcd79a14 DC |
98 | } |
99 | if ((flags & XFS_ICHGTIME_CHG) && | |
100 | !timespec_equal(&inode->i_ctime, &tv)) { | |
101 | inode->i_ctime = tv; | |
8a9c9980 CH |
102 | ip->i_d.di_ctime.t_sec = tv.tv_sec; |
103 | ip->i_d.di_ctime.t_nsec = tv.tv_nsec; | |
dcd79a14 DC |
104 | } |
105 | } | |
106 | ||
1da177e4 LT |
107 | /* |
108 | * This is called to mark the fields indicated in fieldmask as needing | |
109 | * to be logged when the transaction is committed. The inode must | |
110 | * already be associated with the given transaction. | |
111 | * | |
112 | * The values for fieldmask are defined in xfs_inode_item.h. We always | |
113 | * log all of the core inode if any of it has changed, and we always log | |
114 | * all of the inline data/extents/b-tree root if any of them has changed. | |
115 | */ | |
116 | void | |
117 | xfs_trans_log_inode( | |
118 | xfs_trans_t *tp, | |
119 | xfs_inode_t *ip, | |
120 | uint flags) | |
121 | { | |
1da177e4 | 122 | ASSERT(ip->i_itemp != NULL); |
579aa9ca | 123 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
1da177e4 | 124 | |
1da177e4 | 125 | tp->t_flags |= XFS_TRANS_DIRTY; |
e98c414f | 126 | ip->i_itemp->ili_item.li_desc->lid_flags |= XFS_LID_DIRTY; |
1da177e4 LT |
127 | |
128 | /* | |
129 | * Always OR in the bits from the ili_last_fields field. | |
130 | * This is to coordinate with the xfs_iflush() and xfs_iflush_done() | |
f5d8d5c4 | 131 | * routines in the eventual clearing of the ili_fields bits. |
1da177e4 | 132 | * See the big comment in xfs_iflush() for an explanation of |
c41564b5 | 133 | * this coordination mechanism. |
1da177e4 LT |
134 | */ |
135 | flags |= ip->i_itemp->ili_last_fields; | |
f5d8d5c4 | 136 | ip->i_itemp->ili_fields |= flags; |
1da177e4 LT |
137 | } |
138 | ||
139 | #ifdef XFS_TRANS_DEBUG | |
140 | /* | |
141 | * Keep track of the state of the inode btree root to make sure we | |
142 | * log it properly. | |
143 | */ | |
144 | STATIC void | |
145 | xfs_trans_inode_broot_debug( | |
146 | xfs_inode_t *ip) | |
147 | { | |
148 | xfs_inode_log_item_t *iip; | |
149 | ||
150 | ASSERT(ip->i_itemp != NULL); | |
151 | iip = ip->i_itemp; | |
152 | if (iip->ili_root_size != 0) { | |
153 | ASSERT(iip->ili_orig_root != NULL); | |
f0e2d93c | 154 | kmem_free(iip->ili_orig_root); |
1da177e4 LT |
155 | iip->ili_root_size = 0; |
156 | iip->ili_orig_root = NULL; | |
157 | } | |
158 | if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE) { | |
159 | ASSERT((ip->i_df.if_broot != NULL) && | |
160 | (ip->i_df.if_broot_bytes > 0)); | |
161 | iip->ili_root_size = ip->i_df.if_broot_bytes; | |
162 | iip->ili_orig_root = | |
163 | (char*)kmem_alloc(iip->ili_root_size, KM_SLEEP); | |
164 | memcpy(iip->ili_orig_root, (char*)(ip->i_df.if_broot), | |
165 | iip->ili_root_size); | |
166 | } | |
167 | } | |
168 | #endif |