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" |
a844f451 | 21 | #include "xfs_bit.h" |
1da177e4 | 22 | #include "xfs_log.h" |
a844f451 | 23 | #include "xfs_inum.h" |
1da177e4 LT |
24 | #include "xfs_trans.h" |
25 | #include "xfs_sb.h" | |
26 | #include "xfs_ag.h" | |
1da177e4 | 27 | #include "xfs_mount.h" |
1da177e4 | 28 | #include "xfs_bmap_btree.h" |
a844f451 | 29 | #include "xfs_alloc_btree.h" |
1da177e4 | 30 | #include "xfs_ialloc_btree.h" |
1da177e4 | 31 | #include "xfs_dinode.h" |
1da177e4 | 32 | #include "xfs_inode.h" |
a844f451 | 33 | #include "xfs_btree.h" |
a844f451 NS |
34 | #include "xfs_trans_priv.h" |
35 | #include "xfs_inode_item.h" | |
898621d5 | 36 | #include "xfs_trace.h" |
1da177e4 LT |
37 | |
38 | #ifdef XFS_TRANS_DEBUG | |
39 | STATIC void | |
40 | xfs_trans_inode_broot_debug( | |
41 | xfs_inode_t *ip); | |
42 | #else | |
43 | #define xfs_trans_inode_broot_debug(ip) | |
44 | #endif | |
45 | ||
1da177e4 | 46 | /* |
898621d5 CH |
47 | * Add a locked inode to the transaction. |
48 | * | |
49 | * The inode must be locked, and it cannot be associated with any transaction. | |
ddc3415a | 50 | * If lock_flags is non-zero the inode will be unlocked on transaction commit. |
1da177e4 LT |
51 | */ |
52 | void | |
53 | xfs_trans_ijoin( | |
898621d5 | 54 | struct xfs_trans *tp, |
ddc3415a CH |
55 | struct xfs_inode *ip, |
56 | uint lock_flags) | |
1da177e4 LT |
57 | { |
58 | xfs_inode_log_item_t *iip; | |
59 | ||
579aa9ca | 60 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
1da177e4 LT |
61 | if (ip->i_itemp == NULL) |
62 | xfs_inode_item_init(ip, ip->i_mount); | |
63 | iip = ip->i_itemp; | |
ddc3415a | 64 | |
898621d5 | 65 | ASSERT(iip->ili_lock_flags == 0); |
ddc3415a | 66 | iip->ili_lock_flags = lock_flags; |
1da177e4 LT |
67 | |
68 | /* | |
69 | * Get a log_item_desc to point at the new item. | |
70 | */ | |
e98c414f | 71 | xfs_trans_add_item(tp, &iip->ili_item); |
1da177e4 LT |
72 | |
73 | xfs_trans_inode_broot_debug(ip); | |
1da177e4 LT |
74 | } |
75 | ||
dcd79a14 DC |
76 | /* |
77 | * Transactional inode timestamp update. Requires the inode to be locked and | |
78 | * joined to the transaction supplied. Relies on the transaction subsystem to | |
79 | * track dirty state and update/writeback the inode accordingly. | |
80 | */ | |
81 | void | |
82 | xfs_trans_ichgtime( | |
83 | struct xfs_trans *tp, | |
84 | struct xfs_inode *ip, | |
85 | int flags) | |
86 | { | |
87 | struct inode *inode = VFS_I(ip); | |
88 | timespec_t tv; | |
89 | ||
90 | ASSERT(tp); | |
91 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); | |
dcd79a14 DC |
92 | |
93 | tv = current_fs_time(inode->i_sb); | |
94 | ||
95 | if ((flags & XFS_ICHGTIME_MOD) && | |
96 | !timespec_equal(&inode->i_mtime, &tv)) { | |
97 | inode->i_mtime = tv; | |
98 | } | |
99 | if ((flags & XFS_ICHGTIME_CHG) && | |
100 | !timespec_equal(&inode->i_ctime, &tv)) { | |
101 | inode->i_ctime = tv; | |
102 | } | |
103 | } | |
104 | ||
1da177e4 LT |
105 | /* |
106 | * This is called to mark the fields indicated in fieldmask as needing | |
107 | * to be logged when the transaction is committed. The inode must | |
108 | * already be associated with the given transaction. | |
109 | * | |
110 | * The values for fieldmask are defined in xfs_inode_item.h. We always | |
111 | * log all of the core inode if any of it has changed, and we always log | |
112 | * all of the inline data/extents/b-tree root if any of them has changed. | |
113 | */ | |
114 | void | |
115 | xfs_trans_log_inode( | |
116 | xfs_trans_t *tp, | |
117 | xfs_inode_t *ip, | |
118 | uint flags) | |
119 | { | |
1da177e4 | 120 | ASSERT(ip->i_itemp != NULL); |
579aa9ca | 121 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
1da177e4 | 122 | |
1da177e4 | 123 | tp->t_flags |= XFS_TRANS_DIRTY; |
e98c414f | 124 | ip->i_itemp->ili_item.li_desc->lid_flags |= XFS_LID_DIRTY; |
1da177e4 LT |
125 | |
126 | /* | |
127 | * Always OR in the bits from the ili_last_fields field. | |
128 | * This is to coordinate with the xfs_iflush() and xfs_iflush_done() | |
129 | * routines in the eventual clearing of the ilf_fields bits. | |
130 | * See the big comment in xfs_iflush() for an explanation of | |
c41564b5 | 131 | * this coordination mechanism. |
1da177e4 LT |
132 | */ |
133 | flags |= ip->i_itemp->ili_last_fields; | |
134 | ip->i_itemp->ili_format.ilf_fields |= flags; | |
135 | } | |
136 | ||
137 | #ifdef XFS_TRANS_DEBUG | |
138 | /* | |
139 | * Keep track of the state of the inode btree root to make sure we | |
140 | * log it properly. | |
141 | */ | |
142 | STATIC void | |
143 | xfs_trans_inode_broot_debug( | |
144 | xfs_inode_t *ip) | |
145 | { | |
146 | xfs_inode_log_item_t *iip; | |
147 | ||
148 | ASSERT(ip->i_itemp != NULL); | |
149 | iip = ip->i_itemp; | |
150 | if (iip->ili_root_size != 0) { | |
151 | ASSERT(iip->ili_orig_root != NULL); | |
f0e2d93c | 152 | kmem_free(iip->ili_orig_root); |
1da177e4 LT |
153 | iip->ili_root_size = 0; |
154 | iip->ili_orig_root = NULL; | |
155 | } | |
156 | if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE) { | |
157 | ASSERT((ip->i_df.if_broot != NULL) && | |
158 | (ip->i_df.if_broot_bytes > 0)); | |
159 | iip->ili_root_size = ip->i_df.if_broot_bytes; | |
160 | iip->ili_orig_root = | |
161 | (char*)kmem_alloc(iip->ili_root_size, KM_SLEEP); | |
162 | memcpy(iip->ili_orig_root, (char*)(ip->i_df.if_broot), | |
163 | iip->ili_root_size); | |
164 | } | |
165 | } | |
166 | #endif |