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"
23 #include "xfs_trans.h"
26 #include "xfs_mount.h"
27 #include "xfs_bmap_btree.h"
28 #include "xfs_alloc_btree.h"
29 #include "xfs_ialloc_btree.h"
30 #include "xfs_dinode.h"
31 #include "xfs_inode.h"
32 #include "xfs_btree.h"
33 #include "xfs_trans_priv.h"
34 #include "xfs_inode_item.h"
35 #include "xfs_trace.h"
37 #ifdef XFS_TRANS_DEBUG
39 xfs_trans_inode_broot_debug(
42 #define xfs_trans_inode_broot_debug(ip)
46 * Add a locked inode to the transaction.
48 * The inode must be locked, and it cannot be associated with any transaction.
49 * If lock_flags is non-zero the inode will be unlocked on transaction commit.
57 xfs_inode_log_item_t *iip;
59 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
60 if (ip->i_itemp == NULL)
61 xfs_inode_item_init(ip, ip->i_mount);
64 ASSERT(iip->ili_lock_flags == 0);
65 iip->ili_lock_flags = lock_flags;
68 * Get a log_item_desc to point at the new item.
70 xfs_trans_add_item(tp, &iip->ili_item);
72 xfs_trans_inode_broot_debug(ip);
76 * Transactional inode timestamp update. Requires the inode to be locked and
77 * joined to the transaction supplied. Relies on the transaction subsystem to
78 * track dirty state and update/writeback the inode accordingly.
86 struct inode *inode = VFS_I(ip);
90 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
92 tv = current_fs_time(inode->i_sb);
94 if ((flags & XFS_ICHGTIME_MOD) &&
95 !timespec_equal(&inode->i_mtime, &tv)) {
97 ip->i_d.di_mtime.t_sec = tv.tv_sec;
98 ip->i_d.di_mtime.t_nsec = tv.tv_nsec;
100 if ((flags & XFS_ICHGTIME_CHG) &&
101 !timespec_equal(&inode->i_ctime, &tv)) {
103 ip->i_d.di_ctime.t_sec = tv.tv_sec;
104 ip->i_d.di_ctime.t_nsec = tv.tv_nsec;
109 * This is called to mark the fields indicated in fieldmask as needing
110 * to be logged when the transaction is committed. The inode must
111 * already be associated with the given transaction.
113 * The values for fieldmask are defined in xfs_inode_item.h. We always
114 * log all of the core inode if any of it has changed, and we always log
115 * all of the inline data/extents/b-tree root if any of them has changed.
123 ASSERT(ip->i_itemp != NULL);
124 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
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;
140 #ifdef XFS_TRANS_DEBUG
142 * Keep track of the state of the inode btree root to make sure we
146 xfs_trans_inode_broot_debug(
149 xfs_inode_log_item_t *iip;
151 ASSERT(ip->i_itemp != NULL);
153 if (iip->ili_root_size != 0) {
154 ASSERT(iip->ili_orig_root != NULL);
155 kmem_free(iip->ili_orig_root);
156 iip->ili_root_size = 0;
157 iip->ili_orig_root = NULL;
159 if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE) {
160 ASSERT((ip->i_df.if_broot != NULL) &&
161 (ip->i_df.if_broot_bytes > 0));
162 iip->ili_root_size = ip->i_df.if_broot_bytes;
164 (char*)kmem_alloc(iip->ili_root_size, KM_SLEEP);
165 memcpy(iip->ili_orig_root, (char*)(ip->i_df.if_broot),