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"
24 #include "xfs_trans.h"
28 #include "xfs_dmapi.h"
29 #include "xfs_mount.h"
30 #include "xfs_bmap_btree.h"
31 #include "xfs_alloc_btree.h"
32 #include "xfs_ialloc_btree.h"
33 #include "xfs_dir2_sf.h"
34 #include "xfs_attr_sf.h"
35 #include "xfs_dinode.h"
36 #include "xfs_inode.h"
37 #include "xfs_btree.h"
38 #include "xfs_ialloc.h"
39 #include "xfs_trans_priv.h"
40 #include "xfs_inode_item.h"
42 #ifdef XFS_TRANS_DEBUG
44 xfs_trans_inode_broot_debug(
47 #define xfs_trans_inode_broot_debug(ip)
52 * Get an inode and join it to the transaction.
65 error = xfs_iget(mp, tp, ino, flags, lock_flags, ipp);
67 xfs_trans_ijoin(tp, *ipp, lock_flags);
72 * Add the locked inode to the transaction.
73 * The inode must be locked, and it cannot be associated with any
74 * transaction. The caller must specify the locks already held
83 xfs_inode_log_item_t *iip;
85 ASSERT(ip->i_transp == NULL);
86 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
87 ASSERT(lock_flags & XFS_ILOCK_EXCL);
88 if (ip->i_itemp == NULL)
89 xfs_inode_item_init(ip, ip->i_mount);
91 ASSERT(iip->ili_flags == 0);
94 * Get a log_item_desc to point at the new item.
96 (void) xfs_trans_add_item(tp, (xfs_log_item_t*)(iip));
98 xfs_trans_inode_broot_debug(ip);
101 * If the IO lock is already held, mark that in the inode log item.
103 if (lock_flags & XFS_IOLOCK_EXCL) {
104 iip->ili_flags |= XFS_ILI_IOLOCKED_EXCL;
105 } else if (lock_flags & XFS_IOLOCK_SHARED) {
106 iip->ili_flags |= XFS_ILI_IOLOCKED_SHARED;
110 * Initialize i_transp so we can find it with xfs_inode_incore()
111 * in xfs_trans_iget() above.
119 * Mark the inode as not needing to be unlocked when the inode item's
120 * IOP_UNLOCK() routine is called. The inode must already be locked
121 * and associated with the given transaction.
129 ASSERT(ip->i_transp == tp);
130 ASSERT(ip->i_itemp != NULL);
131 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
133 ip->i_itemp->ili_flags |= XFS_ILI_HOLD;
138 * This is called to mark the fields indicated in fieldmask as needing
139 * to be logged when the transaction is committed. The inode must
140 * already be associated with the given transaction.
142 * The values for fieldmask are defined in xfs_inode_item.h. We always
143 * log all of the core inode if any of it has changed, and we always log
144 * all of the inline data/extents/b-tree root if any of them has changed.
152 xfs_log_item_desc_t *lidp;
154 ASSERT(ip->i_transp == tp);
155 ASSERT(ip->i_itemp != NULL);
156 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
158 lidp = xfs_trans_find_item(tp, (xfs_log_item_t*)(ip->i_itemp));
159 ASSERT(lidp != NULL);
161 tp->t_flags |= XFS_TRANS_DIRTY;
162 lidp->lid_flags |= XFS_LID_DIRTY;
165 * Always OR in the bits from the ili_last_fields field.
166 * This is to coordinate with the xfs_iflush() and xfs_iflush_done()
167 * routines in the eventual clearing of the ilf_fields bits.
168 * See the big comment in xfs_iflush() for an explanation of
169 * this coordination mechanism.
171 flags |= ip->i_itemp->ili_last_fields;
172 ip->i_itemp->ili_format.ilf_fields |= flags;
175 #ifdef XFS_TRANS_DEBUG
177 * Keep track of the state of the inode btree root to make sure we
181 xfs_trans_inode_broot_debug(
184 xfs_inode_log_item_t *iip;
186 ASSERT(ip->i_itemp != NULL);
188 if (iip->ili_root_size != 0) {
189 ASSERT(iip->ili_orig_root != NULL);
190 kmem_free(iip->ili_orig_root);
191 iip->ili_root_size = 0;
192 iip->ili_orig_root = NULL;
194 if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE) {
195 ASSERT((ip->i_df.if_broot != NULL) &&
196 (ip->i_df.if_broot_bytes > 0));
197 iip->ili_root_size = ip->i_df.if_broot_bytes;
199 (char*)kmem_alloc(iip->ili_root_size, KM_SLEEP);
200 memcpy(iip->ili_orig_root, (char*)(ip->i_df.if_broot),