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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott7b718762005-11-02 14:58:39 +11005 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * published by the Free Software Foundation.
8 *
Nathan Scott7b718762005-11-02 14:58:39 +11009 * 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott7b718762005-11-02 14:58:39 +110014 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include "xfs.h"
Nathan Scotta844f452005-11-02 14:38:42 +110019#include "xfs_fs.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#include "xfs_types.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070021#include "xfs_log.h"
22#include "xfs_trans.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include "xfs_sb.h"
Nathan Scotta844f452005-11-02 14:38:42 +110024#include "xfs_ag.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#include "xfs_mount.h"
26#include "xfs_trans_priv.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include "xfs_bmap_btree.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include "xfs_dinode.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#include "xfs_inode.h"
Nathan Scotta844f452005-11-02 14:38:42 +110030#include "xfs_inode_item.h"
David Chinnerdb7a19f2008-04-10 12:22:24 +100031#include "xfs_error.h"
Christoph Hellwig0b1b2132009-12-14 23:14:59 +000032#include "xfs_trace.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
34
35kmem_zone_t *xfs_ili_zone; /* inode log item zone */
36
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +100037static inline struct xfs_inode_log_item *INODE_ITEM(struct xfs_log_item *lip)
38{
39 return container_of(lip, struct xfs_inode_log_item, ili_item);
40}
41
42
Linus Torvalds1da177e2005-04-16 15:20:36 -070043/*
44 * This returns the number of iovecs needed to log the given inode item.
45 *
46 * We need one iovec for the inode log format structure, one for the
47 * inode core, and possibly one for the inode data/extents/b-tree root
48 * and one for the inode attribute data/extents/b-tree root.
49 */
50STATIC uint
51xfs_inode_item_size(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +100052 struct xfs_log_item *lip)
Linus Torvalds1da177e2005-04-16 15:20:36 -070053{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +100054 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
55 struct xfs_inode *ip = iip->ili_inode;
56 uint nvecs = 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
Linus Torvalds1da177e2005-04-16 15:20:36 -070058 switch (ip->i_d.di_format) {
59 case XFS_DINODE_FMT_EXTENTS:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +000060 if ((iip->ili_fields & XFS_ILOG_DEXT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +000061 ip->i_d.di_nextents > 0 &&
62 ip->i_df.if_bytes > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070063 nvecs++;
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 break;
65
66 case XFS_DINODE_FMT_BTREE:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +000067 if ((iip->ili_fields & XFS_ILOG_DBROOT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +000068 ip->i_df.if_broot_bytes > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 nvecs++;
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 break;
71
72 case XFS_DINODE_FMT_LOCAL:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +000073 if ((iip->ili_fields & XFS_ILOG_DDATA) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +000074 ip->i_df.if_bytes > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 nvecs++;
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 break;
77
78 case XFS_DINODE_FMT_DEV:
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 case XFS_DINODE_FMT_UUID:
Linus Torvalds1da177e2005-04-16 15:20:36 -070080 break;
81
82 default:
83 ASSERT(0);
84 break;
85 }
86
Christoph Hellwig339a5f52012-02-29 09:53:53 +000087 if (!XFS_IFORK_Q(ip))
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 return nvecs;
Christoph Hellwig339a5f52012-02-29 09:53:53 +000089
Linus Torvalds1da177e2005-04-16 15:20:36 -070090
91 /*
92 * Log any necessary attribute data.
93 */
94 switch (ip->i_d.di_aformat) {
95 case XFS_DINODE_FMT_EXTENTS:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +000096 if ((iip->ili_fields & XFS_ILOG_AEXT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +000097 ip->i_d.di_anextents > 0 &&
98 ip->i_afp->if_bytes > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 nvecs++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 break;
101
102 case XFS_DINODE_FMT_BTREE:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000103 if ((iip->ili_fields & XFS_ILOG_ABROOT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000104 ip->i_afp->if_broot_bytes > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 nvecs++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106 break;
107
108 case XFS_DINODE_FMT_LOCAL:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000109 if ((iip->ili_fields & XFS_ILOG_ADATA) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000110 ip->i_afp->if_bytes > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 nvecs++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 break;
113
114 default:
115 ASSERT(0);
116 break;
117 }
118
119 return nvecs;
120}
121
122/*
Dave Chinnere8287762011-04-08 12:45:07 +1000123 * xfs_inode_item_format_extents - convert in-core extents to on-disk form
124 *
125 * For either the data or attr fork in extent format, we need to endian convert
126 * the in-core extent as we place them into the on-disk inode. In this case, we
127 * need to do this conversion before we write the extents into the log. Because
128 * we don't have the disk inode to write into here, we allocate a buffer and
129 * format the extents into it via xfs_iextents_copy(). We free the buffer in
130 * the unlock routine after the copy for the log has been made.
131 *
132 * In the case of the data fork, the in-core and on-disk fork sizes can be
133 * different due to delayed allocation extents. We only log on-disk extents
134 * here, so always use the physical fork size to determine the size of the
135 * buffer we need to allocate.
136 */
137STATIC void
138xfs_inode_item_format_extents(
139 struct xfs_inode *ip,
140 struct xfs_log_iovec *vecp,
141 int whichfork,
142 int type)
143{
144 xfs_bmbt_rec_t *ext_buffer;
145
146 ext_buffer = kmem_alloc(XFS_IFORK_SIZE(ip, whichfork), KM_SLEEP);
147 if (whichfork == XFS_DATA_FORK)
148 ip->i_itemp->ili_extents_buf = ext_buffer;
149 else
150 ip->i_itemp->ili_aextents_buf = ext_buffer;
151
152 vecp->i_addr = ext_buffer;
153 vecp->i_len = xfs_iextents_copy(ip, ext_buffer, whichfork);
154 vecp->i_type = type;
155}
156
157/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158 * This is called to fill in the vector of log iovecs for the
159 * given inode log item. It fills the first item with an inode
160 * log format structure, the second with the on-disk inode structure,
161 * and a possible third and/or fourth with the inode data/extents/b-tree
162 * root and inode attributes data/extents/b-tree root.
163 */
164STATIC void
165xfs_inode_item_format(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000166 struct xfs_log_item *lip,
167 struct xfs_log_iovec *vecp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000169 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
170 struct xfs_inode *ip = iip->ili_inode;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171 uint nvecs;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172 size_t data_bytes;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173 xfs_mount_t *mp;
174
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000175 vecp->i_addr = &iip->ili_format;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176 vecp->i_len = sizeof(xfs_inode_log_format_t);
Christoph Hellwig4139b3b2010-01-19 09:56:45 +0000177 vecp->i_type = XLOG_REG_TYPE_IFORMAT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 vecp++;
179 nvecs = 1;
180
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000181 vecp->i_addr = &ip->i_d;
Christoph Hellwig93848a92013-04-03 16:11:17 +1100182 vecp->i_len = xfs_icdinode_size(ip->i_d.di_version);
Christoph Hellwig4139b3b2010-01-19 09:56:45 +0000183 vecp->i_type = XLOG_REG_TYPE_ICORE;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184 vecp++;
185 nvecs++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186
187 /*
188 * If this is really an old format inode, then we need to
189 * log it as such. This means that we have to copy the link
190 * count from the new field to the old. We don't have to worry
191 * about the new fields, because nothing trusts them as long as
192 * the old inode version number is there. If the superblock already
193 * has a new version number, then we don't bother converting back.
194 */
195 mp = ip->i_mount;
Christoph Hellwig51ce16d2008-11-28 14:23:39 +1100196 ASSERT(ip->i_d.di_version == 1 || xfs_sb_version_hasnlink(&mp->m_sb));
197 if (ip->i_d.di_version == 1) {
Eric Sandeen62118702008-03-06 13:44:28 +1100198 if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 /*
200 * Convert it back.
201 */
202 ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1);
203 ip->i_d.di_onlink = ip->i_d.di_nlink;
204 } else {
205 /*
206 * The superblock version has already been bumped,
207 * so just make the conversion to the new inode
208 * format permanent.
209 */
Christoph Hellwig51ce16d2008-11-28 14:23:39 +1100210 ip->i_d.di_version = 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211 ip->i_d.di_onlink = 0;
212 memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
213 }
214 }
215
216 switch (ip->i_d.di_format) {
217 case XFS_DINODE_FMT_EXTENTS:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000218 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000219 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
220 XFS_ILOG_DEV | XFS_ILOG_UUID);
221
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000222 if ((iip->ili_fields & XFS_ILOG_DEXT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000223 ip->i_d.di_nextents > 0 &&
224 ip->i_df.if_bytes > 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225 ASSERT(ip->i_df.if_u1.if_extents != NULL);
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000226 ASSERT(ip->i_df.if_bytes / sizeof(xfs_bmbt_rec_t) > 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700227 ASSERT(iip->ili_extents_buf == NULL);
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000228
Nathan Scottf016bad2005-09-08 15:30:05 +1000229#ifdef XFS_NATIVE_HOST
Dave Chinner696123f2010-07-26 13:51:46 -0500230 if (ip->i_d.di_nextents == ip->i_df.if_bytes /
231 (uint)sizeof(xfs_bmbt_rec_t)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232 /*
233 * There are no delayed allocation
234 * extents, so just point to the
235 * real extents array.
236 */
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000237 vecp->i_addr = ip->i_df.if_u1.if_extents;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238 vecp->i_len = ip->i_df.if_bytes;
Christoph Hellwig4139b3b2010-01-19 09:56:45 +0000239 vecp->i_type = XLOG_REG_TYPE_IEXT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240 } else
241#endif
242 {
Dave Chinnere8287762011-04-08 12:45:07 +1000243 xfs_inode_item_format_extents(ip, vecp,
244 XFS_DATA_FORK, XLOG_REG_TYPE_IEXT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245 }
246 ASSERT(vecp->i_len <= ip->i_df.if_bytes);
247 iip->ili_format.ilf_dsize = vecp->i_len;
248 vecp++;
249 nvecs++;
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000250 } else {
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000251 iip->ili_fields &= ~XFS_ILOG_DEXT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252 }
253 break;
254
255 case XFS_DINODE_FMT_BTREE:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000256 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000257 ~(XFS_ILOG_DDATA | XFS_ILOG_DEXT |
258 XFS_ILOG_DEV | XFS_ILOG_UUID);
259
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000260 if ((iip->ili_fields & XFS_ILOG_DBROOT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000261 ip->i_df.if_broot_bytes > 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262 ASSERT(ip->i_df.if_broot != NULL);
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000263 vecp->i_addr = ip->i_df.if_broot;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264 vecp->i_len = ip->i_df.if_broot_bytes;
Christoph Hellwig4139b3b2010-01-19 09:56:45 +0000265 vecp->i_type = XLOG_REG_TYPE_IBROOT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266 vecp++;
267 nvecs++;
268 iip->ili_format.ilf_dsize = ip->i_df.if_broot_bytes;
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000269 } else {
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000270 ASSERT(!(iip->ili_fields &
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000271 XFS_ILOG_DBROOT));
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000272 iip->ili_fields &= ~XFS_ILOG_DBROOT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273 }
274 break;
275
276 case XFS_DINODE_FMT_LOCAL:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000277 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000278 ~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT |
279 XFS_ILOG_DEV | XFS_ILOG_UUID);
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000280 if ((iip->ili_fields & XFS_ILOG_DDATA) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000281 ip->i_df.if_bytes > 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282 ASSERT(ip->i_df.if_u1.if_data != NULL);
283 ASSERT(ip->i_d.di_size > 0);
284
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000285 vecp->i_addr = ip->i_df.if_u1.if_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286 /*
287 * Round i_bytes up to a word boundary.
288 * The underlying memory is guaranteed to
289 * to be there by xfs_idata_realloc().
290 */
291 data_bytes = roundup(ip->i_df.if_bytes, 4);
292 ASSERT((ip->i_df.if_real_bytes == 0) ||
293 (ip->i_df.if_real_bytes == data_bytes));
294 vecp->i_len = (int)data_bytes;
Christoph Hellwig4139b3b2010-01-19 09:56:45 +0000295 vecp->i_type = XLOG_REG_TYPE_ILOCAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296 vecp++;
297 nvecs++;
298 iip->ili_format.ilf_dsize = (unsigned)data_bytes;
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000299 } else {
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000300 iip->ili_fields &= ~XFS_ILOG_DDATA;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301 }
302 break;
303
304 case XFS_DINODE_FMT_DEV:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000305 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000306 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
307 XFS_ILOG_DEXT | XFS_ILOG_UUID);
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000308 if (iip->ili_fields & XFS_ILOG_DEV) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309 iip->ili_format.ilf_u.ilfu_rdev =
310 ip->i_df.if_u2.if_rdev;
311 }
312 break;
313
314 case XFS_DINODE_FMT_UUID:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000315 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000316 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
317 XFS_ILOG_DEXT | XFS_ILOG_DEV);
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000318 if (iip->ili_fields & XFS_ILOG_UUID) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319 iip->ili_format.ilf_u.ilfu_uuid =
320 ip->i_df.if_u2.if_uuid;
321 }
322 break;
323
324 default:
325 ASSERT(0);
326 break;
327 }
328
329 /*
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000330 * If there are no attributes associated with the file, then we're done.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331 */
332 if (!XFS_IFORK_Q(ip)) {
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000333 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000334 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT);
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000335 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336 }
337
338 switch (ip->i_d.di_aformat) {
339 case XFS_DINODE_FMT_EXTENTS:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000340 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000341 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT);
342
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000343 if ((iip->ili_fields & XFS_ILOG_AEXT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000344 ip->i_d.di_anextents > 0 &&
345 ip->i_afp->if_bytes > 0) {
346 ASSERT(ip->i_afp->if_bytes / sizeof(xfs_bmbt_rec_t) ==
347 ip->i_d.di_anextents);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700348 ASSERT(ip->i_afp->if_u1.if_extents != NULL);
Nathan Scottf016bad2005-09-08 15:30:05 +1000349#ifdef XFS_NATIVE_HOST
Linus Torvalds1da177e2005-04-16 15:20:36 -0700350 /*
351 * There are not delayed allocation extents
352 * for attributes, so just point at the array.
353 */
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000354 vecp->i_addr = ip->i_afp->if_u1.if_extents;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355 vecp->i_len = ip->i_afp->if_bytes;
Dave Chinnere8287762011-04-08 12:45:07 +1000356 vecp->i_type = XLOG_REG_TYPE_IATTR_EXT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700357#else
358 ASSERT(iip->ili_aextents_buf == NULL);
Dave Chinnere8287762011-04-08 12:45:07 +1000359 xfs_inode_item_format_extents(ip, vecp,
360 XFS_ATTR_FORK, XLOG_REG_TYPE_IATTR_EXT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361#endif
362 iip->ili_format.ilf_asize = vecp->i_len;
363 vecp++;
364 nvecs++;
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000365 } else {
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000366 iip->ili_fields &= ~XFS_ILOG_AEXT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367 }
368 break;
369
370 case XFS_DINODE_FMT_BTREE:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000371 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000372 ~(XFS_ILOG_ADATA | XFS_ILOG_AEXT);
373
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000374 if ((iip->ili_fields & XFS_ILOG_ABROOT) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000375 ip->i_afp->if_broot_bytes > 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376 ASSERT(ip->i_afp->if_broot != NULL);
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000377
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000378 vecp->i_addr = ip->i_afp->if_broot;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379 vecp->i_len = ip->i_afp->if_broot_bytes;
Christoph Hellwig4139b3b2010-01-19 09:56:45 +0000380 vecp->i_type = XLOG_REG_TYPE_IATTR_BROOT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381 vecp++;
382 nvecs++;
383 iip->ili_format.ilf_asize = ip->i_afp->if_broot_bytes;
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000384 } else {
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000385 iip->ili_fields &= ~XFS_ILOG_ABROOT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386 }
387 break;
388
389 case XFS_DINODE_FMT_LOCAL:
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000390 iip->ili_fields &=
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000391 ~(XFS_ILOG_AEXT | XFS_ILOG_ABROOT);
392
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000393 if ((iip->ili_fields & XFS_ILOG_ADATA) &&
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000394 ip->i_afp->if_bytes > 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395 ASSERT(ip->i_afp->if_u1.if_data != NULL);
396
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000397 vecp->i_addr = ip->i_afp->if_u1.if_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700398 /*
399 * Round i_bytes up to a word boundary.
400 * The underlying memory is guaranteed to
401 * to be there by xfs_idata_realloc().
402 */
403 data_bytes = roundup(ip->i_afp->if_bytes, 4);
404 ASSERT((ip->i_afp->if_real_bytes == 0) ||
405 (ip->i_afp->if_real_bytes == data_bytes));
406 vecp->i_len = (int)data_bytes;
Christoph Hellwig4139b3b2010-01-19 09:56:45 +0000407 vecp->i_type = XLOG_REG_TYPE_IATTR_LOCAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700408 vecp++;
409 nvecs++;
410 iip->ili_format.ilf_asize = (unsigned)data_bytes;
Christoph Hellwig339a5f52012-02-29 09:53:53 +0000411 } else {
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000412 iip->ili_fields &= ~XFS_ILOG_ADATA;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700413 }
414 break;
415
416 default:
417 ASSERT(0);
418 break;
419 }
420
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000421out:
422 /*
423 * Now update the log format that goes out to disk from the in-core
424 * values. We always write the inode core to make the arithmetic
425 * games in recovery easier, which isn't a big deal as just about any
426 * transaction would dirty it anyway.
427 */
Christoph Hellwig8f639dd2012-02-29 09:53:55 +0000428 iip->ili_format.ilf_fields = XFS_ILOG_CORE |
429 (iip->ili_fields & ~XFS_ILOG_TIMESTAMP);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430 iip->ili_format.ilf_size = nvecs;
431}
432
433
434/*
435 * This is called to pin the inode associated with the inode log
Christoph Hellwiga14a5ab2010-02-18 12:43:22 +0000436 * item in memory so it cannot be written out.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700437 */
438STATIC void
439xfs_inode_item_pin(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000440 struct xfs_log_item *lip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700441{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000442 struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode;
Christoph Hellwiga14a5ab2010-02-18 12:43:22 +0000443
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000444 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
445
446 trace_xfs_inode_pin(ip, _RET_IP_);
447 atomic_inc(&ip->i_pincount);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448}
449
450
451/*
452 * This is called to unpin the inode associated with the inode log
453 * item which was previously pinned with a call to xfs_inode_item_pin().
Christoph Hellwiga14a5ab2010-02-18 12:43:22 +0000454 *
455 * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457STATIC void
458xfs_inode_item_unpin(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000459 struct xfs_log_item *lip,
Christoph Hellwig9412e312010-06-23 18:11:15 +1000460 int remove)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700461{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000462 struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode;
Christoph Hellwiga14a5ab2010-02-18 12:43:22 +0000463
Dave Chinner4aaf15d2010-03-08 11:24:07 +1100464 trace_xfs_inode_unpin(ip, _RET_IP_);
Christoph Hellwiga14a5ab2010-02-18 12:43:22 +0000465 ASSERT(atomic_read(&ip->i_pincount) > 0);
466 if (atomic_dec_and_test(&ip->i_pincount))
Christoph Hellwigf392e632011-12-18 20:00:10 +0000467 wake_up_bit(&ip->i_flags, __XFS_IPINNED_BIT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468}
469
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470STATIC uint
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000471xfs_inode_item_push(
472 struct xfs_log_item *lip,
473 struct list_head *buffer_list)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000475 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
476 struct xfs_inode *ip = iip->ili_inode;
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000477 struct xfs_buf *bp = NULL;
478 uint rval = XFS_ITEM_SUCCESS;
479 int error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700480
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000481 if (xfs_ipincount(ip) > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482 return XFS_ITEM_PINNED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700483
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000484 if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485 return XFS_ITEM_LOCKED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700486
Christoph Hellwig4c468192012-04-23 15:58:36 +1000487 /*
488 * Re-check the pincount now that we stabilized the value by
489 * taking the ilock.
490 */
491 if (xfs_ipincount(ip) > 0) {
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000492 rval = XFS_ITEM_PINNED;
493 goto out_unlock;
Christoph Hellwig4c468192012-04-23 15:58:36 +1000494 }
495
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000496 /*
Brian Foster9a3a5da2012-06-11 10:39:43 -0400497 * Stale inode items should force out the iclog.
498 */
499 if (ip->i_flags & XFS_ISTALE) {
500 rval = XFS_ITEM_PINNED;
501 goto out_unlock;
502 }
503
504 /*
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000505 * Someone else is already flushing the inode. Nothing we can do
506 * here but wait for the flush to finish and remove the item from
507 * the AIL.
508 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509 if (!xfs_iflock_nowait(ip)) {
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000510 rval = XFS_ITEM_FLUSHING;
511 goto out_unlock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512 }
513
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000514 ASSERT(iip->ili_fields != 0 || XFS_FORCED_SHUTDOWN(ip->i_mount));
515 ASSERT(iip->ili_logged == 0 || XFS_FORCED_SHUTDOWN(ip->i_mount));
516
517 spin_unlock(&lip->li_ailp->xa_lock);
518
519 error = xfs_iflush(ip, &bp);
520 if (!error) {
521 if (!xfs_buf_delwri_queue(bp, buffer_list))
522 rval = XFS_ITEM_FLUSHING;
523 xfs_buf_relse(bp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700524 }
Christoph Hellwig43ff2122012-04-23 15:58:39 +1000525
526 spin_lock(&lip->li_ailp->xa_lock);
527out_unlock:
528 xfs_iunlock(ip, XFS_ILOCK_SHARED);
529 return rval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530}
531
532/*
533 * Unlock the inode associated with the inode log item.
534 * Clear the fields of the inode and inode log item that
535 * are specific to the current transaction. If the
536 * hold flags is set, do not unlock the inode.
537 */
538STATIC void
539xfs_inode_item_unlock(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000540 struct xfs_log_item *lip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000542 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
543 struct xfs_inode *ip = iip->ili_inode;
Christoph Hellwig898621d2010-06-24 11:36:58 +1000544 unsigned short lock_flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700545
Christoph Hellwigf3ca87382011-07-08 14:34:47 +0200546 ASSERT(ip->i_itemp != NULL);
547 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700548
549 /*
550 * If the inode needed a separate buffer with which to log
551 * its extents, then free it now.
552 */
553 if (iip->ili_extents_buf != NULL) {
554 ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS);
555 ASSERT(ip->i_d.di_nextents > 0);
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000556 ASSERT(iip->ili_fields & XFS_ILOG_DEXT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557 ASSERT(ip->i_df.if_bytes > 0);
Denys Vlasenkof0e2d932008-05-19 16:31:57 +1000558 kmem_free(iip->ili_extents_buf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700559 iip->ili_extents_buf = NULL;
560 }
561 if (iip->ili_aextents_buf != NULL) {
562 ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS);
563 ASSERT(ip->i_d.di_anextents > 0);
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000564 ASSERT(iip->ili_fields & XFS_ILOG_AEXT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700565 ASSERT(ip->i_afp->if_bytes > 0);
Denys Vlasenkof0e2d932008-05-19 16:31:57 +1000566 kmem_free(iip->ili_aextents_buf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567 iip->ili_aextents_buf = NULL;
568 }
569
Christoph Hellwig898621d2010-06-24 11:36:58 +1000570 lock_flags = iip->ili_lock_flags;
571 iip->ili_lock_flags = 0;
Christoph Hellwigddc34152011-09-19 15:00:54 +0000572 if (lock_flags)
Christoph Hellwigf3ca87382011-07-08 14:34:47 +0200573 xfs_iunlock(ip, lock_flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700574}
575
576/*
Dave Chinnerde25c182010-11-30 15:15:46 +1100577 * This is called to find out where the oldest active copy of the inode log
578 * item in the on disk log resides now that the last log write of it completed
579 * at the given lsn. Since we always re-log all dirty data in an inode, the
580 * latest copy in the on disk log is the only one that matters. Therefore,
581 * simply return the given lsn.
582 *
583 * If the inode has been marked stale because the cluster is being freed, we
584 * don't want to (re-)insert this inode into the AIL. There is a race condition
585 * where the cluster buffer may be unpinned before the inode is inserted into
586 * the AIL during transaction committed processing. If the buffer is unpinned
587 * before the inode item has been committed and inserted, then it is possible
Dave Chinner1316d4d2011-07-04 05:27:36 +0000588 * for the buffer to be written and IO completes before the inode is inserted
Dave Chinnerde25c182010-11-30 15:15:46 +1100589 * into the AIL. In that case, we'd be inserting a clean, stale inode into the
590 * AIL which will never get removed. It will, however, get reclaimed which
591 * triggers an assert in xfs_inode_free() complaining about freein an inode
592 * still in the AIL.
593 *
Dave Chinner1316d4d2011-07-04 05:27:36 +0000594 * To avoid this, just unpin the inode directly and return a LSN of -1 so the
595 * transaction committed code knows that it does not need to do any further
596 * processing on the item.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700598STATIC xfs_lsn_t
599xfs_inode_item_committed(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000600 struct xfs_log_item *lip,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601 xfs_lsn_t lsn)
602{
Dave Chinnerde25c182010-11-30 15:15:46 +1100603 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
604 struct xfs_inode *ip = iip->ili_inode;
605
Dave Chinner1316d4d2011-07-04 05:27:36 +0000606 if (xfs_iflags_test(ip, XFS_ISTALE)) {
607 xfs_inode_item_unpin(lip, 0);
608 return -1;
609 }
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000610 return lsn;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611}
612
613/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700614 * XXX rcc - this one really has to do something. Probably needs
615 * to stamp in a new field in the incore inode.
616 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700617STATIC void
618xfs_inode_item_committing(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000619 struct xfs_log_item *lip,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620 xfs_lsn_t lsn)
621{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000622 INODE_ITEM(lip)->ili_last_lsn = lsn;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623}
624
625/*
626 * This is the ops vector shared by all buf log items.
627 */
Christoph Hellwig272e42b2011-10-28 09:54:24 +0000628static const struct xfs_item_ops xfs_inode_item_ops = {
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000629 .iop_size = xfs_inode_item_size,
630 .iop_format = xfs_inode_item_format,
631 .iop_pin = xfs_inode_item_pin,
632 .iop_unpin = xfs_inode_item_unpin,
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000633 .iop_unlock = xfs_inode_item_unlock,
634 .iop_committed = xfs_inode_item_committed,
635 .iop_push = xfs_inode_item_push,
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000636 .iop_committing = xfs_inode_item_committing
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637};
638
639
640/*
641 * Initialize the inode log item for a newly allocated (in-core) inode.
642 */
643void
644xfs_inode_item_init(
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000645 struct xfs_inode *ip,
646 struct xfs_mount *mp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700647{
Christoph Hellwig7bfa31d2010-06-23 18:11:15 +1000648 struct xfs_inode_log_item *iip;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700649
650 ASSERT(ip->i_itemp == NULL);
651 iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP);
652
Linus Torvalds1da177e2005-04-16 15:20:36 -0700653 iip->ili_inode = ip;
Dave Chinner43f5efc2010-03-23 10:10:00 +1100654 xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE,
655 &xfs_inode_item_ops);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656 iip->ili_format.ilf_type = XFS_LI_INODE;
657 iip->ili_format.ilf_ino = ip->i_ino;
Christoph Hellwig92bfc6e2008-11-28 14:23:41 +1100658 iip->ili_format.ilf_blkno = ip->i_imap.im_blkno;
659 iip->ili_format.ilf_len = ip->i_imap.im_len;
660 iip->ili_format.ilf_boffset = ip->i_imap.im_boffset;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661}
662
663/*
664 * Free the inode log item and any memory hanging off of it.
665 */
666void
667xfs_inode_item_destroy(
668 xfs_inode_t *ip)
669{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670 kmem_zone_free(xfs_ili_zone, ip->i_itemp);
671}
672
673
674/*
675 * This is the inode flushing I/O completion routine. It is called
676 * from interrupt level when the buffer containing the inode is
677 * flushed to disk. It is responsible for removing the inode item
678 * from the AIL if it has not been re-logged, and unlocking the inode's
679 * flush lock.
Dave Chinner30136832010-12-20 12:03:17 +1100680 *
681 * To reduce AIL lock traffic as much as possible, we scan the buffer log item
682 * list for other inodes that will run this function. We remove them from the
683 * buffer list so we can process all the inode IO completions in one AIL lock
684 * traversal.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700686void
687xfs_iflush_done(
Christoph Hellwigca30b2a2010-06-23 18:11:15 +1000688 struct xfs_buf *bp,
689 struct xfs_log_item *lip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690{
Dave Chinner30136832010-12-20 12:03:17 +1100691 struct xfs_inode_log_item *iip;
692 struct xfs_log_item *blip;
693 struct xfs_log_item *next;
694 struct xfs_log_item *prev;
Christoph Hellwigca30b2a2010-06-23 18:11:15 +1000695 struct xfs_ail *ailp = lip->li_ailp;
Dave Chinner30136832010-12-20 12:03:17 +1100696 int need_ail = 0;
697
698 /*
699 * Scan the buffer IO completions for other inodes being completed and
700 * attach them to the current inode log item.
701 */
Christoph Hellwigadadbee2011-07-13 13:43:49 +0200702 blip = bp->b_fspriv;
Dave Chinner30136832010-12-20 12:03:17 +1100703 prev = NULL;
704 while (blip != NULL) {
705 if (lip->li_cb != xfs_iflush_done) {
706 prev = blip;
707 blip = blip->li_bio_list;
708 continue;
709 }
710
711 /* remove from list */
712 next = blip->li_bio_list;
713 if (!prev) {
Christoph Hellwigadadbee2011-07-13 13:43:49 +0200714 bp->b_fspriv = next;
Dave Chinner30136832010-12-20 12:03:17 +1100715 } else {
716 prev->li_bio_list = next;
717 }
718
719 /* add to current list */
720 blip->li_bio_list = lip->li_bio_list;
721 lip->li_bio_list = blip;
722
723 /*
724 * while we have the item, do the unlocked check for needing
725 * the AIL lock.
726 */
727 iip = INODE_ITEM(blip);
728 if (iip->ili_logged && blip->li_lsn == iip->ili_flush_lsn)
729 need_ail++;
730
731 blip = next;
732 }
733
734 /* make sure we capture the state of the initial inode. */
735 iip = INODE_ITEM(lip);
736 if (iip->ili_logged && lip->li_lsn == iip->ili_flush_lsn)
737 need_ail++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700738
739 /*
740 * We only want to pull the item from the AIL if it is
741 * actually there and its location in the log has not
742 * changed since we started the flush. Thus, we only bother
743 * if the ili_logged flag is set and the inode's lsn has not
744 * changed. First we check the lsn outside
745 * the lock since it's cheaper, and then we recheck while
746 * holding the lock before removing the inode from the AIL.
747 */
Dave Chinner30136832010-12-20 12:03:17 +1100748 if (need_ail) {
749 struct xfs_log_item *log_items[need_ail];
750 int i = 0;
David Chinner783a2f62008-10-30 17:39:58 +1100751 spin_lock(&ailp->xa_lock);
Dave Chinner30136832010-12-20 12:03:17 +1100752 for (blip = lip; blip; blip = blip->li_bio_list) {
753 iip = INODE_ITEM(blip);
754 if (iip->ili_logged &&
755 blip->li_lsn == iip->ili_flush_lsn) {
756 log_items[i++] = blip;
757 }
758 ASSERT(i <= need_ail);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700759 }
Dave Chinner30136832010-12-20 12:03:17 +1100760 /* xfs_trans_ail_delete_bulk() drops the AIL lock. */
Dave Chinner04913fd2012-04-23 15:58:41 +1000761 xfs_trans_ail_delete_bulk(ailp, log_items, i,
762 SHUTDOWN_CORRUPT_INCORE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700763 }
764
Linus Torvalds1da177e2005-04-16 15:20:36 -0700765
766 /*
Dave Chinner30136832010-12-20 12:03:17 +1100767 * clean up and unlock the flush lock now we are done. We can clear the
768 * ili_last_fields bits now that we know that the data corresponding to
769 * them is safely on disk.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700770 */
Dave Chinner30136832010-12-20 12:03:17 +1100771 for (blip = lip; blip; blip = next) {
772 next = blip->li_bio_list;
773 blip->li_bio_list = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774
Dave Chinner30136832010-12-20 12:03:17 +1100775 iip = INODE_ITEM(blip);
776 iip->ili_logged = 0;
777 iip->ili_last_fields = 0;
778 xfs_ifunlock(iip->ili_inode);
779 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700780}
781
782/*
Dave Chinner04913fd2012-04-23 15:58:41 +1000783 * This is the inode flushing abort routine. It is called from xfs_iflush when
784 * the filesystem is shutting down to clean up the inode state. It is
785 * responsible for removing the inode item from the AIL if it has not been
786 * re-logged, and unlocking the inode's flush lock.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700787 */
788void
789xfs_iflush_abort(
Dave Chinner04913fd2012-04-23 15:58:41 +1000790 xfs_inode_t *ip,
791 bool stale)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700792{
David Chinner783a2f62008-10-30 17:39:58 +1100793 xfs_inode_log_item_t *iip = ip->i_itemp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700794
Linus Torvalds1da177e2005-04-16 15:20:36 -0700795 if (iip) {
David Chinner783a2f62008-10-30 17:39:58 +1100796 struct xfs_ail *ailp = iip->ili_item.li_ailp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700797 if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
David Chinner783a2f62008-10-30 17:39:58 +1100798 spin_lock(&ailp->xa_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700799 if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
David Chinner783a2f62008-10-30 17:39:58 +1100800 /* xfs_trans_ail_delete() drops the AIL lock. */
Dave Chinner04913fd2012-04-23 15:58:41 +1000801 xfs_trans_ail_delete(ailp, &iip->ili_item,
802 stale ?
803 SHUTDOWN_LOG_IO_ERROR :
804 SHUTDOWN_CORRUPT_INCORE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700805 } else
David Chinner783a2f62008-10-30 17:39:58 +1100806 spin_unlock(&ailp->xa_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700807 }
808 iip->ili_logged = 0;
809 /*
810 * Clear the ili_last_fields bits now that we know that the
811 * data corresponding to them is safely on disk.
812 */
813 iip->ili_last_fields = 0;
814 /*
815 * Clear the inode logging fields so no more flushes are
816 * attempted.
817 */
Christoph Hellwigf5d8d5c2012-02-29 09:53:54 +0000818 iip->ili_fields = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700819 }
820 /*
821 * Release the inode's flush lock since we're done with it.
822 */
823 xfs_ifunlock(ip);
824}
825
826void
827xfs_istale_done(
Christoph Hellwigca30b2a2010-06-23 18:11:15 +1000828 struct xfs_buf *bp,
829 struct xfs_log_item *lip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700830{
Dave Chinner04913fd2012-04-23 15:58:41 +1000831 xfs_iflush_abort(INODE_ITEM(lip)->ili_inode, true);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832}
Tim Shimmin6d192a92006-06-09 14:55:38 +1000833
834/*
835 * convert an xfs_inode_log_format struct from either 32 or 64 bit versions
836 * (which can have different field alignments) to the native version
837 */
838int
839xfs_inode_item_format_convert(
840 xfs_log_iovec_t *buf,
841 xfs_inode_log_format_t *in_f)
842{
843 if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) {
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000844 xfs_inode_log_format_32_t *in_f32 = buf->i_addr;
Tim Shimmin6d192a92006-06-09 14:55:38 +1000845
Tim Shimmin6d192a92006-06-09 14:55:38 +1000846 in_f->ilf_type = in_f32->ilf_type;
847 in_f->ilf_size = in_f32->ilf_size;
848 in_f->ilf_fields = in_f32->ilf_fields;
849 in_f->ilf_asize = in_f32->ilf_asize;
850 in_f->ilf_dsize = in_f32->ilf_dsize;
851 in_f->ilf_ino = in_f32->ilf_ino;
852 /* copy biggest field of ilf_u */
853 memcpy(in_f->ilf_u.ilfu_uuid.__u_bits,
854 in_f32->ilf_u.ilfu_uuid.__u_bits,
855 sizeof(uuid_t));
856 in_f->ilf_blkno = in_f32->ilf_blkno;
857 in_f->ilf_len = in_f32->ilf_len;
858 in_f->ilf_boffset = in_f32->ilf_boffset;
859 return 0;
860 } else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){
Christoph Hellwig4e0d5f92010-06-23 18:11:15 +1000861 xfs_inode_log_format_64_t *in_f64 = buf->i_addr;
Tim Shimmin6d192a92006-06-09 14:55:38 +1000862
Tim Shimmin6d192a92006-06-09 14:55:38 +1000863 in_f->ilf_type = in_f64->ilf_type;
864 in_f->ilf_size = in_f64->ilf_size;
865 in_f->ilf_fields = in_f64->ilf_fields;
866 in_f->ilf_asize = in_f64->ilf_asize;
867 in_f->ilf_dsize = in_f64->ilf_dsize;
868 in_f->ilf_ino = in_f64->ilf_ino;
869 /* copy biggest field of ilf_u */
870 memcpy(in_f->ilf_u.ilfu_uuid.__u_bits,
871 in_f64->ilf_u.ilfu_uuid.__u_bits,
872 sizeof(uuid_t));
873 in_f->ilf_blkno = in_f64->ilf_blkno;
874 in_f->ilf_len = in_f64->ilf_len;
875 in_f->ilf_boffset = in_f64->ilf_boffset;
876 return 0;
877 }
878 return EFSCORRUPTED;
879}