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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2002,2005 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 LT |
17 | */ |
18 | #ifndef __XFS_TRANS_H__ | |
19 | #define __XFS_TRANS_H__ | |
20 | ||
847fff5c BN |
21 | struct xfs_log_item; |
22 | ||
1da177e4 LT |
23 | /* |
24 | * This is the structure written in the log at the head of | |
25 | * every transaction. It identifies the type and id of the | |
26 | * transaction, and contains the number of items logged by | |
27 | * the transaction so we know how many to expect during recovery. | |
28 | * | |
29 | * Do not change the below structure without redoing the code in | |
30 | * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans(). | |
31 | */ | |
32 | typedef struct xfs_trans_header { | |
33 | uint th_magic; /* magic number */ | |
34 | uint th_type; /* transaction type */ | |
35 | __int32_t th_tid; /* transaction id (unused) */ | |
36 | uint th_num_items; /* num items logged by trans */ | |
37 | } xfs_trans_header_t; | |
38 | ||
39 | #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */ | |
40 | ||
41 | /* | |
42 | * Log item types. | |
43 | */ | |
1da177e4 LT |
44 | #define XFS_LI_EFI 0x1236 |
45 | #define XFS_LI_EFD 0x1237 | |
46 | #define XFS_LI_IUNLINK 0x1238 | |
1da177e4 LT |
47 | #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */ |
48 | #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */ | |
49 | #define XFS_LI_DQUOT 0x123d | |
50 | #define XFS_LI_QUOTAOFF 0x123e | |
51 | ||
9abbc539 DC |
52 | #define XFS_LI_TYPE_DESC \ |
53 | { XFS_LI_EFI, "XFS_LI_EFI" }, \ | |
54 | { XFS_LI_EFD, "XFS_LI_EFD" }, \ | |
55 | { XFS_LI_IUNLINK, "XFS_LI_IUNLINK" }, \ | |
56 | { XFS_LI_INODE, "XFS_LI_INODE" }, \ | |
57 | { XFS_LI_BUF, "XFS_LI_BUF" }, \ | |
58 | { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \ | |
59 | { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" } | |
60 | ||
1da177e4 LT |
61 | /* |
62 | * Transaction types. Used to distinguish types of buffers. | |
63 | */ | |
64 | #define XFS_TRANS_SETATTR_NOT_SIZE 1 | |
65 | #define XFS_TRANS_SETATTR_SIZE 2 | |
66 | #define XFS_TRANS_INACTIVE 3 | |
67 | #define XFS_TRANS_CREATE 4 | |
68 | #define XFS_TRANS_CREATE_TRUNC 5 | |
69 | #define XFS_TRANS_TRUNCATE_FILE 6 | |
70 | #define XFS_TRANS_REMOVE 7 | |
71 | #define XFS_TRANS_LINK 8 | |
72 | #define XFS_TRANS_RENAME 9 | |
73 | #define XFS_TRANS_MKDIR 10 | |
74 | #define XFS_TRANS_RMDIR 11 | |
75 | #define XFS_TRANS_SYMLINK 12 | |
76 | #define XFS_TRANS_SET_DMATTRS 13 | |
77 | #define XFS_TRANS_GROWFS 14 | |
78 | #define XFS_TRANS_STRAT_WRITE 15 | |
79 | #define XFS_TRANS_DIOSTRAT 16 | |
13e6d5cd | 80 | /* 17 was XFS_TRANS_WRITE_SYNC */ |
1da177e4 LT |
81 | #define XFS_TRANS_WRITEID 18 |
82 | #define XFS_TRANS_ADDAFORK 19 | |
83 | #define XFS_TRANS_ATTRINVAL 20 | |
84 | #define XFS_TRANS_ATRUNCATE 21 | |
85 | #define XFS_TRANS_ATTR_SET 22 | |
86 | #define XFS_TRANS_ATTR_RM 23 | |
87 | #define XFS_TRANS_ATTR_FLAG 24 | |
88 | #define XFS_TRANS_CLEAR_AGI_BUCKET 25 | |
89 | #define XFS_TRANS_QM_SBCHANGE 26 | |
90 | /* | |
91 | * Dummy entries since we use the transaction type to index into the | |
92 | * trans_type[] in xlog_recover_print_trans_head() | |
93 | */ | |
94 | #define XFS_TRANS_DUMMY1 27 | |
95 | #define XFS_TRANS_DUMMY2 28 | |
96 | #define XFS_TRANS_QM_QUOTAOFF 29 | |
97 | #define XFS_TRANS_QM_DQALLOC 30 | |
98 | #define XFS_TRANS_QM_SETQLIM 31 | |
99 | #define XFS_TRANS_QM_DQCLUSTER 32 | |
100 | #define XFS_TRANS_QM_QINOCREATE 33 | |
101 | #define XFS_TRANS_QM_QUOTAOFF_END 34 | |
102 | #define XFS_TRANS_SB_UNIT 35 | |
103 | #define XFS_TRANS_FSYNC_TS 36 | |
104 | #define XFS_TRANS_GROWFSRT_ALLOC 37 | |
105 | #define XFS_TRANS_GROWFSRT_ZERO 38 | |
106 | #define XFS_TRANS_GROWFSRT_FREE 39 | |
107 | #define XFS_TRANS_SWAPEXT 40 | |
92821e2b | 108 | #define XFS_TRANS_SB_COUNT 41 |
71e330b5 DC |
109 | #define XFS_TRANS_CHECKPOINT 42 |
110 | #define XFS_TRANS_TYPE_MAX 42 | |
1da177e4 LT |
111 | /* new transaction types need to be reflected in xfs_logprint(8) */ |
112 | ||
0b1b213f CH |
113 | #define XFS_TRANS_TYPES \ |
114 | { XFS_TRANS_SETATTR_NOT_SIZE, "SETATTR_NOT_SIZE" }, \ | |
115 | { XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \ | |
116 | { XFS_TRANS_INACTIVE, "INACTIVE" }, \ | |
117 | { XFS_TRANS_CREATE, "CREATE" }, \ | |
118 | { XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \ | |
119 | { XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \ | |
120 | { XFS_TRANS_REMOVE, "REMOVE" }, \ | |
121 | { XFS_TRANS_LINK, "LINK" }, \ | |
122 | { XFS_TRANS_RENAME, "RENAME" }, \ | |
123 | { XFS_TRANS_MKDIR, "MKDIR" }, \ | |
124 | { XFS_TRANS_RMDIR, "RMDIR" }, \ | |
125 | { XFS_TRANS_SYMLINK, "SYMLINK" }, \ | |
126 | { XFS_TRANS_SET_DMATTRS, "SET_DMATTRS" }, \ | |
127 | { XFS_TRANS_GROWFS, "GROWFS" }, \ | |
128 | { XFS_TRANS_STRAT_WRITE, "STRAT_WRITE" }, \ | |
129 | { XFS_TRANS_DIOSTRAT, "DIOSTRAT" }, \ | |
130 | { XFS_TRANS_WRITEID, "WRITEID" }, \ | |
131 | { XFS_TRANS_ADDAFORK, "ADDAFORK" }, \ | |
132 | { XFS_TRANS_ATTRINVAL, "ATTRINVAL" }, \ | |
133 | { XFS_TRANS_ATRUNCATE, "ATRUNCATE" }, \ | |
134 | { XFS_TRANS_ATTR_SET, "ATTR_SET" }, \ | |
135 | { XFS_TRANS_ATTR_RM, "ATTR_RM" }, \ | |
136 | { XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \ | |
137 | { XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \ | |
138 | { XFS_TRANS_QM_SBCHANGE, "QM_SBCHANGE" }, \ | |
139 | { XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \ | |
140 | { XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \ | |
141 | { XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \ | |
142 | { XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \ | |
143 | { XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \ | |
144 | { XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \ | |
145 | { XFS_TRANS_SB_UNIT, "SB_UNIT" }, \ | |
146 | { XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \ | |
147 | { XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \ | |
148 | { XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \ | |
149 | { XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \ | |
150 | { XFS_TRANS_SWAPEXT, "SWAPEXT" }, \ | |
151 | { XFS_TRANS_SB_COUNT, "SB_COUNT" }, \ | |
71e330b5 | 152 | { XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \ |
0b1b213f CH |
153 | { XFS_TRANS_DUMMY1, "DUMMY1" }, \ |
154 | { XFS_TRANS_DUMMY2, "DUMMY2" }, \ | |
155 | { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" } | |
156 | ||
1da177e4 LT |
157 | /* |
158 | * This structure is used to track log items associated with | |
159 | * a transaction. It points to the log item and keeps some | |
160 | * flags to track the state of the log item. It also tracks | |
161 | * the amount of space needed to log the item it describes | |
162 | * once we get to commit processing (see xfs_trans_commit()). | |
163 | */ | |
164 | typedef struct xfs_log_item_desc { | |
847fff5c | 165 | struct xfs_log_item *lid_item; |
1da177e4 LT |
166 | ushort lid_size; |
167 | unsigned char lid_flags; | |
168 | unsigned char lid_index; | |
169 | } xfs_log_item_desc_t; | |
170 | ||
171 | #define XFS_LID_DIRTY 0x1 | |
172 | #define XFS_LID_PINNED 0x2 | |
1da177e4 LT |
173 | |
174 | /* | |
175 | * This structure is used to maintain a chunk list of log_item_desc | |
176 | * structures. The free field is a bitmask indicating which descriptors | |
177 | * in this chunk's array are free. The unused field is the first value | |
178 | * not used since this chunk was allocated. | |
179 | */ | |
180 | #define XFS_LIC_NUM_SLOTS 15 | |
181 | typedef struct xfs_log_item_chunk { | |
182 | struct xfs_log_item_chunk *lic_next; | |
183 | ushort lic_free; | |
184 | ushort lic_unused; | |
185 | xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS]; | |
186 | } xfs_log_item_chunk_t; | |
187 | ||
188 | #define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1) | |
189 | #define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1) | |
190 | ||
191 | ||
192 | /* | |
193 | * Initialize the given chunk. Set the chunk's free descriptor mask | |
194 | * to indicate that all descriptors are free. The caller gets to set | |
195 | * lic_unused to the right value (0 matches all free). The | |
196 | * lic_descs.lid_index values are set up as each desc is allocated. | |
197 | */ | |
a844f451 NS |
198 | static inline void xfs_lic_init(xfs_log_item_chunk_t *cp) |
199 | { | |
200 | cp->lic_free = XFS_LIC_FREEMASK; | |
201 | } | |
202 | ||
a844f451 NS |
203 | static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot) |
204 | { | |
205 | cp->lic_descs[slot].lid_index = (unsigned char)(slot); | |
206 | } | |
207 | ||
a844f451 NS |
208 | static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp) |
209 | { | |
210 | return cp->lic_free & XFS_LIC_FREEMASK; | |
211 | } | |
212 | ||
a844f451 NS |
213 | static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp) |
214 | { | |
215 | cp->lic_free = XFS_LIC_FREEMASK; | |
216 | } | |
217 | ||
a844f451 NS |
218 | static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp) |
219 | { | |
220 | return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK); | |
221 | } | |
222 | ||
a844f451 NS |
223 | static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot) |
224 | { | |
225 | return (cp->lic_free & (1 << slot)); | |
226 | } | |
227 | ||
a844f451 NS |
228 | static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot) |
229 | { | |
230 | cp->lic_free &= ~(1 << slot); | |
231 | } | |
232 | ||
a844f451 NS |
233 | static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot) |
234 | { | |
235 | cp->lic_free |= 1 << slot; | |
236 | } | |
237 | ||
a844f451 NS |
238 | static inline xfs_log_item_desc_t * |
239 | xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot) | |
240 | { | |
241 | return &(cp->lic_descs[slot]); | |
242 | } | |
243 | ||
a844f451 NS |
244 | static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp) |
245 | { | |
246 | return (uint)dp->lid_index; | |
247 | } | |
248 | ||
1da177e4 LT |
249 | /* |
250 | * Calculate the address of a chunk given a descriptor pointer: | |
251 | * dp - dp->lid_index give the address of the start of the lic_descs array. | |
252 | * From this we subtract the offset of the lic_descs field in a chunk. | |
253 | * All of this yields the address of the chunk, which is | |
254 | * cast to a chunk pointer. | |
255 | */ | |
a844f451 NS |
256 | static inline xfs_log_item_chunk_t * |
257 | xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) | |
258 | { | |
259 | return (xfs_log_item_chunk_t*) \ | |
260 | (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \ | |
261 | (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs)); | |
262 | } | |
1da177e4 | 263 | |
1da177e4 LT |
264 | #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */ |
265 | /* | |
266 | * Values for t_flags. | |
267 | */ | |
268 | #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */ | |
269 | #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */ | |
270 | #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */ | |
271 | #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ | |
272 | #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ | |
273 | #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ | |
274 | ||
275 | /* | |
276 | * Values for call flags parameter. | |
277 | */ | |
278 | #define XFS_TRANS_NOSLEEP 0x1 | |
279 | #define XFS_TRANS_WAIT 0x2 | |
280 | #define XFS_TRANS_RELEASE_LOG_RES 0x4 | |
281 | #define XFS_TRANS_ABORT 0x8 | |
282 | ||
283 | /* | |
284 | * Field values for xfs_trans_mod_sb. | |
285 | */ | |
286 | #define XFS_TRANS_SB_ICOUNT 0x00000001 | |
287 | #define XFS_TRANS_SB_IFREE 0x00000002 | |
288 | #define XFS_TRANS_SB_FDBLOCKS 0x00000004 | |
289 | #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008 | |
290 | #define XFS_TRANS_SB_FREXTENTS 0x00000010 | |
291 | #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020 | |
292 | #define XFS_TRANS_SB_DBLOCKS 0x00000040 | |
293 | #define XFS_TRANS_SB_AGCOUNT 0x00000080 | |
294 | #define XFS_TRANS_SB_IMAXPCT 0x00000100 | |
295 | #define XFS_TRANS_SB_REXTSIZE 0x00000200 | |
296 | #define XFS_TRANS_SB_RBMBLOCKS 0x00000400 | |
297 | #define XFS_TRANS_SB_RBLOCKS 0x00000800 | |
298 | #define XFS_TRANS_SB_REXTENTS 0x00001000 | |
299 | #define XFS_TRANS_SB_REXTSLOG 0x00002000 | |
300 | ||
301 | ||
302 | /* | |
303 | * Various log reservation values. | |
304 | * These are based on the size of the file system block | |
305 | * because that is what most transactions manipulate. | |
306 | * Each adds in an additional 128 bytes per item logged to | |
307 | * try to account for the overhead of the transaction mechanism. | |
308 | * | |
309 | * Note: | |
310 | * Most of the reservations underestimate the number of allocation | |
311 | * groups into which they could free extents in the xfs_bmap_finish() | |
312 | * call. This is because the number in the worst case is quite high | |
313 | * and quite unusual. In order to fix this we need to change | |
314 | * xfs_bmap_finish() to free extents in only a single AG at a time. | |
315 | * This will require changes to the EFI code as well, however, so that | |
316 | * the EFI for the extents not freed is logged again in each transaction. | |
317 | * See bug 261917. | |
318 | */ | |
319 | ||
320 | /* | |
321 | * Per-extent log reservation for the allocation btree changes | |
322 | * involved in freeing or allocating an extent. | |
323 | * 2 trees * (2 blocks/level * max depth - 1) * block size | |
324 | */ | |
325 | #define XFS_ALLOCFREE_LOG_RES(mp,nx) \ | |
326 | ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1))) | |
327 | #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ | |
328 | ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1))) | |
329 | ||
330 | /* | |
331 | * Per-directory log reservation for any directory change. | |
332 | * dir blocks: (1 btree block per level + data block + free block) * dblock size | |
333 | * bmap btree: (levels + 2) * max depth * block size | |
334 | * v2 directory blocks can be fragmented below the dirblksize down to the fsb | |
335 | * size, so account for that in the DAENTER macros. | |
336 | */ | |
337 | #define XFS_DIROP_LOG_RES(mp) \ | |
338 | (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ | |
339 | (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) | |
340 | #define XFS_DIROP_LOG_COUNT(mp) \ | |
341 | (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ | |
342 | XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) | |
343 | ||
344 | /* | |
345 | * In a write transaction we can allocate a maximum of 2 | |
346 | * extents. This gives: | |
347 | * the inode getting the new extents: inode size | |
9da096fd | 348 | * the inode's bmap btree: max depth * block size |
1da177e4 LT |
349 | * the agfs of the ags from which the extents are allocated: 2 * sector |
350 | * the superblock free block counter: sector size | |
351 | * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size | |
352 | * And the bmap_finish transaction can free bmap blocks in a join: | |
353 | * the agfs of the ags containing the blocks: 2 * sector size | |
354 | * the agfls of the ags containing the blocks: 2 * sector size | |
355 | * the super block free block counter: sector size | |
356 | * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size | |
357 | */ | |
358 | #define XFS_CALC_WRITE_LOG_RES(mp) \ | |
359 | (MAX( \ | |
360 | ((mp)->m_sb.sb_inodesize + \ | |
361 | XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ | |
362 | (2 * (mp)->m_sb.sb_sectsize) + \ | |
363 | (mp)->m_sb.sb_sectsize + \ | |
364 | XFS_ALLOCFREE_LOG_RES(mp, 2) + \ | |
365 | (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\ | |
366 | ((2 * (mp)->m_sb.sb_sectsize) + \ | |
367 | (2 * (mp)->m_sb.sb_sectsize) + \ | |
368 | (mp)->m_sb.sb_sectsize + \ | |
369 | XFS_ALLOCFREE_LOG_RES(mp, 2) + \ | |
370 | (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) | |
371 | ||
372 | #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write) | |
373 | ||
374 | /* | |
375 | * In truncating a file we free up to two extents at once. We can modify: | |
376 | * the inode being truncated: inode size | |
9da096fd | 377 | * the inode's bmap btree: (max depth + 1) * block size |
1da177e4 LT |
378 | * And the bmap_finish transaction can free the blocks and bmap blocks: |
379 | * the agf for each of the ags: 4 * sector size | |
380 | * the agfl for each of the ags: 4 * sector size | |
381 | * the super block to reflect the freed blocks: sector size | |
382 | * worst case split in allocation btrees per extent assuming 4 extents: | |
383 | * 4 exts * 2 trees * (2 * max depth - 1) * block size | |
384 | * the inode btree: max depth * blocksize | |
385 | * the allocation btrees: 2 trees * (max depth - 1) * block size | |
386 | */ | |
387 | #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \ | |
388 | (MAX( \ | |
389 | ((mp)->m_sb.sb_inodesize + \ | |
390 | XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \ | |
391 | (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ | |
392 | ((4 * (mp)->m_sb.sb_sectsize) + \ | |
393 | (4 * (mp)->m_sb.sb_sectsize) + \ | |
394 | (mp)->m_sb.sb_sectsize + \ | |
395 | XFS_ALLOCFREE_LOG_RES(mp, 4) + \ | |
396 | (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ | |
397 | (128 * 5) + \ | |
398 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ | |
0d87e656 | 399 | (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ |
1da177e4 LT |
400 | XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) |
401 | ||
402 | #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) | |
403 | ||
404 | /* | |
405 | * In renaming a files we can modify: | |
406 | * the four inodes involved: 4 * inode size | |
407 | * the two directory btrees: 2 * (max depth + v2) * dir block size | |
408 | * the two directory bmap btrees: 2 * max depth * block size | |
409 | * And the bmap_finish transaction can free dir and bmap blocks (two sets | |
410 | * of bmap blocks) giving: | |
411 | * the agf for the ags in which the blocks live: 3 * sector size | |
412 | * the agfl for the ags in which the blocks live: 3 * sector size | |
413 | * the superblock for the free block count: sector size | |
414 | * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size | |
415 | */ | |
416 | #define XFS_CALC_RENAME_LOG_RES(mp) \ | |
417 | (MAX( \ | |
418 | ((4 * (mp)->m_sb.sb_inodesize) + \ | |
419 | (2 * XFS_DIROP_LOG_RES(mp)) + \ | |
420 | (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \ | |
421 | ((3 * (mp)->m_sb.sb_sectsize) + \ | |
422 | (3 * (mp)->m_sb.sb_sectsize) + \ | |
423 | (mp)->m_sb.sb_sectsize + \ | |
424 | XFS_ALLOCFREE_LOG_RES(mp, 3) + \ | |
425 | (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3)))))) | |
426 | ||
427 | #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename) | |
428 | ||
429 | /* | |
430 | * For creating a link to an inode: | |
431 | * the parent directory inode: inode size | |
432 | * the linked inode: inode size | |
433 | * the directory btree could split: (max depth + v2) * dir block size | |
434 | * the directory bmap btree could join or split: (max depth + v2) * blocksize | |
435 | * And the bmap_finish transaction can free some bmap blocks giving: | |
436 | * the agf for the ag in which the blocks live: sector size | |
437 | * the agfl for the ag in which the blocks live: sector size | |
438 | * the superblock for the free block count: sector size | |
439 | * the allocation btrees: 2 trees * (2 * max depth - 1) * block size | |
440 | */ | |
441 | #define XFS_CALC_LINK_LOG_RES(mp) \ | |
442 | (MAX( \ | |
443 | ((mp)->m_sb.sb_inodesize + \ | |
444 | (mp)->m_sb.sb_inodesize + \ | |
445 | XFS_DIROP_LOG_RES(mp) + \ | |
446 | (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ | |
447 | ((mp)->m_sb.sb_sectsize + \ | |
448 | (mp)->m_sb.sb_sectsize + \ | |
449 | (mp)->m_sb.sb_sectsize + \ | |
450 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ | |
451 | (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) | |
452 | ||
453 | #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link) | |
454 | ||
455 | /* | |
456 | * For removing a directory entry we can modify: | |
457 | * the parent directory inode: inode size | |
458 | * the removed inode: inode size | |
459 | * the directory btree could join: (max depth + v2) * dir block size | |
460 | * the directory bmap btree could join or split: (max depth + v2) * blocksize | |
461 | * And the bmap_finish transaction can free the dir and bmap blocks giving: | |
462 | * the agf for the ag in which the blocks live: 2 * sector size | |
463 | * the agfl for the ag in which the blocks live: 2 * sector size | |
464 | * the superblock for the free block count: sector size | |
465 | * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size | |
466 | */ | |
467 | #define XFS_CALC_REMOVE_LOG_RES(mp) \ | |
468 | (MAX( \ | |
469 | ((mp)->m_sb.sb_inodesize + \ | |
470 | (mp)->m_sb.sb_inodesize + \ | |
471 | XFS_DIROP_LOG_RES(mp) + \ | |
472 | (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \ | |
473 | ((2 * (mp)->m_sb.sb_sectsize) + \ | |
474 | (2 * (mp)->m_sb.sb_sectsize) + \ | |
475 | (mp)->m_sb.sb_sectsize + \ | |
476 | XFS_ALLOCFREE_LOG_RES(mp, 2) + \ | |
477 | (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) | |
478 | ||
479 | #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove) | |
480 | ||
481 | /* | |
482 | * For symlink we can modify: | |
483 | * the parent directory inode: inode size | |
484 | * the new inode: inode size | |
485 | * the inode btree entry: 1 block | |
486 | * the directory btree: (max depth + v2) * dir block size | |
9da096fd MP |
487 | * the directory inode's bmap btree: (max depth + v2) * block size |
488 | * the blocks for the symlink: 1 kB | |
1da177e4 LT |
489 | * Or in the first xact we allocate some inodes giving: |
490 | * the agi and agf of the ag getting the new inodes: 2 * sectorsize | |
491 | * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize | |
492 | * the inode btree: max depth * blocksize | |
493 | * the allocation btrees: 2 trees * (2 * max depth - 1) * block size | |
494 | */ | |
495 | #define XFS_CALC_SYMLINK_LOG_RES(mp) \ | |
496 | (MAX( \ | |
497 | ((mp)->m_sb.sb_inodesize + \ | |
498 | (mp)->m_sb.sb_inodesize + \ | |
499 | XFS_FSB_TO_B(mp, 1) + \ | |
500 | XFS_DIROP_LOG_RES(mp) + \ | |
501 | 1024 + \ | |
502 | (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ | |
503 | (2 * (mp)->m_sb.sb_sectsize + \ | |
504 | XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ | |
0d87e656 | 505 | XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ |
1da177e4 | 506 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ |
0d87e656 | 507 | (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ |
1da177e4 LT |
508 | XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) |
509 | ||
510 | #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) | |
511 | ||
512 | /* | |
513 | * For create we can modify: | |
514 | * the parent directory inode: inode size | |
515 | * the new inode: inode size | |
516 | * the inode btree entry: block size | |
517 | * the superblock for the nlink flag: sector size | |
518 | * the directory btree: (max depth + v2) * dir block size | |
9da096fd | 519 | * the directory inode's bmap btree: (max depth + v2) * block size |
1da177e4 LT |
520 | * Or in the first xact we allocate some inodes giving: |
521 | * the agi and agf of the ag getting the new inodes: 2 * sectorsize | |
522 | * the superblock for the nlink flag: sector size | |
523 | * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize | |
524 | * the inode btree: max depth * blocksize | |
525 | * the allocation btrees: 2 trees * (max depth - 1) * block size | |
526 | */ | |
527 | #define XFS_CALC_CREATE_LOG_RES(mp) \ | |
528 | (MAX( \ | |
529 | ((mp)->m_sb.sb_inodesize + \ | |
530 | (mp)->m_sb.sb_inodesize + \ | |
531 | (mp)->m_sb.sb_sectsize + \ | |
532 | XFS_FSB_TO_B(mp, 1) + \ | |
533 | XFS_DIROP_LOG_RES(mp) + \ | |
534 | (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ | |
535 | (3 * (mp)->m_sb.sb_sectsize + \ | |
536 | XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ | |
0d87e656 | 537 | XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ |
1da177e4 | 538 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ |
0d87e656 | 539 | (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ |
1da177e4 LT |
540 | XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) |
541 | ||
542 | #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) | |
543 | ||
544 | /* | |
545 | * Making a new directory is the same as creating a new file. | |
546 | */ | |
547 | #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp) | |
548 | ||
549 | #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir) | |
550 | ||
551 | /* | |
552 | * In freeing an inode we can modify: | |
553 | * the inode being freed: inode size | |
554 | * the super block free inode counter: sector size | |
555 | * the agi hash list and counters: sector size | |
556 | * the inode btree entry: block size | |
557 | * the on disk inode before ours in the agi hash list: inode cluster size | |
558 | * the inode btree: max depth * blocksize | |
559 | * the allocation btrees: 2 trees * (max depth - 1) * block size | |
560 | */ | |
561 | #define XFS_CALC_IFREE_LOG_RES(mp) \ | |
562 | ((mp)->m_sb.sb_inodesize + \ | |
563 | (mp)->m_sb.sb_sectsize + \ | |
564 | (mp)->m_sb.sb_sectsize + \ | |
565 | XFS_FSB_TO_B((mp), 1) + \ | |
566 | MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ | |
567 | (128 * 5) + \ | |
568 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ | |
0d87e656 | 569 | (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ |
1da177e4 LT |
570 | XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) |
571 | ||
572 | ||
573 | #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree) | |
574 | ||
575 | /* | |
576 | * When only changing the inode we log the inode and possibly the superblock | |
577 | * We also add a bit of slop for the transaction stuff. | |
578 | */ | |
579 | #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \ | |
580 | (mp)->m_sb.sb_sectsize + 512) | |
581 | ||
582 | #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange) | |
583 | ||
584 | /* | |
585 | * Growing the data section of the filesystem. | |
586 | * superblock | |
587 | * agi and agf | |
588 | * allocation btrees | |
589 | */ | |
590 | #define XFS_CALC_GROWDATA_LOG_RES(mp) \ | |
591 | ((mp)->m_sb.sb_sectsize * 3 + \ | |
592 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ | |
593 | (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) | |
594 | ||
595 | #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata) | |
596 | ||
597 | /* | |
598 | * Growing the rt section of the filesystem. | |
599 | * In the first set of transactions (ALLOC) we allocate space to the | |
600 | * bitmap or summary files. | |
601 | * superblock: sector size | |
602 | * agf of the ag from which the extent is allocated: sector size | |
603 | * bmap btree for bitmap/summary inode: max depth * blocksize | |
604 | * bitmap/summary inode: inode size | |
605 | * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize | |
606 | */ | |
607 | #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \ | |
608 | (2 * (mp)->m_sb.sb_sectsize + \ | |
609 | XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \ | |
610 | (mp)->m_sb.sb_inodesize + \ | |
611 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ | |
612 | (128 * \ | |
613 | (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \ | |
614 | XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) | |
615 | ||
616 | #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc) | |
617 | ||
618 | /* | |
619 | * Growing the rt section of the filesystem. | |
620 | * In the second set of transactions (ZERO) we zero the new metadata blocks. | |
621 | * one bitmap/summary block: blocksize | |
622 | */ | |
623 | #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \ | |
624 | ((mp)->m_sb.sb_blocksize + 128) | |
625 | ||
626 | #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero) | |
627 | ||
628 | /* | |
629 | * Growing the rt section of the filesystem. | |
630 | * In the third set of transactions (FREE) we update metadata without | |
631 | * allocating any new blocks. | |
632 | * superblock: sector size | |
633 | * bitmap inode: inode size | |
634 | * summary inode: inode size | |
635 | * one bitmap block: blocksize | |
636 | * summary blocks: new summary size | |
637 | */ | |
638 | #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \ | |
639 | ((mp)->m_sb.sb_sectsize + \ | |
640 | 2 * (mp)->m_sb.sb_inodesize + \ | |
641 | (mp)->m_sb.sb_blocksize + \ | |
642 | (mp)->m_rsumsize + \ | |
643 | (128 * 5)) | |
644 | ||
645 | #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree) | |
646 | ||
647 | /* | |
648 | * Logging the inode modification timestamp on a synchronous write. | |
649 | * inode | |
650 | */ | |
651 | #define XFS_CALC_SWRITE_LOG_RES(mp) \ | |
652 | ((mp)->m_sb.sb_inodesize + 128) | |
653 | ||
654 | #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) | |
655 | ||
656 | /* | |
657 | * Logging the inode timestamps on an fsync -- same as SWRITE | |
658 | * as long as SWRITE logs the entire inode core | |
659 | */ | |
660 | #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) | |
661 | ||
662 | /* | |
663 | * Logging the inode mode bits when writing a setuid/setgid file | |
664 | * inode | |
665 | */ | |
666 | #define XFS_CALC_WRITEID_LOG_RES(mp) \ | |
667 | ((mp)->m_sb.sb_inodesize + 128) | |
668 | ||
669 | #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite) | |
670 | ||
671 | /* | |
672 | * Converting the inode from non-attributed to attributed. | |
673 | * the inode being converted: inode size | |
674 | * agf block and superblock (for block allocation) | |
675 | * the new block (directory sized) | |
676 | * bmap blocks for the new directory block | |
677 | * allocation btrees | |
678 | */ | |
679 | #define XFS_CALC_ADDAFORK_LOG_RES(mp) \ | |
680 | ((mp)->m_sb.sb_inodesize + \ | |
681 | (mp)->m_sb.sb_sectsize * 2 + \ | |
682 | (mp)->m_dirblksize + \ | |
f6c2d1fa | 683 | XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \ |
1da177e4 | 684 | XFS_ALLOCFREE_LOG_RES(mp, 1) + \ |
f6c2d1fa | 685 | (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \ |
1da177e4 LT |
686 | XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) |
687 | ||
688 | #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork) | |
689 | ||
690 | /* | |
691 | * Removing the attribute fork of a file | |
692 | * the inode being truncated: inode size | |
9da096fd | 693 | * the inode's bmap btree: max depth * block size |
1da177e4 LT |
694 | * And the bmap_finish transaction can free the blocks and bmap blocks: |
695 | * the agf for each of the ags: 4 * sector size | |
696 | * the agfl for each of the ags: 4 * sector size | |
697 | * the super block to reflect the freed blocks: sector size | |
698 | * worst case split in allocation btrees per extent assuming 4 extents: | |
699 | * 4 exts * 2 trees * (2 * max depth - 1) * block size | |
700 | */ | |
701 | #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \ | |
702 | (MAX( \ | |
703 | ((mp)->m_sb.sb_inodesize + \ | |
704 | XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ | |
705 | (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \ | |
706 | ((4 * (mp)->m_sb.sb_sectsize) + \ | |
707 | (4 * (mp)->m_sb.sb_sectsize) + \ | |
708 | (mp)->m_sb.sb_sectsize + \ | |
709 | XFS_ALLOCFREE_LOG_RES(mp, 4) + \ | |
710 | (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4)))))) | |
711 | ||
712 | #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval) | |
713 | ||
714 | /* | |
715 | * Setting an attribute. | |
716 | * the inode getting the attribute | |
717 | * the superblock for allocations | |
718 | * the agfs extents are allocated from | |
719 | * the attribute btree * max depth | |
720 | * the inode allocation btree | |
721 | * Since attribute transaction space is dependent on the size of the attribute, | |
722 | * the calculation is done partially at mount time and partially at runtime. | |
723 | */ | |
724 | #define XFS_CALC_ATTRSET_LOG_RES(mp) \ | |
725 | ((mp)->m_sb.sb_inodesize + \ | |
726 | (mp)->m_sb.sb_sectsize + \ | |
727 | XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ | |
728 | (128 * (2 + XFS_DA_NODE_MAXDEPTH))) | |
729 | ||
730 | #define XFS_ATTRSET_LOG_RES(mp, ext) \ | |
731 | ((mp)->m_reservations.tr_attrset + \ | |
732 | (ext * (mp)->m_sb.sb_sectsize) + \ | |
733 | (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \ | |
734 | (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))))) | |
735 | ||
736 | /* | |
737 | * Removing an attribute. | |
738 | * the inode: inode size | |
739 | * the attribute btree could join: max depth * block size | |
740 | * the inode bmap btree could join or split: max depth * block size | |
741 | * And the bmap_finish transaction can free the attr blocks freed giving: | |
742 | * the agf for the ag in which the blocks live: 2 * sector size | |
743 | * the agfl for the ag in which the blocks live: 2 * sector size | |
744 | * the superblock for the free block count: sector size | |
745 | * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size | |
746 | */ | |
747 | #define XFS_CALC_ATTRRM_LOG_RES(mp) \ | |
748 | (MAX( \ | |
749 | ((mp)->m_sb.sb_inodesize + \ | |
750 | XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \ | |
751 | XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \ | |
752 | (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \ | |
753 | ((2 * (mp)->m_sb.sb_sectsize) + \ | |
754 | (2 * (mp)->m_sb.sb_sectsize) + \ | |
755 | (mp)->m_sb.sb_sectsize + \ | |
756 | XFS_ALLOCFREE_LOG_RES(mp, 2) + \ | |
757 | (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))))) | |
758 | ||
759 | #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) | |
760 | ||
761 | /* | |
762 | * Clearing a bad agino number in an agi hash bucket. | |
763 | */ | |
764 | #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \ | |
765 | ((mp)->m_sb.sb_sectsize + 128) | |
766 | ||
767 | #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) | |
768 | ||
769 | ||
770 | /* | |
771 | * Various log count values. | |
772 | */ | |
773 | #define XFS_DEFAULT_LOG_COUNT 1 | |
774 | #define XFS_DEFAULT_PERM_LOG_COUNT 2 | |
775 | #define XFS_ITRUNCATE_LOG_COUNT 2 | |
776 | #define XFS_INACTIVE_LOG_COUNT 2 | |
777 | #define XFS_CREATE_LOG_COUNT 2 | |
778 | #define XFS_MKDIR_LOG_COUNT 3 | |
779 | #define XFS_SYMLINK_LOG_COUNT 3 | |
780 | #define XFS_REMOVE_LOG_COUNT 2 | |
781 | #define XFS_LINK_LOG_COUNT 2 | |
782 | #define XFS_RENAME_LOG_COUNT 2 | |
783 | #define XFS_WRITE_LOG_COUNT 2 | |
784 | #define XFS_ADDAFORK_LOG_COUNT 2 | |
785 | #define XFS_ATTRINVAL_LOG_COUNT 1 | |
786 | #define XFS_ATTRSET_LOG_COUNT 3 | |
787 | #define XFS_ATTRRM_LOG_COUNT 3 | |
788 | ||
789 | /* | |
790 | * Here we centralize the specification of XFS meta-data buffer | |
791 | * reference count values. This determine how hard the buffer | |
792 | * cache tries to hold onto the buffer. | |
793 | */ | |
794 | #define XFS_AGF_REF 4 | |
795 | #define XFS_AGI_REF 4 | |
796 | #define XFS_AGFL_REF 3 | |
797 | #define XFS_INO_BTREE_REF 3 | |
798 | #define XFS_ALLOC_BTREE_REF 2 | |
799 | #define XFS_BMAP_BTREE_REF 2 | |
800 | #define XFS_DIR_BTREE_REF 2 | |
801 | #define XFS_ATTR_BTREE_REF 1 | |
802 | #define XFS_INO_REF 1 | |
803 | #define XFS_DQUOT_REF 1 | |
804 | ||
805 | #ifdef __KERNEL__ | |
847fff5c BN |
806 | |
807 | struct xfs_buf; | |
808 | struct xfs_buftarg; | |
809 | struct xfs_efd_log_item; | |
810 | struct xfs_efi_log_item; | |
811 | struct xfs_inode; | |
812 | struct xfs_item_ops; | |
813 | struct xfs_log_iovec; | |
814 | struct xfs_log_item_desc; | |
815 | struct xfs_mount; | |
816 | struct xfs_trans; | |
817 | struct xfs_dquot_acct; | |
ed3b4d6c | 818 | struct xfs_busy_extent; |
847fff5c BN |
819 | |
820 | typedef struct xfs_log_item { | |
821 | struct list_head li_ail; /* AIL pointers */ | |
822 | xfs_lsn_t li_lsn; /* last on-disk lsn */ | |
823 | struct xfs_log_item_desc *li_desc; /* ptr to current desc*/ | |
824 | struct xfs_mount *li_mountp; /* ptr to fs mount */ | |
fc1829f3 | 825 | struct xfs_ail *li_ailp; /* ptr to AIL */ |
847fff5c BN |
826 | uint li_type; /* item type */ |
827 | uint li_flags; /* misc flags */ | |
828 | struct xfs_log_item *li_bio_list; /* buffer item list */ | |
829 | void (*li_cb)(struct xfs_buf *, | |
830 | struct xfs_log_item *); | |
831 | /* buffer item iodone */ | |
832 | /* callback func */ | |
833 | struct xfs_item_ops *li_ops; /* function list */ | |
71e330b5 DC |
834 | |
835 | /* delayed logging */ | |
836 | struct list_head li_cil; /* CIL pointers */ | |
837 | struct xfs_log_vec *li_lv; /* active log vector */ | |
ccf7c23f | 838 | xfs_lsn_t li_seq; /* CIL commit seq */ |
847fff5c BN |
839 | } xfs_log_item_t; |
840 | ||
841 | #define XFS_LI_IN_AIL 0x1 | |
842 | #define XFS_LI_ABORTED 0x2 | |
843 | ||
0b1b213f CH |
844 | #define XFS_LI_FLAGS \ |
845 | { XFS_LI_IN_AIL, "IN_AIL" }, \ | |
846 | { XFS_LI_ABORTED, "ABORTED" } | |
847 | ||
847fff5c BN |
848 | typedef struct xfs_item_ops { |
849 | uint (*iop_size)(xfs_log_item_t *); | |
850 | void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); | |
851 | void (*iop_pin)(xfs_log_item_t *); | |
8e123850 | 852 | void (*iop_unpin)(xfs_log_item_t *); |
847fff5c BN |
853 | void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *); |
854 | uint (*iop_trylock)(xfs_log_item_t *); | |
855 | void (*iop_unlock)(xfs_log_item_t *); | |
856 | xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t); | |
857 | void (*iop_push)(xfs_log_item_t *); | |
858 | void (*iop_pushbuf)(xfs_log_item_t *); | |
859 | void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t); | |
860 | } xfs_item_ops_t; | |
861 | ||
862 | #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) | |
863 | #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) | |
864 | #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) | |
8e123850 | 865 | #define IOP_UNPIN(ip) (*(ip)->li_ops->iop_unpin)(ip) |
847fff5c BN |
866 | #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp) |
867 | #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip) | |
868 | #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip) | |
869 | #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn) | |
870 | #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip) | |
871 | #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip) | |
872 | #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn) | |
873 | ||
874 | /* | |
875 | * Return values for the IOP_TRYLOCK() routines. | |
876 | */ | |
877 | #define XFS_ITEM_SUCCESS 0 | |
878 | #define XFS_ITEM_PINNED 1 | |
879 | #define XFS_ITEM_LOCKED 2 | |
d808f617 | 880 | #define XFS_ITEM_PUSHBUF 3 |
847fff5c | 881 | |
847fff5c BN |
882 | /* |
883 | * This is the type of function which can be given to xfs_trans_callback() | |
884 | * to be called upon the transaction's commit to disk. | |
885 | */ | |
886 | typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *); | |
887 | ||
888 | /* | |
889 | * This is the structure maintained for every active transaction. | |
890 | */ | |
891 | typedef struct xfs_trans { | |
892 | unsigned int t_magic; /* magic number */ | |
893 | xfs_log_callback_t t_logcb; /* log callback struct */ | |
894 | unsigned int t_type; /* transaction type */ | |
895 | unsigned int t_log_res; /* amt of log space resvd */ | |
896 | unsigned int t_log_count; /* count for perm log res */ | |
897 | unsigned int t_blk_res; /* # of blocks resvd */ | |
898 | unsigned int t_blk_res_used; /* # of resvd blocks used */ | |
899 | unsigned int t_rtx_res; /* # of rt extents resvd */ | |
900 | unsigned int t_rtx_res_used; /* # of resvd rt extents used */ | |
35a8a72f | 901 | struct xlog_ticket *t_ticket; /* log mgr ticket */ |
847fff5c BN |
902 | xfs_lsn_t t_lsn; /* log seq num of start of |
903 | * transaction. */ | |
904 | xfs_lsn_t t_commit_lsn; /* log seq num of end of | |
905 | * transaction. */ | |
906 | struct xfs_mount *t_mountp; /* ptr to fs mount struct */ | |
907 | struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */ | |
908 | xfs_trans_callback_t t_callback; /* transaction callback */ | |
909 | void *t_callarg; /* callback arg */ | |
910 | unsigned int t_flags; /* misc flags */ | |
911 | int64_t t_icount_delta; /* superblock icount change */ | |
912 | int64_t t_ifree_delta; /* superblock ifree change */ | |
913 | int64_t t_fdblocks_delta; /* superblock fdblocks chg */ | |
914 | int64_t t_res_fdblocks_delta; /* on-disk only chg */ | |
915 | int64_t t_frextents_delta;/* superblock freextents chg*/ | |
916 | int64_t t_res_frextents_delta; /* on-disk only chg */ | |
917 | #ifdef DEBUG | |
918 | int64_t t_ag_freeblks_delta; /* debugging counter */ | |
919 | int64_t t_ag_flist_delta; /* debugging counter */ | |
920 | int64_t t_ag_btree_delta; /* debugging counter */ | |
921 | #endif | |
922 | int64_t t_dblocks_delta;/* superblock dblocks change */ | |
923 | int64_t t_agcount_delta;/* superblock agcount change */ | |
924 | int64_t t_imaxpct_delta;/* superblock imaxpct change */ | |
925 | int64_t t_rextsize_delta;/* superblock rextsize chg */ | |
926 | int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */ | |
927 | int64_t t_rblocks_delta;/* superblock rblocks change */ | |
928 | int64_t t_rextents_delta;/* superblocks rextents chg */ | |
929 | int64_t t_rextslog_delta;/* superblocks rextslog chg */ | |
930 | unsigned int t_items_free; /* log item descs free */ | |
931 | xfs_log_item_chunk_t t_items; /* first log item desc chunk */ | |
932 | xfs_trans_header_t t_header; /* header for in-log trans */ | |
ed3b4d6c | 933 | struct list_head t_busy; /* list of busy extents */ |
847fff5c BN |
934 | unsigned long t_pflags; /* saved process flags state */ |
935 | } xfs_trans_t; | |
936 | ||
1da177e4 LT |
937 | /* |
938 | * XFS transaction mechanism exported interfaces that are | |
939 | * actually macros. | |
940 | */ | |
941 | #define xfs_trans_get_log_res(tp) ((tp)->t_log_res) | |
942 | #define xfs_trans_get_log_count(tp) ((tp)->t_log_count) | |
943 | #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res) | |
944 | #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) | |
945 | ||
946 | #ifdef DEBUG | |
20f4ebf2 DC |
947 | #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d) |
948 | #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d) | |
949 | #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d) | |
1da177e4 LT |
950 | #else |
951 | #define xfs_trans_agblocks_delta(tp, d) | |
952 | #define xfs_trans_agflist_delta(tp, d) | |
953 | #define xfs_trans_agbtree_delta(tp, d) | |
954 | #endif | |
955 | ||
956 | /* | |
957 | * XFS transaction mechanism exported interfaces. | |
958 | */ | |
1da177e4 | 959 | xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint); |
80641dc6 | 960 | xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, uint); |
1da177e4 LT |
961 | xfs_trans_t *xfs_trans_dup(xfs_trans_t *); |
962 | int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, | |
963 | uint, uint); | |
20f4ebf2 | 964 | void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); |
1da177e4 LT |
965 | struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, |
966 | int, uint); | |
967 | int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, | |
968 | struct xfs_buftarg *, xfs_daddr_t, int, uint, | |
969 | struct xfs_buf **); | |
970 | struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); | |
971 | ||
972 | void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); | |
973 | void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *); | |
974 | void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *); | |
efa092f3 | 975 | void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *); |
1da177e4 LT |
976 | void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *); |
977 | void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *); | |
1da177e4 LT |
978 | void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *); |
979 | void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); | |
980 | void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); | |
981 | int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *, | |
982 | xfs_ino_t , uint, uint, struct xfs_inode **); | |
983 | void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint); | |
984 | void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *); | |
1da177e4 LT |
985 | void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); |
986 | void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint); | |
987 | struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint); | |
988 | void xfs_efi_release(struct xfs_efi_log_item *, uint); | |
989 | void xfs_trans_log_efi_extent(xfs_trans_t *, | |
990 | struct xfs_efi_log_item *, | |
991 | xfs_fsblock_t, | |
992 | xfs_extlen_t); | |
993 | struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, | |
994 | struct xfs_efi_log_item *, | |
995 | uint); | |
996 | void xfs_trans_log_efd_extent(xfs_trans_t *, | |
997 | struct xfs_efd_log_item *, | |
998 | xfs_fsblock_t, | |
999 | xfs_extlen_t); | |
f538d4da CH |
1000 | int _xfs_trans_commit(xfs_trans_t *, |
1001 | uint flags, | |
f538d4da | 1002 | int *); |
1c72bf90 | 1003 | #define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL) |
1da177e4 | 1004 | void xfs_trans_cancel(xfs_trans_t *, int); |
249a8c11 DC |
1005 | int xfs_trans_ail_init(struct xfs_mount *); |
1006 | void xfs_trans_ail_destroy(struct xfs_mount *); | |
1da177e4 | 1007 | |
a8272ce0 DC |
1008 | extern kmem_zone_t *xfs_trans_zone; |
1009 | ||
1da177e4 LT |
1010 | #endif /* __KERNEL__ */ |
1011 | ||
847fff5c BN |
1012 | void xfs_trans_init(struct xfs_mount *); |
1013 | int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *); | |
1014 | ||
1da177e4 | 1015 | #endif /* __XFS_TRANS_H__ */ |