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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 2000-2005 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"
Nathan Scotta844f452005-11-02 14:38:42 +110021#include "xfs_bit.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include "xfs_log.h"
Nathan Scotta844f452005-11-02 14:38:42 +110023#include "xfs_inum.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include "xfs_trans.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#include "xfs_sb.h"
26#include "xfs_dir.h"
27#include "xfs_dmapi.h"
28#include "xfs_mount.h"
Nathan Scotta844f452005-11-02 14:38:42 +110029#include "xfs_buf_item.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#include "xfs_trans_priv.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include "xfs_error.h"
32
33
34kmem_zone_t *xfs_buf_item_zone;
35
36#ifdef XFS_TRANS_DEBUG
37/*
38 * This function uses an alternate strategy for tracking the bytes
39 * that the user requests to be logged. This can then be used
40 * in conjunction with the bli_orig array in the buf log item to
41 * catch bugs in our callers' code.
42 *
43 * We also double check the bits set in xfs_buf_item_log using a
44 * simple algorithm to check that every byte is accounted for.
45 */
46STATIC void
47xfs_buf_item_log_debug(
48 xfs_buf_log_item_t *bip,
49 uint first,
50 uint last)
51{
52 uint x;
53 uint byte;
54 uint nbytes;
55 uint chunk_num;
56 uint word_num;
57 uint bit_num;
58 uint bit_set;
59 uint *wordp;
60
61 ASSERT(bip->bli_logged != NULL);
62 byte = first;
63 nbytes = last - first + 1;
64 bfset(bip->bli_logged, first, nbytes);
65 for (x = 0; x < nbytes; x++) {
66 chunk_num = byte >> XFS_BLI_SHIFT;
67 word_num = chunk_num >> BIT_TO_WORD_SHIFT;
68 bit_num = chunk_num & (NBWORD - 1);
69 wordp = &(bip->bli_format.blf_data_map[word_num]);
70 bit_set = *wordp & (1 << bit_num);
71 ASSERT(bit_set);
72 byte++;
73 }
74}
75
76/*
77 * This function is called when we flush something into a buffer without
78 * logging it. This happens for things like inodes which are logged
79 * separately from the buffer.
80 */
81void
82xfs_buf_item_flush_log_debug(
83 xfs_buf_t *bp,
84 uint first,
85 uint last)
86{
87 xfs_buf_log_item_t *bip;
88 uint nbytes;
89
90 bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*);
91 if ((bip == NULL) || (bip->bli_item.li_type != XFS_LI_BUF)) {
92 return;
93 }
94
95 ASSERT(bip->bli_logged != NULL);
96 nbytes = last - first + 1;
97 bfset(bip->bli_logged, first, nbytes);
98}
99
100/*
Nathan Scottc41564b2006-03-29 08:55:14 +1000101 * This function is called to verify that our callers have logged
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102 * all the bytes that they changed.
103 *
104 * It does this by comparing the original copy of the buffer stored in
105 * the buf log item's bli_orig array to the current copy of the buffer
Nathan Scottc41564b2006-03-29 08:55:14 +1000106 * and ensuring that all bytes which mismatch are set in the bli_logged
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107 * array of the buf log item.
108 */
109STATIC void
110xfs_buf_item_log_check(
111 xfs_buf_log_item_t *bip)
112{
113 char *orig;
114 char *buffer;
115 int x;
116 xfs_buf_t *bp;
117
118 ASSERT(bip->bli_orig != NULL);
119 ASSERT(bip->bli_logged != NULL);
120
121 bp = bip->bli_buf;
122 ASSERT(XFS_BUF_COUNT(bp) > 0);
123 ASSERT(XFS_BUF_PTR(bp) != NULL);
124 orig = bip->bli_orig;
125 buffer = XFS_BUF_PTR(bp);
126 for (x = 0; x < XFS_BUF_COUNT(bp); x++) {
127 if (orig[x] != buffer[x] && !btst(bip->bli_logged, x))
128 cmn_err(CE_PANIC,
129 "xfs_buf_item_log_check bip %x buffer %x orig %x index %d",
130 bip, bp, orig, x);
131 }
132}
133#else
134#define xfs_buf_item_log_debug(x,y,z)
135#define xfs_buf_item_log_check(x)
136#endif
137
138STATIC void xfs_buf_error_relse(xfs_buf_t *bp);
139STATIC void xfs_buf_do_callbacks(xfs_buf_t *bp, xfs_log_item_t *lip);
140
141/*
142 * This returns the number of log iovecs needed to log the
143 * given buf log item.
144 *
145 * It calculates this as 1 iovec for the buf log format structure
146 * and 1 for each stretch of non-contiguous chunks to be logged.
147 * Contiguous chunks are logged in a single iovec.
148 *
149 * If the XFS_BLI_STALE flag has been set, then log nothing.
150 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000151STATIC uint
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152xfs_buf_item_size(
153 xfs_buf_log_item_t *bip)
154{
155 uint nvecs;
156 int next_bit;
157 int last_bit;
158 xfs_buf_t *bp;
159
160 ASSERT(atomic_read(&bip->bli_refcount) > 0);
161 if (bip->bli_flags & XFS_BLI_STALE) {
162 /*
163 * The buffer is stale, so all we need to log
164 * is the buf log format structure with the
165 * cancel flag in it.
166 */
167 xfs_buf_item_trace("SIZE STALE", bip);
168 ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
169 return 1;
170 }
171
172 bp = bip->bli_buf;
173 ASSERT(bip->bli_flags & XFS_BLI_LOGGED);
174 nvecs = 1;
175 last_bit = xfs_next_bit(bip->bli_format.blf_data_map,
176 bip->bli_format.blf_map_size, 0);
177 ASSERT(last_bit != -1);
178 nvecs++;
179 while (last_bit != -1) {
180 /*
181 * This takes the bit number to start looking from and
182 * returns the next set bit from there. It returns -1
183 * if there are no more bits set or the start bit is
184 * beyond the end of the bitmap.
185 */
186 next_bit = xfs_next_bit(bip->bli_format.blf_data_map,
187 bip->bli_format.blf_map_size,
188 last_bit + 1);
189 /*
190 * If we run out of bits, leave the loop,
191 * else if we find a new set of bits bump the number of vecs,
192 * else keep scanning the current set of bits.
193 */
194 if (next_bit == -1) {
195 last_bit = -1;
196 } else if (next_bit != last_bit + 1) {
197 last_bit = next_bit;
198 nvecs++;
199 } else if (xfs_buf_offset(bp, next_bit * XFS_BLI_CHUNK) !=
200 (xfs_buf_offset(bp, last_bit * XFS_BLI_CHUNK) +
201 XFS_BLI_CHUNK)) {
202 last_bit = next_bit;
203 nvecs++;
204 } else {
205 last_bit++;
206 }
207 }
208
209 xfs_buf_item_trace("SIZE NORM", bip);
210 return nvecs;
211}
212
213/*
214 * This is called to fill in the vector of log iovecs for the
215 * given log buf item. It fills the first entry with a buf log
216 * format structure, and the rest point to contiguous chunks
217 * within the buffer.
218 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000219STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220xfs_buf_item_format(
221 xfs_buf_log_item_t *bip,
222 xfs_log_iovec_t *log_vector)
223{
224 uint base_size;
225 uint nvecs;
226 xfs_log_iovec_t *vecp;
227 xfs_buf_t *bp;
228 int first_bit;
229 int last_bit;
230 int next_bit;
231 uint nbits;
232 uint buffer_offset;
233
234 ASSERT(atomic_read(&bip->bli_refcount) > 0);
235 ASSERT((bip->bli_flags & XFS_BLI_LOGGED) ||
236 (bip->bli_flags & XFS_BLI_STALE));
237 bp = bip->bli_buf;
238 ASSERT(XFS_BUF_BP_ISMAPPED(bp));
239 vecp = log_vector;
240
241 /*
242 * The size of the base structure is the size of the
243 * declared structure plus the space for the extra words
244 * of the bitmap. We subtract one from the map size, because
245 * the first element of the bitmap is accounted for in the
246 * size of the base structure.
247 */
248 base_size =
249 (uint)(sizeof(xfs_buf_log_format_t) +
250 ((bip->bli_format.blf_map_size - 1) * sizeof(uint)));
251 vecp->i_addr = (xfs_caddr_t)&bip->bli_format;
252 vecp->i_len = base_size;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000253 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BFORMAT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700254 vecp++;
255 nvecs = 1;
256
257 if (bip->bli_flags & XFS_BLI_STALE) {
258 /*
259 * The buffer is stale, so all we need to log
260 * is the buf log format structure with the
261 * cancel flag in it.
262 */
263 xfs_buf_item_trace("FORMAT STALE", bip);
264 ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
265 bip->bli_format.blf_size = nvecs;
266 return;
267 }
268
269 /*
270 * Fill in an iovec for each set of contiguous chunks.
271 */
272 first_bit = xfs_next_bit(bip->bli_format.blf_data_map,
273 bip->bli_format.blf_map_size, 0);
274 ASSERT(first_bit != -1);
275 last_bit = first_bit;
276 nbits = 1;
277 for (;;) {
278 /*
279 * This takes the bit number to start looking from and
280 * returns the next set bit from there. It returns -1
281 * if there are no more bits set or the start bit is
282 * beyond the end of the bitmap.
283 */
284 next_bit = xfs_next_bit(bip->bli_format.blf_data_map,
285 bip->bli_format.blf_map_size,
286 (uint)last_bit + 1);
287 /*
288 * If we run out of bits fill in the last iovec and get
289 * out of the loop.
290 * Else if we start a new set of bits then fill in the
291 * iovec for the series we were looking at and start
292 * counting the bits in the new one.
293 * Else we're still in the same set of bits so just
294 * keep counting and scanning.
295 */
296 if (next_bit == -1) {
297 buffer_offset = first_bit * XFS_BLI_CHUNK;
298 vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
299 vecp->i_len = nbits * XFS_BLI_CHUNK;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000300 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BCHUNK);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301 nvecs++;
302 break;
303 } else if (next_bit != last_bit + 1) {
304 buffer_offset = first_bit * XFS_BLI_CHUNK;
305 vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
306 vecp->i_len = nbits * XFS_BLI_CHUNK;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000307 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BCHUNK);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308 nvecs++;
309 vecp++;
310 first_bit = next_bit;
311 last_bit = next_bit;
312 nbits = 1;
313 } else if (xfs_buf_offset(bp, next_bit << XFS_BLI_SHIFT) !=
314 (xfs_buf_offset(bp, last_bit << XFS_BLI_SHIFT) +
315 XFS_BLI_CHUNK)) {
316 buffer_offset = first_bit * XFS_BLI_CHUNK;
317 vecp->i_addr = xfs_buf_offset(bp, buffer_offset);
318 vecp->i_len = nbits * XFS_BLI_CHUNK;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000319 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_BCHUNK);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320/* You would think we need to bump the nvecs here too, but we do not
321 * this number is used by recovery, and it gets confused by the boundary
322 * split here
323 * nvecs++;
324 */
325 vecp++;
326 first_bit = next_bit;
327 last_bit = next_bit;
328 nbits = 1;
329 } else {
330 last_bit++;
331 nbits++;
332 }
333 }
334 bip->bli_format.blf_size = nvecs;
335
336 /*
337 * Check to make sure everything is consistent.
338 */
339 xfs_buf_item_trace("FORMAT NORM", bip);
340 xfs_buf_item_log_check(bip);
341}
342
343/*
344 * This is called to pin the buffer associated with the buf log
345 * item in memory so it cannot be written out. Simply call bpin()
346 * on the buffer to do this.
347 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000348STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349xfs_buf_item_pin(
350 xfs_buf_log_item_t *bip)
351{
352 xfs_buf_t *bp;
353
354 bp = bip->bli_buf;
355 ASSERT(XFS_BUF_ISBUSY(bp));
356 ASSERT(atomic_read(&bip->bli_refcount) > 0);
357 ASSERT((bip->bli_flags & XFS_BLI_LOGGED) ||
358 (bip->bli_flags & XFS_BLI_STALE));
359 xfs_buf_item_trace("PIN", bip);
360 xfs_buftrace("XFS_PIN", bp);
361 xfs_bpin(bp);
362}
363
364
365/*
366 * This is called to unpin the buffer associated with the buf log
367 * item which was previously pinned with a call to xfs_buf_item_pin().
368 * Just call bunpin() on the buffer to do this.
369 *
370 * Also drop the reference to the buf item for the current transaction.
371 * If the XFS_BLI_STALE flag is set and we are the last reference,
372 * then free up the buf log item and unlock the buffer.
373 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000374STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375xfs_buf_item_unpin(
376 xfs_buf_log_item_t *bip,
377 int stale)
378{
379 xfs_mount_t *mp;
380 xfs_buf_t *bp;
381 int freed;
382 SPLDECL(s);
383
384 bp = bip->bli_buf;
385 ASSERT(bp != NULL);
386 ASSERT(XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *) == bip);
387 ASSERT(atomic_read(&bip->bli_refcount) > 0);
388 xfs_buf_item_trace("UNPIN", bip);
389 xfs_buftrace("XFS_UNPIN", bp);
390
391 freed = atomic_dec_and_test(&bip->bli_refcount);
392 mp = bip->bli_item.li_mountp;
393 xfs_bunpin(bp);
394 if (freed && stale) {
395 ASSERT(bip->bli_flags & XFS_BLI_STALE);
396 ASSERT(XFS_BUF_VALUSEMA(bp) <= 0);
397 ASSERT(!(XFS_BUF_ISDELAYWRITE(bp)));
398 ASSERT(XFS_BUF_ISSTALE(bp));
399 ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
400 xfs_buf_item_trace("UNPIN STALE", bip);
401 xfs_buftrace("XFS_UNPIN STALE", bp);
402 /*
403 * If we get called here because of an IO error, we may
404 * or may not have the item on the AIL. xfs_trans_delete_ail()
405 * will take care of that situation.
406 * xfs_trans_delete_ail() drops the AIL lock.
407 */
408 if (bip->bli_flags & XFS_BLI_STALE_INODE) {
409 xfs_buf_do_callbacks(bp, (xfs_log_item_t *)bip);
410 XFS_BUF_SET_FSPRIVATE(bp, NULL);
411 XFS_BUF_CLR_IODONE_FUNC(bp);
412 } else {
413 AIL_LOCK(mp,s);
414 xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip, s);
415 xfs_buf_item_relse(bp);
416 ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL);
417 }
418 xfs_buf_relse(bp);
419 }
420}
421
422/*
423 * this is called from uncommit in the forced-shutdown path.
424 * we need to check to see if the reference count on the log item
425 * is going to drop to zero. If so, unpin will free the log item
426 * so we need to free the item's descriptor (that points to the item)
427 * in the transaction.
428 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000429STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430xfs_buf_item_unpin_remove(
431 xfs_buf_log_item_t *bip,
432 xfs_trans_t *tp)
433{
434 xfs_buf_t *bp;
435 xfs_log_item_desc_t *lidp;
436 int stale = 0;
437
438 bp = bip->bli_buf;
439 /*
440 * will xfs_buf_item_unpin() call xfs_buf_item_relse()?
441 */
442 if ((atomic_read(&bip->bli_refcount) == 1) &&
443 (bip->bli_flags & XFS_BLI_STALE)) {
444 ASSERT(XFS_BUF_VALUSEMA(bip->bli_buf) <= 0);
445 xfs_buf_item_trace("UNPIN REMOVE", bip);
446 xfs_buftrace("XFS_UNPIN_REMOVE", bp);
447 /*
448 * yes -- clear the xaction descriptor in-use flag
449 * and free the chunk if required. We can safely
450 * do some work here and then call buf_item_unpin
451 * to do the rest because if the if is true, then
452 * we are holding the buffer locked so no one else
453 * will be able to bump up the refcount.
454 */
455 lidp = xfs_trans_find_item(tp, (xfs_log_item_t *) bip);
456 stale = lidp->lid_flags & XFS_LID_BUF_STALE;
457 xfs_trans_free_item(tp, lidp);
458 /*
459 * Since the transaction no longer refers to the buffer,
460 * the buffer should no longer refer to the transaction.
461 */
462 XFS_BUF_SET_FSPRIVATE2(bp, NULL);
463 }
464
465 xfs_buf_item_unpin(bip, stale);
466
467 return;
468}
469
470/*
471 * This is called to attempt to lock the buffer associated with this
472 * buf log item. Don't sleep on the buffer lock. If we can't get
473 * the lock right away, return 0. If we can get the lock, pull the
474 * buffer from the free list, mark it busy, and return 1.
475 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000476STATIC uint
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477xfs_buf_item_trylock(
478 xfs_buf_log_item_t *bip)
479{
480 xfs_buf_t *bp;
481
482 bp = bip->bli_buf;
483
484 if (XFS_BUF_ISPINNED(bp)) {
485 return XFS_ITEM_PINNED;
486 }
487
488 if (!XFS_BUF_CPSEMA(bp)) {
489 return XFS_ITEM_LOCKED;
490 }
491
492 /*
493 * Remove the buffer from the free list. Only do this
494 * if it's on the free list. Private buffers like the
495 * superblock buffer are not.
496 */
497 XFS_BUF_HOLD(bp);
498
499 ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
500 xfs_buf_item_trace("TRYLOCK SUCCESS", bip);
501 return XFS_ITEM_SUCCESS;
502}
503
504/*
505 * Release the buffer associated with the buf log item.
506 * If there is no dirty logged data associated with the
507 * buffer recorded in the buf log item, then free the
508 * buf log item and remove the reference to it in the
509 * buffer.
510 *
511 * This call ignores the recursion count. It is only called
512 * when the buffer should REALLY be unlocked, regardless
513 * of the recursion count.
514 *
515 * If the XFS_BLI_HOLD flag is set in the buf log item, then
516 * free the log item if necessary but do not unlock the buffer.
517 * This is for support of xfs_trans_bhold(). Make sure the
518 * XFS_BLI_HOLD field is cleared if we don't free the item.
519 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000520STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521xfs_buf_item_unlock(
522 xfs_buf_log_item_t *bip)
523{
524 int aborted;
525 xfs_buf_t *bp;
526 uint hold;
527
528 bp = bip->bli_buf;
529 xfs_buftrace("XFS_UNLOCK", bp);
530
531 /*
532 * Clear the buffer's association with this transaction.
533 */
534 XFS_BUF_SET_FSPRIVATE2(bp, NULL);
535
536 /*
537 * If this is a transaction abort, don't return early.
538 * Instead, allow the brelse to happen.
539 * Normally it would be done for stale (cancelled) buffers
540 * at unpin time, but we'll never go through the pin/unpin
541 * cycle if we abort inside commit.
542 */
543 aborted = (bip->bli_item.li_flags & XFS_LI_ABORTED) != 0;
544
545 /*
546 * If the buf item is marked stale, then don't do anything.
547 * We'll unlock the buffer and free the buf item when the
548 * buffer is unpinned for the last time.
549 */
550 if (bip->bli_flags & XFS_BLI_STALE) {
551 bip->bli_flags &= ~XFS_BLI_LOGGED;
552 xfs_buf_item_trace("UNLOCK STALE", bip);
553 ASSERT(bip->bli_format.blf_flags & XFS_BLI_CANCEL);
554 if (!aborted)
555 return;
556 }
557
558 /*
559 * Drop the transaction's reference to the log item if
560 * it was not logged as part of the transaction. Otherwise
561 * we'll drop the reference in xfs_buf_item_unpin() when
562 * the transaction is really through with the buffer.
563 */
564 if (!(bip->bli_flags & XFS_BLI_LOGGED)) {
565 atomic_dec(&bip->bli_refcount);
566 } else {
567 /*
568 * Clear the logged flag since this is per
569 * transaction state.
570 */
571 bip->bli_flags &= ~XFS_BLI_LOGGED;
572 }
573
574 /*
575 * Before possibly freeing the buf item, determine if we should
576 * release the buffer at the end of this routine.
577 */
578 hold = bip->bli_flags & XFS_BLI_HOLD;
579 xfs_buf_item_trace("UNLOCK", bip);
580
581 /*
582 * If the buf item isn't tracking any data, free it.
583 * Otherwise, if XFS_BLI_HOLD is set clear it.
584 */
585 if (xfs_count_bits(bip->bli_format.blf_data_map,
586 bip->bli_format.blf_map_size, 0) == 0) {
587 xfs_buf_item_relse(bp);
588 } else if (hold) {
589 bip->bli_flags &= ~XFS_BLI_HOLD;
590 }
591
592 /*
593 * Release the buffer if XFS_BLI_HOLD was not set.
594 */
595 if (!hold) {
596 xfs_buf_relse(bp);
597 }
598}
599
600/*
601 * This is called to find out where the oldest active copy of the
602 * buf log item in the on disk log resides now that the last log
603 * write of it completed at the given lsn.
604 * We always re-log all the dirty data in a buffer, so usually the
605 * latest copy in the on disk log is the only one that matters. For
606 * those cases we simply return the given lsn.
607 *
608 * The one exception to this is for buffers full of newly allocated
609 * inodes. These buffers are only relogged with the XFS_BLI_INODE_BUF
610 * flag set, indicating that only the di_next_unlinked fields from the
611 * inodes in the buffers will be replayed during recovery. If the
612 * original newly allocated inode images have not yet been flushed
613 * when the buffer is so relogged, then we need to make sure that we
614 * keep the old images in the 'active' portion of the log. We do this
615 * by returning the original lsn of that transaction here rather than
616 * the current one.
617 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000618STATIC xfs_lsn_t
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619xfs_buf_item_committed(
620 xfs_buf_log_item_t *bip,
621 xfs_lsn_t lsn)
622{
623 xfs_buf_item_trace("COMMITTED", bip);
624 if ((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
625 (bip->bli_item.li_lsn != 0)) {
626 return bip->bli_item.li_lsn;
627 }
628 return (lsn);
629}
630
631/*
632 * This is called when the transaction holding the buffer is aborted.
633 * Just behave as if the transaction had been cancelled. If we're shutting down
634 * and have aborted this transaction, we'll trap this buffer when it tries to
635 * get written out.
636 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000637STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700638xfs_buf_item_abort(
639 xfs_buf_log_item_t *bip)
640{
641 xfs_buf_t *bp;
642
643 bp = bip->bli_buf;
644 xfs_buftrace("XFS_ABORT", bp);
645 XFS_BUF_SUPER_STALE(bp);
646 xfs_buf_item_unlock(bip);
647 return;
648}
649
650/*
651 * This is called to asynchronously write the buffer associated with this
652 * buf log item out to disk. The buffer will already have been locked by
653 * a successful call to xfs_buf_item_trylock(). If the buffer still has
654 * B_DELWRI set, then get it going out to disk with a call to bawrite().
655 * If not, then just release the buffer.
656 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000657STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700658xfs_buf_item_push(
659 xfs_buf_log_item_t *bip)
660{
661 xfs_buf_t *bp;
662
663 ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
664 xfs_buf_item_trace("PUSH", bip);
665
666 bp = bip->bli_buf;
667
668 if (XFS_BUF_ISDELAYWRITE(bp)) {
669 xfs_bawrite(bip->bli_item.li_mountp, bp);
670 } else {
671 xfs_buf_relse(bp);
672 }
673}
674
675/* ARGSUSED */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000676STATIC void
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677xfs_buf_item_committing(xfs_buf_log_item_t *bip, xfs_lsn_t commit_lsn)
678{
679}
680
681/*
682 * This is the ops vector shared by all buf log items.
683 */
Christoph Hellwigba0f32d2005-06-21 15:36:52 +1000684STATIC struct xfs_item_ops xfs_buf_item_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685 .iop_size = (uint(*)(xfs_log_item_t*))xfs_buf_item_size,
686 .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
687 xfs_buf_item_format,
688 .iop_pin = (void(*)(xfs_log_item_t*))xfs_buf_item_pin,
689 .iop_unpin = (void(*)(xfs_log_item_t*, int))xfs_buf_item_unpin,
690 .iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t *))
691 xfs_buf_item_unpin_remove,
692 .iop_trylock = (uint(*)(xfs_log_item_t*))xfs_buf_item_trylock,
693 .iop_unlock = (void(*)(xfs_log_item_t*))xfs_buf_item_unlock,
694 .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t))
695 xfs_buf_item_committed,
696 .iop_push = (void(*)(xfs_log_item_t*))xfs_buf_item_push,
697 .iop_abort = (void(*)(xfs_log_item_t*))xfs_buf_item_abort,
698 .iop_pushbuf = NULL,
699 .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t))
700 xfs_buf_item_committing
701};
702
703
704/*
705 * Allocate a new buf log item to go with the given buffer.
706 * Set the buffer's b_fsprivate field to point to the new
707 * buf log item. If there are other item's attached to the
708 * buffer (see xfs_buf_attach_iodone() below), then put the
709 * buf log item at the front.
710 */
711void
712xfs_buf_item_init(
713 xfs_buf_t *bp,
714 xfs_mount_t *mp)
715{
716 xfs_log_item_t *lip;
717 xfs_buf_log_item_t *bip;
718 int chunks;
719 int map_size;
720
721 /*
722 * Check to see if there is already a buf log item for
723 * this buffer. If there is, it is guaranteed to be
724 * the first. If we do already have one, there is
725 * nothing to do here so return.
726 */
727 if (XFS_BUF_FSPRIVATE3(bp, xfs_mount_t *) != mp)
728 XFS_BUF_SET_FSPRIVATE3(bp, mp);
729 XFS_BUF_SET_BDSTRAT_FUNC(bp, xfs_bdstrat_cb);
730 if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) {
731 lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
732 if (lip->li_type == XFS_LI_BUF) {
733 return;
734 }
735 }
736
737 /*
738 * chunks is the number of XFS_BLI_CHUNK size pieces
739 * the buffer can be divided into. Make sure not to
740 * truncate any pieces. map_size is the size of the
741 * bitmap needed to describe the chunks of the buffer.
742 */
743 chunks = (int)((XFS_BUF_COUNT(bp) + (XFS_BLI_CHUNK - 1)) >> XFS_BLI_SHIFT);
744 map_size = (int)((chunks + NBWORD) >> BIT_TO_WORD_SHIFT);
745
746 bip = (xfs_buf_log_item_t*)kmem_zone_zalloc(xfs_buf_item_zone,
747 KM_SLEEP);
748 bip->bli_item.li_type = XFS_LI_BUF;
749 bip->bli_item.li_ops = &xfs_buf_item_ops;
750 bip->bli_item.li_mountp = mp;
751 bip->bli_buf = bp;
752 bip->bli_format.blf_type = XFS_LI_BUF;
753 bip->bli_format.blf_blkno = (__int64_t)XFS_BUF_ADDR(bp);
754 bip->bli_format.blf_len = (ushort)BTOBB(XFS_BUF_COUNT(bp));
755 bip->bli_format.blf_map_size = map_size;
756#ifdef XFS_BLI_TRACE
757 bip->bli_trace = ktrace_alloc(XFS_BLI_TRACE_SIZE, KM_SLEEP);
758#endif
759
760#ifdef XFS_TRANS_DEBUG
761 /*
762 * Allocate the arrays for tracking what needs to be logged
763 * and what our callers request to be logged. bli_orig
764 * holds a copy of the original, clean buffer for comparison
765 * against, and bli_logged keeps a 1 bit flag per byte in
766 * the buffer to indicate which bytes the callers have asked
767 * to have logged.
768 */
769 bip->bli_orig = (char *)kmem_alloc(XFS_BUF_COUNT(bp), KM_SLEEP);
770 memcpy(bip->bli_orig, XFS_BUF_PTR(bp), XFS_BUF_COUNT(bp));
771 bip->bli_logged = (char *)kmem_zalloc(XFS_BUF_COUNT(bp) / NBBY, KM_SLEEP);
772#endif
773
774 /*
775 * Put the buf item into the list of items attached to the
776 * buffer at the front.
777 */
778 if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) {
779 bip->bli_item.li_bio_list =
780 XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
781 }
782 XFS_BUF_SET_FSPRIVATE(bp, bip);
783}
784
785
786/*
787 * Mark bytes first through last inclusive as dirty in the buf
788 * item's bitmap.
789 */
790void
791xfs_buf_item_log(
792 xfs_buf_log_item_t *bip,
793 uint first,
794 uint last)
795{
796 uint first_bit;
797 uint last_bit;
798 uint bits_to_set;
799 uint bits_set;
800 uint word_num;
801 uint *wordp;
802 uint bit;
803 uint end_bit;
804 uint mask;
805
806 /*
807 * Mark the item as having some dirty data for
808 * quick reference in xfs_buf_item_dirty.
809 */
810 bip->bli_flags |= XFS_BLI_DIRTY;
811
812 /*
813 * Convert byte offsets to bit numbers.
814 */
815 first_bit = first >> XFS_BLI_SHIFT;
816 last_bit = last >> XFS_BLI_SHIFT;
817
818 /*
819 * Calculate the total number of bits to be set.
820 */
821 bits_to_set = last_bit - first_bit + 1;
822
823 /*
824 * Get a pointer to the first word in the bitmap
825 * to set a bit in.
826 */
827 word_num = first_bit >> BIT_TO_WORD_SHIFT;
828 wordp = &(bip->bli_format.blf_data_map[word_num]);
829
830 /*
831 * Calculate the starting bit in the first word.
832 */
833 bit = first_bit & (uint)(NBWORD - 1);
834
835 /*
836 * First set any bits in the first word of our range.
837 * If it starts at bit 0 of the word, it will be
838 * set below rather than here. That is what the variable
839 * bit tells us. The variable bits_set tracks the number
840 * of bits that have been set so far. End_bit is the number
841 * of the last bit to be set in this word plus one.
842 */
843 if (bit) {
844 end_bit = MIN(bit + bits_to_set, (uint)NBWORD);
845 mask = ((1 << (end_bit - bit)) - 1) << bit;
846 *wordp |= mask;
847 wordp++;
848 bits_set = end_bit - bit;
849 } else {
850 bits_set = 0;
851 }
852
853 /*
854 * Now set bits a whole word at a time that are between
855 * first_bit and last_bit.
856 */
857 while ((bits_to_set - bits_set) >= NBWORD) {
858 *wordp |= 0xffffffff;
859 bits_set += NBWORD;
860 wordp++;
861 }
862
863 /*
864 * Finally, set any bits left to be set in one last partial word.
865 */
866 end_bit = bits_to_set - bits_set;
867 if (end_bit) {
868 mask = (1 << end_bit) - 1;
869 *wordp |= mask;
870 }
871
872 xfs_buf_item_log_debug(bip, first, last);
873}
874
875
876/*
877 * Return 1 if the buffer has some data that has been logged (at any
878 * point, not just the current transaction) and 0 if not.
879 */
880uint
881xfs_buf_item_dirty(
882 xfs_buf_log_item_t *bip)
883{
884 return (bip->bli_flags & XFS_BLI_DIRTY);
885}
886
887/*
888 * This is called when the buf log item is no longer needed. It should
889 * free the buf log item associated with the given buffer and clear
890 * the buffer's pointer to the buf log item. If there are no more
891 * items in the list, clear the b_iodone field of the buffer (see
892 * xfs_buf_attach_iodone() below).
893 */
894void
895xfs_buf_item_relse(
896 xfs_buf_t *bp)
897{
898 xfs_buf_log_item_t *bip;
899
900 xfs_buftrace("XFS_RELSE", bp);
901 bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*);
902 XFS_BUF_SET_FSPRIVATE(bp, bip->bli_item.li_bio_list);
903 if ((XFS_BUF_FSPRIVATE(bp, void *) == NULL) &&
904 (XFS_BUF_IODONE_FUNC(bp) != NULL)) {
905 ASSERT((XFS_BUF_ISUNINITIAL(bp)) == 0);
906 XFS_BUF_CLR_IODONE_FUNC(bp);
907 }
908
909#ifdef XFS_TRANS_DEBUG
910 kmem_free(bip->bli_orig, XFS_BUF_COUNT(bp));
911 bip->bli_orig = NULL;
912 kmem_free(bip->bli_logged, XFS_BUF_COUNT(bp) / NBBY);
913 bip->bli_logged = NULL;
914#endif /* XFS_TRANS_DEBUG */
915
916#ifdef XFS_BLI_TRACE
917 ktrace_free(bip->bli_trace);
918#endif
919 kmem_zone_free(xfs_buf_item_zone, bip);
920}
921
922
923/*
924 * Add the given log item with its callback to the list of callbacks
925 * to be called when the buffer's I/O completes. If it is not set
926 * already, set the buffer's b_iodone() routine to be
927 * xfs_buf_iodone_callbacks() and link the log item into the list of
928 * items rooted at b_fsprivate. Items are always added as the second
929 * entry in the list if there is a first, because the buf item code
930 * assumes that the buf log item is first.
931 */
932void
933xfs_buf_attach_iodone(
934 xfs_buf_t *bp,
935 void (*cb)(xfs_buf_t *, xfs_log_item_t *),
936 xfs_log_item_t *lip)
937{
938 xfs_log_item_t *head_lip;
939
940 ASSERT(XFS_BUF_ISBUSY(bp));
941 ASSERT(XFS_BUF_VALUSEMA(bp) <= 0);
942
943 lip->li_cb = cb;
944 if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) {
945 head_lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
946 lip->li_bio_list = head_lip->li_bio_list;
947 head_lip->li_bio_list = lip;
948 } else {
949 XFS_BUF_SET_FSPRIVATE(bp, lip);
950 }
951
952 ASSERT((XFS_BUF_IODONE_FUNC(bp) == xfs_buf_iodone_callbacks) ||
953 (XFS_BUF_IODONE_FUNC(bp) == NULL));
954 XFS_BUF_SET_IODONE_FUNC(bp, xfs_buf_iodone_callbacks);
955}
956
957STATIC void
958xfs_buf_do_callbacks(
959 xfs_buf_t *bp,
960 xfs_log_item_t *lip)
961{
962 xfs_log_item_t *nlip;
963
964 while (lip != NULL) {
965 nlip = lip->li_bio_list;
966 ASSERT(lip->li_cb != NULL);
967 /*
968 * Clear the next pointer so we don't have any
969 * confusion if the item is added to another buf.
970 * Don't touch the log item after calling its
971 * callback, because it could have freed itself.
972 */
973 lip->li_bio_list = NULL;
974 lip->li_cb(bp, lip);
975 lip = nlip;
976 }
977}
978
979/*
980 * This is the iodone() function for buffers which have had callbacks
981 * attached to them by xfs_buf_attach_iodone(). It should remove each
982 * log item from the buffer's list and call the callback of each in turn.
983 * When done, the buffer's fsprivate field is set to NULL and the buffer
984 * is unlocked with a call to iodone().
985 */
986void
987xfs_buf_iodone_callbacks(
988 xfs_buf_t *bp)
989{
990 xfs_log_item_t *lip;
991 static ulong lasttime;
992 static xfs_buftarg_t *lasttarg;
993 xfs_mount_t *mp;
994
995 ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL);
996 lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
997
998 if (XFS_BUF_GETERROR(bp) != 0) {
999 /*
1000 * If we've already decided to shutdown the filesystem
1001 * because of IO errors, there's no point in giving this
1002 * a retry.
1003 */
1004 mp = lip->li_mountp;
1005 if (XFS_FORCED_SHUTDOWN(mp)) {
1006 ASSERT(XFS_BUF_TARGET(bp) == mp->m_ddev_targp);
1007 XFS_BUF_SUPER_STALE(bp);
1008 xfs_buftrace("BUF_IODONE_CB", bp);
1009 xfs_buf_do_callbacks(bp, lip);
1010 XFS_BUF_SET_FSPRIVATE(bp, NULL);
1011 XFS_BUF_CLR_IODONE_FUNC(bp);
1012
1013 /*
1014 * XFS_SHUT flag gets set when we go thru the
1015 * entire buffer cache and deliberately start
1016 * throwing away delayed write buffers.
1017 * Since there's no biowait done on those,
1018 * we should just brelse them.
1019 */
1020 if (XFS_BUF_ISSHUT(bp)) {
1021 XFS_BUF_UNSHUT(bp);
1022 xfs_buf_relse(bp);
1023 } else {
1024 xfs_biodone(bp);
1025 }
1026
1027 return;
1028 }
1029
1030 if ((XFS_BUF_TARGET(bp) != lasttarg) ||
1031 (time_after(jiffies, (lasttime + 5*HZ)))) {
1032 lasttime = jiffies;
Nathan Scottb6574522006-06-09 15:29:40 +10001033 cmn_err(CE_ALERT, "Device %s, XFS metadata write error"
1034 " block 0x%llx in %s",
1035 XFS_BUFTARG_NAME(XFS_BUF_TARGET(bp)),
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036 (__uint64_t)XFS_BUF_ADDR(bp), mp->m_fsname);
1037 }
1038 lasttarg = XFS_BUF_TARGET(bp);
1039
1040 if (XFS_BUF_ISASYNC(bp)) {
1041 /*
1042 * If the write was asynchronous then noone will be
1043 * looking for the error. Clear the error state
1044 * and write the buffer out again delayed write.
1045 *
1046 * XXXsup This is OK, so long as we catch these
1047 * before we start the umount; we don't want these
1048 * DELWRI metadata bufs to be hanging around.
1049 */
1050 XFS_BUF_ERROR(bp,0); /* errno of 0 unsets the flag */
1051
1052 if (!(XFS_BUF_ISSTALE(bp))) {
1053 XFS_BUF_DELAYWRITE(bp);
1054 XFS_BUF_DONE(bp);
1055 XFS_BUF_SET_START(bp);
1056 }
1057 ASSERT(XFS_BUF_IODONE_FUNC(bp));
1058 xfs_buftrace("BUF_IODONE ASYNC", bp);
1059 xfs_buf_relse(bp);
1060 } else {
1061 /*
1062 * If the write of the buffer was not asynchronous,
1063 * then we want to make sure to return the error
1064 * to the caller of bwrite(). Because of this we
1065 * cannot clear the B_ERROR state at this point.
1066 * Instead we install a callback function that
1067 * will be called when the buffer is released, and
1068 * that routine will clear the error state and
1069 * set the buffer to be written out again after
1070 * some delay.
1071 */
1072 /* We actually overwrite the existing b-relse
1073 function at times, but we're gonna be shutting down
1074 anyway. */
1075 XFS_BUF_SET_BRELSE_FUNC(bp,xfs_buf_error_relse);
1076 XFS_BUF_DONE(bp);
1077 XFS_BUF_V_IODONESEMA(bp);
1078 }
1079 return;
1080 }
1081#ifdef XFSERRORDEBUG
1082 xfs_buftrace("XFS BUFCB NOERR", bp);
1083#endif
1084 xfs_buf_do_callbacks(bp, lip);
1085 XFS_BUF_SET_FSPRIVATE(bp, NULL);
1086 XFS_BUF_CLR_IODONE_FUNC(bp);
1087 xfs_biodone(bp);
1088}
1089
1090/*
1091 * This is a callback routine attached to a buffer which gets an error
1092 * when being written out synchronously.
1093 */
1094STATIC void
1095xfs_buf_error_relse(
1096 xfs_buf_t *bp)
1097{
1098 xfs_log_item_t *lip;
1099 xfs_mount_t *mp;
1100
1101 lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
1102 mp = (xfs_mount_t *)lip->li_mountp;
1103 ASSERT(XFS_BUF_TARGET(bp) == mp->m_ddev_targp);
1104
1105 XFS_BUF_STALE(bp);
1106 XFS_BUF_DONE(bp);
1107 XFS_BUF_UNDELAYWRITE(bp);
1108 XFS_BUF_ERROR(bp,0);
1109 xfs_buftrace("BUF_ERROR_RELSE", bp);
1110 if (! XFS_FORCED_SHUTDOWN(mp))
Nathan Scott7d04a332006-06-09 14:58:38 +10001111 xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001112 /*
1113 * We have to unpin the pinned buffers so do the
1114 * callbacks.
1115 */
1116 xfs_buf_do_callbacks(bp, lip);
1117 XFS_BUF_SET_FSPRIVATE(bp, NULL);
1118 XFS_BUF_CLR_IODONE_FUNC(bp);
1119 XFS_BUF_SET_BRELSE_FUNC(bp,NULL);
1120 xfs_buf_relse(bp);
1121}
1122
1123
1124/*
1125 * This is the iodone() function for buffers which have been
1126 * logged. It is called when they are eventually flushed out.
1127 * It should remove the buf item from the AIL, and free the buf item.
1128 * It is called by xfs_buf_iodone_callbacks() above which will take
1129 * care of cleaning up the buffer itself.
1130 */
1131/* ARGSUSED */
1132void
1133xfs_buf_iodone(
1134 xfs_buf_t *bp,
1135 xfs_buf_log_item_t *bip)
1136{
1137 struct xfs_mount *mp;
1138 SPLDECL(s);
1139
1140 ASSERT(bip->bli_buf == bp);
1141
1142 mp = bip->bli_item.li_mountp;
1143
1144 /*
1145 * If we are forcibly shutting down, this may well be
1146 * off the AIL already. That's because we simulate the
1147 * log-committed callbacks to unpin these buffers. Or we may never
1148 * have put this item on AIL because of the transaction was
1149 * aborted forcibly. xfs_trans_delete_ail() takes care of these.
1150 *
1151 * Either way, AIL is useless if we're forcing a shutdown.
1152 */
1153 AIL_LOCK(mp,s);
1154 /*
1155 * xfs_trans_delete_ail() drops the AIL lock.
1156 */
1157 xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip, s);
1158
1159#ifdef XFS_TRANS_DEBUG
1160 kmem_free(bip->bli_orig, XFS_BUF_COUNT(bp));
1161 bip->bli_orig = NULL;
1162 kmem_free(bip->bli_logged, XFS_BUF_COUNT(bp) / NBBY);
1163 bip->bli_logged = NULL;
1164#endif /* XFS_TRANS_DEBUG */
1165
1166#ifdef XFS_BLI_TRACE
1167 ktrace_free(bip->bli_trace);
1168#endif
1169 kmem_zone_free(xfs_buf_item_zone, bip);
1170}
1171
1172#if defined(XFS_BLI_TRACE)
1173void
1174xfs_buf_item_trace(
1175 char *id,
1176 xfs_buf_log_item_t *bip)
1177{
1178 xfs_buf_t *bp;
1179 ASSERT(bip->bli_trace != NULL);
1180
1181 bp = bip->bli_buf;
1182 ktrace_enter(bip->bli_trace,
1183 (void *)id,
1184 (void *)bip->bli_buf,
1185 (void *)((unsigned long)bip->bli_flags),
1186 (void *)((unsigned long)bip->bli_recur),
1187 (void *)((unsigned long)atomic_read(&bip->bli_refcount)),
1188 (void *)((unsigned long)
1189 (0xFFFFFFFF & XFS_BUF_ADDR(bp) >> 32)),
1190 (void *)((unsigned long)(0xFFFFFFFF & XFS_BUF_ADDR(bp))),
1191 (void *)((unsigned long)XFS_BUF_COUNT(bp)),
1192 (void *)((unsigned long)XFS_BUF_BFLAGS(bp)),
1193 XFS_BUF_FSPRIVATE(bp, void *),
1194 XFS_BUF_FSPRIVATE2(bp, void *),
1195 (void *)(unsigned long)XFS_BUF_ISPINNED(bp),
1196 (void *)XFS_BUF_IODONE_FUNC(bp),
1197 (void *)((unsigned long)(XFS_BUF_VALUSEMA(bp))),
1198 (void *)bip->bli_item.li_desc,
1199 (void *)((unsigned long)bip->bli_item.li_flags));
1200}
1201#endif /* XFS_BLI_TRACE */