2 * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
5 #include <linux/time.h>
8 #include <linux/string.h>
9 #include <linux/buffer_head.h>
13 static char error_buf
[1024];
14 static char fmt_buf
[1024];
15 static char off_buf
[80];
17 static char *reiserfs_cpu_offset(struct cpu_key
*key
)
19 if (cpu_key_k_type(key
) == TYPE_DIRENTRY
)
20 sprintf(off_buf
, "%llu(%llu)",
22 GET_HASH_VALUE(cpu_key_k_offset(key
)),
24 GET_GENERATION_NUMBER(cpu_key_k_offset(key
)));
26 sprintf(off_buf
, "0x%Lx",
27 (unsigned long long)cpu_key_k_offset(key
));
31 static char *le_offset(struct reiserfs_key
*key
)
35 version
= le_key_version(key
);
36 if (le_key_k_type(version
, key
) == TYPE_DIRENTRY
)
37 sprintf(off_buf
, "%llu(%llu)",
39 GET_HASH_VALUE(le_key_k_offset(version
, key
)),
41 GET_GENERATION_NUMBER(le_key_k_offset(version
, key
)));
43 sprintf(off_buf
, "0x%Lx",
44 (unsigned long long)le_key_k_offset(version
, key
));
48 static char *cpu_type(struct cpu_key
*key
)
50 if (cpu_key_k_type(key
) == TYPE_STAT_DATA
)
52 if (cpu_key_k_type(key
) == TYPE_DIRENTRY
)
54 if (cpu_key_k_type(key
) == TYPE_DIRECT
)
56 if (cpu_key_k_type(key
) == TYPE_INDIRECT
)
61 static char *le_type(struct reiserfs_key
*key
)
65 version
= le_key_version(key
);
67 if (le_key_k_type(version
, key
) == TYPE_STAT_DATA
)
69 if (le_key_k_type(version
, key
) == TYPE_DIRENTRY
)
71 if (le_key_k_type(version
, key
) == TYPE_DIRECT
)
73 if (le_key_k_type(version
, key
) == TYPE_INDIRECT
)
79 static int scnprintf_le_key(char *buf
, size_t size
, struct reiserfs_key
*key
)
82 return scnprintf(buf
, size
, "[%d %d %s %s]",
83 le32_to_cpu(key
->k_dir_id
),
84 le32_to_cpu(key
->k_objectid
), le_offset(key
),
87 return scnprintf(buf
, size
, "[NULL]");
91 static int scnprintf_cpu_key(char *buf
, size_t size
, struct cpu_key
*key
)
94 return scnprintf(buf
, size
, "[%d %d %s %s]",
95 key
->on_disk_key
.k_dir_id
,
96 key
->on_disk_key
.k_objectid
,
97 reiserfs_cpu_offset(key
), cpu_type(key
));
99 return scnprintf(buf
, size
, "[NULL]");
102 static int scnprintf_de_head(char *buf
, size_t size
,
103 struct reiserfs_de_head
*deh
)
106 return scnprintf(buf
, size
,
107 "[offset=%d dir_id=%d objectid=%d location=%d state=%04x]",
108 deh_offset(deh
), deh_dir_id(deh
),
109 deh_objectid(deh
), deh_location(deh
),
112 return scnprintf(buf
, size
, "[NULL]");
116 static int scnprintf_item_head(char *buf
, size_t size
, struct item_head
*ih
)
120 char * const end
= buf
+ size
;
122 p
+= scnprintf(p
, end
- p
, "%s",
123 (ih_version(ih
) == KEY_FORMAT_3_6
) ?
126 p
+= scnprintf_le_key(p
, end
- p
, &ih
->ih_key
);
128 p
+= scnprintf(p
, end
- p
,
129 ", item_len %d, item_location %d, free_space(entry_count) %d",
130 ih_item_len(ih
), ih_location(ih
),
134 return scnprintf(buf
, size
, "[NULL]");
137 static int scnprintf_direntry(char *buf
, size_t size
,
138 struct reiserfs_dir_entry
*de
)
142 memcpy(name
, de
->de_name
, de
->de_namelen
> 19 ? 19 : de
->de_namelen
);
143 name
[de
->de_namelen
> 19 ? 19 : de
->de_namelen
] = 0;
144 return scnprintf(buf
, size
, "\"%s\"==>[%d %d]",
145 name
, de
->de_dir_id
, de
->de_objectid
);
148 static int scnprintf_block_head(char *buf
, size_t size
, struct buffer_head
*bh
)
150 return scnprintf(buf
, size
,
151 "level=%d, nr_items=%d, free_space=%d rdkey ",
152 B_LEVEL(bh
), B_NR_ITEMS(bh
), B_FREE_SPACE(bh
));
155 static int scnprintf_buffer_head(char *buf
, size_t size
, struct buffer_head
*bh
)
157 return scnprintf(buf
, size
,
158 "dev %pg, size %zd, blocknr %llu, count %d, state 0x%lx, page %p, (%s, %s, %s)",
159 bh
->b_bdev
, bh
->b_size
,
160 (unsigned long long)bh
->b_blocknr
,
161 atomic_read(&(bh
->b_count
)),
162 bh
->b_state
, bh
->b_page
,
163 buffer_uptodate(bh
) ? "UPTODATE" : "!UPTODATE",
164 buffer_dirty(bh
) ? "DIRTY" : "CLEAN",
165 buffer_locked(bh
) ? "LOCKED" : "UNLOCKED");
168 static int scnprintf_disk_child(char *buf
, size_t size
, struct disk_child
*dc
)
170 return scnprintf(buf
, size
, "[dc_number=%d, dc_size=%u]",
171 dc_block_number(dc
), dc_size(dc
));
174 static char *is_there_reiserfs_struct(char *fmt
, int *what
)
178 while ((k
= strchr(k
, '%')) != NULL
) {
179 if (k
[1] == 'k' || k
[1] == 'K' || k
[1] == 'h' || k
[1] == 't' ||
180 k
[1] == 'z' || k
[1] == 'b' || k
[1] == 'y' || k
[1] == 'a') {
190 * debugging reiserfs we used to print out a lot of different
191 * variables, like keys, item headers, buffer heads etc. Values of
192 * most fields matter. So it took a long time just to write
193 * appropriative printk. With this reiserfs_warning you can use format
194 * specification for complex structures like you used to do with
195 * printfs for integers, doubles and pointers. For instance, to print
196 * out key structure you have to write just:
197 * reiserfs_warning ("bad key %k", key);
199 * printk ("bad key %lu %lu %lu %lu", key->k_dir_id, key->k_objectid,
200 * key->k_offset, key->k_uniqueness);
202 static DEFINE_SPINLOCK(error_lock
);
203 static void prepare_error_buf(const char *fmt
, va_list args
)
205 char *fmt1
= fmt_buf
;
208 char * const end
= &error_buf
[sizeof(error_buf
)];
211 spin_lock(&error_lock
);
213 if (WARN_ON(strscpy(fmt_buf
, fmt
, sizeof(fmt_buf
)) < 0)) {
214 strscpy(error_buf
, "format string too long", end
- error_buf
);
218 while ((k
= is_there_reiserfs_struct(fmt1
, &what
)) != NULL
) {
221 p
+= vscnprintf(p
, end
- p
, fmt1
, args
);
225 p
+= scnprintf_le_key(p
, end
- p
,
226 va_arg(args
, struct reiserfs_key
*));
229 p
+= scnprintf_cpu_key(p
, end
- p
,
230 va_arg(args
, struct cpu_key
*));
233 p
+= scnprintf_item_head(p
, end
- p
,
234 va_arg(args
, struct item_head
*));
237 p
+= scnprintf_direntry(p
, end
- p
,
238 va_arg(args
, struct reiserfs_dir_entry
*));
241 p
+= scnprintf_disk_child(p
, end
- p
,
242 va_arg(args
, struct disk_child
*));
245 p
+= scnprintf_block_head(p
, end
- p
,
246 va_arg(args
, struct buffer_head
*));
249 p
+= scnprintf_buffer_head(p
, end
- p
,
250 va_arg(args
, struct buffer_head
*));
253 p
+= scnprintf_de_head(p
, end
- p
,
254 va_arg(args
, struct reiserfs_de_head
*));
260 p
+= vscnprintf(p
, end
- p
, fmt1
, args
);
262 spin_unlock(&error_lock
);
267 * in addition to usual conversion specifiers this accepts reiserfs
268 * specific conversion specifiers:
269 * %k to print little endian key,
270 * %K to print cpu key,
271 * %h to print item_head,
272 * %t to print directory entry
273 * %z to print block head (arg must be struct buffer_head *
274 * %b to print buffer_head
277 #define do_reiserfs_warning(fmt)\
280 va_start( args, fmt );\
281 prepare_error_buf( fmt, args );\
285 void __reiserfs_warning(struct super_block
*sb
, const char *id
,
286 const char *function
, const char *fmt
, ...)
288 do_reiserfs_warning(fmt
);
290 printk(KERN_WARNING
"REISERFS warning (device %s): %s%s%s: "
291 "%s\n", sb
->s_id
, id
? id
: "", id
? " " : "",
292 function
, error_buf
);
294 printk(KERN_WARNING
"REISERFS warning: %s%s%s: %s\n",
295 id
? id
: "", id
? " " : "", function
, error_buf
);
298 /* No newline.. reiserfs_info calls can be followed by printk's */
299 void reiserfs_info(struct super_block
*sb
, const char *fmt
, ...)
301 do_reiserfs_warning(fmt
);
303 printk(KERN_NOTICE
"REISERFS (device %s): %s",
304 sb
->s_id
, error_buf
);
306 printk(KERN_NOTICE
"REISERFS %s:", error_buf
);
309 /* No newline.. reiserfs_printk calls can be followed by printk's */
310 static void reiserfs_printk(const char *fmt
, ...)
312 do_reiserfs_warning(fmt
);
316 void reiserfs_debug(struct super_block
*s
, int level
, const char *fmt
, ...)
318 #ifdef CONFIG_REISERFS_CHECK
319 do_reiserfs_warning(fmt
);
321 printk(KERN_DEBUG
"REISERFS debug (device %s): %s\n",
324 printk(KERN_DEBUG
"REISERFS debug: %s\n", error_buf
);
331 * maintainer-errorid: [function-name:] message
333 * where errorid is unique to the maintainer and function-name is
334 * optional, is recommended, so that anyone can easily find the bug
335 * with a simple grep for the short to type string
336 * maintainer-errorid. Don't bother with reusing errorids, there are
337 * lots of numbers out there.
342 * p_sb, "reiser-29: reiserfs_new_blocknrs: "
343 * "one of search_start or rn(%d) is equal to MAX_B_NUM,"
344 * "which means that we are optimizing location based on the "
345 * "bogus location of a temp buffer (%p).",
349 * Regular panic()s sometimes clear the screen before the message can
350 * be read, thus the need for the while loop.
352 * Numbering scheme for panic used by Vladimir and Anatoly( Hans completely
353 * ignores this scheme, and considers it pointless complexity):
355 * panics in reiserfs_fs.h have numbers from 1000 to 1999
356 * super.c 2000 to 2999
357 * preserve.c (unused) 3000 to 3999
358 * bitmap.c 4000 to 4999
359 * stree.c 5000 to 5999
360 * prints.c 6000 to 6999
361 * namei.c 7000 to 7999
362 * fix_nodes.c 8000 to 8999
364 * lbalance.c 10000 to 10999
365 * ibalance.c 11000 to 11999 not ready
366 * do_balan.c 12000 to 12999
367 * inode.c 13000 to 13999
368 * file.c 14000 to 14999
369 * objectid.c 15000 - 15999
370 * buffer.c 16000 - 16999
371 * symlink.c 17000 - 17999
375 void __reiserfs_panic(struct super_block
*sb
, const char *id
,
376 const char *function
, const char *fmt
, ...)
378 do_reiserfs_warning(fmt
);
380 #ifdef CONFIG_REISERFS_CHECK
384 printk(KERN_WARNING
"REISERFS panic (device %s): %s%s%s: %s\n",
385 sb
->s_id
, id
? id
: "", id
? " " : "",
386 function
, error_buf
);
388 printk(KERN_WARNING
"REISERFS panic: %s%s%s: %s\n",
389 id
? id
: "", id
? " " : "", function
, error_buf
);
393 void __reiserfs_error(struct super_block
*sb
, const char *id
,
394 const char *function
, const char *fmt
, ...)
396 do_reiserfs_warning(fmt
);
400 if (reiserfs_error_panic(sb
))
401 __reiserfs_panic(sb
, id
, function
, error_buf
);
404 printk(KERN_CRIT
"REISERFS error (device %s): %s %s: %s\n",
405 sb
->s_id
, id
, function
, error_buf
);
407 printk(KERN_CRIT
"REISERFS error (device %s): %s: %s\n",
408 sb
->s_id
, function
, error_buf
);
413 reiserfs_info(sb
, "Remounting filesystem read-only\n");
414 sb
->s_flags
|= SB_RDONLY
;
415 reiserfs_abort_journal(sb
, -EIO
);
418 void reiserfs_abort(struct super_block
*sb
, int errno
, const char *fmt
, ...)
420 do_reiserfs_warning(fmt
);
422 if (reiserfs_error_panic(sb
)) {
423 panic(KERN_CRIT
"REISERFS panic (device %s): %s\n", sb
->s_id
,
427 if (reiserfs_is_journal_aborted(SB_JOURNAL(sb
)))
430 printk(KERN_CRIT
"REISERFS abort (device %s): %s\n", sb
->s_id
,
433 sb
->s_flags
|= SB_RDONLY
;
434 reiserfs_abort_journal(sb
, errno
);
438 * this prints internal nodes (4 keys/items in line) (dc_number,
439 * dc_size)[k_dirid, k_objectid, k_offset, k_uniqueness](dc_number,
442 static int print_internal(struct buffer_head
*bh
, int first
, int last
)
444 struct reiserfs_key
*key
;
445 struct disk_child
*dc
;
449 if (!B_IS_KEYS_LEVEL(bh
))
459 to
= last
< B_NR_ITEMS(bh
) ? last
: B_NR_ITEMS(bh
);
462 reiserfs_printk("INTERNAL NODE (%ld) contains %z\n", bh
->b_blocknr
, bh
);
464 dc
= B_N_CHILD(bh
, from
);
465 reiserfs_printk("PTR %d: %y ", from
, dc
);
467 for (i
= from
, key
= internal_key(bh
, from
), dc
++; i
< to
;
469 reiserfs_printk("KEY %d: %k PTR %d: %y ", i
, key
, i
+ 1, dc
);
477 static int print_leaf(struct buffer_head
*bh
, int print_mode
, int first
,
480 struct block_head
*blkh
;
481 struct item_head
*ih
;
485 if (!B_IS_ITEMS_LEVEL(bh
))
490 blkh
= B_BLK_HEAD(bh
);
491 ih
= item_head(bh
, 0);
492 nr
= blkh_nr_item(blkh
);
495 ("\n===================================================================\n");
496 reiserfs_printk("LEAF NODE (%ld) contains %z\n", bh
->b_blocknr
, bh
);
498 if (!(print_mode
& PRINT_LEAF_ITEMS
)) {
499 reiserfs_printk("FIRST ITEM_KEY: %k, LAST ITEM KEY: %k\n",
500 &(ih
->ih_key
), &((ih
+ nr
- 1)->ih_key
));
504 if (first
< 0 || first
> nr
- 1)
509 if (last
< 0 || last
> nr
)
516 ("-------------------------------------------------------------------------------\n");
518 ("|##| type | key | ilen | free_space | version | loc |\n");
519 for (i
= from
; i
< to
; i
++, ih
++) {
521 ("-------------------------------------------------------------------------------\n");
522 reiserfs_printk("|%2d| %h |\n", i
, ih
);
523 if (print_mode
& PRINT_LEAF_ITEMS
)
524 op_print_item(ih
, ih_item_body(bh
, ih
));
528 ("===================================================================\n");
533 char *reiserfs_hashname(int code
)
535 if (code
== YURA_HASH
)
537 if (code
== TEA_HASH
)
545 /* return 1 if this is not super block */
546 static int print_super_block(struct buffer_head
*bh
)
548 struct reiserfs_super_block
*rs
=
549 (struct reiserfs_super_block
*)(bh
->b_data
);
550 int skipped
, data_blocks
;
553 if (is_reiserfs_3_5(rs
)) {
555 } else if (is_reiserfs_3_6(rs
)) {
557 } else if (is_reiserfs_jr(rs
)) {
558 version
= ((sb_version(rs
) == REISERFS_VERSION_2
) ?
564 printk("%pg\'s super block is in block %llu\n", bh
->b_bdev
,
565 (unsigned long long)bh
->b_blocknr
);
566 printk("Reiserfs version %s\n", version
);
567 printk("Block count %u\n", sb_block_count(rs
));
568 printk("Blocksize %d\n", sb_blocksize(rs
));
569 printk("Free blocks %u\n", sb_free_blocks(rs
));
571 * FIXME: this would be confusing if
572 * someone stores reiserfs super block in some data block ;)
573 // skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
575 skipped
= bh
->b_blocknr
;
576 data_blocks
= sb_block_count(rs
) - skipped
- 1 - sb_bmap_nr(rs
) -
577 (!is_reiserfs_jr(rs
) ? sb_jp_journal_size(rs
) +
578 1 : sb_reserved_for_journal(rs
)) - sb_free_blocks(rs
);
580 ("Busy blocks (skipped %d, bitmaps - %d, journal (or reserved) blocks - %d\n"
581 "1 super block, %d data blocks\n", skipped
, sb_bmap_nr(rs
),
582 (!is_reiserfs_jr(rs
) ? (sb_jp_journal_size(rs
) + 1) :
583 sb_reserved_for_journal(rs
)), data_blocks
);
584 printk("Root block %u\n", sb_root_block(rs
));
585 printk("Journal block (first) %d\n", sb_jp_journal_1st_block(rs
));
586 printk("Journal dev %d\n", sb_jp_journal_dev(rs
));
587 printk("Journal orig size %d\n", sb_jp_journal_size(rs
));
588 printk("FS state %d\n", sb_fs_state(rs
));
589 printk("Hash function \"%s\"\n",
590 reiserfs_hashname(sb_hash_function_code(rs
)));
592 printk("Tree height %d\n", sb_tree_height(rs
));
596 static int print_desc_block(struct buffer_head
*bh
)
598 struct reiserfs_journal_desc
*desc
;
600 if (memcmp(get_journal_desc_magic(bh
), JOURNAL_DESC_MAGIC
, 8))
603 desc
= (struct reiserfs_journal_desc
*)(bh
->b_data
);
604 printk("Desc block %llu (j_trans_id %d, j_mount_id %d, j_len %d)",
605 (unsigned long long)bh
->b_blocknr
, get_desc_trans_id(desc
),
606 get_desc_mount_id(desc
), get_desc_trans_len(desc
));
610 /* ..., int print_mode, int first, int last) */
611 void print_block(struct buffer_head
*bh
, ...)
614 int mode
, first
, last
;
617 printk("print_block: buffer is NULL\n");
623 mode
= va_arg(args
, int);
624 first
= va_arg(args
, int);
625 last
= va_arg(args
, int);
626 if (print_leaf(bh
, mode
, first
, last
))
627 if (print_internal(bh
, first
, last
))
628 if (print_super_block(bh
))
629 if (print_desc_block(bh
))
631 ("Block %llu contains unformatted data\n",
632 (unsigned long long)bh
->b_blocknr
);
637 static char print_tb_buf
[2048];
639 /* this stores initial state of tree balance in the print_tb_buf */
640 void store_print_tb(struct tree_balance
*tb
)
644 struct buffer_head
*tbSh
, *tbFh
;
649 sprintf(print_tb_buf
, "\n"
651 "MODE=%c, ITEM_POS=%d POS_IN_ITEM=%d\n"
652 "=====================================================================\n"
653 "* h * S * L * R * F * FL * FR * CFL * CFR *\n",
654 REISERFS_SB(tb
->tb_sb
)->s_do_balance
,
655 tb
->tb_mode
, PATH_LAST_POSITION(tb
->tb_path
),
656 tb
->tb_path
->pos_in_item
);
658 for (h
= 0; h
< ARRAY_SIZE(tb
->insert_size
); h
++) {
659 if (PATH_H_PATH_OFFSET(tb
->tb_path
, h
) <=
660 tb
->tb_path
->path_length
661 && PATH_H_PATH_OFFSET(tb
->tb_path
,
662 h
) > ILLEGAL_PATH_ELEMENT_OFFSET
) {
663 tbSh
= PATH_H_PBUFFER(tb
->tb_path
, h
);
664 tbFh
= PATH_H_PPARENT(tb
->tb_path
, h
);
669 sprintf(print_tb_buf
+ strlen(print_tb_buf
),
670 "* %d * %3lld(%2d) * %3lld(%2d) * %3lld(%2d) * %5lld * %5lld * %5lld * %5lld * %5lld *\n",
672 (tbSh
) ? (long long)(tbSh
->b_blocknr
) : (-1LL),
673 (tbSh
) ? atomic_read(&tbSh
->b_count
) : -1,
674 (tb
->L
[h
]) ? (long long)(tb
->L
[h
]->b_blocknr
) : (-1LL),
675 (tb
->L
[h
]) ? atomic_read(&tb
->L
[h
]->b_count
) : -1,
676 (tb
->R
[h
]) ? (long long)(tb
->R
[h
]->b_blocknr
) : (-1LL),
677 (tb
->R
[h
]) ? atomic_read(&tb
->R
[h
]->b_count
) : -1,
678 (tbFh
) ? (long long)(tbFh
->b_blocknr
) : (-1LL),
679 (tb
->FL
[h
]) ? (long long)(tb
->FL
[h
]->
681 (tb
->FR
[h
]) ? (long long)(tb
->FR
[h
]->
683 (tb
->CFL
[h
]) ? (long long)(tb
->CFL
[h
]->
685 (tb
->CFR
[h
]) ? (long long)(tb
->CFR
[h
]->
686 b_blocknr
) : (-1LL));
689 sprintf(print_tb_buf
+ strlen(print_tb_buf
),
690 "=====================================================================\n"
691 "* h * size * ln * lb * rn * rb * blkn * s0 * s1 * s1b * s2 * s2b * curb * lk * rk *\n"
692 "* 0 * %4d * %2d * %2d * %2d * %2d * %4d * %2d * %2d * %3d * %2d * %3d * %4d * %2d * %2d *\n",
693 tb
->insert_size
[0], tb
->lnum
[0], tb
->lbytes
, tb
->rnum
[0],
694 tb
->rbytes
, tb
->blknum
[0], tb
->s0num
, tb
->snum
[0],
695 tb
->sbytes
[0], tb
->snum
[1], tb
->sbytes
[1],
696 tb
->cur_blknum
, tb
->lkey
[0], tb
->rkey
[0]);
698 /* this prints balance parameters for non-leaf levels */
702 sprintf(print_tb_buf
+ strlen(print_tb_buf
),
703 "* %d * %4d * %2d * * %2d * * %2d *\n",
704 h
, tb
->insert_size
[h
], tb
->lnum
[h
], tb
->rnum
[h
],
706 } while (tb
->insert_size
[h
]);
708 sprintf(print_tb_buf
+ strlen(print_tb_buf
),
709 "=====================================================================\n"
712 /* print FEB list (list of buffers in form (bh (b_blocknr, b_count), that will be used for new nodes) */
714 for (i
= 0; i
< ARRAY_SIZE(tb
->FEB
); i
++)
715 sprintf(print_tb_buf
+ strlen(print_tb_buf
),
716 "%p (%llu %d)%s", tb
->FEB
[i
],
717 tb
->FEB
[i
] ? (unsigned long long)tb
->FEB
[i
]->
719 tb
->FEB
[i
] ? atomic_read(&tb
->FEB
[i
]->b_count
) : 0,
720 (i
== ARRAY_SIZE(tb
->FEB
) - 1) ? "\n" : ", ");
722 sprintf(print_tb_buf
+ strlen(print_tb_buf
),
723 "======================== the end ====================================\n");
726 void print_cur_tb(char *mes
)
728 printk("%s\n%s", mes
, print_tb_buf
);
731 static void check_leaf_block_head(struct buffer_head
*bh
)
733 struct block_head
*blkh
;
736 blkh
= B_BLK_HEAD(bh
);
737 nr
= blkh_nr_item(blkh
);
738 if (nr
> (bh
->b_size
- BLKH_SIZE
) / IH_SIZE
)
739 reiserfs_panic(NULL
, "vs-6010", "invalid item number %z",
741 if (blkh_free_space(blkh
) > bh
->b_size
- BLKH_SIZE
- IH_SIZE
* nr
)
742 reiserfs_panic(NULL
, "vs-6020", "invalid free space %z",
747 static void check_internal_block_head(struct buffer_head
*bh
)
749 struct block_head
*blkh
;
751 blkh
= B_BLK_HEAD(bh
);
752 if (!(B_LEVEL(bh
) > DISK_LEAF_NODE_LEVEL
&& B_LEVEL(bh
) <= MAX_HEIGHT
))
753 reiserfs_panic(NULL
, "vs-6025", "invalid level %z", bh
);
755 if (B_NR_ITEMS(bh
) > (bh
->b_size
- BLKH_SIZE
) / IH_SIZE
)
756 reiserfs_panic(NULL
, "vs-6030", "invalid item number %z", bh
);
758 if (B_FREE_SPACE(bh
) !=
759 bh
->b_size
- BLKH_SIZE
- KEY_SIZE
* B_NR_ITEMS(bh
) -
760 DC_SIZE
* (B_NR_ITEMS(bh
) + 1))
761 reiserfs_panic(NULL
, "vs-6040", "invalid free space %z", bh
);
765 void check_leaf(struct buffer_head
*bh
)
768 struct item_head
*ih
;
772 check_leaf_block_head(bh
);
773 for (i
= 0, ih
= item_head(bh
, 0); i
< B_NR_ITEMS(bh
); i
++, ih
++)
774 op_check_item(ih
, ih_item_body(bh
, ih
));
777 void check_internal(struct buffer_head
*bh
)
781 check_internal_block_head(bh
);
784 void print_statistics(struct super_block
*s
)
788 printk ("reiserfs_put_super: session statistics: balances %d, fix_nodes %d, \
789 bmap with search %d, without %d, dir2ind %d, ind2dir %d\n",
790 REISERFS_SB(s)->s_do_balance, REISERFS_SB(s)->s_fix_nodes,
791 REISERFS_SB(s)->s_bmaps, REISERFS_SB(s)->s_bmaps_without_search,
792 REISERFS_SB(s)->s_direct2indirect, REISERFS_SB(s)->s_indirect2direct);