--- /dev/null
+/*
+ * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
+ */
+
+#include <linux/time.h>
+#include <linux/fs.h>
+#include "reiserfs.h"
+#include <linux/string.h>
+#include <linux/buffer_head.h>
+
+#include <stdarg.h>
+
+static char error_buf[1024];
+static char fmt_buf[1024];
+static char off_buf[80];
+
+static char *reiserfs_cpu_offset(struct cpu_key *key)
+{
+ if (cpu_key_k_type(key) == TYPE_DIRENTRY)
+ sprintf(off_buf, "%llu(%llu)",
+ (unsigned long long)
+ GET_HASH_VALUE(cpu_key_k_offset(key)),
+ (unsigned long long)
+ GET_GENERATION_NUMBER(cpu_key_k_offset(key)));
+ else
+ sprintf(off_buf, "0x%Lx",
+ (unsigned long long)cpu_key_k_offset(key));
+ return off_buf;
+}
+
+static char *le_offset(struct reiserfs_key *key)
+{
+ int version;
+
+ version = le_key_version(key);
+ if (le_key_k_type(version, key) == TYPE_DIRENTRY)
+ sprintf(off_buf, "%llu(%llu)",
+ (unsigned long long)
+ GET_HASH_VALUE(le_key_k_offset(version, key)),
+ (unsigned long long)
+ GET_GENERATION_NUMBER(le_key_k_offset(version, key)));
+ else
+ sprintf(off_buf, "0x%Lx",
+ (unsigned long long)le_key_k_offset(version, key));
+ return off_buf;
+}
+
+static char *cpu_type(struct cpu_key *key)
+{
+ if (cpu_key_k_type(key) == TYPE_STAT_DATA)
+ return "SD";
+ if (cpu_key_k_type(key) == TYPE_DIRENTRY)
+ return "DIR";
+ if (cpu_key_k_type(key) == TYPE_DIRECT)
+ return "DIRECT";
+ if (cpu_key_k_type(key) == TYPE_INDIRECT)
+ return "IND";
+ return "UNKNOWN";
+}
+
+static char *le_type(struct reiserfs_key *key)
+{
+ int version;
+
+ version = le_key_version(key);
+
+ if (le_key_k_type(version, key) == TYPE_STAT_DATA)
+ return "SD";
+ if (le_key_k_type(version, key) == TYPE_DIRENTRY)
+ return "DIR";
+ if (le_key_k_type(version, key) == TYPE_DIRECT)
+ return "DIRECT";
+ if (le_key_k_type(version, key) == TYPE_INDIRECT)
+ return "IND";
+ return "UNKNOWN";
+}
+
+/* %k */
+static void sprintf_le_key(char *buf, struct reiserfs_key *key)
+{
+ if (key)
+ sprintf(buf, "[%d %d %s %s]", le32_to_cpu(key->k_dir_id),
+ le32_to_cpu(key->k_objectid), le_offset(key),
+ le_type(key));
+ else
+ sprintf(buf, "[NULL]");
+}
+
+/* %K */
+static void sprintf_cpu_key(char *buf, struct cpu_key *key)
+{
+ if (key)
+ sprintf(buf, "[%d %d %s %s]", key->on_disk_key.k_dir_id,
+ key->on_disk_key.k_objectid, reiserfs_cpu_offset(key),
+ cpu_type(key));
+ else
+ sprintf(buf, "[NULL]");
+}
+
+static void sprintf_de_head(char *buf, struct reiserfs_de_head *deh)
+{
+ if (deh)
+ sprintf(buf,
+ "[offset=%d dir_id=%d objectid=%d location=%d state=%04x]",
+ deh_offset(deh), deh_dir_id(deh), deh_objectid(deh),
+ deh_location(deh), deh_state(deh));
+ else
+ sprintf(buf, "[NULL]");
+
+}
+
+static void sprintf_item_head(char *buf, struct item_head *ih)
+{
+ if (ih) {
+ strcpy(buf,
+ (ih_version(ih) == KEY_FORMAT_3_6) ? "*3.6* " : "*3.5*");
+ sprintf_le_key(buf + strlen(buf), &(ih->ih_key));
+ sprintf(buf + strlen(buf), ", item_len %d, item_location %d, "
+ "free_space(entry_count) %d",
+ ih_item_len(ih), ih_location(ih), ih_free_space(ih));
+ } else
+ sprintf(buf, "[NULL]");
+}
+
+static void sprintf_direntry(char *buf, struct reiserfs_dir_entry *de)
+{
+ char name[20];
+
+ memcpy(name, de->de_name, de->de_namelen > 19 ? 19 : de->de_namelen);
+ name[de->de_namelen > 19 ? 19 : de->de_namelen] = 0;
+ sprintf(buf, "\"%s\"==>[%d %d]", name, de->de_dir_id, de->de_objectid);
+}
+
+static void sprintf_block_head(char *buf, struct buffer_head *bh)
+{
+ sprintf(buf, "level=%d, nr_items=%d, free_space=%d rdkey ",
+ B_LEVEL(bh), B_NR_ITEMS(bh), B_FREE_SPACE(bh));
+}
+
+static void sprintf_buffer_head(char *buf, struct buffer_head *bh)
+{
+ char b[BDEVNAME_SIZE];
+
+ sprintf(buf,
+ "dev %s, size %zd, blocknr %llu, count %d, state 0x%lx, page %p, (%s, %s, %s)",
+ bdevname(bh->b_bdev, b), bh->b_size,
+ (unsigned long long)bh->b_blocknr, atomic_read(&(bh->b_count)),
+ bh->b_state, bh->b_page,
+ buffer_uptodate(bh) ? "UPTODATE" : "!UPTODATE",
+ buffer_dirty(bh) ? "DIRTY" : "CLEAN",
+ buffer_locked(bh) ? "LOCKED" : "UNLOCKED");
+}
+
+static void sprintf_disk_child(char *buf, struct disk_child *dc)
+{
+ sprintf(buf, "[dc_number=%d, dc_size=%u]", dc_block_number(dc),
+ dc_size(dc));
+}
+
+static char *is_there_reiserfs_struct(char *fmt, int *what)
+{
+ char *k = fmt;
+
+ while ((k = strchr(k, '%')) != NULL) {
+ if (k[1] == 'k' || k[1] == 'K' || k[1] == 'h' || k[1] == 't' ||
+ k[1] == 'z' || k[1] == 'b' || k[1] == 'y' || k[1] == 'a') {
+ *what = k[1];
+ break;
+ }
+ k++;
+ }
+ return k;
+}
+
+/*
+ * debugging reiserfs we used to print out a lot of different
+ * variables, like keys, item headers, buffer heads etc. Values of
+ * most fields matter. So it took a long time just to write
+ * appropriative printk. With this reiserfs_warning you can use format
+ * specification for complex structures like you used to do with
+ * printfs for integers, doubles and pointers. For instance, to print
+ * out key structure you have to write just:
+ * reiserfs_warning ("bad key %k", key);
+ * instead of
+ * printk ("bad key %lu %lu %lu %lu", key->k_dir_id, key->k_objectid,
+ * key->k_offset, key->k_uniqueness);
+ */
+static DEFINE_SPINLOCK(error_lock);
+static void prepare_error_buf(const char *fmt, va_list args)
+{
+ char *fmt1 = fmt_buf;
+ char *k;
+ char *p = error_buf;
+ int what;
+
+ spin_lock(&error_lock);
+
+ strcpy(fmt1, fmt);
+
+ while ((k = is_there_reiserfs_struct(fmt1, &what)) != NULL) {
+ *k = 0;
+
+ p += vsprintf(p, fmt1, args);
+
+ switch (what) {
+ case 'k':
+ sprintf_le_key(p, va_arg(args, struct reiserfs_key *));
+ break;
+ case 'K':
+ sprintf_cpu_key(p, va_arg(args, struct cpu_key *));
+ break;
+ case 'h':
+ sprintf_item_head(p, va_arg(args, struct item_head *));
+ break;
+ case 't':
+ sprintf_direntry(p,
+ va_arg(args,
+ struct reiserfs_dir_entry *));
+ break;
+ case 'y':
+ sprintf_disk_child(p,
+ va_arg(args, struct disk_child *));
+ break;
+ case 'z':
+ sprintf_block_head(p,
+ va_arg(args, struct buffer_head *));
+ break;
+ case 'b':
+ sprintf_buffer_head(p,
+ va_arg(args, struct buffer_head *));
+ break;
+ case 'a':
+ sprintf_de_head(p,
+ va_arg(args,
+ struct reiserfs_de_head *));
+ break;
+ }
+
+ p += strlen(p);
+ fmt1 = k + 2;
+ }
+ vsprintf(p, fmt1, args);
+ spin_unlock(&error_lock);
+
+}
+
+/*
+ * in addition to usual conversion specifiers this accepts reiserfs
+ * specific conversion specifiers:
+ * %k to print little endian key,
+ * %K to print cpu key,
+ * %h to print item_head,
+ * %t to print directory entry
+ * %z to print block head (arg must be struct buffer_head *
+ * %b to print buffer_head
+ */
+
+#define do_reiserfs_warning(fmt)\
+{\
+ va_list args;\
+ va_start( args, fmt );\
+ prepare_error_buf( fmt, args );\
+ va_end( args );\
+}
+
+void __reiserfs_warning(struct super_block *sb, const char *id,
+ const char *function, const char *fmt, ...)
+{
+ do_reiserfs_warning(fmt);
+ if (sb)
+ printk(KERN_WARNING "REISERFS warning (device %s): %s%s%s: "
+ "%s\n", sb->s_id, id ? id : "", id ? " " : "",
+ function, error_buf);
+ else
+ printk(KERN_WARNING "REISERFS warning: %s%s%s: %s\n",
+ id ? id : "", id ? " " : "", function, error_buf);
+}
+
+/* No newline.. reiserfs_info calls can be followed by printk's */
+void reiserfs_info(struct super_block *sb, const char *fmt, ...)
+{
+ do_reiserfs_warning(fmt);
+ if (sb)
+ printk(KERN_NOTICE "REISERFS (device %s): %s",
+ sb->s_id, error_buf);
+ else
+ printk(KERN_NOTICE "REISERFS %s:", error_buf);
+}
+
+/* No newline.. reiserfs_printk calls can be followed by printk's */
+static void reiserfs_printk(const char *fmt, ...)
+{
+ do_reiserfs_warning(fmt);
+ printk(error_buf);
+}
+
+void reiserfs_debug(struct super_block *s, int level, const char *fmt, ...)
+{
+#ifdef CONFIG_REISERFS_CHECK
+ do_reiserfs_warning(fmt);
+ if (s)
+ printk(KERN_DEBUG "REISERFS debug (device %s): %s\n",
+ s->s_id, error_buf);
+ else
+ printk(KERN_DEBUG "REISERFS debug: %s\n", error_buf);
+#endif
+}
+
+/*
+ * The format:
+ *
+ * maintainer-errorid: [function-name:] message
+ *
+ * where errorid is unique to the maintainer and function-name is
+ * optional, is recommended, so that anyone can easily find the bug
+ * with a simple grep for the short to type string
+ * maintainer-errorid. Don't bother with reusing errorids, there are
+ * lots of numbers out there.
+ *
+ * Example:
+ *
+ * reiserfs_panic(
+ * p_sb, "reiser-29: reiserfs_new_blocknrs: "
+ * "one of search_start or rn(%d) is equal to MAX_B_NUM,"
+ * "which means that we are optimizing location based on the "
+ * "bogus location of a temp buffer (%p).",
+ * rn, bh
+ * );
+ *
+ * Regular panic()s sometimes clear the screen before the message can
+ * be read, thus the need for the while loop.
+ *
+ * Numbering scheme for panic used by Vladimir and Anatoly( Hans completely
+ * ignores this scheme, and considers it pointless complexity):
+ *
+ * panics in reiserfs_fs.h have numbers from 1000 to 1999
+ * super.c 2000 to 2999
+ * preserve.c (unused) 3000 to 3999
+ * bitmap.c 4000 to 4999
+ * stree.c 5000 to 5999
+ * prints.c 6000 to 6999
+ * namei.c 7000 to 7999
+ * fix_nodes.c 8000 to 8999
+ * dir.c 9000 to 9999
+ * lbalance.c 10000 to 10999
+ * ibalance.c 11000 to 11999 not ready
+ * do_balan.c 12000 to 12999
+ * inode.c 13000 to 13999
+ * file.c 14000 to 14999
+ * objectid.c 15000 - 15999
+ * buffer.c 16000 - 16999
+ * symlink.c 17000 - 17999
+ *
+ * . */
+
+void __reiserfs_panic(struct super_block *sb, const char *id,
+ const char *function, const char *fmt, ...)
+{
+ do_reiserfs_warning(fmt);
+
+#ifdef CONFIG_REISERFS_CHECK
+ dump_stack();
+#endif
+ if (sb)
+ printk(KERN_WARNING "REISERFS panic (device %s): %s%s%s: %s\n",
+ sb->s_id, id ? id : "", id ? " " : "",
+ function, error_buf);
+ else
+ printk(KERN_WARNING "REISERFS panic: %s%s%s: %s\n",
+ id ? id : "", id ? " " : "", function, error_buf);
+ BUG();
+}
+
+void __reiserfs_error(struct super_block *sb, const char *id,
+ const char *function, const char *fmt, ...)
+{
+ do_reiserfs_warning(fmt);
+
+ BUG_ON(sb == NULL);
+
+ if (reiserfs_error_panic(sb))
+ __reiserfs_panic(sb, id, function, error_buf);
+
+ if (id && id[0])
+ printk(KERN_CRIT "REISERFS error (device %s): %s %s: %s\n",
+ sb->s_id, id, function, error_buf);
+ else
+ printk(KERN_CRIT "REISERFS error (device %s): %s: %s\n",
+ sb->s_id, function, error_buf);
+
+ if (sb->s_flags & MS_RDONLY)
+ return;
+
+ reiserfs_info(sb, "Remounting filesystem read-only\n");
+ sb->s_flags |= MS_RDONLY;
+ reiserfs_abort_journal(sb, -EIO);
+}
+
+void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...)
+{
+ do_reiserfs_warning(fmt);
+
+ if (reiserfs_error_panic(sb)) {
+ panic(KERN_CRIT "REISERFS panic (device %s): %s\n", sb->s_id,
+ error_buf);
+ }
+
+ if (reiserfs_is_journal_aborted(SB_JOURNAL(sb)))
+ return;
+
+ printk(KERN_CRIT "REISERFS abort (device %s): %s\n", sb->s_id,
+ error_buf);
+
+ sb->s_flags |= MS_RDONLY;
+ reiserfs_abort_journal(sb, errno);
+}
+
+/*
+ * this prints internal nodes (4 keys/items in line) (dc_number,
+ * dc_size)[k_dirid, k_objectid, k_offset, k_uniqueness](dc_number,
+ * dc_size)...
+ */
+static int print_internal(struct buffer_head *bh, int first, int last)
+{
+ struct reiserfs_key *key;
+ struct disk_child *dc;
+ int i;
+ int from, to;
+
+ if (!B_IS_KEYS_LEVEL(bh))
+ return 1;
+
+ check_internal(bh);
+
+ if (first == -1) {
+ from = 0;
+ to = B_NR_ITEMS(bh);
+ } else {
+ from = first;
+ to = last < B_NR_ITEMS(bh) ? last : B_NR_ITEMS(bh);
+ }
+
+ reiserfs_printk("INTERNAL NODE (%ld) contains %z\n", bh->b_blocknr, bh);
+
+ dc = B_N_CHILD(bh, from);
+ reiserfs_printk("PTR %d: %y ", from, dc);
+
+ for (i = from, key = internal_key(bh, from), dc++; i < to;
+ i++, key++, dc++) {
+ reiserfs_printk("KEY %d: %k PTR %d: %y ", i, key, i + 1, dc);
+ if (i && i % 4 == 0)
+ printk("\n");
+ }
+ printk("\n");
+ return 0;
+}
+
+static int print_leaf(struct buffer_head *bh, int print_mode, int first,
+ int last)
+{
+ struct block_head *blkh;
+ struct item_head *ih;
+ int i, nr;
+ int from, to;
+
+ if (!B_IS_ITEMS_LEVEL(bh))
+ return 1;
+
+ check_leaf(bh);
+
+ blkh = B_BLK_HEAD(bh);
+ ih = item_head(bh, 0);
+ nr = blkh_nr_item(blkh);
+
+ printk
+ ("\n===================================================================\n");
+ reiserfs_printk("LEAF NODE (%ld) contains %z\n", bh->b_blocknr, bh);
+
+ if (!(print_mode & PRINT_LEAF_ITEMS)) {
+ reiserfs_printk("FIRST ITEM_KEY: %k, LAST ITEM KEY: %k\n",
+ &(ih->ih_key), &((ih + nr - 1)->ih_key));
+ return 0;
+ }
+
+ if (first < 0 || first > nr - 1)
+ from = 0;
+ else
+ from = first;
+
+ if (last < 0 || last > nr)
+ to = nr;
+ else
+ to = last;
+
+ ih += from;
+ printk
+ ("-------------------------------------------------------------------------------\n");
+ printk
+ ("|##| type | key | ilen | free_space | version | loc |\n");
+ for (i = from; i < to; i++, ih++) {
+ printk
+ ("-------------------------------------------------------------------------------\n");
+ reiserfs_printk("|%2d| %h |\n", i, ih);
+ if (print_mode & PRINT_LEAF_ITEMS)
+ op_print_item(ih, ih_item_body(bh, ih));
+ }
+
+ printk
+ ("===================================================================\n");
+
+ return 0;
+}
+
+char *reiserfs_hashname(int code)
+{
+ if (code == YURA_HASH)
+ return "rupasov";
+ if (code == TEA_HASH)
+ return "tea";
+ if (code == R5_HASH)
+ return "r5";
+
+ return "unknown";
+}
+
+/* return 1 if this is not super block */
+static int print_super_block(struct buffer_head *bh)
+{
+ struct reiserfs_super_block *rs =
+ (struct reiserfs_super_block *)(bh->b_data);
+ int skipped, data_blocks;
+ char *version;
+ char b[BDEVNAME_SIZE];
+
+ if (is_reiserfs_3_5(rs)) {
+ version = "3.5";
+ } else if (is_reiserfs_3_6(rs)) {
+ version = "3.6";
+ } else if (is_reiserfs_jr(rs)) {
+ version = ((sb_version(rs) == REISERFS_VERSION_2) ?
+ "3.6" : "3.5");
+ } else {
+ return 1;
+ }
+
+ printk("%s\'s super block is in block %llu\n", bdevname(bh->b_bdev, b),
+ (unsigned long long)bh->b_blocknr);
+ printk("Reiserfs version %s\n", version);
+ printk("Block count %u\n", sb_block_count(rs));
+ printk("Blocksize %d\n", sb_blocksize(rs));
+ printk("Free blocks %u\n", sb_free_blocks(rs));
+ /*
+ * FIXME: this would be confusing if
+ * someone stores reiserfs super block in some data block ;)
+// skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
+ */
+ skipped = bh->b_blocknr;
+ data_blocks = sb_block_count(rs) - skipped - 1 - sb_bmap_nr(rs) -
+ (!is_reiserfs_jr(rs) ? sb_jp_journal_size(rs) +
+ 1 : sb_reserved_for_journal(rs)) - sb_free_blocks(rs);
+ printk
+ ("Busy blocks (skipped %d, bitmaps - %d, journal (or reserved) blocks - %d\n"
+ "1 super block, %d data blocks\n", skipped, sb_bmap_nr(rs),
+ (!is_reiserfs_jr(rs) ? (sb_jp_journal_size(rs) + 1) :
+ sb_reserved_for_journal(rs)), data_blocks);
+ printk("Root block %u\n", sb_root_block(rs));
+ printk("Journal block (first) %d\n", sb_jp_journal_1st_block(rs));
+ printk("Journal dev %d\n", sb_jp_journal_dev(rs));
+ printk("Journal orig size %d\n", sb_jp_journal_size(rs));
+ printk("FS state %d\n", sb_fs_state(rs));
+ printk("Hash function \"%s\"\n",
+ reiserfs_hashname(sb_hash_function_code(rs)));
+
+ printk("Tree height %d\n", sb_tree_height(rs));
+ return 0;
+}
+
+static int print_desc_block(struct buffer_head *bh)
+{
+ struct reiserfs_journal_desc *desc;
+
+ if (memcmp(get_journal_desc_magic(bh), JOURNAL_DESC_MAGIC, 8))
+ return 1;
+
+ desc = (struct reiserfs_journal_desc *)(bh->b_data);
+ printk("Desc block %llu (j_trans_id %d, j_mount_id %d, j_len %d)",
+ (unsigned long long)bh->b_blocknr, get_desc_trans_id(desc),
+ get_desc_mount_id(desc), get_desc_trans_len(desc));
+
+ return 0;
+}
+/* ..., int print_mode, int first, int last) */
+void print_block(struct buffer_head *bh, ...)
+{
+ va_list args;
+ int mode, first, last;
+
+ if (!bh) {
+ printk("print_block: buffer is NULL\n");
+ return;
+ }
+
+ va_start(args, bh);
+
+ mode = va_arg(args, int);
+ first = va_arg(args, int);
+ last = va_arg(args, int);
+ if (print_leaf(bh, mode, first, last))
+ if (print_internal(bh, first, last))
+ if (print_super_block(bh))
+ if (print_desc_block(bh))
+ printk
+ ("Block %llu contains unformatted data\n",
+ (unsigned long long)bh->b_blocknr);
+
+ va_end(args);
+}
+
+static char print_tb_buf[2048];
+
+/* this stores initial state of tree balance in the print_tb_buf */
+void store_print_tb(struct tree_balance *tb)
+{
+ int h = 0;
+ int i;
+ struct buffer_head *tbSh, *tbFh;
+
+ if (!tb)
+ return;
+
+ sprintf(print_tb_buf, "\n"
+ "BALANCING %d\n"
+ "MODE=%c, ITEM_POS=%d POS_IN_ITEM=%d\n"
+ "=====================================================================\n"
+ "* h * S * L * R * F * FL * FR * CFL * CFR *\n",
+ REISERFS_SB(tb->tb_sb)->s_do_balance,
+ tb->tb_mode, PATH_LAST_POSITION(tb->tb_path),
+ tb->tb_path->pos_in_item);
+
+ for (h = 0; h < ARRAY_SIZE(tb->insert_size); h++) {
+ if (PATH_H_PATH_OFFSET(tb->tb_path, h) <=
+ tb->tb_path->path_length
+ && PATH_H_PATH_OFFSET(tb->tb_path,
+ h) > ILLEGAL_PATH_ELEMENT_OFFSET) {
+ tbSh = PATH_H_PBUFFER(tb->tb_path, h);
+ tbFh = PATH_H_PPARENT(tb->tb_path, h);
+ } else {
+ tbSh = NULL;
+ tbFh = NULL;
+ }
+ sprintf(print_tb_buf + strlen(print_tb_buf),
+ "* %d * %3lld(%2d) * %3lld(%2d) * %3lld(%2d) * %5lld * %5lld * %5lld * %5lld * %5lld *\n",
+ h,
+ (tbSh) ? (long long)(tbSh->b_blocknr) : (-1LL),
+ (tbSh) ? atomic_read(&tbSh->b_count) : -1,
+ (tb->L[h]) ? (long long)(tb->L[h]->b_blocknr) : (-1LL),
+ (tb->L[h]) ? atomic_read(&tb->L[h]->b_count) : -1,
+ (tb->R[h]) ? (long long)(tb->R[h]->b_blocknr) : (-1LL),
+ (tb->R[h]) ? atomic_read(&tb->R[h]->b_count) : -1,
+ (tbFh) ? (long long)(tbFh->b_blocknr) : (-1LL),
+ (tb->FL[h]) ? (long long)(tb->FL[h]->
+ b_blocknr) : (-1LL),
+ (tb->FR[h]) ? (long long)(tb->FR[h]->
+ b_blocknr) : (-1LL),
+ (tb->CFL[h]) ? (long long)(tb->CFL[h]->
+ b_blocknr) : (-1LL),
+ (tb->CFR[h]) ? (long long)(tb->CFR[h]->
+ b_blocknr) : (-1LL));
+ }
+
+ sprintf(print_tb_buf + strlen(print_tb_buf),
+ "=====================================================================\n"
+ "* h * size * ln * lb * rn * rb * blkn * s0 * s1 * s1b * s2 * s2b * curb * lk * rk *\n"
+ "* 0 * %4d * %2d * %2d * %2d * %2d * %4d * %2d * %2d * %3d * %2d * %3d * %4d * %2d * %2d *\n",
+ tb->insert_size[0], tb->lnum[0], tb->lbytes, tb->rnum[0],
+ tb->rbytes, tb->blknum[0], tb->s0num, tb->snum[0],
+ tb->sbytes[0], tb->snum[1], tb->sbytes[1],
+ tb->cur_blknum, tb->lkey[0], tb->rkey[0]);
+
+ /* this prints balance parameters for non-leaf levels */
+ h = 0;
+ do {
+ h++;
+ sprintf(print_tb_buf + strlen(print_tb_buf),
+ "* %d * %4d * %2d * * %2d * * %2d *\n",
+ h, tb->insert_size[h], tb->lnum[h], tb->rnum[h],
+ tb->blknum[h]);
+ } while (tb->insert_size[h]);
+
+ sprintf(print_tb_buf + strlen(print_tb_buf),
+ "=====================================================================\n"
+ "FEB list: ");
+
+ /* print FEB list (list of buffers in form (bh (b_blocknr, b_count), that will be used for new nodes) */
+ h = 0;
+ for (i = 0; i < ARRAY_SIZE(tb->FEB); i++)
+ sprintf(print_tb_buf + strlen(print_tb_buf),
+ "%p (%llu %d)%s", tb->FEB[i],
+ tb->FEB[i] ? (unsigned long long)tb->FEB[i]->
+ b_blocknr : 0ULL,
+ tb->FEB[i] ? atomic_read(&tb->FEB[i]->b_count) : 0,
+ (i == ARRAY_SIZE(tb->FEB) - 1) ? "\n" : ", ");
+
+ sprintf(print_tb_buf + strlen(print_tb_buf),
+ "======================== the end ====================================\n");
+}
+
+void print_cur_tb(char *mes)
+{
+ printk("%s\n%s", mes, print_tb_buf);
+}
+
+static void check_leaf_block_head(struct buffer_head *bh)
+{
+ struct block_head *blkh;
+ int nr;
+
+ blkh = B_BLK_HEAD(bh);
+ nr = blkh_nr_item(blkh);
+ if (nr > (bh->b_size - BLKH_SIZE) / IH_SIZE)
+ reiserfs_panic(NULL, "vs-6010", "invalid item number %z",
+ bh);
+ if (blkh_free_space(blkh) > bh->b_size - BLKH_SIZE - IH_SIZE * nr)
+ reiserfs_panic(NULL, "vs-6020", "invalid free space %z",
+ bh);
+
+}
+
+static void check_internal_block_head(struct buffer_head *bh)
+{
+ struct block_head *blkh;
+
+ blkh = B_BLK_HEAD(bh);
+ if (!(B_LEVEL(bh) > DISK_LEAF_NODE_LEVEL && B_LEVEL(bh) <= MAX_HEIGHT))
+ reiserfs_panic(NULL, "vs-6025", "invalid level %z", bh);
+
+ if (B_NR_ITEMS(bh) > (bh->b_size - BLKH_SIZE) / IH_SIZE)
+ reiserfs_panic(NULL, "vs-6030", "invalid item number %z", bh);
+
+ if (B_FREE_SPACE(bh) !=
+ bh->b_size - BLKH_SIZE - KEY_SIZE * B_NR_ITEMS(bh) -
+ DC_SIZE * (B_NR_ITEMS(bh) + 1))
+ reiserfs_panic(NULL, "vs-6040", "invalid free space %z", bh);
+
+}
+
+void check_leaf(struct buffer_head *bh)
+{
+ int i;
+ struct item_head *ih;
+
+ if (!bh)
+ return;
+ check_leaf_block_head(bh);
+ for (i = 0, ih = item_head(bh, 0); i < B_NR_ITEMS(bh); i++, ih++)
+ op_check_item(ih, ih_item_body(bh, ih));
+}
+
+void check_internal(struct buffer_head *bh)
+{
+ if (!bh)
+ return;
+ check_internal_block_head(bh);
+}
+
+void print_statistics(struct super_block *s)
+{
+
+ /*
+ printk ("reiserfs_put_super: session statistics: balances %d, fix_nodes %d, \
+ bmap with search %d, without %d, dir2ind %d, ind2dir %d\n",
+ REISERFS_SB(s)->s_do_balance, REISERFS_SB(s)->s_fix_nodes,
+ REISERFS_SB(s)->s_bmaps, REISERFS_SB(s)->s_bmaps_without_search,
+ REISERFS_SB(s)->s_direct2indirect, REISERFS_SB(s)->s_indirect2direct);
+ */
+
+}
Code Review / kvmfornfv.git / blobdiff