UBIFS: increase dumps loglevel
[pandora-kernel.git] / fs / ubifs / debug.c
index b09ba2d..3050628 100644 (file)
@@ -38,9 +38,6 @@
 
 DEFINE_SPINLOCK(dbg_lock);
 
-static char dbg_key_buf0[128];
-static char dbg_key_buf1[128];
-
 static const char *get_key_fmt(int fmt)
 {
        switch (fmt) {
@@ -103,8 +100,8 @@ static const char *get_dent_type(int type)
        }
 }
 
-static void sprintf_key(const struct ubifs_info *c, const union ubifs_key *key,
-                       char *buffer)
+const char *dbg_snprintf_key(const struct ubifs_info *c,
+                            const union ubifs_key *key, char *buffer, int len)
 {
        char *p = buffer;
        int type = key_type(c, key);
@@ -112,45 +109,34 @@ static void sprintf_key(const struct ubifs_info *c, const union ubifs_key *key,
        if (c->key_fmt == UBIFS_SIMPLE_KEY_FMT) {
                switch (type) {
                case UBIFS_INO_KEY:
-                       sprintf(p, "(%lu, %s)", (unsigned long)key_inum(c, key),
-                              get_key_type(type));
+                       len -= snprintf(p, len, "(%lu, %s)",
+                                       (unsigned long)key_inum(c, key),
+                                       get_key_type(type));
                        break;
                case UBIFS_DENT_KEY:
                case UBIFS_XENT_KEY:
-                       sprintf(p, "(%lu, %s, %#08x)",
-                               (unsigned long)key_inum(c, key),
-                               get_key_type(type), key_hash(c, key));
+                       len -= snprintf(p, len, "(%lu, %s, %#08x)",
+                                       (unsigned long)key_inum(c, key),
+                                       get_key_type(type), key_hash(c, key));
                        break;
                case UBIFS_DATA_KEY:
-                       sprintf(p, "(%lu, %s, %u)",
-                               (unsigned long)key_inum(c, key),
-                               get_key_type(type), key_block(c, key));
+                       len -= snprintf(p, len, "(%lu, %s, %u)",
+                                       (unsigned long)key_inum(c, key),
+                                       get_key_type(type), key_block(c, key));
                        break;
                case UBIFS_TRUN_KEY:
-                       sprintf(p, "(%lu, %s)",
-                               (unsigned long)key_inum(c, key),
-                               get_key_type(type));
+                       len -= snprintf(p, len, "(%lu, %s)",
+                                       (unsigned long)key_inum(c, key),
+                                       get_key_type(type));
                        break;
                default:
-                       sprintf(p, "(bad key type: %#08x, %#08x)",
-                               key->u32[0], key->u32[1]);
+                       len -= snprintf(p, len, "(bad key type: %#08x, %#08x)",
+                                       key->u32[0], key->u32[1]);
                }
        } else
-               sprintf(p, "bad key format %d", c->key_fmt);
-}
-
-const char *dbg_key_str0(const struct ubifs_info *c, const union ubifs_key *key)
-{
-       /* dbg_lock must be held */
-       sprintf_key(c, key, dbg_key_buf0);
-       return dbg_key_buf0;
-}
-
-const char *dbg_key_str1(const struct ubifs_info *c, const union ubifs_key *key)
-{
-       /* dbg_lock must be held */
-       sprintf_key(c, key, dbg_key_buf1);
-       return dbg_key_buf1;
+               len -= snprintf(p, len, "bad key format %d", c->key_fmt);
+       ubifs_assert(len > 0);
+       return p;
 }
 
 const char *dbg_ntype(int type)
@@ -235,15 +221,15 @@ const char *dbg_jhead(int jhead)
 
 static void dump_ch(const struct ubifs_ch *ch)
 {
-       printk(KERN_DEBUG "\tmagic          %#x\n", le32_to_cpu(ch->magic));
-       printk(KERN_DEBUG "\tcrc            %#x\n", le32_to_cpu(ch->crc));
-       printk(KERN_DEBUG "\tnode_type      %d (%s)\n", ch->node_type,
+       printk(KERN_ERR "\tmagic          %#x\n", le32_to_cpu(ch->magic));
+       printk(KERN_ERR "\tcrc            %#x\n", le32_to_cpu(ch->crc));
+       printk(KERN_ERR "\tnode_type      %d (%s)\n", ch->node_type,
               dbg_ntype(ch->node_type));
-       printk(KERN_DEBUG "\tgroup_type     %d (%s)\n", ch->group_type,
+       printk(KERN_ERR "\tgroup_type     %d (%s)\n", ch->group_type,
               dbg_gtype(ch->group_type));
-       printk(KERN_DEBUG "\tsqnum          %llu\n",
+       printk(KERN_ERR "\tsqnum          %llu\n",
               (unsigned long long)le64_to_cpu(ch->sqnum));
-       printk(KERN_DEBUG "\tlen            %u\n", le32_to_cpu(ch->len));
+       printk(KERN_ERR "\tlen            %u\n", le32_to_cpu(ch->len));
 }
 
 void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode)
@@ -254,43 +240,43 @@ void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode)
        struct ubifs_dent_node *dent, *pdent = NULL;
        int count = 2;
 
-       printk(KERN_DEBUG "Dump in-memory inode:");
-       printk(KERN_DEBUG "\tinode          %lu\n", inode->i_ino);
-       printk(KERN_DEBUG "\tsize           %llu\n",
+       printk(KERN_ERR "Dump in-memory inode:");
+       printk(KERN_ERR "\tinode          %lu\n", inode->i_ino);
+       printk(KERN_ERR "\tsize           %llu\n",
               (unsigned long long)i_size_read(inode));
-       printk(KERN_DEBUG "\tnlink          %u\n", inode->i_nlink);
-       printk(KERN_DEBUG "\tuid            %u\n", (unsigned int)inode->i_uid);
-       printk(KERN_DEBUG "\tgid            %u\n", (unsigned int)inode->i_gid);
-       printk(KERN_DEBUG "\tatime          %u.%u\n",
+       printk(KERN_ERR "\tnlink          %u\n", inode->i_nlink);
+       printk(KERN_ERR "\tuid            %u\n", (unsigned int)inode->i_uid);
+       printk(KERN_ERR "\tgid            %u\n", (unsigned int)inode->i_gid);
+       printk(KERN_ERR "\tatime          %u.%u\n",
               (unsigned int)inode->i_atime.tv_sec,
               (unsigned int)inode->i_atime.tv_nsec);
-       printk(KERN_DEBUG "\tmtime          %u.%u\n",
+       printk(KERN_ERR "\tmtime          %u.%u\n",
               (unsigned int)inode->i_mtime.tv_sec,
               (unsigned int)inode->i_mtime.tv_nsec);
-       printk(KERN_DEBUG "\tctime          %u.%u\n",
+       printk(KERN_ERR "\tctime          %u.%u\n",
               (unsigned int)inode->i_ctime.tv_sec,
               (unsigned int)inode->i_ctime.tv_nsec);
-       printk(KERN_DEBUG "\tcreat_sqnum    %llu\n", ui->creat_sqnum);
-       printk(KERN_DEBUG "\txattr_size     %u\n", ui->xattr_size);
-       printk(KERN_DEBUG "\txattr_cnt      %u\n", ui->xattr_cnt);
-       printk(KERN_DEBUG "\txattr_names    %u\n", ui->xattr_names);
-       printk(KERN_DEBUG "\tdirty          %u\n", ui->dirty);
-       printk(KERN_DEBUG "\txattr          %u\n", ui->xattr);
-       printk(KERN_DEBUG "\tbulk_read      %u\n", ui->xattr);
-       printk(KERN_DEBUG "\tsynced_i_size  %llu\n",
+       printk(KERN_ERR "\tcreat_sqnum    %llu\n", ui->creat_sqnum);
+       printk(KERN_ERR "\txattr_size     %u\n", ui->xattr_size);
+       printk(KERN_ERR "\txattr_cnt      %u\n", ui->xattr_cnt);
+       printk(KERN_ERR "\txattr_names    %u\n", ui->xattr_names);
+       printk(KERN_ERR "\tdirty          %u\n", ui->dirty);
+       printk(KERN_ERR "\txattr          %u\n", ui->xattr);
+       printk(KERN_ERR "\tbulk_read      %u\n", ui->xattr);
+       printk(KERN_ERR "\tsynced_i_size  %llu\n",
               (unsigned long long)ui->synced_i_size);
-       printk(KERN_DEBUG "\tui_size        %llu\n",
+       printk(KERN_ERR "\tui_size        %llu\n",
               (unsigned long long)ui->ui_size);
-       printk(KERN_DEBUG "\tflags          %d\n", ui->flags);
-       printk(KERN_DEBUG "\tcompr_type     %d\n", ui->compr_type);
-       printk(KERN_DEBUG "\tlast_page_read %lu\n", ui->last_page_read);
-       printk(KERN_DEBUG "\tread_in_a_row  %lu\n", ui->read_in_a_row);
-       printk(KERN_DEBUG "\tdata_len       %d\n", ui->data_len);
+       printk(KERN_ERR "\tflags          %d\n", ui->flags);
+       printk(KERN_ERR "\tcompr_type     %d\n", ui->compr_type);
+       printk(KERN_ERR "\tlast_page_read %lu\n", ui->last_page_read);
+       printk(KERN_ERR "\tread_in_a_row  %lu\n", ui->read_in_a_row);
+       printk(KERN_ERR "\tdata_len       %d\n", ui->data_len);
 
        if (!S_ISDIR(inode->i_mode))
                return;
 
-       printk(KERN_DEBUG "List of directory entries:\n");
+       printk(KERN_ERR "List of directory entries:\n");
        ubifs_assert(!mutex_is_locked(&c->tnc_mutex));
 
        lowest_dent_key(c, &key, inode->i_ino);
@@ -298,11 +284,11 @@ void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode)
                dent = ubifs_tnc_next_ent(c, &key, &nm);
                if (IS_ERR(dent)) {
                        if (PTR_ERR(dent) != -ENOENT)
-                               printk(KERN_DEBUG "error %ld\n", PTR_ERR(dent));
+                               printk(KERN_ERR "error %ld\n", PTR_ERR(dent));
                        break;
                }
 
-               printk(KERN_DEBUG "\t%d: %s (%s)\n",
+               printk(KERN_ERR "\t%d: %s (%s)\n",
                       count++, dent->name, get_dent_type(dent->type));
 
                nm.name = dent->name;
@@ -319,14 +305,15 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
        int i, n;
        union ubifs_key key;
        const struct ubifs_ch *ch = node;
+       char key_buf[DBG_KEY_BUF_LEN];
 
        if (dbg_is_tst_rcvry(c))
                return;
 
        /* If the magic is incorrect, just hexdump the first bytes */
        if (le32_to_cpu(ch->magic) != UBIFS_NODE_MAGIC) {
-               printk(KERN_DEBUG "Not a node, first %zu bytes:", UBIFS_CH_SZ);
-               print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
+               printk(KERN_ERR "Not a node, first %zu bytes:", UBIFS_CH_SZ);
+               print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 32, 1,
                               (void *)node, UBIFS_CH_SZ, 1);
                return;
        }
@@ -339,7 +326,7 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
        {
                const struct ubifs_pad_node *pad = node;
 
-               printk(KERN_DEBUG "\tpad_len        %u\n",
+               printk(KERN_ERR "\tpad_len        %u\n",
                       le32_to_cpu(pad->pad_len));
                break;
        }
@@ -348,50 +335,50 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
                const struct ubifs_sb_node *sup = node;
                unsigned int sup_flags = le32_to_cpu(sup->flags);
 
-               printk(KERN_DEBUG "\tkey_hash       %d (%s)\n",
+               printk(KERN_ERR "\tkey_hash       %d (%s)\n",
                       (int)sup->key_hash, get_key_hash(sup->key_hash));
-               printk(KERN_DEBUG "\tkey_fmt        %d (%s)\n",
+               printk(KERN_ERR "\tkey_fmt        %d (%s)\n",
                       (int)sup->key_fmt, get_key_fmt(sup->key_fmt));
-               printk(KERN_DEBUG "\tflags          %#x\n", sup_flags);
-               printk(KERN_DEBUG "\t  big_lpt      %u\n",
+               printk(KERN_ERR "\tflags          %#x\n", sup_flags);
+               printk(KERN_ERR "\t  big_lpt      %u\n",
                       !!(sup_flags & UBIFS_FLG_BIGLPT));
-               printk(KERN_DEBUG "\t  space_fixup  %u\n",
+               printk(KERN_ERR "\t  space_fixup  %u\n",
                       !!(sup_flags & UBIFS_FLG_SPACE_FIXUP));
-               printk(KERN_DEBUG "\tmin_io_size    %u\n",
+               printk(KERN_ERR "\tmin_io_size    %u\n",
                       le32_to_cpu(sup->min_io_size));
-               printk(KERN_DEBUG "\tleb_size       %u\n",
+               printk(KERN_ERR "\tleb_size       %u\n",
                       le32_to_cpu(sup->leb_size));
-               printk(KERN_DEBUG "\tleb_cnt        %u\n",
+               printk(KERN_ERR "\tleb_cnt        %u\n",
                       le32_to_cpu(sup->leb_cnt));
-               printk(KERN_DEBUG "\tmax_leb_cnt    %u\n",
+               printk(KERN_ERR "\tmax_leb_cnt    %u\n",
                       le32_to_cpu(sup->max_leb_cnt));
-               printk(KERN_DEBUG "\tmax_bud_bytes  %llu\n",
+               printk(KERN_ERR "\tmax_bud_bytes  %llu\n",
                       (unsigned long long)le64_to_cpu(sup->max_bud_bytes));
-               printk(KERN_DEBUG "\tlog_lebs       %u\n",
+               printk(KERN_ERR "\tlog_lebs       %u\n",
                       le32_to_cpu(sup->log_lebs));
-               printk(KERN_DEBUG "\tlpt_lebs       %u\n",
+               printk(KERN_ERR "\tlpt_lebs       %u\n",
                       le32_to_cpu(sup->lpt_lebs));
-               printk(KERN_DEBUG "\torph_lebs      %u\n",
+               printk(KERN_ERR "\torph_lebs      %u\n",
                       le32_to_cpu(sup->orph_lebs));
-               printk(KERN_DEBUG "\tjhead_cnt      %u\n",
+               printk(KERN_ERR "\tjhead_cnt      %u\n",
                       le32_to_cpu(sup->jhead_cnt));
-               printk(KERN_DEBUG "\tfanout         %u\n",
+               printk(KERN_ERR "\tfanout         %u\n",
                       le32_to_cpu(sup->fanout));
-               printk(KERN_DEBUG "\tlsave_cnt      %u\n",
+               printk(KERN_ERR "\tlsave_cnt      %u\n",
                       le32_to_cpu(sup->lsave_cnt));
-               printk(KERN_DEBUG "\tdefault_compr  %u\n",
+               printk(KERN_ERR "\tdefault_compr  %u\n",
                       (int)le16_to_cpu(sup->default_compr));
-               printk(KERN_DEBUG "\trp_size        %llu\n",
+               printk(KERN_ERR "\trp_size        %llu\n",
                       (unsigned long long)le64_to_cpu(sup->rp_size));
-               printk(KERN_DEBUG "\trp_uid         %u\n",
+               printk(KERN_ERR "\trp_uid         %u\n",
                       le32_to_cpu(sup->rp_uid));
-               printk(KERN_DEBUG "\trp_gid         %u\n",
+               printk(KERN_ERR "\trp_gid         %u\n",
                       le32_to_cpu(sup->rp_gid));
-               printk(KERN_DEBUG "\tfmt_version    %u\n",
+               printk(KERN_ERR "\tfmt_version    %u\n",
                       le32_to_cpu(sup->fmt_version));
-               printk(KERN_DEBUG "\ttime_gran      %u\n",
+               printk(KERN_ERR "\ttime_gran      %u\n",
                       le32_to_cpu(sup->time_gran));
-               printk(KERN_DEBUG "\tUUID           %pUB\n",
+               printk(KERN_ERR "\tUUID           %pUB\n",
                       sup->uuid);
                break;
        }
@@ -399,61 +386,61 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
        {
                const struct ubifs_mst_node *mst = node;
 
-               printk(KERN_DEBUG "\thighest_inum   %llu\n",
+               printk(KERN_ERR "\thighest_inum   %llu\n",
                       (unsigned long long)le64_to_cpu(mst->highest_inum));
-               printk(KERN_DEBUG "\tcommit number  %llu\n",
+               printk(KERN_ERR "\tcommit number  %llu\n",
                       (unsigned long long)le64_to_cpu(mst->cmt_no));
-               printk(KERN_DEBUG "\tflags          %#x\n",
+               printk(KERN_ERR "\tflags          %#x\n",
                       le32_to_cpu(mst->flags));
-               printk(KERN_DEBUG "\tlog_lnum       %u\n",
+               printk(KERN_ERR "\tlog_lnum       %u\n",
                       le32_to_cpu(mst->log_lnum));
-               printk(KERN_DEBUG "\troot_lnum      %u\n",
+               printk(KERN_ERR "\troot_lnum      %u\n",
                       le32_to_cpu(mst->root_lnum));
-               printk(KERN_DEBUG "\troot_offs      %u\n",
+               printk(KERN_ERR "\troot_offs      %u\n",
                       le32_to_cpu(mst->root_offs));
-               printk(KERN_DEBUG "\troot_len       %u\n",
+               printk(KERN_ERR "\troot_len       %u\n",
                       le32_to_cpu(mst->root_len));
-               printk(KERN_DEBUG "\tgc_lnum        %u\n",
+               printk(KERN_ERR "\tgc_lnum        %u\n",
                       le32_to_cpu(mst->gc_lnum));
-               printk(KERN_DEBUG "\tihead_lnum     %u\n",
+               printk(KERN_ERR "\tihead_lnum     %u\n",
                       le32_to_cpu(mst->ihead_lnum));
-               printk(KERN_DEBUG "\tihead_offs     %u\n",
+               printk(KERN_ERR "\tihead_offs     %u\n",
                       le32_to_cpu(mst->ihead_offs));
-               printk(KERN_DEBUG "\tindex_size     %llu\n",
+               printk(KERN_ERR "\tindex_size     %llu\n",
                       (unsigned long long)le64_to_cpu(mst->index_size));
-               printk(KERN_DEBUG "\tlpt_lnum       %u\n",
+               printk(KERN_ERR "\tlpt_lnum       %u\n",
                       le32_to_cpu(mst->lpt_lnum));
-               printk(KERN_DEBUG "\tlpt_offs       %u\n",
+               printk(KERN_ERR "\tlpt_offs       %u\n",
                       le32_to_cpu(mst->lpt_offs));
-               printk(KERN_DEBUG "\tnhead_lnum     %u\n",
+               printk(KERN_ERR "\tnhead_lnum     %u\n",
                       le32_to_cpu(mst->nhead_lnum));
-               printk(KERN_DEBUG "\tnhead_offs     %u\n",
+               printk(KERN_ERR "\tnhead_offs     %u\n",
                       le32_to_cpu(mst->nhead_offs));
-               printk(KERN_DEBUG "\tltab_lnum      %u\n",
+               printk(KERN_ERR "\tltab_lnum      %u\n",
                       le32_to_cpu(mst->ltab_lnum));
-               printk(KERN_DEBUG "\tltab_offs      %u\n",
+               printk(KERN_ERR "\tltab_offs      %u\n",
                       le32_to_cpu(mst->ltab_offs));
-               printk(KERN_DEBUG "\tlsave_lnum     %u\n",
+               printk(KERN_ERR "\tlsave_lnum     %u\n",
                       le32_to_cpu(mst->lsave_lnum));
-               printk(KERN_DEBUG "\tlsave_offs     %u\n",
+               printk(KERN_ERR "\tlsave_offs     %u\n",
                       le32_to_cpu(mst->lsave_offs));
-               printk(KERN_DEBUG "\tlscan_lnum     %u\n",
+               printk(KERN_ERR "\tlscan_lnum     %u\n",
                       le32_to_cpu(mst->lscan_lnum));
-               printk(KERN_DEBUG "\tleb_cnt        %u\n",
+               printk(KERN_ERR "\tleb_cnt        %u\n",
                       le32_to_cpu(mst->leb_cnt));
-               printk(KERN_DEBUG "\tempty_lebs     %u\n",
+               printk(KERN_ERR "\tempty_lebs     %u\n",
                       le32_to_cpu(mst->empty_lebs));
-               printk(KERN_DEBUG "\tidx_lebs       %u\n",
+               printk(KERN_ERR "\tidx_lebs       %u\n",
                       le32_to_cpu(mst->idx_lebs));
-               printk(KERN_DEBUG "\ttotal_free     %llu\n",
+               printk(KERN_ERR "\ttotal_free     %llu\n",
                       (unsigned long long)le64_to_cpu(mst->total_free));
-               printk(KERN_DEBUG "\ttotal_dirty    %llu\n",
+               printk(KERN_ERR "\ttotal_dirty    %llu\n",
                       (unsigned long long)le64_to_cpu(mst->total_dirty));
-               printk(KERN_DEBUG "\ttotal_used     %llu\n",
+               printk(KERN_ERR "\ttotal_used     %llu\n",
                       (unsigned long long)le64_to_cpu(mst->total_used));
-               printk(KERN_DEBUG "\ttotal_dead     %llu\n",
+               printk(KERN_ERR "\ttotal_dead     %llu\n",
                       (unsigned long long)le64_to_cpu(mst->total_dead));
-               printk(KERN_DEBUG "\ttotal_dark     %llu\n",
+               printk(KERN_ERR "\ttotal_dark     %llu\n",
                       (unsigned long long)le64_to_cpu(mst->total_dark));
                break;
        }
@@ -461,11 +448,11 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
        {
                const struct ubifs_ref_node *ref = node;
 
-               printk(KERN_DEBUG "\tlnum           %u\n",
+               printk(KERN_ERR "\tlnum           %u\n",
                       le32_to_cpu(ref->lnum));
-               printk(KERN_DEBUG "\toffs           %u\n",
+               printk(KERN_ERR "\toffs           %u\n",
                       le32_to_cpu(ref->offs));
-               printk(KERN_DEBUG "\tjhead          %u\n",
+               printk(KERN_ERR "\tjhead          %u\n",
                       le32_to_cpu(ref->jhead));
                break;
        }
@@ -474,39 +461,40 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
                const struct ubifs_ino_node *ino = node;
 
                key_read(c, &ino->key, &key);
-               printk(KERN_DEBUG "\tkey            %s\n", DBGKEY(&key));
-               printk(KERN_DEBUG "\tcreat_sqnum    %llu\n",
+               printk(KERN_ERR "\tkey            %s\n",
+                      dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
+               printk(KERN_ERR "\tcreat_sqnum    %llu\n",
                       (unsigned long long)le64_to_cpu(ino->creat_sqnum));
-               printk(KERN_DEBUG "\tsize           %llu\n",
+               printk(KERN_ERR "\tsize           %llu\n",
                       (unsigned long long)le64_to_cpu(ino->size));
-               printk(KERN_DEBUG "\tnlink          %u\n",
+               printk(KERN_ERR "\tnlink          %u\n",
                       le32_to_cpu(ino->nlink));
-               printk(KERN_DEBUG "\tatime          %lld.%u\n",
+               printk(KERN_ERR "\tatime          %lld.%u\n",
                       (long long)le64_to_cpu(ino->atime_sec),
                       le32_to_cpu(ino->atime_nsec));
-               printk(KERN_DEBUG "\tmtime          %lld.%u\n",
+               printk(KERN_ERR "\tmtime          %lld.%u\n",
                       (long long)le64_to_cpu(ino->mtime_sec),
                       le32_to_cpu(ino->mtime_nsec));
-               printk(KERN_DEBUG "\tctime          %lld.%u\n",
+               printk(KERN_ERR "\tctime          %lld.%u\n",
                       (long long)le64_to_cpu(ino->ctime_sec),
                       le32_to_cpu(ino->ctime_nsec));
-               printk(KERN_DEBUG "\tuid            %u\n",
+               printk(KERN_ERR "\tuid            %u\n",
                       le32_to_cpu(ino->uid));
-               printk(KERN_DEBUG "\tgid            %u\n",
+               printk(KERN_ERR "\tgid            %u\n",
                       le32_to_cpu(ino->gid));
-               printk(KERN_DEBUG "\tmode           %u\n",
+               printk(KERN_ERR "\tmode           %u\n",
                       le32_to_cpu(ino->mode));
-               printk(KERN_DEBUG "\tflags          %#x\n",
+               printk(KERN_ERR "\tflags          %#x\n",
                       le32_to_cpu(ino->flags));
-               printk(KERN_DEBUG "\txattr_cnt      %u\n",
+               printk(KERN_ERR "\txattr_cnt      %u\n",
                       le32_to_cpu(ino->xattr_cnt));
-               printk(KERN_DEBUG "\txattr_size     %u\n",
+               printk(KERN_ERR "\txattr_size     %u\n",
                       le32_to_cpu(ino->xattr_size));
-               printk(KERN_DEBUG "\txattr_names    %u\n",
+               printk(KERN_ERR "\txattr_names    %u\n",
                       le32_to_cpu(ino->xattr_names));
-               printk(KERN_DEBUG "\tcompr_type     %#x\n",
+               printk(KERN_ERR "\tcompr_type     %#x\n",
                       (int)le16_to_cpu(ino->compr_type));
-               printk(KERN_DEBUG "\tdata len       %u\n",
+               printk(KERN_ERR "\tdata len       %u\n",
                       le32_to_cpu(ino->data_len));
                break;
        }
@@ -517,15 +505,16 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
                int nlen = le16_to_cpu(dent->nlen);
 
                key_read(c, &dent->key, &key);
-               printk(KERN_DEBUG "\tkey            %s\n", DBGKEY(&key));
-               printk(KERN_DEBUG "\tinum           %llu\n",
+               printk(KERN_ERR "\tkey            %s\n",
+                      dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
+               printk(KERN_ERR "\tinum           %llu\n",
                       (unsigned long long)le64_to_cpu(dent->inum));
-               printk(KERN_DEBUG "\ttype           %d\n", (int)dent->type);
-               printk(KERN_DEBUG "\tnlen           %d\n", nlen);
-               printk(KERN_DEBUG "\tname           ");
+               printk(KERN_ERR "\ttype           %d\n", (int)dent->type);
+               printk(KERN_ERR "\tnlen           %d\n", nlen);
+               printk(KERN_ERR "\tname           ");
 
                if (nlen > UBIFS_MAX_NLEN)
-                       printk(KERN_DEBUG "(bad name length, not printing, "
+                       printk(KERN_ERR "(bad name length, not printing, "
                                          "bad or corrupted node)");
                else {
                        for (i = 0; i < nlen && dent->name[i]; i++)
@@ -541,15 +530,16 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
                int dlen = le32_to_cpu(ch->len) - UBIFS_DATA_NODE_SZ;
 
                key_read(c, &dn->key, &key);
-               printk(KERN_DEBUG "\tkey            %s\n", DBGKEY(&key));
-               printk(KERN_DEBUG "\tsize           %u\n",
+               printk(KERN_ERR "\tkey            %s\n",
+                      dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
+               printk(KERN_ERR "\tsize           %u\n",
                       le32_to_cpu(dn->size));
-               printk(KERN_DEBUG "\tcompr_typ      %d\n",
+               printk(KERN_ERR "\tcompr_typ      %d\n",
                       (int)le16_to_cpu(dn->compr_type));
-               printk(KERN_DEBUG "\tdata size      %d\n",
+               printk(KERN_ERR "\tdata size      %d\n",
                       dlen);
-               printk(KERN_DEBUG "\tdata:\n");
-               print_hex_dump(KERN_DEBUG, "\t", DUMP_PREFIX_OFFSET, 32, 1,
+               printk(KERN_ERR "\tdata:\n");
+               print_hex_dump(KERN_ERR, "\t", DUMP_PREFIX_OFFSET, 32, 1,
                               (void *)&dn->data, dlen, 0);
                break;
        }
@@ -557,11 +547,11 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
        {
                const struct ubifs_trun_node *trun = node;
 
-               printk(KERN_DEBUG "\tinum           %u\n",
+               printk(KERN_ERR "\tinum           %u\n",
                       le32_to_cpu(trun->inum));
-               printk(KERN_DEBUG "\told_size       %llu\n",
+               printk(KERN_ERR "\told_size       %llu\n",
                       (unsigned long long)le64_to_cpu(trun->old_size));
-               printk(KERN_DEBUG "\tnew_size       %llu\n",
+               printk(KERN_ERR "\tnew_size       %llu\n",
                       (unsigned long long)le64_to_cpu(trun->new_size));
                break;
        }
@@ -570,19 +560,21 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
                const struct ubifs_idx_node *idx = node;
 
                n = le16_to_cpu(idx->child_cnt);
-               printk(KERN_DEBUG "\tchild_cnt      %d\n", n);
-               printk(KERN_DEBUG "\tlevel          %d\n",
+               printk(KERN_ERR "\tchild_cnt      %d\n", n);
+               printk(KERN_ERR "\tlevel          %d\n",
                       (int)le16_to_cpu(idx->level));
-               printk(KERN_DEBUG "\tBranches:\n");
+               printk(KERN_ERR "\tBranches:\n");
 
                for (i = 0; i < n && i < c->fanout - 1; i++) {
                        const struct ubifs_branch *br;
 
                        br = ubifs_idx_branch(c, idx, i);
                        key_read(c, &br->key, &key);
-                       printk(KERN_DEBUG "\t%d: LEB %d:%d len %d key %s\n",
+                       printk(KERN_ERR "\t%d: LEB %d:%d len %d key %s\n",
                               i, le32_to_cpu(br->lnum), le32_to_cpu(br->offs),
-                              le32_to_cpu(br->len), DBGKEY(&key));
+                              le32_to_cpu(br->len),
+                              dbg_snprintf_key(c, &key, key_buf,
+                                               DBG_KEY_BUF_LEN));
                }
                break;
        }
@@ -592,20 +584,20 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
        {
                const struct ubifs_orph_node *orph = node;
 
-               printk(KERN_DEBUG "\tcommit number  %llu\n",
+               printk(KERN_ERR "\tcommit number  %llu\n",
                       (unsigned long long)
                                le64_to_cpu(orph->cmt_no) & LLONG_MAX);
-               printk(KERN_DEBUG "\tlast node flag %llu\n",
+               printk(KERN_ERR "\tlast node flag %llu\n",
                       (unsigned long long)(le64_to_cpu(orph->cmt_no)) >> 63);
                n = (le32_to_cpu(ch->len) - UBIFS_ORPH_NODE_SZ) >> 3;
-               printk(KERN_DEBUG "\t%d orphan inode numbers:\n", n);
+               printk(KERN_ERR "\t%d orphan inode numbers:\n", n);
                for (i = 0; i < n; i++)
-                       printk(KERN_DEBUG "\t  ino %llu\n",
+                       printk(KERN_ERR "\t  ino %llu\n",
                               (unsigned long long)le64_to_cpu(orph->inos[i]));
                break;
        }
        default:
-               printk(KERN_DEBUG "node type %d was not recognized\n",
+               printk(KERN_ERR "node type %d was not recognized\n",
                       (int)ch->node_type);
        }
        spin_unlock(&dbg_lock);
@@ -614,16 +606,16 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
 void dbg_dump_budget_req(const struct ubifs_budget_req *req)
 {
        spin_lock(&dbg_lock);
-       printk(KERN_DEBUG "Budgeting request: new_ino %d, dirtied_ino %d\n",
+       printk(KERN_ERR "Budgeting request: new_ino %d, dirtied_ino %d\n",
               req->new_ino, req->dirtied_ino);
-       printk(KERN_DEBUG "\tnew_ino_d   %d, dirtied_ino_d %d\n",
+       printk(KERN_ERR "\tnew_ino_d   %d, dirtied_ino_d %d\n",
               req->new_ino_d, req->dirtied_ino_d);
-       printk(KERN_DEBUG "\tnew_page    %d, dirtied_page %d\n",
+       printk(KERN_ERR "\tnew_page    %d, dirtied_page %d\n",
               req->new_page, req->dirtied_page);
-       printk(KERN_DEBUG "\tnew_dent    %d, mod_dent     %d\n",
+       printk(KERN_ERR "\tnew_dent    %d, mod_dent     %d\n",
               req->new_dent, req->mod_dent);
-       printk(KERN_DEBUG "\tidx_growth  %d\n", req->idx_growth);
-       printk(KERN_DEBUG "\tdata_growth %d dd_growth     %d\n",
+       printk(KERN_ERR "\tidx_growth  %d\n", req->idx_growth);
+       printk(KERN_ERR "\tdata_growth %d dd_growth     %d\n",
               req->data_growth, req->dd_growth);
        spin_unlock(&dbg_lock);
 }
@@ -631,12 +623,12 @@ void dbg_dump_budget_req(const struct ubifs_budget_req *req)
 void dbg_dump_lstats(const struct ubifs_lp_stats *lst)
 {
        spin_lock(&dbg_lock);
-       printk(KERN_DEBUG "(pid %d) Lprops statistics: empty_lebs %d, "
+       printk(KERN_ERR "(pid %d) Lprops statistics: empty_lebs %d, "
               "idx_lebs  %d\n", current->pid, lst->empty_lebs, lst->idx_lebs);
-       printk(KERN_DEBUG "\ttaken_empty_lebs %d, total_free %lld, "
+       printk(KERN_ERR "\ttaken_empty_lebs %d, total_free %lld, "
               "total_dirty %lld\n", lst->taken_empty_lebs, lst->total_free,
               lst->total_dirty);
-       printk(KERN_DEBUG "\ttotal_used %lld, total_dark %lld, "
+       printk(KERN_ERR "\ttotal_used %lld, total_dark %lld, "
               "total_dead %lld\n", lst->total_used, lst->total_dark,
               lst->total_dead);
        spin_unlock(&dbg_lock);
@@ -652,21 +644,21 @@ void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi)
 
        spin_lock(&c->space_lock);
        spin_lock(&dbg_lock);
-       printk(KERN_DEBUG "(pid %d) Budgeting info: data budget sum %lld, "
+       printk(KERN_ERR "(pid %d) Budgeting info: data budget sum %lld, "
               "total budget sum %lld\n", current->pid,
               bi->data_growth + bi->dd_growth,
               bi->data_growth + bi->dd_growth + bi->idx_growth);
-       printk(KERN_DEBUG "\tbudg_data_growth %lld, budg_dd_growth %lld, "
+       printk(KERN_ERR "\tbudg_data_growth %lld, budg_dd_growth %lld, "
               "budg_idx_growth %lld\n", bi->data_growth, bi->dd_growth,
               bi->idx_growth);
-       printk(KERN_DEBUG "\tmin_idx_lebs %d, old_idx_sz %llu, "
+       printk(KERN_ERR "\tmin_idx_lebs %d, old_idx_sz %llu, "
               "uncommitted_idx %lld\n", bi->min_idx_lebs, bi->old_idx_sz,
               bi->uncommitted_idx);
-       printk(KERN_DEBUG "\tpage_budget %d, inode_budget %d, dent_budget %d\n",
+       printk(KERN_ERR "\tpage_budget %d, inode_budget %d, dent_budget %d\n",
               bi->page_budget, bi->inode_budget, bi->dent_budget);
-       printk(KERN_DEBUG "\tnospace %u, nospace_rp %u\n",
+       printk(KERN_ERR "\tnospace %u, nospace_rp %u\n",
               bi->nospace, bi->nospace_rp);
-       printk(KERN_DEBUG "\tdark_wm %d, dead_wm %d, max_idx_node_sz %d\n",
+       printk(KERN_ERR "\tdark_wm %d, dead_wm %d, max_idx_node_sz %d\n",
               c->dark_wm, c->dead_wm, c->max_idx_node_sz);
 
        if (bi != &c->bi)
@@ -677,38 +669,38 @@ void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi)
                 */
                goto out_unlock;
 
-       printk(KERN_DEBUG "\tfreeable_cnt %d, calc_idx_sz %lld, idx_gc_cnt %d\n",
+       printk(KERN_ERR "\tfreeable_cnt %d, calc_idx_sz %lld, idx_gc_cnt %d\n",
               c->freeable_cnt, c->calc_idx_sz, c->idx_gc_cnt);
-       printk(KERN_DEBUG "\tdirty_pg_cnt %ld, dirty_zn_cnt %ld, "
+       printk(KERN_ERR "\tdirty_pg_cnt %ld, dirty_zn_cnt %ld, "
               "clean_zn_cnt %ld\n", atomic_long_read(&c->dirty_pg_cnt),
               atomic_long_read(&c->dirty_zn_cnt),
               atomic_long_read(&c->clean_zn_cnt));
-       printk(KERN_DEBUG "\tgc_lnum %d, ihead_lnum %d\n",
+       printk(KERN_ERR "\tgc_lnum %d, ihead_lnum %d\n",
               c->gc_lnum, c->ihead_lnum);
 
        /* If we are in R/O mode, journal heads do not exist */
        if (c->jheads)
                for (i = 0; i < c->jhead_cnt; i++)
-                       printk(KERN_DEBUG "\tjhead %s\t LEB %d\n",
+                       printk(KERN_ERR "\tjhead %s\t LEB %d\n",
                               dbg_jhead(c->jheads[i].wbuf.jhead),
                               c->jheads[i].wbuf.lnum);
        for (rb = rb_first(&c->buds); rb; rb = rb_next(rb)) {
                bud = rb_entry(rb, struct ubifs_bud, rb);
-               printk(KERN_DEBUG "\tbud LEB %d\n", bud->lnum);
+               printk(KERN_ERR "\tbud LEB %d\n", bud->lnum);
        }
        list_for_each_entry(bud, &c->old_buds, list)
-               printk(KERN_DEBUG "\told bud LEB %d\n", bud->lnum);
+               printk(KERN_ERR "\told bud LEB %d\n", bud->lnum);
        list_for_each_entry(idx_gc, &c->idx_gc, list)
-               printk(KERN_DEBUG "\tGC'ed idx LEB %d unmap %d\n",
+               printk(KERN_ERR "\tGC'ed idx LEB %d unmap %d\n",
                       idx_gc->lnum, idx_gc->unmap);
-       printk(KERN_DEBUG "\tcommit state %d\n", c->cmt_state);
+       printk(KERN_ERR "\tcommit state %d\n", c->cmt_state);
 
        /* Print budgeting predictions */
        available = ubifs_calc_available(c, c->bi.min_idx_lebs);
        outstanding = c->bi.data_growth + c->bi.dd_growth;
        free = ubifs_get_free_space_nolock(c);
-       printk(KERN_DEBUG "Budgeting predictions:\n");
-       printk(KERN_DEBUG "\tavailable: %lld, outstanding %lld, free %lld\n",
+       printk(KERN_ERR "Budgeting predictions:\n");
+       printk(KERN_ERR "\tavailable: %lld, outstanding %lld, free %lld\n",
               available, outstanding, free);
 out_unlock:
        spin_unlock(&dbg_lock);
@@ -728,11 +720,11 @@ void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp)
                dark = ubifs_calc_dark(c, spc);
 
        if (lp->flags & LPROPS_INDEX)
-               printk(KERN_DEBUG "LEB %-7d free %-8d dirty %-8d used %-8d "
+               printk(KERN_ERR "LEB %-7d free %-8d dirty %-8d used %-8d "
                       "free + dirty %-8d flags %#x (", lp->lnum, lp->free,
                       lp->dirty, c->leb_size - spc, spc, lp->flags);
        else
-               printk(KERN_DEBUG "LEB %-7d free %-8d dirty %-8d used %-8d "
+               printk(KERN_ERR "LEB %-7d free %-8d dirty %-8d used %-8d "
                       "free + dirty %-8d dark %-4d dead %-4d nodes fit %-3d "
                       "flags %#-4x (", lp->lnum, lp->free, lp->dirty,
                       c->leb_size - spc, spc, dark, dead,
@@ -815,7 +807,7 @@ void dbg_dump_lprops(struct ubifs_info *c)
        struct ubifs_lprops lp;
        struct ubifs_lp_stats lst;
 
-       printk(KERN_DEBUG "(pid %d) start dumping LEB properties\n",
+       printk(KERN_ERR "(pid %d) start dumping LEB properties\n",
               current->pid);
        ubifs_get_lp_stats(c, &lst);
        dbg_dump_lstats(&lst);
@@ -827,7 +819,7 @@ void dbg_dump_lprops(struct ubifs_info *c)
 
                dbg_dump_lprop(c, &lp);
        }
-       printk(KERN_DEBUG "(pid %d) finish dumping LEB properties\n",
+       printk(KERN_ERR "(pid %d) finish dumping LEB properties\n",
               current->pid);
 }
 
@@ -836,35 +828,35 @@ void dbg_dump_lpt_info(struct ubifs_info *c)
        int i;
 
        spin_lock(&dbg_lock);
-       printk(KERN_DEBUG "(pid %d) dumping LPT information\n", current->pid);
-       printk(KERN_DEBUG "\tlpt_sz:        %lld\n", c->lpt_sz);
-       printk(KERN_DEBUG "\tpnode_sz:      %d\n", c->pnode_sz);
-       printk(KERN_DEBUG "\tnnode_sz:      %d\n", c->nnode_sz);
-       printk(KERN_DEBUG "\tltab_sz:       %d\n", c->ltab_sz);
-       printk(KERN_DEBUG "\tlsave_sz:      %d\n", c->lsave_sz);
-       printk(KERN_DEBUG "\tbig_lpt:       %d\n", c->big_lpt);
-       printk(KERN_DEBUG "\tlpt_hght:      %d\n", c->lpt_hght);
-       printk(KERN_DEBUG "\tpnode_cnt:     %d\n", c->pnode_cnt);
-       printk(KERN_DEBUG "\tnnode_cnt:     %d\n", c->nnode_cnt);
-       printk(KERN_DEBUG "\tdirty_pn_cnt:  %d\n", c->dirty_pn_cnt);
-       printk(KERN_DEBUG "\tdirty_nn_cnt:  %d\n", c->dirty_nn_cnt);
-       printk(KERN_DEBUG "\tlsave_cnt:     %d\n", c->lsave_cnt);
-       printk(KERN_DEBUG "\tspace_bits:    %d\n", c->space_bits);
-       printk(KERN_DEBUG "\tlpt_lnum_bits: %d\n", c->lpt_lnum_bits);
-       printk(KERN_DEBUG "\tlpt_offs_bits: %d\n", c->lpt_offs_bits);
-       printk(KERN_DEBUG "\tlpt_spc_bits:  %d\n", c->lpt_spc_bits);
-       printk(KERN_DEBUG "\tpcnt_bits:     %d\n", c->pcnt_bits);
-       printk(KERN_DEBUG "\tlnum_bits:     %d\n", c->lnum_bits);
-       printk(KERN_DEBUG "\tLPT root is at %d:%d\n", c->lpt_lnum, c->lpt_offs);
-       printk(KERN_DEBUG "\tLPT head is at %d:%d\n",
+       printk(KERN_ERR "(pid %d) dumping LPT information\n", current->pid);
+       printk(KERN_ERR "\tlpt_sz:        %lld\n", c->lpt_sz);
+       printk(KERN_ERR "\tpnode_sz:      %d\n", c->pnode_sz);
+       printk(KERN_ERR "\tnnode_sz:      %d\n", c->nnode_sz);
+       printk(KERN_ERR "\tltab_sz:       %d\n", c->ltab_sz);
+       printk(KERN_ERR "\tlsave_sz:      %d\n", c->lsave_sz);
+       printk(KERN_ERR "\tbig_lpt:       %d\n", c->big_lpt);
+       printk(KERN_ERR "\tlpt_hght:      %d\n", c->lpt_hght);
+       printk(KERN_ERR "\tpnode_cnt:     %d\n", c->pnode_cnt);
+       printk(KERN_ERR "\tnnode_cnt:     %d\n", c->nnode_cnt);
+       printk(KERN_ERR "\tdirty_pn_cnt:  %d\n", c->dirty_pn_cnt);
+       printk(KERN_ERR "\tdirty_nn_cnt:  %d\n", c->dirty_nn_cnt);
+       printk(KERN_ERR "\tlsave_cnt:     %d\n", c->lsave_cnt);
+       printk(KERN_ERR "\tspace_bits:    %d\n", c->space_bits);
+       printk(KERN_ERR "\tlpt_lnum_bits: %d\n", c->lpt_lnum_bits);
+       printk(KERN_ERR "\tlpt_offs_bits: %d\n", c->lpt_offs_bits);
+       printk(KERN_ERR "\tlpt_spc_bits:  %d\n", c->lpt_spc_bits);
+       printk(KERN_ERR "\tpcnt_bits:     %d\n", c->pcnt_bits);
+       printk(KERN_ERR "\tlnum_bits:     %d\n", c->lnum_bits);
+       printk(KERN_ERR "\tLPT root is at %d:%d\n", c->lpt_lnum, c->lpt_offs);
+       printk(KERN_ERR "\tLPT head is at %d:%d\n",
               c->nhead_lnum, c->nhead_offs);
-       printk(KERN_DEBUG "\tLPT ltab is at %d:%d\n",
+       printk(KERN_ERR "\tLPT ltab is at %d:%d\n",
               c->ltab_lnum, c->ltab_offs);
        if (c->big_lpt)
-               printk(KERN_DEBUG "\tLPT lsave is at %d:%d\n",
+               printk(KERN_ERR "\tLPT lsave is at %d:%d\n",
                       c->lsave_lnum, c->lsave_offs);
        for (i = 0; i < c->lpt_lebs; i++)
-               printk(KERN_DEBUG "\tLPT LEB %d free %d dirty %d tgc %d "
+               printk(KERN_ERR "\tLPT LEB %d free %d dirty %d tgc %d "
                       "cmt %d\n", i + c->lpt_first, c->ltab[i].free,
                       c->ltab[i].dirty, c->ltab[i].tgc, c->ltab[i].cmt);
        spin_unlock(&dbg_lock);
@@ -875,12 +867,12 @@ void dbg_dump_sleb(const struct ubifs_info *c,
 {
        struct ubifs_scan_node *snod;
 
-       printk(KERN_DEBUG "(pid %d) start dumping scanned data from LEB %d:%d\n",
+       printk(KERN_ERR "(pid %d) start dumping scanned data from LEB %d:%d\n",
               current->pid, sleb->lnum, offs);
 
        list_for_each_entry(snod, &sleb->nodes, list) {
                cond_resched();
-               printk(KERN_DEBUG "Dumping node at LEB %d:%d len %d\n", sleb->lnum,
+               printk(KERN_ERR "Dumping node at LEB %d:%d len %d\n", sleb->lnum,
                       snod->offs, snod->len);
                dbg_dump_node(c, snod->node);
        }
@@ -895,7 +887,7 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum)
        if (dbg_is_tst_rcvry(c))
                return;
 
-       printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n",
+       printk(KERN_ERR "(pid %d) start dumping LEB %d\n",
               current->pid, lnum);
 
        buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
@@ -910,17 +902,17 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum)
                goto out;
        }
 
-       printk(KERN_DEBUG "LEB %d has %d nodes ending at %d\n", lnum,
+       printk(KERN_ERR "LEB %d has %d nodes ending at %d\n", lnum,
               sleb->nodes_cnt, sleb->endpt);
 
        list_for_each_entry(snod, &sleb->nodes, list) {
                cond_resched();
-               printk(KERN_DEBUG "Dumping node at LEB %d:%d len %d\n", lnum,
+               printk(KERN_ERR "Dumping node at LEB %d:%d len %d\n", lnum,
                       snod->offs, snod->len);
                dbg_dump_node(c, snod->node);
        }
 
-       printk(KERN_DEBUG "(pid %d) finish dumping LEB %d\n",
+       printk(KERN_ERR "(pid %d) finish dumping LEB %d\n",
               current->pid, lnum);
        ubifs_scan_destroy(sleb);
 
@@ -934,6 +926,7 @@ void dbg_dump_znode(const struct ubifs_info *c,
 {
        int n;
        const struct ubifs_zbranch *zbr;
+       char key_buf[DBG_KEY_BUF_LEN];
 
        spin_lock(&dbg_lock);
        if (znode->parent)
@@ -941,7 +934,7 @@ void dbg_dump_znode(const struct ubifs_info *c,
        else
                zbr = &c->zroot;
 
-       printk(KERN_DEBUG "znode %p, LEB %d:%d len %d parent %p iip %d level %d"
+       printk(KERN_ERR "znode %p, LEB %d:%d len %d parent %p iip %d level %d"
               " child_cnt %d flags %lx\n", znode, zbr->lnum, zbr->offs,
               zbr->len, znode->parent, znode->iip, znode->level,
               znode->child_cnt, znode->flags);
@@ -951,19 +944,23 @@ void dbg_dump_znode(const struct ubifs_info *c,
                return;
        }
 
-       printk(KERN_DEBUG "zbranches:\n");
+       printk(KERN_ERR "zbranches:\n");
        for (n = 0; n < znode->child_cnt; n++) {
                zbr = &znode->zbranch[n];
                if (znode->level > 0)
-                       printk(KERN_DEBUG "\t%d: znode %p LEB %d:%d len %d key "
+                       printk(KERN_ERR "\t%d: znode %p LEB %d:%d len %d key "
                                          "%s\n", n, zbr->znode, zbr->lnum,
                                          zbr->offs, zbr->len,
-                                         DBGKEY(&zbr->key));
+                                         dbg_snprintf_key(c, &zbr->key,
+                                                          key_buf,
+                                                          DBG_KEY_BUF_LEN));
                else
-                       printk(KERN_DEBUG "\t%d: LNC %p LEB %d:%d len %d key "
+                       printk(KERN_ERR "\t%d: LNC %p LEB %d:%d len %d key "
                                          "%s\n", n, zbr->znode, zbr->lnum,
                                          zbr->offs, zbr->len,
-                                         DBGKEY(&zbr->key));
+                                         dbg_snprintf_key(c, &zbr->key,
+                                                          key_buf,
+                                                          DBG_KEY_BUF_LEN));
        }
        spin_unlock(&dbg_lock);
 }
@@ -972,16 +969,16 @@ void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat)
 {
        int i;
 
-       printk(KERN_DEBUG "(pid %d) start dumping heap cat %d (%d elements)\n",
+       printk(KERN_ERR "(pid %d) start dumping heap cat %d (%d elements)\n",
               current->pid, cat, heap->cnt);
        for (i = 0; i < heap->cnt; i++) {
                struct ubifs_lprops *lprops = heap->arr[i];
 
-               printk(KERN_DEBUG "\t%d. LEB %d hpos %d free %d dirty %d "
+               printk(KERN_ERR "\t%d. LEB %d hpos %d free %d dirty %d "
                       "flags %d\n", i, lprops->lnum, lprops->hpos,
                       lprops->free, lprops->dirty, lprops->flags);
        }
-       printk(KERN_DEBUG "(pid %d) finish dumping heap\n", current->pid);
+       printk(KERN_ERR "(pid %d) finish dumping heap\n", current->pid);
 }
 
 void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
@@ -989,15 +986,15 @@ void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
 {
        int i;
 
-       printk(KERN_DEBUG "(pid %d) dumping pnode:\n", current->pid);
-       printk(KERN_DEBUG "\taddress %zx parent %zx cnext %zx\n",
+       printk(KERN_ERR "(pid %d) dumping pnode:\n", current->pid);
+       printk(KERN_ERR "\taddress %zx parent %zx cnext %zx\n",
               (size_t)pnode, (size_t)parent, (size_t)pnode->cnext);
-       printk(KERN_DEBUG "\tflags %lu iip %d level %d num %d\n",
+       printk(KERN_ERR "\tflags %lu iip %d level %d num %d\n",
               pnode->flags, iip, pnode->level, pnode->num);
        for (i = 0; i < UBIFS_LPT_FANOUT; i++) {
                struct ubifs_lprops *lp = &pnode->lprops[i];
 
-               printk(KERN_DEBUG "\t%d: free %d dirty %d flags %d lnum %d\n",
+               printk(KERN_ERR "\t%d: free %d dirty %d flags %d lnum %d\n",
                       i, lp->free, lp->dirty, lp->flags, lp->lnum);
        }
 }
@@ -1007,20 +1004,20 @@ void dbg_dump_tnc(struct ubifs_info *c)
        struct ubifs_znode *znode;
        int level;
 
-       printk(KERN_DEBUG "\n");
-       printk(KERN_DEBUG "(pid %d) start dumping TNC tree\n", current->pid);
+       printk(KERN_ERR "\n");
+       printk(KERN_ERR "(pid %d) start dumping TNC tree\n", current->pid);
        znode = ubifs_tnc_levelorder_next(c->zroot.znode, NULL);
        level = znode->level;
-       printk(KERN_DEBUG "== Level %d ==\n", level);
+       printk(KERN_ERR "== Level %d ==\n", level);
        while (znode) {
                if (level != znode->level) {
                        level = znode->level;
-                       printk(KERN_DEBUG "== Level %d ==\n", level);
+                       printk(KERN_ERR "== Level %d ==\n", level);
                }
                dbg_dump_znode(c, znode);
                znode = ubifs_tnc_levelorder_next(c->zroot.znode, znode);
        }
-       printk(KERN_DEBUG "(pid %d) finish dumping TNC tree\n", current->pid);
+       printk(KERN_ERR "(pid %d) finish dumping TNC tree\n", current->pid);
 }
 
 static int dump_znode(struct ubifs_info *c, struct ubifs_znode *znode,
@@ -1260,6 +1257,7 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
        int err, nlen1, nlen2, cmp;
        struct ubifs_dent_node *dent1, *dent2;
        union ubifs_key key;
+       char key_buf[DBG_KEY_BUF_LEN];
 
        ubifs_assert(!keys_cmp(c, &zbr1->key, &zbr2->key));
        dent1 = kmalloc(UBIFS_MAX_DENT_NODE_SZ, GFP_NOFS);
@@ -1290,9 +1288,11 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
        key_read(c, &dent1->key, &key);
        if (keys_cmp(c, &zbr1->key, &key)) {
                dbg_err("1st entry at %d:%d has key %s", zbr1->lnum,
-                       zbr1->offs, DBGKEY(&key));
+                       zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
+                                                    DBG_KEY_BUF_LEN));
                dbg_err("but it should have key %s according to tnc",
-                       DBGKEY(&zbr1->key));
+                       dbg_snprintf_key(c, &zbr1->key, key_buf,
+                                        DBG_KEY_BUF_LEN));
                dbg_dump_node(c, dent1);
                goto out_free;
        }
@@ -1300,9 +1300,11 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
        key_read(c, &dent2->key, &key);
        if (keys_cmp(c, &zbr2->key, &key)) {
                dbg_err("2nd entry at %d:%d has key %s", zbr1->lnum,
-                       zbr1->offs, DBGKEY(&key));
+                       zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
+                                                    DBG_KEY_BUF_LEN));
                dbg_err("but it should have key %s according to tnc",
-                       DBGKEY(&zbr2->key));
+                       dbg_snprintf_key(c, &zbr2->key, key_buf,
+                                        DBG_KEY_BUF_LEN));
                dbg_dump_node(c, dent2);
                goto out_free;
        }
@@ -1319,7 +1321,7 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
                dbg_err("2 xent/dent nodes with the same name");
        else
                dbg_err("bad order of colliding key %s",
-                       DBGKEY(&key));
+                       dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
 
        ubifs_msg("first node at %d:%d\n", zbr1->lnum, zbr1->offs);
        dbg_dump_node(c, dent1);