X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=print-tree.c;h=eac4d52afa40530e670762f938c27a1ff4b4389f;hb=2d9bc57b9ae79ad3648a57b431b9d82e88114132;hp=caa07f5a592170e7546c014dfbdbb8b36337d337;hpb=8a2c8123c5ee5b09f3b8265e5e6db2e687d29e99;p=platform%2Fupstream%2Fbtrfs-progs.git

diff --git a/print-tree.c b/print-tree.c
index caa07f5..eac4d52 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -1,117 +1,379 @@
+/*
+ * Copyright (C) 2007 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
+#include <uuid/uuid.h>
 #include "kerncompat.h"
 #include "radix-tree.h"
 #include "ctree.h"
 #include "disk-io.h"
 
-void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
+static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item,
+			  struct btrfs_dir_item *di)
+{
+	u32 total;
+	u32 cur = 0;
+	u32 len;
+	u32 name_len;
+	u32 data_len;
+	char namebuf[BTRFS_NAME_LEN];
+	struct btrfs_disk_key location;
+
+	total = btrfs_item_size(eb, item);
+	while(cur < total) {
+		btrfs_dir_item_key(eb, di, &location);
+		printf("\t\tdir index %llu type %u\n",
+		       (unsigned long long)btrfs_disk_key_objectid(&location),
+		       btrfs_dir_type(eb, di));
+		name_len = btrfs_dir_name_len(eb, di);
+		data_len = btrfs_dir_data_len(eb, di);
+		len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
+		read_extent_buffer(eb, namebuf, (unsigned long)(di + 1), len);
+		printf("\t\tnamelen %u datalen %u name: %.*s\n",
+		       name_len, data_len, len, namebuf);
+		len = sizeof(*di) + name_len + data_len;
+		di = (struct btrfs_dir_item *)((char *)di + len);
+		cur += len;
+	}
+	return 0;
+}
+
+static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *item,
+				struct btrfs_inode_ref *ref)
+{
+	u32 total;
+	u32 cur = 0;
+	u32 len;
+	u32 name_len;
+	u64 index;
+	char namebuf[BTRFS_NAME_LEN];
+	total = btrfs_item_size(eb, item);
+	while(cur < total) {
+		name_len = btrfs_inode_ref_name_len(eb, ref);
+		index = btrfs_inode_ref_index(eb, ref);
+		len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
+		read_extent_buffer(eb, namebuf, (unsigned long)(ref + 1), len);
+		printf("\t\tinode ref index %llu namelen %u name: %.*s\n",
+		       index, name_len, len, namebuf);
+		len = sizeof(*ref) + name_len;
+		ref = (struct btrfs_inode_ref *)((char *)ref + len);
+		cur += len;
+	}
+	return 0;
+}
+
+static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
+{
+	int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
+	int i;
+	printf("\t\tchunk length %llu owner %llu type %llu num_stripes %d\n",
+	       (unsigned long long)btrfs_chunk_length(eb, chunk),
+	       (unsigned long long)btrfs_chunk_owner(eb, chunk),
+	       (unsigned long long)btrfs_chunk_type(eb, chunk),
+	       num_stripes);
+	for (i = 0 ; i < num_stripes ; i++) {
+		printf("\t\t\tstripe %d devid %llu offset %llu\n", i,
+		      (unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i),
+		      (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i));
+	}
+}
+static void print_dev_item(struct extent_buffer *eb,
+			   struct btrfs_dev_item *dev_item)
+{
+	printf("\t\tdev item devid %llu "
+	       "total_bytes %llu bytes used %Lu\n",
+	       (unsigned long long)btrfs_device_id(eb, dev_item),
+	       (unsigned long long)btrfs_device_total_bytes(eb, dev_item),
+	       (unsigned long long)btrfs_device_bytes_used(eb, dev_item));
+}
+
+static void print_uuids(struct extent_buffer *eb)
+{
+	char fs_uuid[37];
+	char chunk_uuid[37];
+	u8 disk_uuid[BTRFS_UUID_SIZE];
+
+	read_extent_buffer(eb, disk_uuid, (unsigned long)btrfs_header_fsid(eb),
+			   BTRFS_FSID_SIZE);
+
+	fs_uuid[36] = '\0';
+	uuid_unparse(disk_uuid, fs_uuid);
+
+	read_extent_buffer(eb, disk_uuid,
+			   (unsigned long)btrfs_header_chunk_tree_uuid(eb),
+			   BTRFS_UUID_SIZE);
+
+	chunk_uuid[36] = '\0';
+	uuid_unparse(disk_uuid, chunk_uuid);
+	printf("fs uuid %s\nchunk uuid %s\n", fs_uuid, chunk_uuid);
+}
+
+static void print_file_extent_item(struct extent_buffer *eb,
+				   struct btrfs_item *item,
+				   struct btrfs_file_extent_item *fi)
+{
+	int extent_type = btrfs_file_extent_type(eb, fi);
+
+	if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
+		printf("\t\tinline extent data size %u "
+		       "ram %llu compress %d\n",
+	          btrfs_file_extent_inline_len(eb, item),
+		  (unsigned long long) btrfs_file_extent_ram_bytes(eb, fi),
+		  btrfs_file_extent_compression(eb, fi));
+		return;
+	}
+	if (extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
+		printf("\t\tprealloc data disk byte %llu nr %llu\n",
+		  (unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
+		  (unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
+		printf("\t\tprealloc data offset %llu nr %llu\n",
+		  (unsigned long long)btrfs_file_extent_offset(eb, fi),
+		  (unsigned long long)btrfs_file_extent_num_bytes(eb, fi));
+		return;
+	}
+	printf("\t\textent data disk byte %llu nr %llu\n",
+		(unsigned long long)btrfs_file_extent_disk_bytenr(eb, fi),
+		(unsigned long long)btrfs_file_extent_disk_num_bytes(eb, fi));
+	printf("\t\textent data offset %llu nr %llu ram %llu\n",
+		(unsigned long long)btrfs_file_extent_offset(eb, fi),
+		(unsigned long long)btrfs_file_extent_num_bytes(eb, fi),
+		(unsigned long long)btrfs_file_extent_ram_bytes(eb, fi));
+	printf("\t\textent compression %d\n",
+	       btrfs_file_extent_compression(eb, fi));
+}
+
+
+static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag)
+{
+	struct btrfs_root_ref *ref;
+	char namebuf[BTRFS_NAME_LEN];
+	int namelen;
+
+	ref = btrfs_item_ptr(leaf, slot, struct btrfs_root_ref);
+	namelen = btrfs_root_ref_name_len(leaf, ref);
+	read_extent_buffer(leaf, namebuf, (unsigned long)(ref + 1), namelen);
+	printf("\t\troot %s key dirid %llu sequence %llu name %.*s\n", tag,
+	       (unsigned long long)btrfs_root_ref_dirid(leaf, ref),
+	       (unsigned long long)btrfs_root_ref_sequence(leaf, ref),
+	       namelen, namebuf);
+}
+
+void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
 {
 	int i;
-	u32 nr = btrfs_header_nritems(&l->header);
+	char *str;
 	struct btrfs_item *item;
 	struct btrfs_extent_item *ei;
 	struct btrfs_root_item *ri;
 	struct btrfs_dir_item *di;
-	struct btrfs_inode_map_item *mi;
 	struct btrfs_inode_item *ii;
+	struct btrfs_file_extent_item *fi;
+	struct btrfs_csum_item *ci;
+	struct btrfs_block_group_item *bi;
+	struct btrfs_extent_ref *ref;
+	struct btrfs_inode_ref *iref;
+	struct btrfs_dev_extent *dev_extent;
+	struct btrfs_disk_key disk_key;
+	struct btrfs_root_item root_item;
+	struct btrfs_block_group_item bg_item;
+	u32 nr = btrfs_header_nritems(l);
 	u32 type;
 
-	printf("leaf %Lu total ptrs %d free space %d\n",
-		btrfs_header_blocknr(&l->header), nr,
-		btrfs_leaf_free_space(root, l));
+	printf("leaf %llu ptrs %d free space %d generation %llu owner %llu\n",
+		(unsigned long long)btrfs_header_bytenr(l), nr,
+		btrfs_leaf_free_space(root, l),
+		(unsigned long long)btrfs_header_generation(l),
+		(unsigned long long)btrfs_header_owner(l));
+	print_uuids(l);
 	fflush(stdout);
 	for (i = 0 ; i < nr ; i++) {
-		item = l->items + i;
-		type = btrfs_disk_key_type(&item->key);
-		printf("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
+		item = btrfs_item_nr(l, i);
+		btrfs_item_key(l, &disk_key, i);
+		type = btrfs_disk_key_type(&disk_key);
+		printf("\titem %d key (%llu %x %llu) itemoff %d itemsize %d\n",
 			i,
-			btrfs_disk_key_objectid(&item->key),
-			btrfs_disk_key_flags(&item->key),
-			btrfs_disk_key_offset(&item->key),
-			btrfs_item_offset(item),
-			btrfs_item_size(item));
+			(unsigned long long)btrfs_disk_key_objectid(&disk_key),
+			btrfs_disk_key_type(&disk_key),
+			(unsigned long long)btrfs_disk_key_offset(&disk_key),
+			btrfs_item_offset(l, item),
+			btrfs_item_size(l, item));
 		switch (type) {
 		case BTRFS_INODE_ITEM_KEY:
 			ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
-			printf("\t\tinode generation %Lu size %Lu mode %o\n",
-			       btrfs_inode_generation(ii),
-			       btrfs_inode_size(ii),
-			       btrfs_inode_mode(ii));
+			printf("\t\tinode generation %llu size %llu block group %llu mode %o links %u\n",
+			       (unsigned long long)btrfs_inode_generation(l, ii),
+			       (unsigned long long)btrfs_inode_size(l, ii),
+			       (unsigned long long)btrfs_inode_block_group(l,ii),
+			       btrfs_inode_mode(l, ii),
+			       btrfs_inode_nlink(l, ii));
+			break;
+		case BTRFS_INODE_REF_KEY:
+			iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref);
+			print_inode_ref_item(l, item, iref);
 			break;
 		case BTRFS_DIR_ITEM_KEY:
+		case BTRFS_DIR_INDEX_KEY:
+		case BTRFS_XATTR_ITEM_KEY:
 			di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
-			printf("\t\tdir oid %Lu flags %u type %u\n",
-				btrfs_dir_objectid(di),
-				btrfs_dir_flags(di),
-				btrfs_dir_type(di));
-			printf("\t\tname %.*s\n",
-			       btrfs_dir_name_len(di),(char *)(di + 1));
+			print_dir_item(l, item, di);
+			break;
+		case BTRFS_ORPHAN_ITEM_KEY:
+			printf("\t\torphan item\n");
 			break;
 		case BTRFS_ROOT_ITEM_KEY:
 			ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
-			printf("\t\troot data blocknr %Lu refs %u\n",
-				btrfs_root_blocknr(ri), btrfs_root_refs(ri));
+			read_extent_buffer(l, &root_item, (unsigned long)ri, sizeof(root_item));
+			printf("\t\troot data bytenr %llu level %d dirid %llu refs %u\n",
+				(unsigned long long)btrfs_root_bytenr(&root_item),
+				btrfs_root_level(&root_item),
+				(unsigned long long)btrfs_root_dirid(&root_item),
+				btrfs_root_refs(&root_item));
+			if (1 || btrfs_root_refs(&root_item) == 0) {
+				struct btrfs_key drop_key;
+				btrfs_disk_key_to_cpu(&drop_key,
+						      &root_item.drop_progress);
+				printf("\t\tdrop key %Lu %x %Lu level %d\n",
+				       (unsigned long long)drop_key.objectid,
+				       drop_key.type,
+				       (unsigned long long)drop_key.offset,
+				       root_item.drop_level);
+			}
+			break;
+		case BTRFS_ROOT_REF_KEY:
+			print_root_ref(l, i, "ref");
+			break;
+		case BTRFS_ROOT_BACKREF_KEY:
+			print_root_ref(l, i, "backref");
 			break;
 		case BTRFS_EXTENT_ITEM_KEY:
 			ei = btrfs_item_ptr(l, i, struct btrfs_extent_item);
-			printf("\t\textent data refs %u owner %Lu\n",
-				btrfs_extent_refs(ei), btrfs_extent_owner(ei));
+			printf("\t\textent data refs %u\n",
+				btrfs_extent_refs(l, ei));
+			break;
+		case BTRFS_EXTENT_REF_KEY:
+			ref = btrfs_item_ptr(l, i, struct btrfs_extent_ref);
+			printf("\t\textent back ref root %llu gen %llu "
+			       "owner %llu num_refs %lu\n",
+			       (unsigned long long)btrfs_ref_root(l, ref),
+			       (unsigned long long)btrfs_ref_generation(l, ref),
+			       (unsigned long long)btrfs_ref_objectid(l, ref),
+			       (unsigned long)btrfs_ref_num_refs(l, ref));
 			break;
-		case BTRFS_INODE_MAP_ITEM_KEY:
-			mi = btrfs_item_ptr(l, i, struct btrfs_inode_map_item);
-			printf("\t\tinode map key %Lu %u %Lu\n",
-			       btrfs_disk_key_objectid(&mi->key),
-			       btrfs_disk_key_flags(&mi->key),
-			       btrfs_disk_key_offset(&mi->key));
+		case BTRFS_CSUM_ITEM_KEY:
+			ci = btrfs_item_ptr(l, i, struct btrfs_csum_item);
+			printf("\t\tcsum item\n");
+			break;
+		case BTRFS_EXTENT_DATA_KEY:
+			fi = btrfs_item_ptr(l, i,
+					    struct btrfs_file_extent_item);
+			print_file_extent_item(l, item, fi);
+			break;
+		case BTRFS_BLOCK_GROUP_ITEM_KEY:
+			bi = btrfs_item_ptr(l, i,
+					    struct btrfs_block_group_item);
+			read_extent_buffer(l, &bg_item, (unsigned long)bi,
+					   sizeof(bg_item));
+			printf("\t\tblock group used %llu flags %llu\n",
+			       (unsigned long long)btrfs_block_group_used(&bg_item),
+			       (unsigned long long)btrfs_block_group_flags(&bg_item));
+			break;
+		case BTRFS_CHUNK_ITEM_KEY:
+			print_chunk(l, btrfs_item_ptr(l, i, struct btrfs_chunk));
+			break;
+		case BTRFS_DEV_ITEM_KEY:
+			print_dev_item(l, btrfs_item_ptr(l, i,
+					struct btrfs_dev_item));
+			break;
+		case BTRFS_DEV_EXTENT_KEY:
+			dev_extent = btrfs_item_ptr(l, i,
+						    struct btrfs_dev_extent);
+			printf("\t\tdev extent chunk_tree %llu\n"
+			       "\t\tchunk objectid %llu chunk offset %llu "
+			       "length %llu\n",
+			       (unsigned long long)
+			       btrfs_dev_extent_chunk_tree(l, dev_extent),
+			       (unsigned long long)
+			       btrfs_dev_extent_chunk_objectid(l, dev_extent),
+			       (unsigned long long)
+			       btrfs_dev_extent_chunk_offset(l, dev_extent),
+			       (unsigned long long)
+			       btrfs_dev_extent_length(l, dev_extent));
 			break;
 		case BTRFS_STRING_ITEM_KEY:
-			printf("\t\titem data %.*s\n", btrfs_item_size(item),
-				btrfs_leaf_data(l) + btrfs_item_offset(item));
+			/* dirty, but it's simple */
+			str = l->data + btrfs_item_ptr_offset(l, i);
+			printf("\t\titem data %.*s\n", btrfs_item_size(l, item), str);
 			break;
 		};
 		fflush(stdout);
 	}
 }
-void btrfs_print_tree(struct btrfs_root *root, struct btrfs_buffer *t)
+
+void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb)
 {
 	int i;
 	u32 nr;
-	struct btrfs_node *c;
+	u32 size;
+	struct btrfs_key key;
 
-	if (!t)
+	if (!eb)
 		return;
-	c = &t->node;
-	nr = btrfs_header_nritems(&c->header);
-	if (btrfs_is_leaf(c)) {
-		btrfs_print_leaf(root, (struct btrfs_leaf *)c);
+	nr = btrfs_header_nritems(eb);
+	if (btrfs_is_leaf(eb)) {
+		btrfs_print_leaf(root, eb);
 		return;
 	}
-	printf("node %Lu level %d total ptrs %d free spc %u\n", t->blocknr,
-	        btrfs_header_level(&c->header), nr,
-		(u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
+	printf("node %llu level %d ptrs %d free %u generation %llu owner %llu\n",
+	       (unsigned long long)eb->start,
+	        btrfs_header_level(eb), nr,
+		(u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr,
+		(unsigned long long)btrfs_header_generation(eb),
+		(unsigned long long)btrfs_header_owner(eb));
+	print_uuids(eb);
 	fflush(stdout);
+	size = btrfs_level_size(root, btrfs_header_level(eb) - 1);
 	for (i = 0; i < nr; i++) {
-		printf("\tkey %d (%Lu %u %Lu) block %Lu\n",
+		u64 blocknr = btrfs_node_blockptr(eb, i);
+		btrfs_node_key_to_cpu(eb, &key, i);
+		printf("\tkey %d (%llu %x %llu) block %llu (%llu) gen %llu\n",
 		       i,
-		       c->ptrs[i].key.objectid,
-		       c->ptrs[i].key.flags,
-		       c->ptrs[i].key.offset,
-		       btrfs_node_blockptr(c, i));
+		       (unsigned long long)key.objectid,
+		       key.type,
+		       (unsigned long long)key.offset,
+		       (unsigned long long)blocknr,
+		       (unsigned long long)blocknr / size,
+		       (unsigned long long)btrfs_node_ptr_generation(eb, i));
 		fflush(stdout);
 	}
 	for (i = 0; i < nr; i++) {
-		struct btrfs_buffer *next_buf = read_tree_block(root,
-						btrfs_node_blockptr(c, i));
-		struct btrfs_node *next = &next_buf->node;
+		struct extent_buffer *next = read_tree_block(root,
+					     btrfs_node_blockptr(eb, i),
+					     size,
+					     btrfs_node_ptr_generation(eb, i));
 		if (btrfs_is_leaf(next) &&
-		    btrfs_header_level(&c->header) != 1)
+		    btrfs_header_level(eb) != 1)
 			BUG();
-		if (btrfs_header_level(&next->header) !=
-			btrfs_header_level(&c->header) - 1)
+		if (btrfs_header_level(next) !=
+			btrfs_header_level(eb) - 1)
 			BUG();
-		btrfs_print_tree(root, next_buf);
-		btrfs_block_release(root, next_buf);
+		btrfs_print_tree(root, next);
+		free_extent_buffer(next);
 	}
 }