#include "ctree.h"
#include "disk-io.h"
#include "print-tree.h"
+#include "utils.h"
+
+
+static void print_dir_item_type(struct extent_buffer *eb,
+ struct btrfs_dir_item *di)
+{
+ u8 type = btrfs_dir_type(eb, di);
+
+ switch (type) {
+ case BTRFS_FT_REG_FILE:
+ printf("FILE");
+ break;
+ case BTRFS_FT_DIR:
+ printf("DIR");
+ break;
+ case BTRFS_FT_CHRDEV:
+ printf("CHRDEV");
+ break;
+ case BTRFS_FT_BLKDEV:
+ printf("BLKDEV");
+ break;
+ case BTRFS_FT_FIFO:
+ printf("FIFO");
+ break;
+ case BTRFS_FT_SOCK:
+ printf("SOCK");
+ break;
+ case BTRFS_FT_SYMLINK:
+ printf("SYMLINK");
+ break;
+ case BTRFS_FT_XATTR:
+ printf("XATTR");
+ break;
+ default:
+ printf("%u", type);
+ }
+}
static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item,
struct btrfs_dir_item *di)
btrfs_dir_item_key(eb, di, &location);
printf("\t\tlocation ");
btrfs_print_key(&location);
- printf(" type %u\n", btrfs_dir_type(eb, di));
+ printf(" type ");
+ print_dir_item_type(eb, di);
+ printf("\n");
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);
+ if (data_len) {
+ len = (data_len <= sizeof(namebuf))? data_len: sizeof(namebuf);
+ read_extent_buffer(eb, namebuf,
+ (unsigned long)(di + 1) + name_len, len);
+ printf("\t\tdata %.*s\n", 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_extref_item(struct extent_buffer *eb,
+ struct btrfs_item *item,
+ struct btrfs_inode_extref *extref)
+{
+ u32 total;
+ u32 cur = 0;
+ u32 len;
+ u32 name_len = 0;
+ u64 index = 0;
+ u64 parent_objid;
+ char namebuf[BTRFS_NAME_LEN];
+
+ total = btrfs_item_size(eb, item);
+
+ while (cur < total) {
+ index = btrfs_inode_extref_index(eb, extref);
+ name_len = btrfs_inode_extref_name_len(eb, extref);
+ parent_objid = btrfs_inode_extref_parent(eb, extref);
+
+ len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
+
+ read_extent_buffer(eb, namebuf, (unsigned long)(extref->name), len);
+
+ printf("\t\tinode extref index %llu parent %llu namelen %u "
+ "name: %.*s\n",
+ (unsigned long long)index,
+ (unsigned long long)parent_objid,
+ name_len, len, namebuf);
+
+ len = sizeof(*extref) + name_len;
+ extref = (struct btrfs_inode_extref *)((char *)extref + len);
+ cur += len;
+ }
+ return 0;
+}
+
static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *item,
struct btrfs_inode_ref *ref)
{
return 0;
}
-static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
+/* Caller should ensure sizeof(*ret)>=21 "DATA|METADATA|RAID10" */
+static void bg_flags_to_str(u64 flags, char *ret)
+{
+ int empty = 1;
+
+ if (flags & BTRFS_BLOCK_GROUP_DATA) {
+ empty = 0;
+ strcpy(ret, "DATA");
+ }
+ if (flags & BTRFS_BLOCK_GROUP_METADATA) {
+ if (!empty)
+ strcat(ret, "|");
+ strcat(ret, "METADATA");
+ }
+ if (flags & BTRFS_BLOCK_GROUP_SYSTEM) {
+ if (!empty)
+ strcat(ret, "|");
+ strcat(ret, "SYSTEM");
+ }
+ switch (flags & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
+ case BTRFS_BLOCK_GROUP_RAID0:
+ strcat(ret, "|RAID0");
+ break;
+ case BTRFS_BLOCK_GROUP_RAID1:
+ strcat(ret, "|RAID1");
+ break;
+ case BTRFS_BLOCK_GROUP_DUP:
+ strcat(ret, "|DUP");
+ break;
+ case BTRFS_BLOCK_GROUP_RAID10:
+ strcat(ret, "|RAID10");
+ break;
+ case BTRFS_BLOCK_GROUP_RAID5:
+ strcat(ret, "|RAID5");
+ break;
+ case BTRFS_BLOCK_GROUP_RAID6:
+ strcat(ret, "|RAID6");
+ break;
+ default:
+ break;
+ }
+}
+
+/* Caller should ensure sizeof(*ret)>= 26 "OFF|SCANNING|INCONSISTENT" */
+static void qgroup_flags_to_str(u64 flags, char *ret)
+{
+ if (flags & BTRFS_QGROUP_STATUS_FLAG_ON)
+ strcpy(ret, "ON");
+ else
+ strcpy(ret, "OFF");
+
+ if (flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN)
+ strcat(ret, "|SCANNING");
+ if (flags & BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT)
+ strcat(ret, "|INCONSISTENT");
+}
+
+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",
+ char chunk_flags_str[32] = {0};
+
+ bg_flags_to_str(btrfs_chunk_type(eb, chunk), chunk_flags_str);
+ printf("\t\tchunk length %llu owner %llu stripe_len %llu\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);
+ (unsigned long long)btrfs_chunk_stripe_len(eb, chunk));
+ printf("\t\ttype %s num_stripes %d\n",
+ chunk_flags_str, num_stripes);
for (i = 0 ; i < num_stripes ; i++) {
+ unsigned char dev_uuid[BTRFS_UUID_SIZE];
+ char str_dev_uuid[BTRFS_UUID_UNPARSED_SIZE];
+
+ read_extent_buffer(eb, dev_uuid,
+ (unsigned long)btrfs_stripe_dev_uuid_nr(chunk, i),
+ BTRFS_UUID_SIZE);
+ uuid_unparse(dev_uuid, str_dev_uuid);
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));
+ printf("\t\t\tdev uuid: %s\n", str_dev_uuid);
}
}
+
static void print_dev_item(struct extent_buffer *eb,
struct btrfs_dev_item *dev_item)
{
+ char disk_uuid_c[BTRFS_UUID_UNPARSED_SIZE];
+ u8 disk_uuid[BTRFS_UUID_SIZE];
+
+ read_extent_buffer(eb, disk_uuid,
+ (unsigned long)btrfs_device_uuid(dev_item),
+ BTRFS_UUID_SIZE);
+ uuid_unparse(disk_uuid, disk_uuid_c);
printf("\t\tdev item devid %llu "
- "total_bytes %llu bytes used %Lu\n",
+ "total_bytes %llu bytes used %Lu\n"
+ "\t\tdev uuid %s\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));
+ (unsigned long long)btrfs_device_bytes_used(eb, dev_item),
+ disk_uuid_c);
}
static void print_uuids(struct extent_buffer *eb)
{
- char fs_uuid[37];
- char chunk_uuid[37];
+ char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
+ char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
u8 disk_uuid[BTRFS_UUID_SIZE];
- read_extent_buffer(eb, disk_uuid, (unsigned long)btrfs_header_fsid(eb),
+ read_extent_buffer(eb, disk_uuid, btrfs_header_fsid(),
BTRFS_FSID_SIZE);
- fs_uuid[36] = '\0';
+ fs_uuid[BTRFS_UUID_UNPARSED_SIZE - 1] = '\0';
uuid_unparse(disk_uuid, fs_uuid);
read_extent_buffer(eb, disk_uuid,
- (unsigned long)btrfs_header_chunk_tree_uuid(eb),
+ btrfs_header_chunk_tree_uuid(eb),
BTRFS_UUID_SIZE);
- chunk_uuid[36] = '\0';
+ chunk_uuid[BTRFS_UUID_UNPARSED_SIZE - 1] = '\0';
uuid_unparse(disk_uuid, chunk_uuid);
printf("fs uuid %s\nchunk uuid %s\n", fs_uuid, chunk_uuid);
}
+static void compress_type_to_str(u8 compress_type, char *ret)
+{
+ switch (compress_type) {
+ case BTRFS_COMPRESS_NONE:
+ strcpy(ret, "none");
+ break;
+ case BTRFS_COMPRESS_ZLIB:
+ strcpy(ret, "zlib");
+ break;
+ case BTRFS_COMPRESS_LZO:
+ strcpy(ret, "lzo");
+ break;
+ default:
+ sprintf(ret, "UNKNOWN.%d", compress_type);
+ }
+}
+
static void print_file_extent_item(struct extent_buffer *eb,
struct btrfs_item *item,
+ int slot,
struct btrfs_file_extent_item *fi)
{
int extent_type = btrfs_file_extent_type(eb, fi);
+ char compress_str[16];
+
+ compress_type_to_str(btrfs_file_extent_compression(eb, fi),
+ compress_str);
if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
printf("\t\tinline extent data size %u "
- "ram %u compress %d\n",
+ "ram %u compress(%s)\n",
btrfs_file_extent_inline_item_len(eb, item),
- btrfs_file_extent_inline_len(eb, fi),
- btrfs_file_extent_compression(eb, fi));
+ btrfs_file_extent_inline_len(eb, slot, fi),
+ compress_str);
return;
}
if (extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
(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));
+ printf("\t\textent compression(%s)\n", compress_str);
}
-static void print_extent_item(struct extent_buffer *eb, int slot)
+/* Caller should ensure sizeof(*ret) >= 16("DATA|TREE_BLOCK") */
+static void extent_flags_to_str(u64 flags, char *ret)
+{
+ int empty = 1;
+
+ if (flags & BTRFS_EXTENT_FLAG_DATA) {
+ empty = 0;
+ strcpy(ret, "DATA");
+ }
+ if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
+ if (!empty) {
+ empty = 0;
+ strcat(ret, "|");
+ }
+ strcat(ret, "TREE_BLOCK");
+ }
+ if (flags & BTRFS_BLOCK_FLAG_FULL_BACKREF) {
+ strcat(ret, "|");
+ strcat(ret, "FULL_BACKREF");
+ }
+}
+
+void print_extent_item(struct extent_buffer *eb, int slot, int metadata)
{
struct btrfs_extent_item *ei;
struct btrfs_extent_inline_ref *iref;
u32 item_size = btrfs_item_size_nr(eb, slot);
u64 flags;
u64 offset;
+ char flags_str[32] = {0};
if (item_size < sizeof(*ei)) {
#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item);
flags = btrfs_extent_flags(eb, ei);
+ extent_flags_to_str(flags, flags_str);
- printf("\t\textent refs %llu gen %llu flags %llu\n",
+ printf("\t\textent refs %llu gen %llu flags %s\n",
(unsigned long long)btrfs_extent_refs(eb, ei),
(unsigned long long)btrfs_extent_generation(eb, ei),
- (unsigned long long)flags);
+ flags_str);
- if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
+ if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK && !metadata) {
struct btrfs_tree_block_info *info;
info = (struct btrfs_tree_block_info *)(ei + 1);
btrfs_tree_block_key(eb, info, &key);
- printf("\t\ttree block key (%llu %x %llu) level %d\n",
- (unsigned long long)btrfs_disk_key_objectid(&key),
- key.type,
- (unsigned long long)btrfs_disk_key_offset(&key),
- btrfs_tree_block_level(eb, info));
+ printf("\t\ttree block ");
+ btrfs_print_key(&key);
+ printf(" level %d\n", btrfs_tree_block_level(eb, info));
iref = (struct btrfs_extent_inline_ref *)(info + 1);
- } else {
+ } else if (metadata) {
+ struct btrfs_key tmp;
+
+ btrfs_item_key_to_cpu(eb, &tmp, slot);
+ printf("\t\ttree block skinny level %d\n", (int)tmp.offset);
+ iref = (struct btrfs_extent_inline_ref *)(ei + 1);
+ } else{
iref = (struct btrfs_extent_inline_ref *)(ei + 1);
}
btrfs_shared_data_ref_count(eb, sref));
break;
default:
- BUG();
+ return;
}
ptr += btrfs_extent_inline_ref_size(type);
}
namelen, namebuf);
}
-static void print_key_type(u8 type)
+static int count_bytes(void *buf, int len, char b)
+{
+ int cnt = 0;
+ int i;
+ for (i = 0; i < len; i++) {
+ if (((char*)buf)[i] == b)
+ cnt++;
+ }
+ return cnt;
+}
+
+/*
+ * Caller must ensure sizeof(*ret) >= 7 "RDONLY"
+ */
+static void root_flags_to_str(u64 flags, char *ret)
+{
+ if (flags & BTRFS_ROOT_SUBVOL_RDONLY)
+ strcat(ret, "RDONLY");
+ else
+ strcat(ret, "none");
+}
+
+static void print_root(struct extent_buffer *leaf, int slot)
{
+ struct btrfs_root_item *ri;
+ struct btrfs_root_item root_item;
+ int len;
+ char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
+ char flags_str[32] = {0};
+
+ ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item);
+ len = btrfs_item_size_nr(leaf, slot);
+
+ memset(&root_item, 0, sizeof(root_item));
+ read_extent_buffer(leaf, &root_item, (unsigned long)ri, len);
+ root_flags_to_str(btrfs_root_flags(&root_item), flags_str);
+
+ printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu lastsnap %llu\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),
+ (unsigned long long)btrfs_root_generation(&root_item),
+ (unsigned long long)btrfs_root_last_snapshot(&root_item));
+ printf("\t\tflags 0x%llx(%s)\n", btrfs_root_flags(&root_item),
+ flags_str);
+
+ if (root_item.generation == root_item.generation_v2) {
+ uuid_unparse(root_item.uuid, uuid_str);
+ printf("\t\tuuid %s\n", uuid_str);
+ if (count_bytes(root_item.parent_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) {
+ uuid_unparse(root_item.parent_uuid, uuid_str);
+ printf("\t\tparent_uuid %s\n", uuid_str);
+ }
+ if (count_bytes(root_item.received_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) {
+ uuid_unparse(root_item.received_uuid, uuid_str);
+ printf("\t\treceived_uuid %s\n", uuid_str);
+ }
+ if (root_item.ctransid) {
+ printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n",
+ btrfs_root_ctransid(&root_item),
+ btrfs_root_otransid(&root_item),
+ btrfs_root_stransid(&root_item),
+ btrfs_root_rtransid(&root_item));
+ }
+ }
+ if (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 ");
+ btrfs_print_key(&root_item.drop_progress);
+ printf(" level %d\n", root_item.drop_level);
+ }
+}
+
+static void print_free_space_header(struct extent_buffer *leaf, int slot)
+{
+ struct btrfs_free_space_header *header;
+ struct btrfs_disk_key location;
+
+ header = btrfs_item_ptr(leaf, slot, struct btrfs_free_space_header);
+ btrfs_free_space_key(leaf, header, &location);
+ printf("\t\tlocation ");
+ btrfs_print_key(&location);
+ printf("\n");
+ printf("\t\tcache generation %llu entries %llu bitmaps %llu\n",
+ (unsigned long long)btrfs_free_space_generation(leaf, header),
+ (unsigned long long)btrfs_free_space_entries(leaf, header),
+ (unsigned long long)btrfs_free_space_bitmaps(leaf, header));
+}
+
+void print_key_type(FILE *stream, u64 objectid, u8 type)
+{
+ if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) {
+ fprintf(stream, "UNTYPED");
+ return;
+ }
+
switch (type) {
case BTRFS_INODE_ITEM_KEY:
- printf("INODE_ITEM");
+ fprintf(stream, "INODE_ITEM");
break;
case BTRFS_INODE_REF_KEY:
- printf("INODE_REF");
+ fprintf(stream, "INODE_REF");
+ break;
+ case BTRFS_INODE_EXTREF_KEY:
+ fprintf(stream, "INODE_EXTREF");
break;
case BTRFS_DIR_ITEM_KEY:
- printf("DIR_ITEM");
+ fprintf(stream, "DIR_ITEM");
break;
case BTRFS_DIR_INDEX_KEY:
- printf("DIR_INDEX");
+ fprintf(stream, "DIR_INDEX");
break;
case BTRFS_DIR_LOG_ITEM_KEY:
- printf("DIR_LOG_ITEM");
+ fprintf(stream, "DIR_LOG_ITEM");
break;
case BTRFS_DIR_LOG_INDEX_KEY:
- printf("DIR_LOG_INDEX");
+ fprintf(stream, "DIR_LOG_INDEX");
break;
case BTRFS_XATTR_ITEM_KEY:
- printf("XATTR_ITEM");
+ fprintf(stream, "XATTR_ITEM");
break;
case BTRFS_ORPHAN_ITEM_KEY:
- printf("ORPHAN_ITEM");
+ fprintf(stream, "ORPHAN_ITEM");
break;
case BTRFS_ROOT_ITEM_KEY:
- printf("ROOT_ITEM");
+ fprintf(stream, "ROOT_ITEM");
break;
case BTRFS_ROOT_REF_KEY:
- printf("ROOT_REF");
+ fprintf(stream, "ROOT_REF");
break;
case BTRFS_ROOT_BACKREF_KEY:
- printf("ROOT_BACKREF");
+ fprintf(stream, "ROOT_BACKREF");
break;
case BTRFS_EXTENT_ITEM_KEY:
- printf("EXTENT_ITEM");
+ fprintf(stream, "EXTENT_ITEM");
+ break;
+ case BTRFS_METADATA_ITEM_KEY:
+ fprintf(stream, "METADATA_ITEM");
break;
case BTRFS_TREE_BLOCK_REF_KEY:
- printf("TREE_BLOCK_REF");
+ fprintf(stream, "TREE_BLOCK_REF");
break;
case BTRFS_SHARED_BLOCK_REF_KEY:
- printf("SHARED_BLOCK_REF");
+ fprintf(stream, "SHARED_BLOCK_REF");
break;
case BTRFS_EXTENT_DATA_REF_KEY:
- printf("EXTENT_DATA_REF");
+ fprintf(stream, "EXTENT_DATA_REF");
break;
case BTRFS_SHARED_DATA_REF_KEY:
- printf("SHARED_DATA_REF");
+ fprintf(stream, "SHARED_DATA_REF");
break;
case BTRFS_EXTENT_REF_V0_KEY:
- printf("EXTENT_REF_V0");
+ fprintf(stream, "EXTENT_REF_V0");
break;
case BTRFS_CSUM_ITEM_KEY:
- printf("CSUM_ITEM");
+ fprintf(stream, "CSUM_ITEM");
break;
case BTRFS_EXTENT_CSUM_KEY:
- printf("EXTENT_CSUM");
+ fprintf(stream, "EXTENT_CSUM");
break;
case BTRFS_EXTENT_DATA_KEY:
- printf("EXTENT_DATA");
+ fprintf(stream, "EXTENT_DATA");
break;
case BTRFS_BLOCK_GROUP_ITEM_KEY:
- printf("BLOCK_GROUP_ITEM");
+ fprintf(stream, "BLOCK_GROUP_ITEM");
+ break;
+ case BTRFS_FREE_SPACE_INFO_KEY:
+ fprintf(stream, "FREE_SPACE_INFO");
+ break;
+ case BTRFS_FREE_SPACE_EXTENT_KEY:
+ fprintf(stream, "FREE_SPACE_EXTENT");
+ break;
+ case BTRFS_FREE_SPACE_BITMAP_KEY:
+ fprintf(stream, "FREE_SPACE_BITMAP");
break;
case BTRFS_CHUNK_ITEM_KEY:
- printf("CHUNK_ITEM");
+ fprintf(stream, "CHUNK_ITEM");
break;
case BTRFS_DEV_ITEM_KEY:
- printf("DEV_ITEM");
+ fprintf(stream, "DEV_ITEM");
break;
case BTRFS_DEV_EXTENT_KEY:
- printf("DEV_EXTENT");
+ fprintf(stream, "DEV_EXTENT");
+ break;
+ case BTRFS_BALANCE_ITEM_KEY:
+ fprintf(stream, "BALANCE_ITEM");
+ break;
+ case BTRFS_DEV_REPLACE_KEY:
+ fprintf(stream, "DEV_REPLACE");
break;
case BTRFS_STRING_ITEM_KEY:
- printf("STRING_ITEM");
+ fprintf(stream, "STRING_ITEM");
+ break;
+ case BTRFS_QGROUP_STATUS_KEY:
+ fprintf(stream, "QGROUP_STATUS");
+ break;
+ case BTRFS_QGROUP_RELATION_KEY:
+ fprintf(stream, "QGROUP_RELATION");
+ break;
+ case BTRFS_QGROUP_INFO_KEY:
+ fprintf(stream, "QGROUP_INFO");
+ break;
+ case BTRFS_QGROUP_LIMIT_KEY:
+ fprintf(stream, "QGROUP_LIMIT");
+ break;
+ case BTRFS_DEV_STATS_KEY:
+ fprintf(stream, "DEV_STATS");
+ break;
+ case BTRFS_UUID_KEY_SUBVOL:
+ fprintf(stream, "UUID_KEY_SUBVOL");
+ break;
+ case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
+ fprintf(stream, "UUID_KEY_RECEIVED_SUBVOL");
break;
default:
- printf("UNKNOWN");
+ fprintf(stream, "UNKNOWN.%d", type);
};
}
-static void print_objectid(unsigned long long objectid, u8 type)
+void print_objectid(FILE *stream, u64 objectid, u8 type)
{
- if (type == BTRFS_DEV_EXTENT_KEY) {
- printf("%llu", objectid); /* device id */
+ switch (type) {
+ case BTRFS_DEV_EXTENT_KEY:
+ /* device id */
+ fprintf(stream, "%llu", (unsigned long long)objectid);
+ return;
+ case BTRFS_QGROUP_RELATION_KEY:
+ fprintf(stream, "%llu/%llu", btrfs_qgroup_level(objectid),
+ btrfs_qgroup_subvid(objectid));
+ return;
+ case BTRFS_UUID_KEY_SUBVOL:
+ case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
+ fprintf(stream, "0x%016llx", (unsigned long long)objectid);
return;
}
switch (objectid) {
case BTRFS_ROOT_TREE_OBJECTID:
if (type == BTRFS_DEV_ITEM_KEY)
- printf("DEV_ITEMS");
+ fprintf(stream, "DEV_ITEMS");
else
- printf("ROOT_TREE");
+ fprintf(stream, "ROOT_TREE");
break;
case BTRFS_EXTENT_TREE_OBJECTID:
- printf("EXTENT_TREE");
+ fprintf(stream, "EXTENT_TREE");
break;
case BTRFS_CHUNK_TREE_OBJECTID:
- printf("CHUNK_TREE");
+ fprintf(stream, "CHUNK_TREE");
break;
case BTRFS_DEV_TREE_OBJECTID:
- printf("DEV_TREE");
+ fprintf(stream, "DEV_TREE");
break;
case BTRFS_FS_TREE_OBJECTID:
- printf("FS_TREE");
+ fprintf(stream, "FS_TREE");
break;
case BTRFS_ROOT_TREE_DIR_OBJECTID:
- printf("ROOT_TREE_DIR");
+ fprintf(stream, "ROOT_TREE_DIR");
break;
case BTRFS_CSUM_TREE_OBJECTID:
- printf("CSUM_TREE");
+ fprintf(stream, "CSUM_TREE");
+ break;
+ case BTRFS_BALANCE_OBJECTID:
+ fprintf(stream, "BALANCE");
break;
case BTRFS_ORPHAN_OBJECTID:
- printf("ORPHAN");
+ fprintf(stream, "ORPHAN");
break;
case BTRFS_TREE_LOG_OBJECTID:
- printf("TREE_LOG");
+ fprintf(stream, "TREE_LOG");
break;
case BTRFS_TREE_LOG_FIXUP_OBJECTID:
- printf("LOG_FIXUP");
+ fprintf(stream, "LOG_FIXUP");
break;
case BTRFS_TREE_RELOC_OBJECTID:
- printf("TREE_RELOC");
+ fprintf(stream, "TREE_RELOC");
break;
case BTRFS_DATA_RELOC_TREE_OBJECTID:
- printf("DATA_RELOC_TREE");
+ fprintf(stream, "DATA_RELOC_TREE");
break;
case BTRFS_EXTENT_CSUM_OBJECTID:
- printf("EXTENT_CSUM");
+ fprintf(stream, "EXTENT_CSUM");
+ break;
+ case BTRFS_FREE_SPACE_OBJECTID:
+ fprintf(stream, "FREE_SPACE");
+ break;
+ case BTRFS_FREE_INO_OBJECTID:
+ fprintf(stream, "FREE_INO");
+ break;
+ case BTRFS_QUOTA_TREE_OBJECTID:
+ fprintf(stream, "QUOTA_TREE");
+ break;
+ case BTRFS_UUID_TREE_OBJECTID:
+ fprintf(stream, "UUID_TREE");
+ break;
+ case BTRFS_FREE_SPACE_TREE_OBJECTID:
+ fprintf(stream, "FREE_SPACE_TREE");
break;
case BTRFS_MULTIPLE_OBJECTIDS:
- printf("MULTIPLE");
+ fprintf(stream, "MULTIPLE");
+ break;
+ case (u64)-1:
+ fprintf(stream, "-1");
break;
case BTRFS_FIRST_CHUNK_TREE_OBJECTID:
if (type == BTRFS_CHUNK_ITEM_KEY) {
- printf("FIRST_CHUNK_TREE");
+ fprintf(stream, "FIRST_CHUNK_TREE");
break;
}
/* fall-thru */
default:
- printf("%llu", objectid);
+ fprintf(stream, "%llu", (unsigned long long)objectid);
}
}
void btrfs_print_key(struct btrfs_disk_key *disk_key)
{
- u8 type;
+ u64 objectid = btrfs_disk_key_objectid(disk_key);
+ u8 type = btrfs_disk_key_type(disk_key);
+ u64 offset = btrfs_disk_key_offset(disk_key);
+
printf("key (");
- type = btrfs_disk_key_type(disk_key);
- print_objectid((unsigned long long)btrfs_disk_key_objectid(disk_key),
- type);
+ print_objectid(stdout, objectid, type);
printf(" ");
- print_key_type(type);
- printf(" %llu)", (unsigned long long)btrfs_disk_key_offset(disk_key));
+ print_key_type(stdout, objectid, type);
+ switch (type) {
+ case BTRFS_QGROUP_RELATION_KEY:
+ case BTRFS_QGROUP_INFO_KEY:
+ case BTRFS_QGROUP_LIMIT_KEY:
+ printf(" %llu/%llu)", btrfs_qgroup_level(offset),
+ btrfs_qgroup_subvid(offset));
+ break;
+ case BTRFS_UUID_KEY_SUBVOL:
+ case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
+ printf(" 0x%016llx)", (unsigned long long)offset);
+ break;
+ default:
+ if (offset == (u64)-1)
+ printf(" -1)");
+ else
+ printf(" %llu)", (unsigned long long)offset);
+ break;
+ }
+}
+
+static void print_uuid_item(struct extent_buffer *l, unsigned long offset,
+ u32 item_size)
+{
+ if (item_size & (sizeof(u64) - 1)) {
+ printf("btrfs: uuid item with illegal size %lu!\n",
+ (unsigned long)item_size);
+ return;
+ }
+ while (item_size) {
+ __le64 subvol_id;
+
+ read_extent_buffer(l, &subvol_id, offset, sizeof(u64));
+ printf("\t\tsubvol_id %llu\n",
+ (unsigned long long)le64_to_cpu(subvol_id));
+ item_size -= sizeof(u64);
+ offset += sizeof(u64);
+ }
+}
+
+/* Btrfs inode flag stringification helper */
+#define STRCAT_ONE_INODE_FLAG(flags, name, empty, dst) ({ \
+ if (flags & BTRFS_INODE_##name) { \
+ if (!empty) \
+ strcat(dst, "|"); \
+ strcat(dst, #name); \
+ empty = 0; \
+ } \
+})
+
+/*
+ * Caller should ensure sizeof(*ret) >= 102: all charactors plus '|' of
+ * BTRFS_INODE_* flags
+ */
+static void inode_flags_to_str(u64 flags, char *ret)
+{
+ int empty = 1;
+
+ STRCAT_ONE_INODE_FLAG(flags, NODATASUM, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, NODATACOW, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, READONLY, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, NOCOMPRESS, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, PREALLOC, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, SYNC, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, IMMUTABLE, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, APPEND, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, NODUMP, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, NOATIME, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, DIRSYNC, empty, ret);
+ STRCAT_ONE_INODE_FLAG(flags, COMPRESS, empty, ret);
+ if (empty)
+ strcat(ret, "none");
}
void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
int i;
char *str;
struct btrfs_item *item;
- struct btrfs_root_item *ri;
struct btrfs_dir_item *di;
struct btrfs_inode_item *ii;
struct btrfs_file_extent_item *fi;
struct btrfs_extent_data_ref *dref;
struct btrfs_shared_data_ref *sref;
struct btrfs_inode_ref *iref;
+ struct btrfs_inode_extref *iref2;
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;
+ struct btrfs_free_space_info *free_info;
struct btrfs_dir_log_item *dlog;
+ struct btrfs_qgroup_info_item *qg_info;
+ struct btrfs_qgroup_limit_item *qg_limit;
+ struct btrfs_qgroup_status_item *qg_status;
u32 nr = btrfs_header_nritems(l);
+ u64 objectid;
u32 type;
+ char flags_str[256];
printf("leaf %llu items %d free space %d generation %llu owner %llu\n",
(unsigned long long)btrfs_header_bytenr(l), nr,
print_uuids(l);
fflush(stdout);
for (i = 0 ; i < nr ; i++) {
- item = btrfs_item_nr(l, i);
+ item = btrfs_item_nr(i);
btrfs_item_key(l, &disk_key, i);
+ objectid = btrfs_disk_key_objectid(&disk_key);
type = btrfs_disk_key_type(&disk_key);
printf("\titem %d ", i);
btrfs_print_key(&disk_key);
printf(" itemoff %d itemsize %d\n",
btrfs_item_offset(l, item),
btrfs_item_size(l, item));
+
+ if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID)
+ print_free_space_header(l, i);
+
switch (type) {
case BTRFS_INODE_ITEM_KEY:
+ memset(flags_str, 0, sizeof(flags_str));
ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
- printf("\t\tinode generation %llu size %llu block group %llu mode %o links %u\n",
+ inode_flags_to_str(btrfs_inode_flags(l, ii), flags_str);
+ printf("\t\tinode generation %llu transid %llu size %llu nbytes %llu\n"
+ "\t\tblock group %llu mode %o links %u uid %u gid %u\n"
+ "\t\trdev %llu flags 0x%llx(%s)\n",
(unsigned long long)btrfs_inode_generation(l, ii),
+ (unsigned long long)btrfs_inode_transid(l, ii),
(unsigned long long)btrfs_inode_size(l, ii),
+ (unsigned long long)btrfs_inode_nbytes(l, ii),
(unsigned long long)btrfs_inode_block_group(l,ii),
btrfs_inode_mode(l, ii),
- btrfs_inode_nlink(l, ii));
+ btrfs_inode_nlink(l, ii),
+ btrfs_inode_uid(l, ii),
+ btrfs_inode_gid(l, ii),
+ (unsigned long long)btrfs_inode_rdev(l,ii),
+ (unsigned long long)btrfs_inode_flags(l,ii),
+ flags_str);
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_INODE_EXTREF_KEY:
+ iref2 = btrfs_item_ptr(l, i, struct btrfs_inode_extref);
+ print_inode_extref_item(l, item, iref2);
+ break;
case BTRFS_DIR_ITEM_KEY:
case BTRFS_DIR_INDEX_KEY:
case BTRFS_XATTR_ITEM_KEY:
case BTRFS_DIR_LOG_ITEM_KEY:
dlog = btrfs_item_ptr(l, i, struct btrfs_dir_log_item);
printf("\t\tdir log end %Lu\n",
- btrfs_dir_log_end(l, dlog));
+ (unsigned long long)btrfs_dir_log_end(l, dlog));
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);
- 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 (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 ");
- btrfs_print_key(&root_item.drop_progress);
- printf(" level %d\n", root_item.drop_level);
- }
+ print_root(l, i);
break;
case BTRFS_ROOT_REF_KEY:
print_root_ref(l, i, "ref");
print_root_ref(l, i, "backref");
break;
case BTRFS_EXTENT_ITEM_KEY:
- print_extent_item(l, i);
+ print_extent_item(l, i, 0);
+ break;
+ case BTRFS_METADATA_ITEM_KEY:
+ print_extent_item(l, i, 1);
break;
case BTRFS_TREE_BLOCK_REF_KEY:
printf("\t\ttree block backref\n");
case BTRFS_EXTENT_DATA_KEY:
fi = btrfs_item_ptr(l, i,
struct btrfs_file_extent_item);
- print_file_extent_item(l, item, fi);
+ print_file_extent_item(l, item, i, 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 chunk_objectid %llu flags %llu\n",
+ memset(flags_str, 0, sizeof(flags_str));
+ bg_flags_to_str(btrfs_block_group_flags(&bg_item),
+ flags_str);
+ printf("\t\tblock group used %llu chunk_objectid %llu flags %s\n",
(unsigned long long)btrfs_block_group_used(&bg_item),
(unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
- (unsigned long long)btrfs_block_group_flags(&bg_item));
+ flags_str);
+ break;
+ case BTRFS_FREE_SPACE_INFO_KEY:
+ free_info = btrfs_item_ptr(l, i, struct btrfs_free_space_info);
+ printf("\t\tfree space info extent count %u flags %u\n",
+ (unsigned)btrfs_free_space_extent_count(l, free_info),
+ (unsigned)btrfs_free_space_flags(l, free_info));
+ break;
+ case BTRFS_FREE_SPACE_EXTENT_KEY:
+ printf("\t\tfree space extent\n");
+ break;
+ case BTRFS_FREE_SPACE_BITMAP_KEY:
+ printf("\t\tfree space bitmap\n");
break;
case BTRFS_CHUNK_ITEM_KEY:
print_chunk(l, btrfs_item_ptr(l, i, struct btrfs_chunk));
(unsigned long long)
btrfs_dev_extent_length(l, dev_extent));
break;
+ case BTRFS_QGROUP_STATUS_KEY:
+ qg_status = btrfs_item_ptr(l, i,
+ struct btrfs_qgroup_status_item);
+ memset(flags_str, 0, sizeof(flags_str));
+ qgroup_flags_to_str(btrfs_qgroup_status_flags(l, qg_status),
+ flags_str);
+ printf("\t\tversion %llu generation %llu flags %s "
+ "scan %lld\n",
+ (unsigned long long)
+ btrfs_qgroup_status_version(l, qg_status),
+ (unsigned long long)
+ btrfs_qgroup_status_generation(l, qg_status),
+ flags_str,
+ (unsigned long long)
+ btrfs_qgroup_status_rescan(l, qg_status));
+ break;
+ case BTRFS_QGROUP_RELATION_KEY:
+ break;
+ case BTRFS_QGROUP_INFO_KEY:
+ qg_info = btrfs_item_ptr(l, i,
+ struct btrfs_qgroup_info_item);
+ printf("\t\tgeneration %llu\n"
+ "\t\treferenced %llu referenced compressed %llu\n"
+ "\t\texclusive %llu exclusive compressed %llu\n",
+ (unsigned long long)
+ btrfs_qgroup_info_generation(l, qg_info),
+ (unsigned long long)
+ btrfs_qgroup_info_referenced(l, qg_info),
+ (unsigned long long)
+ btrfs_qgroup_info_referenced_compressed(l,
+ qg_info),
+ (unsigned long long)
+ btrfs_qgroup_info_exclusive(l, qg_info),
+ (unsigned long long)
+ btrfs_qgroup_info_exclusive_compressed(l,
+ qg_info));
+ break;
+ case BTRFS_QGROUP_LIMIT_KEY:
+ qg_limit = btrfs_item_ptr(l, i,
+ struct btrfs_qgroup_limit_item);
+ printf("\t\tflags %llx\n"
+ "\t\tmax referenced %lld max exclusive %lld\n"
+ "\t\trsv referenced %lld rsv exclusive %lld\n",
+ (unsigned long long)
+ btrfs_qgroup_limit_flags(l, qg_limit),
+ (long long)
+ btrfs_qgroup_limit_max_referenced(l, qg_limit),
+ (long long)
+ btrfs_qgroup_limit_max_exclusive(l, qg_limit),
+ (long long)
+ btrfs_qgroup_limit_rsv_referenced(l, qg_limit),
+ (long long)
+ btrfs_qgroup_limit_rsv_exclusive(l, qg_limit));
+ break;
+ case BTRFS_UUID_KEY_SUBVOL:
+ case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
+ print_uuid_item(l, btrfs_item_ptr_offset(l, i),
+ btrfs_item_size_nr(l, i));
+ break;
case BTRFS_STRING_ITEM_KEY:
/* 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;
+ case BTRFS_DEV_STATS_KEY:
+ printf("\t\tdevice stats\n");
+ break;
};
fflush(stdout);
}
u32 size;
struct btrfs_disk_key disk_key;
struct btrfs_key key;
+ struct extent_buffer *next;
if (!eb)
return;
(unsigned long long)btrfs_header_owner(eb));
print_uuids(eb);
fflush(stdout);
- size = btrfs_level_size(root, btrfs_header_level(eb) - 1);
+ size = root->nodesize;
for (i = 0; i < nr; i++) {
u64 blocknr = btrfs_node_blockptr(eb, i);
btrfs_node_key(eb, &disk_key, i);
return;
for (i = 0; i < nr; i++) {
- struct extent_buffer *next = read_tree_block(root,
- btrfs_node_blockptr(eb, i),
- size,
- btrfs_node_ptr_generation(eb, i));
- if (!next) {
+ next = read_tree_block(root, btrfs_node_blockptr(eb, i), size,
+ btrfs_node_ptr_generation(eb, i));
+ if (!extent_buffer_uptodate(next)) {
fprintf(stderr, "failed to read %llu in tree %llu\n",
(unsigned long long)btrfs_node_blockptr(eb, i),
(unsigned long long)btrfs_header_owner(eb));
continue;
}
- if (btrfs_is_leaf(next) &&
- btrfs_header_level(eb) != 1)
- BUG();
- if (btrfs_header_level(next) !=
- btrfs_header_level(eb) - 1)
- BUG();
+ if (btrfs_is_leaf(next) && btrfs_header_level(eb) != 1) {
+ warning(
+ "eb corrupted: item %d eb level %d next level %d, skipping the rest",
+ i, btrfs_header_level(next),
+ btrfs_header_level(eb));
+ goto out;
+ }
+ if (btrfs_header_level(next) != btrfs_header_level(eb) - 1) {
+ warning(
+ "eb corrupted: item %d eb level %d next level %d, skipping the rest",
+ i, btrfs_header_level(next),
+ btrfs_header_level(eb));
+ goto out;
+ }
btrfs_print_tree(root, next, 1);
free_extent_buffer(next);
}
+
+ return;
+
+out:
+ free_extent_buffer(next);
}