struct btrfs_dir_item *di)
{
u8 type = btrfs_dir_type(eb, di);
+ static const char* dir_item_str[] = {
+ [BTRFS_FT_REG_FILE] = "FILE",
+ [BTRFS_FT_DIR] = "DIR",
+ [BTRFS_FT_CHRDEV] = "CHRDEV",
+ [BTRFS_FT_BLKDEV] = "BLKDEV",
+ [BTRFS_FT_FIFO] = "FIFO",
+ [BTRFS_FT_SOCK] = "SOCK",
+ [BTRFS_FT_SYMLINK] = "SYMLINK",
+ [BTRFS_FT_XATTR] = "XATTR"
+ };
- 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);
- }
+ if (type < ARRAY_SIZE(dir_item_str) && dir_item_str[type])
+ printf("%s", dir_item_str[type]);
+ else
+ printf("DIR_ITEM.%u", type);
}
-static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item,
+static void print_dir_item(struct extent_buffer *eb, u32 size,
struct btrfs_dir_item *di)
{
- u32 total;
u32 cur = 0;
u32 len;
u32 name_len;
char namebuf[BTRFS_NAME_LEN];
struct btrfs_disk_key location;
- total = btrfs_item_size(eb, item);
- while(cur < total) {
+ while (cur < size) {
btrfs_dir_item_key(eb, di, &location);
printf("\t\tlocation ");
btrfs_print_key(&location);
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);
+ printf("\t\ttransid %llu data_len %u name_len %u\n",
+ btrfs_dir_transid(eb, di),
+ data_len, name_len);
+ printf("\t\tname: %.*s\n", len, namebuf);
if (data_len) {
len = (data_len <= sizeof(namebuf))? data_len: sizeof(namebuf);
read_extent_buffer(eb, namebuf,
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)
+static void print_inode_extref_item(struct extent_buffer *eb, u32 size,
+ struct btrfs_inode_extref *extref)
{
- u32 total;
u32 cur = 0;
u32 len;
u32 name_len = 0;
u64 parent_objid;
char namebuf[BTRFS_NAME_LEN];
- total = btrfs_item_size(eb, item);
-
- while (cur < total) {
+ while (cur < size) {
index = btrfs_inode_extref_index(eb, extref);
name_len = btrfs_inode_extref_name_len(eb, extref);
parent_objid = btrfs_inode_extref_parent(eb, extref);
read_extent_buffer(eb, namebuf, (unsigned long)(extref->name), len);
- printf("\t\tinode extref index %llu parent %llu namelen %u "
- "name: %.*s\n",
+ printf("\t\tindex %llu parent %llu namelen %u name: %.*s\n",
(unsigned long long)index,
(unsigned long long)parent_objid,
name_len, len, namebuf);
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,
+static void print_inode_ref_item(struct extent_buffer *eb, u32 size,
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) {
+
+ while (cur < size) {
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",
+ printf("\t\tindex %llu namelen %u name: %.*s\n",
(unsigned long long)index, name_len, len, namebuf);
len = sizeof(*ref) + name_len;
ref = (struct btrfs_inode_ref *)((char *)ref + len);
cur += len;
}
- return 0;
}
/* Caller should ensure sizeof(*ret)>=21 "DATA|METADATA|RAID10" */
strcat(ret, "|INCONSISTENT");
}
-void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk)
+void print_chunk_item(struct extent_buffer *eb, struct btrfs_chunk *chunk)
{
- int num_stripes = btrfs_chunk_num_stripes(eb, chunk);
+ u16 num_stripes = btrfs_chunk_num_stripes(eb, chunk);
int i;
+ u32 chunk_item_size;
char chunk_flags_str[32] = {0};
+ /* The chunk must contain at least one stripe */
+ if (num_stripes < 1) {
+ printf("invalid num_stripes: %u\n", num_stripes);
+ return;
+ }
+
+ chunk_item_size = btrfs_chunk_item_size(num_stripes);
+
+ if ((unsigned long)chunk + chunk_item_size > eb->len) {
+ printf("\t\tchunk item invalid\n");
+ return;
+ }
+
bg_flags_to_str(btrfs_chunk_type(eb, chunk), chunk_flags_str);
- printf("\t\tchunk length %llu owner %llu stripe_len %llu\n",
+ printf("\t\tlength %llu owner %llu stripe_len %llu type %s\n",
(unsigned long long)btrfs_chunk_length(eb, chunk),
(unsigned long long)btrfs_chunk_owner(eb, chunk),
- (unsigned long long)btrfs_chunk_stripe_len(eb, chunk));
- printf("\t\ttype %s num_stripes %d\n",
- chunk_flags_str, num_stripes);
+ (unsigned long long)btrfs_chunk_stripe_len(eb, chunk),
+ chunk_flags_str);
+ printf("\t\tio_align %u io_width %u sector_size %u\n",
+ btrfs_chunk_io_align(eb, chunk),
+ btrfs_chunk_io_width(eb, chunk),
+ btrfs_chunk_sector_size(eb, chunk));
+ printf("\t\tnum_stripes %hu sub_stripes %hu\n", num_stripes,
+ btrfs_chunk_sub_stripes(eb, chunk));
for (i = 0 ; i < num_stripes ; i++) {
+ unsigned char dev_uuid[BTRFS_UUID_SIZE];
+ char str_dev_uuid[BTRFS_UUID_UNPARSED_SIZE];
+ u64 uuid_offset;
+ u64 stripe_offset;
+
+ uuid_offset = (unsigned long)btrfs_stripe_dev_uuid_nr(chunk, i);
+ stripe_offset = (unsigned long)btrfs_stripe_nr(chunk, i);
+
+ if (uuid_offset < stripe_offset ||
+ (uuid_offset + BTRFS_UUID_SIZE) >
+ (stripe_offset + sizeof(struct btrfs_stripe))) {
+ printf("\t\t\tstripe %d invalid\n", i);
+ break;
+ }
+
+ read_extent_buffer(eb, dev_uuid,
+ uuid_offset,
+ 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];
+ char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
+ char fsid_str[BTRFS_UUID_UNPARSED_SIZE];
+ u8 uuid[BTRFS_UUID_SIZE];
+ u8 fsid[BTRFS_UUID_SIZE];
- read_extent_buffer(eb, disk_uuid,
+ read_extent_buffer(eb, 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"
- "\t\tdev uuid %s\n",
+ uuid_unparse(uuid, uuid_str);
+ read_extent_buffer(eb, fsid,
+ (unsigned long)btrfs_device_fsid(dev_item),
+ BTRFS_UUID_SIZE);
+ uuid_unparse(fsid, fsid_str);
+ printf("\t\tdevid %llu total_bytes %llu bytes_used %Lu\n"
+ "\t\tio_align %u io_width %u sector_size %u type %llu\n"
+ "\t\tgeneration %llu start_offset %llu dev_group %u\n"
+ "\t\tseek_speed %hhu bandwidth %hhu\n"
+ "\t\tuuid %s\n"
+ "\t\tfsid %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),
- disk_uuid_c);
+ btrfs_device_io_align(eb, dev_item),
+ btrfs_device_io_width(eb, dev_item),
+ btrfs_device_sector_size(eb, dev_item),
+ (unsigned long long)btrfs_device_type(eb, dev_item),
+ (unsigned long long)btrfs_device_generation(eb, dev_item),
+ (unsigned long long)btrfs_device_start_offset(eb, dev_item),
+ btrfs_device_group(eb, dev_item),
+ btrfs_device_seek_speed(eb, dev_item),
+ btrfs_device_bandwidth(eb, dev_item),
+ uuid_str, fsid_str);
}
static void print_uuids(struct extent_buffer *eb)
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;
+ case BTRFS_COMPRESS_ZSTD:
+ strcpy(ret, "zstd");
+ break;
+ default:
+ sprintf(ret, "UNKNOWN.%d", compress_type);
+ }
+}
+
+static const char* file_extent_type_to_str(u8 type)
+{
+ switch (type) {
+ case BTRFS_FILE_EXTENT_INLINE: return "inline";
+ case BTRFS_FILE_EXTENT_PREALLOC: return "prealloc";
+ case BTRFS_FILE_EXTENT_REG: return "regular";
+ default: return "unknown";
+ }
+}
+
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);
+ unsigned char extent_type = btrfs_file_extent_type(eb, fi);
+ char compress_str[16];
+
+ compress_type_to_str(btrfs_file_extent_compression(eb, fi),
+ compress_str);
+
+ printf("\t\tgeneration %llu type %hhu (%s)\n",
+ btrfs_file_extent_generation(eb, fi),
+ extent_type, file_extent_type_to_str(extent_type));
if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
- printf("\t\tinline extent data size %u "
- "ram %u compress %d\n",
- btrfs_file_extent_inline_item_len(eb, item),
- btrfs_file_extent_inline_len(eb, slot, fi),
- btrfs_file_extent_compression(eb, fi));
+ printf("\t\tinline extent data size %u ram_bytes %u compression %hhu (%s)\n",
+ btrfs_file_extent_inline_item_len(eb, item),
+ btrfs_file_extent_inline_len(eb, slot, fi),
+ btrfs_file_extent_compression(eb, 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 %hhu (%s)\n",
+ btrfs_file_extent_compression(eb, fi),
+ compress_str);
}
/* Caller should ensure sizeof(*ret) >= 16("DATA|TREE_BLOCK") */
struct btrfs_extent_item_v0 *ei0;
BUG_ON(item_size != sizeof(*ei0));
ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0);
- printf("\t\textent refs %u\n",
+ printf("\t\trefs %u\n",
btrfs_extent_refs_v0(eb, ei0));
return;
#else
flags = btrfs_extent_flags(eb, ei);
extent_flags_to_str(flags, flags_str);
- printf("\t\textent refs %llu gen %llu flags %s\n",
+ printf("\t\trefs %llu gen %llu flags %s\n",
(unsigned long long)btrfs_extent_refs(eb, ei),
(unsigned long long)btrfs_extent_generation(eb, ei),
flags_str);
}
#endif
-static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag)
+static void print_root_ref(struct extent_buffer *leaf, int slot, const char *tag)
{
struct btrfs_root_ref *ref;
char namebuf[BTRFS_NAME_LEN];
namelen, namebuf);
}
-static int count_bytes(void *buf, int len, char b)
+static int empty_uuid(const u8 *uuid)
{
- int cnt = 0;
int i;
- for (i = 0; i < len; i++) {
- if (((char*)buf)[i] == b)
- cnt++;
- }
- return cnt;
+
+ for (i = 0; i < BTRFS_UUID_SIZE; i++)
+ if (uuid[i])
+ return 0;
+ return 1;
+}
+
+/*
+ * 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)
+static void print_timespec(struct extent_buffer *eb,
+ struct btrfs_timespec *timespec, const char *prefix,
+ const char *suffix)
+{
+ struct tm tm;
+ u64 tmp_u64;
+ u32 tmp_u32;
+ time_t tmp_time;
+ char timestamp[256];
+
+ tmp_u64 = btrfs_timespec_sec(eb, timespec);
+ tmp_u32 = btrfs_timespec_nsec(eb, timespec);
+ tmp_time = tmp_u64;
+ localtime_r(&tmp_time, &tm);
+ strftime(timestamp, sizeof(timestamp),
+ "%Y-%m-%d %H:%M:%S", &tm);
+ printf("%s%llu.%u (%s)%s", prefix, (unsigned long long)tmp_u64, tmp_u32,
+ timestamp, suffix);
+}
+
+static void print_root_item(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};
+ struct btrfs_key drop_key;
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\n",
+ printf("\t\tgeneration %llu root_dirid %llu bytenr %llu level %hhu refs %u\n",
+ (unsigned long long)btrfs_root_generation(&root_item),
+ (unsigned long long)btrfs_root_dirid(&root_item),
(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));
+ btrfs_root_refs(&root_item));
+ printf("\t\tlastsnap %llu byte_limit %llu bytes_used %llu flags 0x%llx(%s)\n",
+ (unsigned long long)btrfs_root_last_snapshot(&root_item),
+ (unsigned long long)btrfs_root_limit(&root_item),
+ (unsigned long long)btrfs_root_used(&root_item),
+ (unsigned long long)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) {
+ if (!empty_uuid(root_item.parent_uuid)) {
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) {
+ if (!empty_uuid(root_item.received_uuid)) {
uuid_unparse(root_item.received_uuid, uuid_str);
printf("\t\treceived_uuid %s\n", uuid_str);
}
btrfs_root_stransid(&root_item),
btrfs_root_rtransid(&root_item));
}
+ if (btrfs_timespec_sec(leaf, btrfs_root_ctime(ri)))
+ print_timespec(leaf, btrfs_root_ctime(ri),
+ "\t\tctime ", "\n");
+ if (btrfs_timespec_sec(leaf, btrfs_root_otime(ri)))
+ print_timespec(leaf, btrfs_root_otime(ri),
+ "\t\totime ", "\n");
+ if (btrfs_timespec_sec(leaf, btrfs_root_stime(ri)))
+ print_timespec(leaf, btrfs_root_stime(ri),
+ "\t\tstime ", "\n");
+ if (btrfs_timespec_sec(leaf, btrfs_root_rtime(ri)))
+ print_timespec(leaf, btrfs_root_rtime(ri),
+ "\t\trtime ", "\n");
}
- 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);
- }
+
+ btrfs_disk_key_to_cpu(&drop_key, &root_item.drop_progress);
+ printf("\t\tdrop ");
+ btrfs_print_key(&root_item.drop_progress);
+ printf(" level %hhu\n", root_item.drop_level);
}
static void print_free_space_header(struct extent_buffer *leaf, int slot)
(unsigned long long)btrfs_free_space_bitmaps(leaf, header));
}
-static void print_key_type(u64 objectid, u8 type)
+void print_key_type(FILE *stream, u64 objectid, u8 type)
{
+ static const char* key_to_str[256] = {
+ [BTRFS_INODE_ITEM_KEY] = "INODE_ITEM",
+ [BTRFS_INODE_REF_KEY] = "INODE_REF",
+ [BTRFS_INODE_EXTREF_KEY] = "INODE_EXTREF",
+ [BTRFS_DIR_ITEM_KEY] = "DIR_ITEM",
+ [BTRFS_DIR_INDEX_KEY] = "DIR_INDEX",
+ [BTRFS_DIR_LOG_ITEM_KEY] = "DIR_LOG_ITEM",
+ [BTRFS_DIR_LOG_INDEX_KEY] = "DIR_LOG_INDEX",
+ [BTRFS_XATTR_ITEM_KEY] = "XATTR_ITEM",
+ [BTRFS_ORPHAN_ITEM_KEY] = "ORPHAN_ITEM",
+ [BTRFS_ROOT_ITEM_KEY] = "ROOT_ITEM",
+ [BTRFS_ROOT_REF_KEY] = "ROOT_REF",
+ [BTRFS_ROOT_BACKREF_KEY] = "ROOT_BACKREF",
+ [BTRFS_EXTENT_ITEM_KEY] = "EXTENT_ITEM",
+ [BTRFS_METADATA_ITEM_KEY] = "METADATA_ITEM",
+ [BTRFS_TREE_BLOCK_REF_KEY] = "TREE_BLOCK_REF",
+ [BTRFS_SHARED_BLOCK_REF_KEY] = "SHARED_BLOCK_REF",
+ [BTRFS_EXTENT_DATA_REF_KEY] = "EXTENT_DATA_REF",
+ [BTRFS_SHARED_DATA_REF_KEY] = "SHARED_DATA_REF",
+ [BTRFS_EXTENT_REF_V0_KEY] = "EXTENT_REF_V0",
+ [BTRFS_CSUM_ITEM_KEY] = "CSUM_ITEM",
+ [BTRFS_EXTENT_CSUM_KEY] = "EXTENT_CSUM",
+ [BTRFS_EXTENT_DATA_KEY] = "EXTENT_DATA",
+ [BTRFS_BLOCK_GROUP_ITEM_KEY] = "BLOCK_GROUP_ITEM",
+ [BTRFS_FREE_SPACE_INFO_KEY] = "FREE_SPACE_INFO",
+ [BTRFS_FREE_SPACE_EXTENT_KEY] = "FREE_SPACE_EXTENT",
+ [BTRFS_FREE_SPACE_BITMAP_KEY] = "FREE_SPACE_BITMAP",
+ [BTRFS_CHUNK_ITEM_KEY] = "CHUNK_ITEM",
+ [BTRFS_DEV_ITEM_KEY] = "DEV_ITEM",
+ [BTRFS_DEV_EXTENT_KEY] = "DEV_EXTENT",
+ [BTRFS_TEMPORARY_ITEM_KEY] = "TEMPORARY_ITEM",
+ [BTRFS_DEV_REPLACE_KEY] = "DEV_REPLACE",
+ [BTRFS_STRING_ITEM_KEY] = "STRING_ITEM",
+ [BTRFS_QGROUP_STATUS_KEY] = "QGROUP_STATUS",
+ [BTRFS_QGROUP_RELATION_KEY] = "QGROUP_RELATION",
+ [BTRFS_QGROUP_INFO_KEY] = "QGROUP_INFO",
+ [BTRFS_QGROUP_LIMIT_KEY] = "QGROUP_LIMIT",
+ [BTRFS_PERSISTENT_ITEM_KEY] = "PERSISTENT_ITEM",
+ [BTRFS_UUID_KEY_SUBVOL] = "UUID_KEY_SUBVOL",
+ [BTRFS_UUID_KEY_RECEIVED_SUBVOL] = "UUID_KEY_RECEIVED_SUBVOL",
+ };
+
if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID) {
- printf("UNTYPED");
+ fprintf(stream, "UNTYPED");
return;
}
- switch (type) {
- case BTRFS_INODE_ITEM_KEY:
- printf("INODE_ITEM");
- break;
- case BTRFS_INODE_REF_KEY:
- printf("INODE_REF");
- break;
- case BTRFS_INODE_EXTREF_KEY:
- printf("INODE_EXTREF");
- break;
- case BTRFS_DIR_ITEM_KEY:
- printf("DIR_ITEM");
- break;
- case BTRFS_DIR_INDEX_KEY:
- printf("DIR_INDEX");
- break;
- case BTRFS_DIR_LOG_ITEM_KEY:
- printf("DIR_LOG_ITEM");
- break;
- case BTRFS_DIR_LOG_INDEX_KEY:
- printf("DIR_LOG_INDEX");
- break;
- case BTRFS_XATTR_ITEM_KEY:
- printf("XATTR_ITEM");
- break;
- case BTRFS_ORPHAN_ITEM_KEY:
- printf("ORPHAN_ITEM");
- break;
- case BTRFS_ROOT_ITEM_KEY:
- printf("ROOT_ITEM");
- break;
- case BTRFS_ROOT_REF_KEY:
- printf("ROOT_REF");
- break;
- case BTRFS_ROOT_BACKREF_KEY:
- printf("ROOT_BACKREF");
- break;
- case BTRFS_EXTENT_ITEM_KEY:
- printf("EXTENT_ITEM");
- break;
- case BTRFS_METADATA_ITEM_KEY:
- printf("METADATA_ITEM");
- break;
- case BTRFS_TREE_BLOCK_REF_KEY:
- printf("TREE_BLOCK_REF");
- break;
- case BTRFS_SHARED_BLOCK_REF_KEY:
- printf("SHARED_BLOCK_REF");
- break;
- case BTRFS_EXTENT_DATA_REF_KEY:
- printf("EXTENT_DATA_REF");
- break;
- case BTRFS_SHARED_DATA_REF_KEY:
- printf("SHARED_DATA_REF");
- break;
- case BTRFS_EXTENT_REF_V0_KEY:
- printf("EXTENT_REF_V0");
- break;
- case BTRFS_CSUM_ITEM_KEY:
- printf("CSUM_ITEM");
- break;
- case BTRFS_EXTENT_CSUM_KEY:
- printf("EXTENT_CSUM");
- break;
- case BTRFS_EXTENT_DATA_KEY:
- printf("EXTENT_DATA");
- break;
- case BTRFS_BLOCK_GROUP_ITEM_KEY:
- printf("BLOCK_GROUP_ITEM");
- break;
- case BTRFS_CHUNK_ITEM_KEY:
- printf("CHUNK_ITEM");
- break;
- case BTRFS_DEV_ITEM_KEY:
- printf("DEV_ITEM");
- break;
- case BTRFS_DEV_EXTENT_KEY:
- printf("DEV_EXTENT");
- break;
- case BTRFS_BALANCE_ITEM_KEY:
- printf("BALANCE_ITEM");
- break;
- case BTRFS_DEV_REPLACE_KEY:
- printf("DEV_REPLACE");
- break;
- case BTRFS_STRING_ITEM_KEY:
- printf("STRING_ITEM");
- break;
- case BTRFS_QGROUP_STATUS_KEY:
- printf("QGROUP_STATUS");
- break;
- case BTRFS_QGROUP_RELATION_KEY:
- printf("QGROUP_RELATION");
- break;
- case BTRFS_QGROUP_INFO_KEY:
- printf("QGROUP_INFO");
- break;
- case BTRFS_QGROUP_LIMIT_KEY:
- printf("QGROUP_LIMIT");
- break;
- case BTRFS_DEV_STATS_KEY:
- printf("DEV_STATS");
- break;
- case BTRFS_UUID_KEY_SUBVOL:
- printf("UUID_KEY_SUBVOL");
- break;
- case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
- printf("UUID_KEY_RECEIVED_SUBVOL");
- break;
- default:
- printf("UNKNOWN.%d", type);
- };
+
+ if (key_to_str[type])
+ fputs(key_to_str[type], stream);
+ else
+ fprintf(stream, "UNKNOWN.%d", type);
}
-static void print_objectid(u64 objectid, u8 type)
+void print_objectid(FILE *stream, u64 objectid, u8 type)
{
switch (type) {
case BTRFS_DEV_EXTENT_KEY:
- printf("%llu", (unsigned long long)objectid); /* device id */
+ /* device id */
+ fprintf(stream, "%llu", (unsigned long long)objectid);
return;
case BTRFS_QGROUP_RELATION_KEY:
- printf("%llu/%llu", btrfs_qgroup_level(objectid),
+ fprintf(stream, "%llu/%llu", btrfs_qgroup_level(objectid),
btrfs_qgroup_subvid(objectid));
return;
case BTRFS_UUID_KEY_SUBVOL:
case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
- printf("0x%016llx", (unsigned long long)objectid);
+ 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:
- printf("BALANCE");
+ 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:
- printf("FREE_SPACE");
+ fprintf(stream, "FREE_SPACE");
break;
case BTRFS_FREE_INO_OBJECTID:
- printf("FREE_INO");
+ fprintf(stream, "FREE_INO");
break;
case BTRFS_QUOTA_TREE_OBJECTID:
- printf("QUOTA_TREE");
+ fprintf(stream, "QUOTA_TREE");
break;
case BTRFS_UUID_TREE_OBJECTID:
- printf("UUID_TREE");
+ 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:
- printf("-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", (unsigned long long)objectid);
+ fprintf(stream, "%llu", (unsigned long long)objectid);
}
}
u64 offset = btrfs_disk_key_offset(disk_key);
printf("key (");
- print_objectid(objectid, type);
+ print_objectid(stdout, objectid, type);
printf(" ");
- print_key_type(objectid, type);
+ print_key_type(stdout, objectid, type);
switch (type) {
case BTRFS_QGROUP_RELATION_KEY:
case BTRFS_QGROUP_INFO_KEY:
case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
printf(" 0x%016llx)", (unsigned long long)offset);
break;
+
+ /*
+ * Key offsets of ROOT_ITEM point to tree root, print them in human
+ * readable format. Especially useful for trees like data/tree reloc
+ * tree, whose tree id can be negative.
+ */
+ case BTRFS_ROOT_ITEM_KEY:
+ printf(" ");
+ print_objectid(stdout, offset, type);
+ printf(")");
+ break;
default:
if (offset == (u64)-1)
printf(" -1)");
}
}
-void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
+/* 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");
+}
+
+static void print_inode_item(struct extent_buffer *eb,
+ struct btrfs_inode_item *ii)
+{
+ char flags_str[256];
+
+ memset(flags_str, 0, sizeof(flags_str));
+ inode_flags_to_str(btrfs_inode_flags(eb, ii), flags_str);
+ printf("\t\tgeneration %llu transid %llu size %llu nbytes %llu\n"
+ "\t\tblock group %llu mode %o links %u uid %u gid %u rdev %llu\n"
+ "\t\tsequence %llu flags 0x%llx(%s)\n",
+ (unsigned long long)btrfs_inode_generation(eb, ii),
+ (unsigned long long)btrfs_inode_transid(eb, ii),
+ (unsigned long long)btrfs_inode_size(eb, ii),
+ (unsigned long long)btrfs_inode_nbytes(eb, ii),
+ (unsigned long long)btrfs_inode_block_group(eb,ii),
+ btrfs_inode_mode(eb, ii),
+ btrfs_inode_nlink(eb, ii),
+ btrfs_inode_uid(eb, ii),
+ btrfs_inode_gid(eb, ii),
+ (unsigned long long)btrfs_inode_rdev(eb,ii),
+ (unsigned long long)btrfs_inode_sequence(eb, ii),
+ (unsigned long long)btrfs_inode_flags(eb,ii),
+ flags_str);
+ print_timespec(eb, btrfs_inode_atime(ii), "\t\tatime ", "\n");
+ print_timespec(eb, btrfs_inode_ctime(ii), "\t\tctime ", "\n");
+ print_timespec(eb, btrfs_inode_mtime(ii), "\t\tmtime ", "\n");
+ print_timespec(eb, btrfs_inode_otime(ii), "\t\totime ", "\n");
+}
+
+static void print_disk_balance_args(struct btrfs_disk_balance_args *ba)
+{
+ printf("\t\tprofiles %llu devid %llu target %llu flags %llu\n",
+ (unsigned long long)le64_to_cpu(ba->profiles),
+ (unsigned long long)le64_to_cpu(ba->devid),
+ (unsigned long long)le64_to_cpu(ba->target),
+ (unsigned long long)le64_to_cpu(ba->flags));
+ printf("\t\tusage_min %u usage_max %u pstart %llu pend %llu\n",
+ le32_to_cpu(ba->usage_min),
+ le32_to_cpu(ba->usage_max),
+ (unsigned long long)le64_to_cpu(ba->pstart),
+ (unsigned long long)le64_to_cpu(ba->pend));
+ printf("\t\tvstart %llu vend %llu limit_min %u limit_max %u\n",
+ (unsigned long long)le64_to_cpu(ba->vstart),
+ (unsigned long long)le64_to_cpu(ba->vend),
+ le32_to_cpu(ba->limit_min),
+ le32_to_cpu(ba->limit_max));
+ printf("\t\tstripes_min %u stripes_max %u\n",
+ le32_to_cpu(ba->stripes_min),
+ le32_to_cpu(ba->stripes_max));
+}
+
+static void print_balance_item(struct extent_buffer *eb,
+ struct btrfs_balance_item *bi)
+{
+ printf("\t\tbalance status flags %llu\n",
+ btrfs_balance_item_flags(eb, bi));
+
+ printf("\t\tDATA\n");
+ print_disk_balance_args(btrfs_balance_item_data(eb, bi));
+ printf("\t\tMETADATA\n");
+ print_disk_balance_args(btrfs_balance_item_meta(eb, bi));
+ printf("\t\tSYSTEM\n");
+ print_disk_balance_args(btrfs_balance_item_sys(eb, bi));
+}
+
+static void print_dev_stats(struct extent_buffer *eb,
+ struct btrfs_dev_stats_item *stats, u32 size)
{
int i;
- char *str;
- struct btrfs_item *item;
- struct btrfs_dir_item *di;
- struct btrfs_inode_item *ii;
- struct btrfs_file_extent_item *fi;
- struct btrfs_block_group_item *bi;
+ u32 known = BTRFS_DEV_STAT_VALUES_MAX * sizeof(__le64);
+ __le64 *values = btrfs_dev_stats_values(eb, stats);
+
+ printf("\t\tdevice stats\n");
+ printf("\t\twrite_errs %llu read_errs %llu flush_errs %llu corruption_errs %llu generation %llu\n",
+ (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_WRITE_ERRS]),
+ (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_READ_ERRS]),
+ (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_FLUSH_ERRS]),
+ (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_CORRUPTION_ERRS]),
+ (unsigned long long)le64_to_cpu(values[BTRFS_DEV_STAT_GENERATION_ERRS]));
+
+ if (known < size) {
+ printf("\t\tunknown stats item bytes %u", size - known);
+ for (i = BTRFS_DEV_STAT_VALUES_MAX; i * sizeof(__le64) < size; i++) {
+ printf("\t\tunknown item %u offset %zu value %llu\n",
+ i, i * sizeof(__le64),
+ (unsigned long long)le64_to_cpu(values[i]));
+ }
+ }
+}
+
+static void print_block_group_item(struct extent_buffer *eb,
+ struct btrfs_block_group_item *bgi)
+{
+ struct btrfs_block_group_item bg_item;
+ char flags_str[256];
+
+ read_extent_buffer(eb, &bg_item, (unsigned long)bgi, sizeof(bg_item));
+ 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),
+ flags_str);
+}
+
+static void print_extent_data_ref(struct extent_buffer *eb, int slot)
+{
struct btrfs_extent_data_ref *dref;
+
+ dref = btrfs_item_ptr(eb, slot, struct btrfs_extent_data_ref);
+ printf("\t\textent data backref root %llu "
+ "objectid %llu offset %llu count %u\n",
+ (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
+ (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
+ (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
+ btrfs_extent_data_ref_count(eb, dref));
+}
+
+static void print_shared_data_ref(struct extent_buffer *eb, int slot)
+{
struct btrfs_shared_data_ref *sref;
- struct btrfs_inode_ref *iref;
- struct btrfs_inode_extref *iref2;
+
+ sref = btrfs_item_ptr(eb, slot, struct btrfs_shared_data_ref);
+ printf("\t\tshared data backref count %u\n",
+ btrfs_shared_data_ref_count(eb, sref));
+}
+
+static void print_free_space_info(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_free_space_info *free_info;
+
+ free_info = btrfs_item_ptr(eb, slot, struct btrfs_free_space_info);
+ printf("\t\tfree space info extent count %u flags %u\n",
+ (unsigned)btrfs_free_space_extent_count(eb, free_info),
+ (unsigned)btrfs_free_space_flags(eb, free_info));
+}
+
+static void print_dev_extent(struct extent_buffer *eb, int slot)
+{
struct btrfs_dev_extent *dev_extent;
- struct btrfs_disk_key disk_key;
- struct btrfs_block_group_item bg_item;
- struct btrfs_dir_log_item *dlog;
+ u8 uuid[BTRFS_UUID_SIZE];
+ char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
+
+ dev_extent = btrfs_item_ptr(eb, slot, struct btrfs_dev_extent);
+ read_extent_buffer(eb, uuid,
+ (unsigned long)btrfs_dev_extent_chunk_tree_uuid(dev_extent),
+ BTRFS_UUID_SIZE);
+ uuid_unparse(uuid, uuid_str);
+ printf("\t\tdev extent chunk_tree %llu\n"
+ "\t\tchunk_objectid %llu chunk_offset %llu "
+ "length %llu\n"
+ "\t\tchunk_tree_uuid %s\n",
+ (unsigned long long)btrfs_dev_extent_chunk_tree(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_objectid(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_offset(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_length(eb, dev_extent),
+ uuid_str);
+}
+
+static void print_qgroup_status(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_status_item *qg_status;
+ char flags_str[256];
+
+ qg_status = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_status_item);
+ memset(flags_str, 0, sizeof(flags_str));
+ qgroup_flags_to_str(btrfs_qgroup_status_flags(eb, qg_status),
+ flags_str);
+ printf("\t\tversion %llu generation %llu flags %s scan %lld\n",
+ (unsigned long long)btrfs_qgroup_status_version(eb, qg_status),
+ (unsigned long long)btrfs_qgroup_status_generation(eb, qg_status),
+ flags_str,
+ (unsigned long long)btrfs_qgroup_status_rescan(eb, qg_status));
+}
+
+static void print_qgroup_info(struct extent_buffer *eb, int slot)
+{
struct btrfs_qgroup_info_item *qg_info;
+
+ qg_info = btrfs_item_ptr(eb, slot, 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(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced_compressed(eb,
+ qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive_compressed(eb,
+ qg_info));
+}
+
+static void print_qgroup_limit(struct extent_buffer *eb, int slot)
+{
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[32];
+
+ qg_limit = btrfs_item_ptr(eb, slot, 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(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_exclusive(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit));
+}
+
+static void print_persistent_item(struct extent_buffer *eb, void *ptr,
+ u32 item_size, u64 objectid, u64 offset)
+{
+ printf("\t\tpersistent item objectid ");
+ print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY);
+ printf(" offset %llu\n", (unsigned long long)offset);
+ switch (objectid) {
+ case BTRFS_DEV_STATS_OBJECTID:
+ print_dev_stats(eb, ptr, item_size);
+ break;
+ default:
+ printf("\t\tunknown persistent item objectid %llu\n", objectid);
+ }
+}
+
+static void print_temporary_item(struct extent_buffer *eb, void *ptr,
+ u64 objectid, u64 offset)
+{
+ printf("\t\ttemporary item objectid ");
+ print_objectid(stdout, objectid, BTRFS_TEMPORARY_ITEM_KEY);
+ printf(" offset %llu\n", (unsigned long long)offset);
+ switch (objectid) {
+ case BTRFS_BALANCE_OBJECTID:
+ print_balance_item(eb, ptr);
+ break;
+ default:
+ printf("\t\tunknown temporary item objectid %llu\n", objectid);
+ }
+}
+
+static void print_extent_csum(struct extent_buffer *eb,
+ struct btrfs_fs_info *fs_info, u32 item_size, u64 start)
+{
+ u32 size;
+
+ size = (item_size / btrfs_super_csum_size(fs_info->super_copy)) *
+ fs_info->sectorsize;
+ printf("\t\trange start %llu end %llu length %u\n",
+ (unsigned long long)start,
+ (unsigned long long)start + size, size);
+}
+
+/* Caller must ensure sizeof(*ret) >= 14 "WRITTEN|RELOC" */
+static void header_flags_to_str(u64 flags, char *ret)
+{
+ int empty = 1;
+
+ if (flags & BTRFS_HEADER_FLAG_WRITTEN) {
+ empty = 0;
+ strcpy(ret, "WRITTEN");
+ }
+ if (flags & BTRFS_HEADER_FLAG_RELOC) {
+ if (!empty)
+ strcat(ret, "|");
+ strcat(ret, "RELOC");
+ }
+}
+
+void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
+{
+ struct btrfs_item *item;
+ struct btrfs_disk_key disk_key;
+ char flags_str[128];
+ u32 i;
+ u32 nr;
+ u64 flags;
+ u8 backref_rev;
+
+ flags = btrfs_header_flags(eb) & ~BTRFS_BACKREF_REV_MASK;
+ backref_rev = btrfs_header_flags(eb) >> BTRFS_BACKREF_REV_SHIFT;
+ header_flags_to_str(flags, flags_str);
+ nr = btrfs_header_nritems(eb);
printf("leaf %llu items %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);
+ (unsigned long long)btrfs_header_bytenr(eb), nr,
+ btrfs_leaf_free_space(root, eb),
+ (unsigned long long)btrfs_header_generation(eb),
+ (unsigned long long)btrfs_header_owner(eb));
+ printf("leaf %llu flags 0x%llx(%s) backref revision %d\n",
+ btrfs_header_bytenr(eb), flags, flags_str, backref_rev);
+ print_uuids(eb);
fflush(stdout);
- for (i = 0 ; i < nr ; i++) {
+
+ for (i = 0; i < nr; i++) {
+ u32 item_size;
+ void *ptr;
+ u64 objectid;
+ u32 type;
+ u64 offset;
+
item = btrfs_item_nr(i);
- btrfs_item_key(l, &disk_key, i);
+ item_size = btrfs_item_size(eb, item);
+ /* Untyped extraction of slot from btrfs_item_ptr */
+ ptr = btrfs_item_ptr(eb, i, void*);
+
+ btrfs_item_key(eb, &disk_key, i);
objectid = btrfs_disk_key_objectid(&disk_key);
type = btrfs_disk_key_type(&disk_key);
+ offset = btrfs_disk_key_offset(&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));
+ btrfs_item_offset(eb, item),
+ btrfs_item_size(eb, item));
if (type == 0 && objectid == BTRFS_FREE_SPACE_OBJECTID)
- print_free_space_header(l, i);
+ print_free_space_header(eb, i);
switch (type) {
case BTRFS_INODE_ITEM_KEY:
- ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
- 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\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_uid(l, ii),
- btrfs_inode_gid(l, ii),
- (unsigned long long)btrfs_inode_rdev(l,ii),
- (unsigned long long)btrfs_inode_flags(l,ii));
+ print_inode_item(eb, ptr);
break;
case BTRFS_INODE_REF_KEY:
- iref = btrfs_item_ptr(l, i, struct btrfs_inode_ref);
- print_inode_ref_item(l, item, iref);
+ print_inode_ref_item(eb, item_size, ptr);
break;
case BTRFS_INODE_EXTREF_KEY:
- iref2 = btrfs_item_ptr(l, i, struct btrfs_inode_extref);
- print_inode_extref_item(l, item, iref2);
+ print_inode_extref_item(eb, item_size, ptr);
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);
- print_dir_item(l, item, di);
+ print_dir_item(eb, item_size, ptr);
break;
case BTRFS_DIR_LOG_INDEX_KEY:
- case BTRFS_DIR_LOG_ITEM_KEY:
- dlog = btrfs_item_ptr(l, i, struct btrfs_dir_log_item);
+ case BTRFS_DIR_LOG_ITEM_KEY: {
+ struct btrfs_dir_log_item *dlog;
+
+ dlog = btrfs_item_ptr(eb, i, struct btrfs_dir_log_item);
printf("\t\tdir log end %Lu\n",
- (unsigned long long)btrfs_dir_log_end(l, dlog));
- break;
+ (unsigned long long)btrfs_dir_log_end(eb, dlog));
+ break;
+ }
case BTRFS_ORPHAN_ITEM_KEY:
printf("\t\torphan item\n");
break;
case BTRFS_ROOT_ITEM_KEY:
- print_root(l, i);
+ print_root_item(eb, i);
break;
case BTRFS_ROOT_REF_KEY:
- print_root_ref(l, i, "ref");
+ print_root_ref(eb, i, "ref");
break;
case BTRFS_ROOT_BACKREF_KEY:
- print_root_ref(l, i, "backref");
+ print_root_ref(eb, i, "backref");
break;
case BTRFS_EXTENT_ITEM_KEY:
- print_extent_item(l, i, 0);
+ print_extent_item(eb, i, 0);
break;
case BTRFS_METADATA_ITEM_KEY:
- print_extent_item(l, i, 1);
+ print_extent_item(eb, i, 1);
break;
case BTRFS_TREE_BLOCK_REF_KEY:
printf("\t\ttree block backref\n");
printf("\t\tshared block backref\n");
break;
case BTRFS_EXTENT_DATA_REF_KEY:
- dref = btrfs_item_ptr(l, i, struct btrfs_extent_data_ref);
- printf("\t\textent data backref root %llu "
- "objectid %llu offset %llu count %u\n",
- (unsigned long long)btrfs_extent_data_ref_root(l, dref),
- (unsigned long long)btrfs_extent_data_ref_objectid(l, dref),
- (unsigned long long)btrfs_extent_data_ref_offset(l, dref),
- btrfs_extent_data_ref_count(l, dref));
+ print_extent_data_ref(eb, i);
break;
case BTRFS_SHARED_DATA_REF_KEY:
- sref = btrfs_item_ptr(l, i, struct btrfs_shared_data_ref);
- printf("\t\tshared data backref count %u\n",
- btrfs_shared_data_ref_count(l, sref));
+ print_shared_data_ref(eb, i);
break;
case BTRFS_EXTENT_REF_V0_KEY:
#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
- print_extent_ref_v0(l, i);
+ print_extent_ref_v0(eb, i);
#else
BUG();
#endif
printf("\t\tcsum item\n");
break;
case BTRFS_EXTENT_CSUM_KEY:
- printf("\t\textent csum item\n");
+ print_extent_csum(eb, root->fs_info, item_size,
+ offset);
break;
case BTRFS_EXTENT_DATA_KEY:
- fi = btrfs_item_ptr(l, i,
- struct btrfs_file_extent_item);
- print_file_extent_item(l, item, i, fi);
+ print_file_extent_item(eb, item, i, ptr);
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));
- 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),
- flags_str);
+ print_block_group_item(eb, ptr);
+ break;
+ case BTRFS_FREE_SPACE_INFO_KEY:
+ print_free_space_info(eb, i);
+ 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));
+ print_chunk_item(eb, ptr);
break;
case BTRFS_DEV_ITEM_KEY:
- print_dev_item(l, btrfs_item_ptr(l, i,
- struct btrfs_dev_item));
+ print_dev_item(eb, ptr);
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));
+ print_dev_extent(eb, i);
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_scan(l, qg_status));
+ print_qgroup_status(eb, i);
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));
+ print_qgroup_info(eb, i);
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));
+ print_qgroup_limit(eb, i);
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));
+ print_uuid_item(eb, btrfs_item_ptr_offset(eb, i),
+ btrfs_item_size_nr(eb, i));
+ break;
+ case BTRFS_STRING_ITEM_KEY: {
+ const char *str = eb->data + btrfs_item_ptr_offset(eb, i);
+
+ printf("\t\titem data %.*s\n", item_size, str);
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);
+ }
+ case BTRFS_PERSISTENT_ITEM_KEY:
+ print_persistent_item(eb, ptr, item_size, objectid,
+ offset);
break;
- case BTRFS_DEV_STATS_KEY:
- printf("\t\tdevice stats\n");
+ case BTRFS_TEMPORARY_ITEM_KEY:
+ print_temporary_item(eb, ptr, objectid, offset);
break;
};
fflush(stdout);
void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb, int follow)
{
- int i;
+ u32 i;
u32 nr;
- u32 size;
struct btrfs_disk_key disk_key;
struct btrfs_key key;
+ struct extent_buffer *next;
if (!eb)
return;
printf("node %llu level %d items %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,
+ (u32)BTRFS_NODEPTRS_PER_BLOCK(root->fs_info) - 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++) {
u64 blocknr = btrfs_node_blockptr(eb, i);
btrfs_node_key(eb, &disk_key, i);
btrfs_print_key(&disk_key);
printf(" block %llu (%llu) gen %llu\n",
(unsigned long long)blocknr,
- (unsigned long long)blocknr / size,
+ (unsigned long long)blocknr / root->fs_info->nodesize,
(unsigned long long)btrfs_node_ptr_generation(eb, i));
fflush(stdout);
}
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));
+ next = read_tree_block(root->fs_info,
+ btrfs_node_blockptr(eb, i),
+ 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);
}
projects / platform / upstream / btrfs-progs.git / blobdiff