diff options
| -rw-r--r-- | cmd/btrfs-dump-tree/main.go | 33 | ||||
| -rw-r--r-- | pkg/btrfs/btrfsitem/item_blockgroup.go | 38 | ||||
| -rw-r--r-- | pkg/btrfs/btrfsitem/item_chunk.go | 18 |
3 files changed, 74 insertions, 15 deletions
diff --git a/cmd/btrfs-dump-tree/main.go b/cmd/btrfs-dump-tree/main.go index 195d001..b87778b 100644 --- a/cmd/btrfs-dump-tree/main.go +++ b/cmd/btrfs-dump-tree/main.go @@ -118,8 +118,6 @@ func printTree(fs *btrfs.FS, root btrfs.LogicalAddr) error { item.Head.DataOffset, item.Head.DataSize) switch body := item.Body.(type) { - //case btrfsitem.UNTYPED_KEY: - // // TODO case btrfsitem.Inode: fmt.Printf(""+ "\t\tgeneration %d transid %d size %d nbytes %d\n"+ @@ -204,10 +202,33 @@ func printTree(fs *btrfs.FS, root btrfs.LogicalAddr) error { // fmt.Printf("\t\tfree space extent\n") //case btrfsitem.FREE_SPACE_BITMAP_KEY: // fmt.Printf("\t\tfree space bitmap\n") - //case btrfsitem.CHUNK_ITEM_KEY: - // // TODO(!) - //case btrfsitem.DEV_ITEM_KEY: - // // TODO + case btrfsitem.Chunk: + fmt.Printf("\t\tlength %d owner %d stripe_len %d type %v\n", + body.Size, body.Owner, body.StripeLen, body.Type) + fmt.Printf("\t\tio_align %d io_width %d sector_size %d\n", + body.IOOptimalAlign, body.IOOptimalWidth, body.IOMinSize) + fmt.Printf("\t\tnum_stripes %d sub_stripes %d\n", + body.NumStripes, body.SubStripes) + for i, stripe := range body.Stripes { + fmt.Printf("\t\t\tstripe %d devid %d offset %d\n", + i, stripe.DeviceID, stripe.Offset) + fmt.Printf("\t\t\tdev_uuid %s\n", + stripe.DeviceUUID) + } + case btrfsitem.Dev: + fmt.Printf(""+ + "\t\tdevid %d total_bytes %d bytes_used %d\n"+ + "\t\tio_align %d io_width %d sector_size %d type %d\n"+ + "\t\tgeneration %d start_offset %d dev_group %d\n"+ + "\t\tseek_speed %d bandwidth %d\n"+ + "\t\tuuid %s\n"+ + "\t\tfsid %s\n", + body.DeviceID, body.NumBytes, body.NumBytesUsed, + body.IOOptimalAlign, body.IOOptimalWidth, body.IOMinSize, body.Type, + body.Generation, body.StartOffset, body.DevGroup, + body.SeekSpeed, body.Bandwidth, + body.DevUUID, + body.FSUUID) //case btrfsitem.DEV_EXTENT_KEY: // // TODO //case btrfsitem.QGROUP_STATUS_KEY: diff --git a/pkg/btrfs/btrfsitem/item_blockgroup.go b/pkg/btrfs/btrfsitem/item_blockgroup.go new file mode 100644 index 0000000..162adb1 --- /dev/null +++ b/pkg/btrfs/btrfsitem/item_blockgroup.go @@ -0,0 +1,38 @@ +package btrfsitem + +import ( + "lukeshu.com/btrfs-tools/pkg/util" +) + +type BlockGroupFlags uint64 + +const ( + BLOCK_GROUP_DATA = BlockGroupFlags(1 << iota) + BLOCK_GROUP_SYSTEM + BLOCK_GROUP_METADATA + BLOCK_GROUP_RAID0 + BLOCK_GROUP_RAID1 + BLOCK_GROUP_DUP + BLOCK_GROUP_RAID10 + BLOCK_GROUP_RAID5 + BLOCK_GROUP_RAID6 + BLOCK_GROUP_RAID1C3 + BLOCK_GROUP_RAID1C4 +) + +var blockGroupFlagNames = []string{ + "DATA", + "SYSTEM", + "METADATA", + "RAID0", + "RAID1", + "DUP", + "RAID10", + "RAID5", + "RAID6", + "RAID1C3", + "RAID1C4", +} + +func (f BlockGroupFlags) Has(req BlockGroupFlags) bool { return f&req == req } +func (f BlockGroupFlags) String() string { return util.BitfieldString(f, blockGroupFlagNames) } diff --git a/pkg/btrfs/btrfsitem/item_chunk.go b/pkg/btrfs/btrfsitem/item_chunk.go index 7bb65b1..826ecc6 100644 --- a/pkg/btrfs/btrfsitem/item_chunk.go +++ b/pkg/btrfs/btrfsitem/item_chunk.go @@ -9,15 +9,15 @@ import ( type Chunk struct { // CHUNK_ITEM=228 // Maps logical address to physical. - Size uint64 `bin:"off=0x0, siz=0x8"` // size of chunk (bytes) - Owner internal.ObjID `bin:"off=0x8, siz=0x8"` // root referencing this chunk (2) - StripeLen uint64 `bin:"off=0x10, siz=0x8"` // stripe length - Type uint64 `bin:"off=0x18, siz=0x8"` // type (same as flags for block group?) - IOOptimalAlign uint32 `bin:"off=0x20, siz=0x4"` // optimal io alignment - IOOptimalWidth uint32 `bin:"off=0x24, siz=0x4"` // optimal io width - IoMinSize uint32 `bin:"off=0x28, siz=0x4"` // minimal io size (sector size) - NumStripes uint16 `bin:"off=0x2c, siz=0x2"` // number of stripes - SubStripes uint16 `bin:"off=0x2e, siz=0x2"` // sub stripes + Size uint64 `bin:"off=0x0, siz=0x8"` // size of chunk (bytes) + Owner internal.ObjID `bin:"off=0x8, siz=0x8"` // root referencing this chunk (2) + StripeLen uint64 `bin:"off=0x10, siz=0x8"` // stripe length + Type BlockGroupFlags `bin:"off=0x18, siz=0x8"` // type (same as flags for block group?) + IOOptimalAlign uint32 `bin:"off=0x20, siz=0x4"` // optimal io alignment + IOOptimalWidth uint32 `bin:"off=0x24, siz=0x4"` // optimal io width + IOMinSize uint32 `bin:"off=0x28, siz=0x4"` // minimal io size (sector size) + NumStripes uint16 `bin:"off=0x2c, siz=0x2"` // number of stripes + SubStripes uint16 `bin:"off=0x2e, siz=0x2"` // sub stripes binstruct.End `bin:"off=0x30"` Stripes []ChunkStripe `bin:"-"` } |