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package btrfsitem
import (
"git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsvol"
"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/internal"
"git.lukeshu.com/btrfs-progs-ng/lib/util"
)
// key.objectid = BTRFS_DEV_ITEMS_OBJECTID
// key.offset = device_id (starting at 1)
type Dev struct { // DEV_ITEM=216
DevID btrfsvol.DeviceID `bin:"off=0x0, siz=0x8"`
NumBytes uint64 `bin:"off=0x8, siz=0x8"`
NumBytesUsed uint64 `bin:"off=0x10, siz=0x8"`
IOOptimalAlign uint32 `bin:"off=0x18, siz=0x4"`
IOOptimalWidth uint32 `bin:"off=0x1c, siz=0x4"`
IOMinSize uint32 `bin:"off=0x20, siz=0x4"` // sector size
Type uint64 `bin:"off=0x24, siz=0x8"`
Generation internal.Generation `bin:"off=0x2c, siz=0x8"`
StartOffset uint64 `bin:"off=0x34, siz=0x8"`
DevGroup uint32 `bin:"off=0x3c, siz=0x4"`
SeekSpeed uint8 `bin:"off=0x40, siz=0x1"`
Bandwidth uint8 `bin:"off=0x41, siz=0x1"`
DevUUID util.UUID `bin:"off=0x42, siz=0x10"`
FSUUID util.UUID `bin:"off=0x52, siz=0x10"`
binstruct.End `bin:"off=0x62"`
}
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