btrfs-debug-tree man page
btrfs-debug-tree — dump btrfs filesystem metadata into stdout
btrfs-debug-tree [options] <device>
btrfs-debug-tree is used to dump the whole tree of the given device.
This is maybe useful for analyzing filesystem state or inconsistence and has a positive educational effect on understanding the internal structure. <device> is the device file where the filesystem is stored.
- Print detailed extents info.
- Print info of btrfs device and root tree dirs only.
- Print info of roots only.
- -b <block_num>
- Print info of the specified block only.
btrfs-debug-tree will return 0 if no error happened. If any problems happened, 1 will be returned.