btrfs-debug-tree (8)


NAME

btrfs-debug-tree - dump Btrfs filesystem metadata into stdout.

SYNOPSIS

btrfs-debug-tree [options] <device>

DESCRIPTION

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.

Options

-e
print detailed extents info.
-d
print info of btrfs device and root tree dirs only.
-r
print info of roots only.
-b <block_num>
print info of the specified block only.

EXIT CODE

btrfs-debug-tree will return 0 if no error happened. If any problems happened, 1 will be returned.

AUTHOR

Written by Shilong Wang and Wenruo Qu.

COPYRIGHT

Copyright © 2013 Fujitsu, Inc. License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

mkfs.btrfs(8)