.TH BTRFS-DEBUG-TREE 8
.SH NAME
btrfs-debug-tree \- dump Btrfs filesystem metadata into stdout.
.SH SYNOPSIS
.B btrfs-debug-tree [\fIoptions\fP] \fI<device>\fP
.SH DESCRIPTION
\fBbtrfs-debug-tree\fP 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.
\fIdevice\fP is the device file where the filesystem is stored.

\fIOptions\fP
.IP "\fB-e\fP" 5
print detailed extents info.
.IP "\fB-d\fP" 5
print info of btrfs device and root tree dirs only.
.IP "\fB-r\fP" 5
print info of roots only.
.IP "\fB-b \fI<block_num>\fP" 5
print info of the specified block only.

.SH EXIT CODE
\fBbtrfs-debug-tree\fP will return 0 if no error happened.
If any problems happened, 1 will be returned.

.SH AUTHOR
Written by Shilong Wang and Wenruo Qu.

.SH COPYRIGHT
Copyright \(co 2013 Fujitsu, Inc.
License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
.br
This is free software: you are free  to  change  and  redistribute  it. There is NO WARRANTY, to the extent permitted by law.
.SH SEE ALSO
.BR mkfs.btrfs (8)