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.TH BTRFS-FIND-ROOT 8
.SH NAME
btrfs-find-root \- filter to find btrfs root.
.SH SYNOPSIS
.B btrfs-find-root [\fIoptions\fP] \fI<dev>\fP
.SH DESCRIPTION
\fBbtrfs-find-root\fP is used to find the satisfied root, you can filter by root tree's objectid, generation, level.
\fIOptions\fP
.IP "\fB-g \fI<generation>\fP" 5
filter root tree by it's original transaction id, tree root's generation in default.
.IP "\fB-o \fI<objectid>\fP" 5
filter root tree by it's objectid,tree root's objectid in default.
.IP "\fB-l \fI<level>\fP" 5
filter root tree by B-+ tree's level, level 0 in default.
.SH EXIT CODE
\fBbtrfs-find-root\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)
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