'\" t
.\"     Title: btrfs-find-root
.\"    Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 02/05/2021
.\"    Manual: Btrfs Manual
.\"    Source: Btrfs v5.10.1
.\"  Language: English
.\"
.TH "BTRFS\-FIND\-ROOT" "8" "02/05/2021" "Btrfs v5\&.10\&.1" "Btrfs Manual"
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.SH "NAME"
btrfs-find-root \- filter to find btrfs root
.SH "SYNOPSIS"
.sp
\fBbtrfs\-find\-root\fR [options] \fI<device>\fR
.SH "DESCRIPTION"
.sp
\fBbtrfs\-find\-root\fR is used to find the satisfied root, you can filter by root tree\(cqs objectid, generation, level\&.
.SH "OPTIONS"
.PP
\-a
.RS 4
Search through all metadata extents, even the root has been already found\&.
.RE
.PP
\-g \fI<generation>\fR
.RS 4
Filter root tree by it\(cqs original transaction id, tree root\(cqs generation in default\&.
.RE
.PP
\-o \fI<objectid>\fR
.RS 4
Filter root tree by it\(cqs objectid,tree root\(cqs objectid in default\&.
.RE
.PP
\-l \fI<level>\fR
.RS 4
Filter root tree by B\-+ tree\(cqs level, level 0 in default\&.
.RE
.SH "EXIT STATUS"
.sp
\fBbtrfs\-find\-root\fR will return 0 if no error happened\&. If any problems happened, 1 will be returned\&.
.SH "SEE ALSO"
.sp
\fBmkfs\&.btrfs\fR(8)