.\" Man page generated from reStructuredText. . . .nr rst2man-indent-level 0 . .de1 rstReportMargin \\$1 \\n[an-margin] level \\n[rst2man-indent-level] level margin: \\n[rst2man-indent\\n[rst2man-indent-level]] - \\n[rst2man-indent0] \\n[rst2man-indent1] \\n[rst2man-indent2] .. .de1 INDENT .\" .rstReportMargin pre: . RS \\$1 . nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin] . nr rst2man-indent-level +1 .\" .rstReportMargin post: .. .de UNINDENT . RE .\" indent \\n[an-margin] .\" old: \\n[rst2man-indent\\n[rst2man-indent-level]] .nr rst2man-indent-level -1 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]] .in \\n[rst2man-indent\\n[rst2man-indent-level]]u .. .TH "BTRFS-MAP-LOGICAL" "8" "Dec 01, 2024" "6.12" "BTRFS" .SH NAME btrfs-map-logical \- map btrfs logical extent to physical extent .SH SYNOPSIS .sp \fBbtrfs\-map\-logical\fP .SH DESCRIPTION .sp \fBbtrfs\-map\-logical\fP can be used to find out what the physical offsets are on the mirrors, the result is dumped to stdout by default. .sp Mainly used for debug purpose. .SH OPTIONS .INDENT 0.0 .TP .B \-l|\-\-logical Logical extent to map. .TP .B \-c|\-\-copy Copy of the extent to read(usually 1 or 2). .TP .B \-o|\-\-output Output file to hold the extent. .TP .B \-b|\-\-bytes Number of bytes to read. .UNINDENT .SH EXIT STATUS .sp \fBbtrfs\-map\-logical\fP will return 0 if no error happened. If any problems happened, 1 will be returned. .SH SEE ALSO .sp \fI\%mkfs.btrfs(8)\fP .\" Generated by docutils manpage writer. .