From 498d1486614d84da313b2135c5ba924ce693b7b9 Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Tue, 19 Jun 2018 16:30:29 +0200 Subject: [PATCH] lsblk: document --sysroot Signed-off-by: Karel Zak --- misc-utils/lsblk.8 | 6 ++++++ misc-utils/lsblk.c | 1 + 2 files changed, 7 insertions(+) diff --git a/misc-utils/lsblk.8 b/misc-utils/lsblk.8 index 708381448..61e8f896f 100644 --- a/misc-utils/lsblk.8 +++ b/misc-utils/lsblk.8 @@ -134,6 +134,12 @@ Display version information and exit. Sort output lines by \fIcolumn\fP. This option enables \fB\-\-list\fR output format by default. It is possible to use the option \fI\-\-tree\fP to force tree-like output and than the tree branches are sorted by the \fIcolumn\fP. +.TP +.BR " \-\-sysroot " \fIdirectory\fP +Gather data for a Linux instance other than the instance from which the lsblk +command is issued. The specified directory is the system root of the Linux +instance to be inspected. This option is designed for the testing purpose. + .SH NOTES For partitions, some information (e.g. queue attributes) is inherited from the parent device. diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c index ceb9d461c..156fcb466 100644 --- a/misc-utils/lsblk.c +++ b/misc-utils/lsblk.c @@ -1703,6 +1703,7 @@ static void __attribute__((__noreturn__)) usage(void) fputs(_(" -S, --scsi output info about SCSI devices\n"), out); fputs(_(" -t, --topology output info about topology\n"), out); fputs(_(" -x, --sort sort output by \n"), out); + fputs(_(" --sysroot use specified directory as system root\n"), out); fputs(USAGE_SEPARATOR, out); printf(USAGE_HELP_OPTIONS(22));