.PP
\fBbtrfs\fP \fBsubvolume create\fP\fI [<dest>/]<name>\fP
.PP
-\fBbtrfs\fP \fBsubvolume list\fP\fI [-p] <path>\fP
+\fBbtrfs\fP \fBsubvolume list\fP\fI [-pr] <path>\fP
.PP
\fBbtrfs\fP \fBsubvolume set-default\fP\fI <id> <path>\fP
.PP
\fI<dest>\fR is omitted).
.TP
-\fBsubvolume list\fR\fI [-p] <path>\fR
+\fBsubvolume list\fR\fI [-pr] <path>\fR
List the subvolumes present in the filesystem \fI<path>\fR. For every
subvolume the following information is shown by default.
ID <ID> top level <ID> path <path>
If \fI-p\fR is given, then \fIparent <ID>\fR is added to the output between ID
and top level. The parent's ID may be used at mount time via the
\fIsubvolrootid=\fR option.
+If \fI-r\fR is given, only readonly subvolumes in the filesystem will be listed.
.TP
\fBsubvolume set-default\fR\fI <id> <path>\fR