@@ -46,6 +46,8 @@ btrfs \- control a btrfs filesystem
.PP
\fBbtrfs\fP \fBdevice delete\fP\fI <device> [<device>...] <path> \fP
.PP
+\fBbtrfs\fP \fBdevice disk-usage\fP\fI [-b] <path> [<path>...] \fP
+.PP
\fBbtrfs\fP \fBreplace start\fP \fI[-Bfr] <srcdev>|<devid> <targetdev> <path>\fP
.PP
\fBbtrfs\fP \fBreplace status\fP \fI[-1] <path>\fP
@@ -360,6 +362,12 @@ Add device(s) to the filesystem identified by \fI<path>\fR.
Remove device(s) from a filesystem identified by \fI<path>\fR.
.TP
+\fBdevice disk-usage\fR\fI [-b] <path> [<path>..] <path>\fR
+Show which chunks are in a device.
+
+\fB-b\fP set byte as unit.
+.TP
+
\fBdevice scan\fR \fI[--all-devices|<device> [<device>...]\fR
If one or more devices are passed, these are scanned for a btrfs filesystem.
If no devices are passed, \fBbtrfs\fR scans all the block devices listed