@@ -19,6 +19,8 @@ btrfs \- control a btrfs filesystem
.PP
\fBbtrfs\fP \fBfilesystem sync\fP\fI <path> \fP
.PP
+\fBbtrfs\fP \fBfilesystem GC\fP\fI <path> [ms] \fP
+.PP
\fBbtrfs\fP \fBfilesystem resize\fP\fI [+/\-]<size>[gkm]|max <filesystem>\fP
.PP
\fBbtrfs\fP \fBdevice scan\fP\fI [<device> [<device>..]]\fP
@@ -115,6 +117,12 @@ all the block devices.
Force a sync for the filesystem identified by \fI<path>\fR.
.TP
+\fBfilesystem GC\fR\fI <path> [ms] \fR
+wait for completion of salvage of deleted subvolumes on
+the filesystem identified by \fI<path>\fR. The optional
+timeout is in milliseconds.
+.TP
+
.\"
.\" Some wording are extracted by the resize2fs man page
.\"