[thin_trim] add some required args to the manpage

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Joe Thornber committed 2017-09-19 12:36:25 +01:00
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@@ -5,6 +5,9 @@ thin_trim \- Issue discard requests for free pool space (offline tool).
.SH SYNOPSIS
.B thin_trim
.RB [ options ]
.B --metadata-dev
.I {device|file}
.B --data-dev
.I {device|file}
.SH DESCRIPTION