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[<b>-t </b><i>fstype</i>]
[<b>-b </b><i>blocksize</i>]
[<b>-B </b><i>fsblocksize</i>] [<b>--nolazy</b>]<i>delta_file</i></p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="57%">
<p style="margin-top: 1em">[<b>-u </b><i>uuid </i>[<b>-U </b><i>uuid2</i>] | <b>-A</b>]
[<b>-n </b><i>new_delta</i>]
<i>DiskDescriptor.xml</i></p> </td></tr>
<p style="margin-top: 1em"><b>ploop balloon discard</b></p> <td width="45%"></td>
<td width="5550%">
<p style="margin-top: 1em">[<b>--automount</b>]
[<b>--to-free </b><i>size</i>]
[<b>--min-block </b><i>min_size</i>] [<b>--defrag</b>]<i>DiskDescriptor.xml</i></p> </td><td width="5%"></td></tr>
</table>
[<b>-t </b><i>fstype</i>]
[<b>-b </b><i>blocksize</i>]
[<b>-B </b><i>fsblocksize</i>] [<b>--nolazy</b>]<i>delta_file</i></p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<p style="margin-left:28%;">Filesystem block size, in
bytes. Default is 4096 bytes.</p>
<p style="margin-left:11%;"><b>-n</b>, <b>--nolazy</b></p>
<p style="margin-left:28%;">Disable lazy mkfs
initialization (which is enabled by default). Currently that
means if this flag is set, <b>mkfs.ext4</b>(8) is called
with <b>-Elazy_itable_init=0,lazy_journal_init=0</b>
options.</p>
<table width="100%" border="0" rules="none" frame="void"
<td width="57%">
<p style="margin-top: 1em">[<b>-u </b><i>uuid </i>[<b>-U </b><i>uuid2</i>] | <b>-A</b>]
[<b>-n </b><i>new_delta</i>]
<i>DiskDescriptor.xml</i></p> </td></tr>
<td width="57%">
<p>Specify a single snapshot <i>uuid</i> to merge. If this optionis not specified, the top delta will be used.</p></td></tr><tr valign="top" align="left"><td width="11%"></td><td width="31%"> <p><b>-U</b> <i>uuid2</i></p></td><td width="1%"></td><td width="57%"> <p>Together with <b>-u</b> <i>uuid</i>, specify that allsnapshots in the range <i>uuid</i>...<i>uuid2</i> are to bemerged.</p></td></tr>
<tr valign="top" align="left">
<td width="11%"></td>
<p style="margin-top: 1em"><b>ploop balloon discard</b></p> </td>
<td width="2%"></td>
<td width="5550%">
<p style="margin-top: 1em">[<b>--automount</b>]
[<b>--to-free </b><i>size</i>]
[<b>--min-block </b><i>min_size</i>] [<b>--defrag</b>]<i>DiskDescriptor.xml</i></p> </td><td width="5%"></td></tr>
</table>
<b>--automount</b> option to automatically mount ploop for
the duration of the operation.</p>
<p style="margin-top: 1em">Option <b>--defrag</b> can be
used to run a filesystem defragmentation utility (currently
e4defrag2 on ext4 only) before the main operation.</p>
<p style="margin-top: 1em">Option <b>--to-free</b> can be
