hi all:<div>       why use the struct in this way by &quot;.&quot;</div><div><br></div><div>for example, <b>.owner</b> instead of <b>owner</b> , why? </div><div>Thank you.</div><div><br></div><div><pre class="prettyprint lang-c" style="font-family:Monaco,&#39;Courier New&#39;,Courier,monospace;font-size:1.1em;padding:1em;color:rgb(0,12,0);background-color:rgb(51,51,51);overflow:auto;border:1px solid rgb(136,136,136)">
<a name="L1203" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1203" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1203</span></a><span class="pln" style="color:rgb(255,255,255)"> </span><span class="kwd" style="color:rgb(240,230,140);font-weight:bold">static</span><span class="pln" style="color:rgb(255,255,255)"> </span><span class="kwd" style="color:rgb(240,230,140);font-weight:bold">struct</span><span class="pln" style="color:rgb(255,255,255)"> </span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=file_system_type" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">file_system_type</span></a><span class="pln" style="color:rgb(255,255,255)"> </span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=ext2_fs_type" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">ext2_fs_type</span></a><span class="pln" style="color:rgb(255,255,255)"> </span><span class="pun" style="color:rgb(255,255,255)">=</span><span class="pln" style="color:rgb(255,255,255)"> </span><span class="pun" style="color:rgb(255,255,255)">{</span><span class="pln" style="color:rgb(255,255,255)">
</span><a name="L1204" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1204" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1204</span></a><span class="pln" style="color:rgb(255,255,255)">         </span><span class="pun" style="color:rgb(255,255,255)">.</span><span class="pln" style="color:rgb(255,255,255)">owner          </span><span class="pun" style="color:rgb(255,255,255)">=</span><span class="pln" style="color:rgb(255,255,255)"> </span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=THIS_MODULE" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">THIS_MODULE</span></a><span class="pun" style="color:rgb(255,255,255)">,</span><span class="pln" style="color:rgb(255,255,255)">
</span><a name="L1205" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1205" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1205</span></a><span class="pln" style="color:rgb(255,255,255)">         </span><span class="pun" style="color:rgb(255,255,255)">.</span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=name" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">name</span></a><span class="pln" style="color:rgb(255,255,255)">           </span><span class="pun" style="color:rgb(255,255,255)">=</span><span class="pln" style="color:rgb(255,255,255)"> </span><i><span class="str" style="color:rgb(255,160,160)">&quot;ext2&quot;</span></i><span class="pun" style="color:rgb(255,255,255)">,</span><span class="pln" style="color:rgb(255,255,255)">
</span><a name="L1206" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1206" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1206</span></a><span class="pln" style="color:rgb(255,255,255)">         </span><span class="pun" style="color:rgb(255,255,255)">.</span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=get_sb" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">get_sb</span></a><span class="pln" style="color:rgb(255,255,255)">         </span><span class="pun" style="color:rgb(255,255,255)">=</span><span class="pln" style="color:rgb(255,255,255)"> </span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=ext2_get_sb" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">ext2_get_sb</span></a><span class="pun" style="color:rgb(255,255,255)">,</span><span class="pln" style="color:rgb(255,255,255)">
</span><a name="L1207" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1207" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1207</span></a><span class="pln" style="color:rgb(255,255,255)">         </span><span class="pun" style="color:rgb(255,255,255)">.</span><span class="pln" style="color:rgb(255,255,255)">kill_sb        </span><span class="pun" style="color:rgb(255,255,255)">=</span><span class="pln" style="color:rgb(255,255,255)"> </span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=kill_block_super" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">kill_block_super</span></a><span class="pun" style="color:rgb(255,255,255)">,</span><span class="pln" style="color:rgb(255,255,255)">
</span><a name="L1208" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1208" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1208</span></a><span class="pln" style="color:rgb(255,255,255)">         </span><span class="pun" style="color:rgb(255,255,255)">.</span><span class="pln" style="color:rgb(255,255,255)">fs_flags       </span><span class="pun" style="color:rgb(255,255,255)">=</span><span class="pln" style="color:rgb(255,255,255)"> </span><a href="http://lxr.oss.org.cn/ident?v=2.6.16;i=FS_REQUIRES_DEV" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="pln">FS_REQUIRES_DEV</span></a><span class="pun" style="color:rgb(255,255,255)">,</span><span class="pln" style="color:rgb(255,255,255)">
</span><a name="L1209" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1209" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1209</span></a><span class="pln" style="color:rgb(255,255,255)"> </span><span class="pun" style="color:rgb(255,255,255)">};</span><span class="pln" style="color:rgb(255,255,255)">
</span><a name="L1210" href="http://lxr.oss.org.cn/source/fs/ext2/super.c?v=2.6.16#L1210" style="text-decoration:initial;border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:rgb(153,153,153);color:white"><span class="lit" style="color:rgb(205,92,92)">1210</span></a><span class="pln" style="color:rgb(255,255,255)"> </span></pre>
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