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<td bgcolor="#cccccc"><span class="style1" style="margin-left:5px">sys_lookup_dcookie <span class="style2">[fs/dcookies.c] </span></span></td>
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<td><p style="margin-left:22px;margin-top:0px"><br />
Looks up the full path of a directory.</p>
<p style="margin-left:10px"><strong>Arguments</strong></p>
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<td width="6%" valign="top"><em>eax</em></td>
<td width="94%">253</td>
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<td valign="top"><em>ebx</em></td>
<td>Opaque identifier uniquely identifying a particular directory entry.</td>
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<td valign="top"><em>ecx</em></td>
<td>Pointer to a buffer which will receive the full path. </td>
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<td valign="top"><em>edx</em></td>
<td>Size of the buffer pointed by <em>ecx</em>. </td>
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<p style="margin-left:10px" ><strong>Return values</strong></p>
<p style="margin-left:22px;margin-right:10px" >If the system call succeeds the return value is the length of the path string copied into the buffer.<br />
If the system call fails the return value is one of the following <em>errno</em> values:</p>
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<td width="13%" valign="top"><code>-EFAULT </code></td>
<td width="87%"><code>The buffer was not valid. </code></td>
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<td valign="top"><code>-EINVAL </code></td>
<td><code>The kernel has no registered cookie/directory entry mappings at the time of lookup, or the cookie does not refer to a valid directory entry. </code></td>
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<td valign="top"><code>-ENAMETOOLONG</code></td>
<td><code> The name could not fit in the buffer. </code></td>
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<td valign="top"><code>-ENOMEM </code></td>
<td><code>The kernel could not allocate memory for the temporary buffer holding the path. </code></td>
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<td valign="top"><code>-EPERM </code></td>
<td><code>The process does not have the capability CAP_SYS_ADMIN required to look up cookie values. </code></td>
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<td valign="top"><code>-ERANGE </code></td>
<td><code>The buffer was not large enough to hold the path of the directory entry. </code></td>
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<p style="margin-left:10px"><strong>Remarks</strong></p>
<p style="margin-left:22px">The path returned may be suffixed by the string " (deleted)" if the directory entry has been removed. </p>
<p style="margin-left:10px"><strong>Compatibility</strong></p>
<p style="margin-left:22px">n/a</p></td>
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