diff options
Diffstat (limited to 'static/freebsd/man9/VOP_DEALLOCATE.9 4.html')
| -rw-r--r-- | static/freebsd/man9/VOP_DEALLOCATE.9 4.html | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/static/freebsd/man9/VOP_DEALLOCATE.9 4.html b/static/freebsd/man9/VOP_DEALLOCATE.9 4.html deleted file mode 100644 index e4a4b73a..00000000 --- a/static/freebsd/man9/VOP_DEALLOCATE.9 4.html +++ /dev/null @@ -1,99 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">VOP_DEALLOCATE(9)</td> - <td class="head-vol">Kernel Developer's Manual</td> - <td class="head-rtitle">VOP_DEALLOCATE(9)</td> - </tr> -</table> -<div class="manual-text"> -<section class="Sh"> -<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> -<p class="Pp"><code class="Nm">VOP_DEALLOCATE</code> — - <span class="Nd">zero and/or deallocate storage from a file</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp"><code class="In">#include - <<a class="In">sys/param.h</a>></code> - <br/> - <code class="In">#include <<a class="In">sys/vnode.h</a>></code></p> -<p class="Pp"><var class="Ft">int</var> - <br/> - <code class="Fn">VOP_DEALLOCATE</code>(<var class="Fa">struct vnode *vp</var>, - <var class="Fa">off_t *offset</var>, <var class="Fa">off_t *len</var>, - <var class="Fa">int flags</var>, <var class="Fa">int ioflag</var>, - <var class="Fa">struct ucred *cred</var>);</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">This VOP call zeroes/deallocates storage for an offset range in a - file. It is used to implement the <a class="Xr">fspacectl(2)</a> system - call.</p> -<p class="Pp">Its arguments are:</p> -<dl class="Bl-tag"> - <dt><var class="Fa">vp</var></dt> - <dd>The vnode of the file.</dd> - <dt><var class="Fa">offset</var></dt> - <dd>The start of the range to deallocate storage in the file.</dd> - <dt><var class="Fa">len</var></dt> - <dd>The length of the range to deallocate storage in the file.</dd> - <dt><var class="Fa">flags</var></dt> - <dd>The flags of this call. This should be set to 0 for now.</dd> - <dt><var class="Fa">ioflag</var></dt> - <dd>Directives and hints to be given to the file system.</dd> - <dt><var class="Fa">cred</var></dt> - <dd>The credentials of the caller.</dd> -</dl> -<p class="Pp"><var class="Fa">*offset</var> and <var class="Fa">*len</var> are - updated to reflect the portion of the range that still needs to be - zeroed/deallocated on return. Partial result is considered a successful - operation. For a non-partial successful completion, - <var class="Fa">*len</var> is updated to be the value 0, and - <var class="Fa">*offset</var> is incremented by the number of bytes zeroed - before the end-of-file.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="LOCKS"><a class="permalink" href="#LOCKS">LOCKS</a></h1> -<p class="Pp">The vnode should be locked on entry and will still be locked on - exit.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN - VALUES</a></h1> -<p class="Pp">Zero is returned if the call is successful, otherwise an - appropriate error code is returned.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1> -<dl class="Bl-tag"> - <dt id="EINVAL">[<a class="permalink" href="#EINVAL"><code class="Er">EINVAL</code></a>]</dt> - <dd>Invalid <var class="Fa">offset</var>, <var class="Fa">len</var> or - <var class="Fa">flags</var> parameters are passed into this VOP call.</dd> - <dt id="ENODEV">[<a class="permalink" href="#ENODEV"><code class="Er">ENODEV</code></a>]</dt> - <dd>The vnode type is not supported by this VOP call.</dd> - <dt id="ENOSPC">[<a class="permalink" href="#ENOSPC"><code class="Er">ENOSPC</code></a>]</dt> - <dd>The file system is full.</dd> - <dt id="EPERM">[<a class="permalink" href="#EPERM"><code class="Er">EPERM</code></a>]</dt> - <dd>An append-only flag is set on the file, but the caller is attempting to - zero before the current end of file.</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE - ALSO</a></h1> -<p class="Pp"><a class="Xr">vnode(9)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> -<p class="Pp"><code class="Nm">VOP_DEALLOCATE</code> and this manual page was - written by <span class="An">Ka Ho Ng</span> - <<a class="Mt" href="mailto:khng@FreeBSD.org">khng@FreeBSD.org</a>> - under sponsorship from the FreeBSD Foundation.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">August 25, 2021</td> - <td class="foot-os">FreeBSD 15.0</td> - </tr> -</table> |
