diff options
Diffstat (limited to 'static/freebsd/man9/g_data.9 3.html')
| -rw-r--r-- | static/freebsd/man9/g_data.9 3.html | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/static/freebsd/man9/g_data.9 3.html b/static/freebsd/man9/g_data.9 3.html deleted file mode 100644 index 07a20eca..00000000 --- a/static/freebsd/man9/g_data.9 3.html +++ /dev/null @@ -1,104 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">G_DATA(9)</td> - <td class="head-vol">Kernel Developer's Manual</td> - <td class="head-rtitle">G_DATA(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">g_read_data</code>, - <code class="Nm">g_write_data</code> — <span class="Nd">read/write - data from/to GEOM consumer</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">geom/geom.h</a>></code></p> -<p class="Pp"><var class="Ft">void *</var> - <br/> - <code class="Fn">g_read_data</code>(<var class="Fa">struct g_consumer - *cp</var>, <var class="Fa">off_t offset</var>, <var class="Fa">off_t - length</var>, <var class="Fa">int *error</var>);</p> -<p class="Pp"><var class="Ft">int</var> - <br/> - <code class="Fn">g_write_data</code>(<var class="Fa">struct g_consumer - *cp</var>, <var class="Fa">off_t offset</var>, <var class="Fa">void - *ptr</var>, <var class="Fa">off_t length</var>);</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">The - <a class="permalink" href="#g_read_data"><code class="Fn" id="g_read_data">g_read_data</code></a>() - function reads <var class="Fa">length</var> bytes of data from the provider - attached to consumer <var class="Fa">cp</var>, starting at offset - <var class="Fa">offset</var>. The buffer returned from - <code class="Fn">g_read_data</code>() is allocated with - <a class="permalink" href="#g_malloc"><code class="Fn" id="g_malloc">g_malloc</code></a>(), - so it should be freed by the caller with - <a class="permalink" href="#g_free"><code class="Fn" id="g_free">g_free</code></a>() - after use. If the operation fails, an error value will be stored in the - <var class="Fa">error</var> argument if it is not - <code class="Dv">NULL</code>.</p> -<p class="Pp" id="g_write_data">The - <a class="permalink" href="#g_write_data"><code class="Fn">g_write_data</code></a>() - function writes <var class="Fa">length</var> bytes of data from the buffer - pointed to by <var class="Fa">ptr</var> to the provider attached to consumer - <var class="Fa">cp</var>, starting at offset - <var class="Fa">offset</var>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="RESTRICTIONS/CONDITIONS"><a class="permalink" href="#RESTRICTIONS/CONDITIONS">RESTRICTIONS/CONDITIONS</a></h1> -<p class="Pp">The <var class="Fa">length</var> argument should be a multiple of - the provider's sectorsize and less than or equal to - <code class="Dv">DFLTPHYS</code> (<code class="Dv">DFLTPHYS</code> is - defined in - <code class="In"><<a class="In">sys/param.h</a>></code>).</p> -<p class="Pp">The topology lock must not be held.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN - VALUES</a></h1> -<p class="Pp">The <code class="Fn">g_read_data</code>() function returns a - pointer to a data buffer or <code class="Dv">NULL</code> if an error - occurred. In that case an error value is stored in the - <var class="Fa">error</var> argument unless it is - <code class="Dv">NULL</code>.</p> -<p class="Pp">The <code class="Fn">g_write_data</code>() function returns 0 if - successful; otherwise an error code is returned.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1> -<p class="Pp">Possible errors:</p> -<dl class="Bl-tag"> - <dt id="EIO">[<a class="permalink" href="#EIO"><code class="Er">EIO</code></a>]</dt> - <dd>An I/O error occurred while reading from or writing to the consumer.</dd> - <dt id="EINTEGRITY">[<a class="permalink" href="#EINTEGRITY"><code class="Er">EINTEGRITY</code></a>]</dt> - <dd>Corrupted data was detected while reading from the consumer.</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">geom(4)</a>, - <a class="Xr">DECLARE_GEOM_CLASS(9)</a>, <a class="Xr">g_access(9)</a>, - <a class="Xr">g_attach(9)</a>, <a class="Xr">g_bio(9)</a>, - <a class="Xr">g_consumer(9)</a>, <a class="Xr">g_event(9)</a>, - <a class="Xr">g_geom(9)</a>, <a class="Xr">g_provider(9)</a>, - <a class="Xr">g_provider_by_name(9)</a>, - <a class="Xr">g_wither_geom(9)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> -<p class="Pp">This manual page was written by <span class="An">Pawel Jakub - Dawidek</span> - <<a class="Mt" href="mailto:pjd@FreeBSD.org">pjd@FreeBSD.org</a>>.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">March 30, 2020</td> - <td class="foot-os">FreeBSD 15.0</td> - </tr> -</table> |
