diff options
Diffstat (limited to 'static/netbsd/man4/fss.4 4.html')
| -rw-r--r-- | static/netbsd/man4/fss.4 4.html | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/static/netbsd/man4/fss.4 4.html b/static/netbsd/man4/fss.4 4.html deleted file mode 100644 index 18959c8e..00000000 --- a/static/netbsd/man4/fss.4 4.html +++ /dev/null @@ -1,123 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">FSS(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">FSS(4)</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">fss</code> — <span class="Nd">file system - snapshot device</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp"><code class="Cd">pseudo-device fss 4</code></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">The <code class="Nm">fss</code> driver provides a read-only - interface to the snapshot of a currently mounted file system. Reading from a - <code class="Nm">fss</code> device gives the view of the file system when - the snapshot was taken. It can be configured via - <a class="Xr">ioctl(2)</a>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="IOCTLS"><a class="permalink" href="#IOCTLS">IOCTLS</a></h1> -<p class="Pp">The <a class="Xr">ioctl(2)</a> command codes below are defined in - <code class="In"><<a class="In">sys/dev/fssvar.h</a>></code>.</p> -<p class="Pp">The (third) argument to <a class="Xr">ioctl(2)</a> should be a - pointer to the type indicated.</p> -<dl class="Bl-tag"> - <dt id="FSSIOCSET(struct"><a class="permalink" href="#FSSIOCSET(struct"><code class="Dv">FSSIOCSET(struct - fss_set)</code></a></dt> - <dd>Configures a <code class="Nm">fss</code> device. - <div class="Bd Pp Bd-indent Li"> - <pre>struct fss_set { - char *fss_mount; - char *fss_bstore; - blksize_t fss_csize; - int fss_flags; -};</pre> - </div> - <p class="Pp">The struct element <var class="Va">fss_mount</var> is the - mount point of the file system. The struct element - <var class="Va">fss_bstore</var> is either a regular file or a raw disk - device where data overwritten on the file system will be saved. The - struct element <var class="Va">fss_csize</var> is the preferred size of - this data. The struct element <var class="Va">fss_flags</var> is the - initial set of flags.</p> - </dd> - <dt id="FSSIOCGET(struct"><a class="permalink" href="#FSSIOCGET(struct"><code class="Dv">FSSIOCGET(struct - fss_get)</code></a></dt> - <dd>Gets the status of a <code class="Nm">fss</code> device. - <div class="Bd Pp Bd-indent Li"> - <pre>struct fss_get { - char fsg_mount[MNAMELEN]; - struct timeval fsg_time; - blksize_t fsg_csize; - blkcnt_t fsg_mount_size; - blkcnt_t fsg_bs_size; -};</pre> - </div> - The struct element <var class="Va">fsg_mount</var> is the mount point of the - file system. The struct element <var class="Va">fsg_time</var> is the time - this snapshot was taken. The struct element - <var class="Va">fsg_csize</var> is the current size of data clusters. The - struct element <var class="Va">fsg_mount_size</var> is the number of - clusters of the file system. The struct element - <var class="Va">fsg_bs_size</var> is the number of clusters written to the - backing store.</dd> - <dt id="FSSIOCCLR"><a class="permalink" href="#FSSIOCCLR"><code class="Dv">FSSIOCCLR</code></a></dt> - <dd>Unconfigures a <code class="Nm">fss</code> device.</dd> - <dt id="FSSIOFSET(int)"><a class="permalink" href="#FSSIOFSET(int)"><code class="Dv">FSSIOFSET(int)</code></a></dt> - <dd>Sets the flags of a <code class="Nm">fss</code> device. Possible flags - are: - <dl class="Bl-tag"> - <dt id="FSS_UNCONFIG_ON_CLOSE"><a class="permalink" href="#FSS_UNCONFIG_ON_CLOSE"><code class="Dv">FSS_UNCONFIG_ON_CLOSE</code></a></dt> - <dd>Unconfigure the <code class="Nm">fss</code> device on the last - close.</dd> - <dt id="FSS_UNLINK_ON_CREATE"><a class="permalink" href="#FSS_UNLINK_ON_CREATE"><code class="Dv">FSS_UNLINK_ON_CREATE</code></a></dt> - <dd>Unlink the backing file before the <code class="Nm">fss</code> device - is created.</dd> - </dl> - </dd> - <dt id="FSSIOFGET(int)"><a class="permalink" href="#FSSIOFGET(int)"><code class="Dv">FSSIOFGET(int)</code></a></dt> - <dd>Gets the flags of a <code class="Nm">fss</code> device.</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="KERNEL_THREADS"><a class="permalink" href="#KERNEL_THREADS">KERNEL - THREADS</a></h1> -<p class="Pp">For each active snapshot device there is a kernel thread that - handles the backing store. This thread is named <var class="Va">fssN</var> - where <var class="Va">N</var> is the device minor number.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1> -<dl class="Bl-tag Bl-compact"> - <dt><span class="Pa">/dev/rfss?</span></dt> - <dd style="width: auto;"> </dd> - <dt><span class="Pa">/dev/fss?</span></dt> - <dd style="width: auto;"> </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">fssconfig(8)</a>, <a class="Xr">mount(8)</a>, - <a class="Xr">umount(8)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp">The <code class="Nm">fss</code> device appeared in - <span class="Ux">NetBSD 2.0</span>.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">February 24, 2011</td> - <td class="foot-os">NetBSD 10.1</td> - </tr> -</table> |