href="mailto:rodsmith@rodsbooks.com">rodsmith@rodsbooks.com</a></p>
<p>Originally written: 4/19/2012; last Web page update:
-1/3/2014, referencing rEFInd 0.7.7</p>
+3/9/2014, referencing rEFInd 0.7.8</p>
-<p>I'm a technical writer and consultant specializing in Linux technologies. This Web page is provided free of charge and with no annoying outside ads; however, I did take time to prepare it, and Web hosting does cost money. If you find this Web page useful, please consider making a small donation to help keep this site up and running. Thanks!</p>
+<p>This Web page is provided free of charge and with no annoying outside ads; however, I did take time to prepare it, and Web hosting does cost money. If you find this Web page useful, please consider making a small donation to help keep this site up and running. Thanks!</p>
<table border="1">
<tr>
one-partition filesystem and with a filesystem that spans two physical
devices (although I've made no attempt to ensure that the driver can
actually read files written to both devices). Lamuel Liao has used the
- driver with a compressed Btrfs volume. I don't know if the driver will
- handle other advanced Btrfs features, such as snapshots and
- subvolumes.</li>
+ driver with a compressed Btrfs volume. The driver will handle
+ subvolumes, but you may need to add kernel options if you're booting a
+ Linux kernel directly from a filesystem that uses subvolumes. For
+ instance, on a test installation of Ubuntu 14.04 alpha on such a
+ system, I needed to set <tt>also_scan_dirs + @/boot</tt> in
+ <tt>refind.conf</tt> and add <tt>rootflags=subvol=@</tt> to the kernel
+ options in my <tt>refind_linux.conf</tt> file. Without the first of
+ these options, rEFInd could not locate my kernel; and without the
+ second, the boot failed with a message to the effect that the initial
+ RAM disk could not find <tt>/sbin/init</tt>.</li>
<li><b>ISO-9660</b>—This driver originated with rEFIt's author, but
he never released a final version. Its code was improved by Oracle for