unnamed temporary file on that filesystem
</li>
<li>
- As with <tt>tmpfile()</tt>, the file disppears on
+ As with <tt>tmpfile()</tt>, the file disappears on
last <tt>close()</tt>
</li>
<li>
<h1>Btrfs offline dedupe [3.12]</h1>
<ul class="incremental">
<li>
- Btrfs generally does COW rather than updating in-place, allowing
- snapshots and file copies to defer the actual copying and save
- space
+ Btrfs generally copies and frees blocks, rather than updating
+ in-place
+ </li>
+ <li>
+ This allows snapshots and file copies to copy-by-reference,
+ deferring the real copying until changes are made
</li>
<li>
Filesystems may still end up with multiple copies of the same
but didn't support kernel running little-endian
</li>
<li>
- Linux 3.13 added little-endian kernel suport, along with new
+ Linux 3.13 added little-endian kernel support, along with new
userland ELF ABI variant - we call it ppc64el
</li>
<li>