<div dir="ltr"><div class="gmail_quote"><div dir="ltr">On Tue, Aug 21, 2018 at 4:07 PM Richard W.M. Jones <<a href="mailto:rjones@redhat.com">rjones@redhat.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
FYI I added a few enhancements to allow easier tracing inside the file<br>
plugin:<br>
<br>
<a href="https://github.com/libguestfs/nbdkit/commit/10d4dcfb30cb0ba626a2ec503c7c96f72c6ca88e" rel="noreferrer" target="_blank">https://github.com/libguestfs/nbdkit/commit/10d4dcfb30cb0ba626a2ec503c7c96f72c6ca88e</a><br>
<a href="https://github.com/libguestfs/nbdkit/commit/96a41cd798ec0dce07d97c2a4a04ee6284e1552f" rel="noreferrer" target="_blank">https://github.com/libguestfs/nbdkit/commit/96a41cd798ec0dce07d97c2a4a04ee6284e1552f</a></blockquote><div><br></div><div>Cool</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I learned from this that the file_zero function does successfully use<br>
fallocate to zero ranges, at least on my very recent Linux system.<br></blockquote><div><br></div><div>I used strace with one thread to test these features, nice be able to peek</div><div>into the plugin state like this.</div><div><br></div><div>Nir</div></div></div>