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List:       kfm-devel
Subject:    Re: UDSEntry compression ideas
From:       Mark <markg85 () gmail ! com>
Date:       2013-09-19 13:43:00
Message-ID: CAPd6JnEqEJegi-Jx-+zu0WvUu4D2wjz+LtU_Fn+VAu=7xk-WWg () mail ! gmail ! com
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On Thu, Sep 19, 2013 at 10:42 AM, Todd <toddrjen@gmail.com> wrote:

>
> On Sep 18, 2013 11:51 PM, "David Faure" <faure@kde.org> wrote:
> >
> > On Tuesday 17 September 2013 13:58:25 Todd wrote:
> > > Do we need the UID and GID?  Can we just store whether the file is
> > > readable, writable, and executable? That would be three bools rather
> than
> > > two ints.
> >
> > See the property dialog, this info appears there for instance.
> > I assume it can also be shown as an extra column in dolphin?
> > Use lxr.kde.org to find all other users, if any.
> >
> > If it's just the props dialog then we could imagine returning that in
> stat and
> > not in listDir though. And then stating from the props dialog (it
> currently
> > gets it from the directory listing, when created with a kfileitem from
> there).
>
> Yes, it can be shown in the file properties and info panel, but those
> aren't needed during the directory loading.   It can also be shown in
> details view and below the file in icon view, but that can be lazy loaded.
>
> In terms of low-level stuff needed during directory loading, I think the
> permissions should be enough.
>
I'm not sure, but the device id is an int right now, right? In that case i
doubt that a device id will ever be as big as an int: 2147483647
Can't we just steal 3 bits there and use it for read, write and executable?

-- i haven't looked anything up in this area! --

[Attachment #3 (text/html)]

<div dir="ltr">On Thu, Sep 19, 2013 at 10:42 AM, Todd <span dir="ltr">&lt;<a \
href="mailto:toddrjen@gmail.com" target="_blank">toddrjen@gmail.com</a>&gt;</span> \
wrote:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote \
class="gmail_quote" style="margin:0px 0px 0px \
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">


<div class="im"><p dir="ltr"><br>
On Sep 18, 2013 11:51 PM, &quot;David Faure&quot; &lt;<a href="mailto:faure@kde.org" \
target="_blank">faure@kde.org</a>&gt; wrote:<br> &gt;<br>
&gt; On Tuesday 17 September 2013 13:58:25 Todd wrote:<br>
&gt; &gt; Do we need the UID and GID?  Can we just store whether the file is<br>
&gt; &gt; readable, writable, and executable? That would be three bools rather \
than<br> &gt; &gt; two ints.<br>
&gt;<br>
&gt; See the property dialog, this info appears there for instance.<br>
&gt; I assume it can also be shown as an extra column in dolphin?<br>
&gt; Use <a href="http://lxr.kde.org" target="_blank">lxr.kde.org</a> to find all \
other users, if any.<br> &gt;<br>
&gt; If it&#39;s just the props dialog then we could imagine returning that in stat \
and<br> &gt; not in listDir though. And then stating from the props dialog (it \
currently<br> &gt; gets it from the directory listing, when created with a kfileitem \
from there).</p> </div><p dir="ltr">Yes, it can be shown in the file properties and \
info panel, but those aren&#39;t needed during the directory loading.   It can also \
be shown in details view and below the file in icon view, but that can be lazy \
loaded.  </p>



<p dir="ltr">In terms of low-level stuff needed during directory loading, I think the \
permissions should be enough. <br> </p>
</blockquote></div>I&#39;m not sure, but the device id is an int right now, right? In \
that case i doubt that a device id will ever be as big as an int: <span \
style="color:rgb(0,0,0);font-family:verdana,arial,helvetica,sans-serif;font-size:12px">2147483647</span></div>


<div class="gmail_extra"><span \
style="color:rgb(0,0,0);font-family:verdana,arial,helvetica,sans-serif;font-size:12px">Can&#39;t \
we just steal 3 bits there and use it for read, write and \
executable?</span></div><div class="gmail_extra">

<span style="color:rgb(0,0,0);font-family:verdana,arial,helvetica,sans-serif;font-size:12px"><br></span></div><div \
class="gmail_extra"><span \
style="color:rgb(0,0,0);font-family:verdana,arial,helvetica,sans-serif;font-size:12px">-- \
i haven&#39;t looked anything up in this area! --</span></div>

</div>



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