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List: kde-core-devel
Subject: Re: [PATCH] kdirwatch problem of detecting hard link change
From: sycao <sycao () redflag-linux ! com>
Date: 2009-08-07 9:57:40
Message-ID: 4A7BFA94.8000907 () redflag-linux ! com
[Download RAW message or body]
Pau Garcia i Quiles wrote:
> On Fri, Aug 7, 2009 at 7:23 AM, sycao<sycao@redflag-linux.com> wrote:
>
>> sonald wrote:
>>
>>> the problem comes up when I traced the problem when using kcmshell4
>>> clock
>>> to set timezone, which is when you changed timezone second time,
>>> the setting just lost. I found the real problem is that
>>> KDirWatch loses watch on /etc/localtime.
>>>
>>> I can reproduce the watch lose very easily:
>>> # inotifywait -m /etc/localtime
>>> # zic -l Asia/Shanghai
>>> # zic -l Asia/Muscat
>>> # touch /etc/localtime
>>>
>>> After Change timezone to Muscat, subsequent changes to /etc/localtime
>>> won't be watched. because KDirWatch use inotify (I'm using a linux
>>> distro),
>>> which monitoring file with respect to inode , not dir entry.
>>> zic relinked ( hardlink ) /etc/localtime, so inotify just told attrib
>>> change ( st_nlink change ) of the original file.
>>>
>>> I post the patch a few months ago, and it seems that problem still exists
>>> int KDE 4.3 RC, so I post here to see if it can make some help.
>>>
>>> Sian Cao
>>>
>>>
>>>
>>>
>> Hi, all
>> I sent this patch for a long time, and no one review it yet. but this is
>> really a problem.
>>
>> Sian Cao
>>
>
> Sorry, I didn't answer. I tested it at aKademy on my Ubuntu Hardy
> (kernel 2.6.24-23-generic) and it did not work for me.
>
> Fixing this bug would probably fix bug 196316 "kcmdatetimehelper does
> not set time zone correctly"
>
>
Yes, kdirwatch is responsible for this bug partially, which causes
timezone daemon
tracking /etc/localtime effectively, and I have been trying to fix
kcontrol/dateandtime
to make a whole solution.
Sian Cao
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Pau Garcia i Quiles wrote:
<blockquote
cite="mid:3af572ac0908070028k15fb4478ia501a5829d7b9916@mail.gmail.com"
type="cite">
<pre wrap="">On Fri, Aug 7, 2009 at 7:23 AM, sycao<a class="moz-txt-link-rfc2396E" \
href="mailto:sycao@redflag-linux.com"><sycao@redflag-linux.com></a> wrote: \
</pre> <blockquote type="cite">
<pre wrap="">sonald wrote:
</pre>
<blockquote type="cite">
<pre wrap=""> the problem comes up when I traced the \
problem when using kcmshell4 clock
to set timezone, which is when you changed timezone second time,
the setting just lost. I found the real problem is that
KDirWatch loses watch on /etc/localtime.
I can reproduce the watch lose very easily:
# inotifywait -m /etc/localtime
# zic -l Asia/Shanghai
# zic -l Asia/Muscat
# touch /etc/localtime
After Change timezone to Muscat, subsequent changes to /etc/localtime
won't be watched. because KDirWatch use inotify (I'm using a linux
distro),
which monitoring file with respect to inode , not dir entry.
zic relinked ( hardlink ) /etc/localtime, so inotify just told attrib
change ( st_nlink change ) of the original file.
I post the patch a few months ago, and it seems that problem still exists
int KDE 4.3 RC, so I post here to see if it can make some help.
Sian Cao
</pre>
</blockquote>
<pre wrap="">Hi, all
I sent this patch for a long time, and no one review it yet. but this is
really a problem.
Sian Cao
</pre>
</blockquote>
<pre wrap=""><!---->
Sorry, I didn't answer. I tested it at aKademy on my Ubuntu Hardy
(kernel 2.6.24-23-generic) and it did not work for me.
Fixing this bug would probably fix bug 196316 "kcmdatetimehelper does
not set time zone correctly"
</pre>
</blockquote>
Yes, kdirwatch is responsible for this bug partially, which causes
timezone daemon <br>
tracking /etc/localtime effectively, and I have been trying to fix
kcontrol/dateandtime<br>
to make a whole solution.<br>
<br>
Sian Cao <br>
</body>
</html>
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