[PATCH] kdirwatch problem of detecting hard link change

sycao sycao at redflag-linux.com
Fri Aug 7 06:23:48 BST 2009

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

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