[Tracker] Trackerd related Query

[Abhijit Nath <Abhijit Nath Sun COM>]

Hi,
 I was looking into the trackerd source code. I'm not able to figure 
out , how (where) tracker reads the file system (file names etc)  to 
store in the sqlite database.
I'm checking the _TrackerCrawlerPrivate structure in   tracker-crawler.c 
and there is one member of the structure
GQueue         *files.  I just want to know, how( in which function) it 
gets populated?

So can anybody pls. help me to figure it out?

Thanks,
Abhijit