regarding sys_read

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Hi all,
      I want to trace the reading file of the user .I redircted the originel 
sys_read through another function.In that function I just used one printk 
statement to notify the redirction.When the module is inserted ,the message 
is diplayed continuosly.What went wrong? is it possible to find the users 
reading thru modules apart from strace.Thank u in advance for ur kind help.
Kannan R

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