Greetings Didn't they remove {read,write}_proc_t in linux-3.10? You may have to provide full file_operations for a proc file. Best Regards -Emil On Sun, Jul 21, 2013 at 11:55 AM, Hua Siyuan <jonnyhsy@foxmail.com> wrote:

Hi All,

I'm now studying proc file system. I now know that read_proc_t function is called when the proofs file is read, and so for write_proc_t function when the proofs file is written to. But I also find the file_operaitons* field in the definition of proc_dir_entry, and this example code ( http://linux.die.net/lkmpg/x810.html).

So I'm confused that what happened if I provide both read_proc_t function, and the read function in file_operations structure? Thanks very much.

Best, Siyuan

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