RE: File-op

Bret Indrelee (bindrelee@sbs-cp.com)
Fri, 8 Oct 1999 16:30:12 -0500

Koushik Chakraborty [mailto:kchak@iitk.ac.in] wrote:
> There are a lot of function pointers associated with
> file_op (in strct
> file ) or say sock_op etc. I want to know where exactly in
> linux kernel
> code are these bound to specific functions (e.g, where f_op->read is
> assigned to the appropraite function say for a socket fd).

When the device driver registers itself, it gives the OS a default set of
file operations. The driver can change these, usually done at open time.

Looks at register_chrdev() and register_blkdev() routines.

-Bret

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