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SubjectRe: Pipefs : doubts
selvakumar nagendran wrote:
> Hello linux-experts,
> I went through the kernel source code file
> /fs/pipe.c and I found that the pipe file system
> configured as a module. But in lsmod I am unable to
> see it. This is my first doubt.

Where do you see that?
fs/pipe.o is always built into the kernel image.

> My second doubt is, in pipe.c we have lot of
> symbols like
>
> PIPE_WAITING_READERS(*inode)
> PIPE_WAIT(*inode)
> PIPE_MAX_RCHUNK(*inode)
> What are they? funtions or macros? What they do or
> where are their implementation in the kernel source
> tree?

Macros.
See include/linux/pipe_fs_i.h

--
~Randy
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