Re: [RFC] fs, proc: Introduce the /proc/<pid>/map_files/ directory v2

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Hello, again.

On Thu, Aug 25, 2011 at 10:54:26PM +0200, Tejun Heo wrote:
> Another thing is, I don't really see why we need vm_start, or fd for
> that matter, in proc_inode at all.  proc_inode is created on the fly
> only as dentry gets instantiated on demand, which means we always have
> d_name on hand to tell what the file is supposed to point to.  In
> fact, the code already uses name_to_int() to extract fd from d_name.
> Hmmm... well yeah, it actually seems that proc_inode->fd is never used
> and we can simply remove it.

Unfortunately, not quite as easy as I expected.  The information still
seems redundant but it seems we'll need to change
proc_inode->get_link() to take dentry instead of inode before doing
away with proc_inode->fd, but, at any rate, I don't think this is a
big deal one way or the other.

Thanks.

-- 
tejun
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