[RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]

[Matthew Wilcox]

On Thu, Oct 31, 2019 at 02:57:51PM +0000, David Howells wrote:
> Linus Torvalds <torvalds at linux-foundation.org> wrote:
> 
> > It's shorter and more obvious to just write
> > 
> >    pipe->head = head;
> > 
> > than it is to write
> > 
> >    pipe_commit_write(pipe, head);
> 
> But easier to find the latter.  But whatever.

May I suggest that you use a name that's easier to grep for?

$ git grep -cw p_tail
drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c:9
$ git grep -cw p_head
drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c:3