Re: [PATCH v4 04/12] auto-fs: rename d_count field of dentry tod_refcount

[Al Viro]

On Wed, Jul 03, 2013 at 08:50:07PM -0700, Linus Torvalds wrote:
> On Wed, Jul 3, 2013 at 8:33 PM, Waiman Long <Waiman.Long@xxxxxx> wrote:
> > Because of the d_count name change made in dcache.h, all references
> > to d_count have to be changed to d_refcount.  There is no change in
> > logic and everything should just work.
> 
> These filesystem patches need to be just joined into the same patch
> that does the d_count -> d_refcount change.
> 
> Otherwise the kernel won't build in lots of configurations for some
> commits, which makes things like bisecting much more painful than it
> should be.
> 
> So we can't do piece-meal changes that break the build for parts of the tree.

Frankly, my preference here would be to add static inline unsigned d_count(...)
and convert the uses of ->d_count outside of fs/{dcache.c,namei.c} and
include/linux/dcache.c to it as the first commit.  All users outside those
are readers, so there's no point playing with macros in this case...
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