On Wed, 22 May 2013 13:48:12 -0700, Andrew Morton wrote:
> On Thu,  9 May 2013 16:42:57 -0400 Joern Engel <[email protected]> wrote:
> 
> > --- a/include/linux/mount.h
> > +++ b/include/linux/mount.h
> > @@ -74,6 +74,6 @@ extern struct vfsmount *vfs_kern_mount(struct 
> > file_system_type *type,
> >  extern void mnt_set_expiry(struct vfsmount *mnt, struct list_head 
> > *expiry_list);
> >  extern void mark_mounts_for_expiry(struct list_head *mounts);
> >  
> > -extern dev_t name_to_dev_t(char *name);
> > +extern dev_t name_to_dev_t(const char *name);
> >  
> >  #endif /* _LINUX_MOUNT_H */
> > diff --git a/init/do_mounts.c b/init/do_mounts.c
> > index 1d1b634..da96f85 100644
> > --- a/init/do_mounts.c
> > +++ b/init/do_mounts.c
> > @@ -202,7 +202,7 @@ done:
> >   * bangs.
> >   */
> >  
> > -dev_t name_to_dev_t(char *name)
> > +dev_t name_to_dev_t(const char *name)
> >  {
> >     char s[32];
> >     char *p;
> 
> A changelog would be nice.  There are 1.1 billion places in the kernel
> where we could make such a change - why was this one made?

I happened to hit this, got a compiler warning and decided that the
proper fix was the patch above.  The alternative would have been to
cast away the const in users of name_to_dev_t().  I can add some
comment, sure.

Jörn

--
It is better to die of hunger having lived without grief and fear,
than to live with a troubled spirit amid abundance.
-- Epictetus
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