On Wed, Sep 11, 2019 at 12:09:29PM -0400, Josef Bacik wrote:
> On Fri, Sep 06, 2019 at 10:15:32AM -0700, Mark Fasheh wrote:
> > From: Mark Fasheh <mfas...@suse.de>
> > 
> > build_backref_tree() is walking extent refs in what is an otherwise self
> > contained chunk of code.  We can shrink the total number of lines in
> > build_backref_tree() *and* make it more readable by moving that walk into
> > its own subroutine.
> > 
> > Signed-off-by: Mark Fasheh <mfas...@suse.de>
> > ---
> >  fs/btrfs/backref-cache.c | 110 +++++++++++++++++++++++----------------
> >  1 file changed, 65 insertions(+), 45 deletions(-)
> > 
> > diff --git a/fs/btrfs/backref-cache.c b/fs/btrfs/backref-cache.c
> > index d0f6530f23b8..ff0d49ca6e26 100644
> > --- a/fs/btrfs/backref-cache.c
> > +++ b/fs/btrfs/backref-cache.c
> > @@ -336,6 +336,61 @@ int find_inline_backref(struct extent_buffer *leaf, 
> > int slot,
> >     return 0;
> >  }
> >  
> > +#define SEARCH_COMPLETE    1
> > +#define SEARCH_NEXT        2
> > +static int find_next_ref(struct btrfs_root *extent_root, u64 cur_bytenr,
> > +                    struct btrfs_path *path, unsigned long *ptr,
> > +                    unsigned long *end, struct btrfs_key *key, bool exist)
> 
> I'd rather we do an enum here, so it's clear what we're expecting in the code
> context.  Thanks,

The function also returns errors (< 0), so do you mean enum for the
SEARCH_* values only for for the function as well?

Reply via email to