On Wed, Aug 22, 2012 at 08:43:52PM +0300, Adrian Bunk wrote:
> On Wed, Aug 22, 2012 at 10:04:05AM -0700, Kent Overstreet wrote:
> >...
> > --- a/include/linux/blk_types.h
> > +++ b/include/linux/blk_types.h
> > @@ -117,6 +117,7 @@ struct bio {
> > * BIO_POOL_IDX()
> > */
> > #define BIO_RESET_BITS 12
> > +#define BIO_OWNS_VEC 12 /* bio_free() should free bvec */
> >...
>
> This doesn't look right.
Well, the first 12 bits are reset, so bit 12 will get preserved... I
guess it's unusual to have a duplicated enum value like that but
BIO_RESET_BITS is just a marker, not a real bit.
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