On Mon, Mar 11, 2019 at 03:23:56PM +0100, Christoph Hellwig wrote:
> > +static inline bool
> > +page_is_mergeable(const struct bio_vec *bv, struct page *page,
> > + unsigned int len, unsigned int off, bool same_page)
>
> Please follow the other function declarations in this file:
>
> static inline bool page_is_mergeable(const struct bio_vec *bv,
> struct page *page, unsigned int len, unsigned int off,
> bool same_page)
OK.
>
> > + if (same_page && (vec_end_addr & PAGE_MASK) != page_addr)
> > + return false;
>
> No need for the inner braces here.
I think it is needed, given "!=" has higher precedence thank "&", see
https://en.cppreference.com/w/c/language/operator_precedence
Also the line is more readable with inner braces.
Thanks,
Ming