Re: [Xen-devel] [PATCH 1/5] xen-blkback: don't store dev_bus_addr

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.03.13 at 16:10, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
> On Tue, Mar 19, 2013 at 02:55:56PM +0000, Jan Beulich wrote:
>> >>> On 19.03.13 at 15:32, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> 
>> >>> wrote:
>> > @@ -971,7 +962,7 @@ static int dispatch_rw_block_io(struct xen_blkif 
>> > *blkif,
>> >                   (bio_add_page(bio,
>> >                                 pages[i],
>> >                                 seg[i].nsec << 9,
>> > -                               seg[i].buf & ~PAGE_MASK) == 0)) {
>> > +                               seg[i].offset & ~PAGE_MASK) == 0)) {
>> 
>> ... this one could as well use the original field.
>> 
>> And the masking with ~PAGE_MASK is not pointless in any case.
> 
> Good point. In which might as well make the 'struct seg_buf' be an
> simple array of unsigned int.

Looks like you understood that the "not" in my earlier response
was meant to be "now".

Jan


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