On Fri, Dec 16, 2022 at 03:58:16PM +0100, Juergen Gross wrote: > There is no need to have the functions blkif_get_x86_32_req() and > blkif_get_x86_64_req() in a header file, as they are used in one place > only. > > So move them into the using source file and drop the inline qualifier. > > While at it fix some style issues, and simplify the code by variable > reusing and using min() instead of open coding it. > > Instead of using barrier() use READ_ONCE() for avoiding multiple reads > of nr_segments. > > Signed-off-by: Juergen Gross <jgross@xxxxxxxx> > --- > drivers/block/xen-blkback/blkback.c | 104 ++++++++++++++++++++++++++++ > drivers/block/xen-blkback/common.h | 96 ------------------------- > 2 files changed, 104 insertions(+), 96 deletions(-) > > diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c > index 243712b59a05..7561fdb72c13 100644 > --- a/drivers/block/xen-blkback/blkback.c > +++ b/drivers/block/xen-blkback/blkback.c > @@ -1072,7 +1072,111 @@ static void end_block_io_op(struct bio *bio) > bio_put(bio); > } > > +static void blkif_get_x86_32_req(struct blkif_request *dst, > + struct blkif_x86_32_request *src) src can be const. > +{ > + int i, n; Could we also take the opportunity to convert i and n to unsigned? With that: Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Thanks, Roger.