On Mon, Aug 03, 2009 at 10:13:46AM +0800, Gui Jianfeng wrote:> Vivek Goyal wrote:> ...> > +> > +struct io_group *io_get_io_group_bio(struct request_queue *q, struct bio *bio,> > + int create)> > +{> > + struct page *page = NULL;> > +> > + /*> > + * Determine the group from task context. Even calls from> > + * blk_get_request() which don't have any bio info will be mapped> > + * to the task's group> > + */> > + if (!bio)> > + goto sync;> > +> > + if (bio_barrier(bio)) {> > + /*> > + * Map barrier requests to root group. May be more special> > + * bio cases should come here> > + */> > + return q->elevator->efqd.root_group;> > + }> > +> > + /* Map the sync bio to the right group using task context */> > + if (elv_bio_sync(bio))> > + goto sync;> > +> > +#ifdef CONFIG_TRACK_ASYNC_CONTEXT> > + /* Determine the group from info stored in page */> > + page = bio_iovec_idx(bio, 0)->bv_page;> > + return io_get_io_group(q, page, create);> > +#endif> > +> > +sync:> > + return io_get_io_group(q, NULL, create);> > Fix build warning.> > block/elevator-fq.c: In function ‘io_get_io_group_bio’:> block/elevator-fq.c:2075: warning: unused variable ‘page’> Thanks Gui. Will apply in next posting. Vivek > ---> diff --git a/block/elevator-fq.c b/block/elevator-fq.c> index 66b10eb..d304f79 100644> --- a/block/elevator-fq.c> +++ b/block/elevator-fq.c> @@ -2102,7 +2102,7 @@ struct io_group *io_get_io_group_bio(struct request_queue *q, struct bio *bio,> #endif> > sync:> - return io_get_io_group(q, NULL, create);> + return io_get_io_group(q, page, create);> }> EXPORT_SYMBOL(io_get_io_group_bio);> > > > +}> > +EXPORT_SYMBOL(io_get_io_group_bio);> > +> > > -- > Regards> Gui Jianfeng_______________________________________________Containers mailing listContainers@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx://lists.linux-foundation.org/mailman/listinfo/containers