]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - block/blk.h
8139cp: fix checksum broken
[net-next-2.6.git] / block / blk.h
index 6e7dc87141e48230d0eb82c2bdcf770b0ac581a9..2db8f32838e7336d1a53bbddc8a4c01ec0c3489f 100644 (file)
@@ -51,6 +51,8 @@ static inline void blk_clear_rq_complete(struct request *rq)
  */
 #define ELV_ON_HASH(rq)                (!hlist_unhashed(&(rq)->hash))
 
+struct request *blk_do_flush(struct request_queue *q, struct request *rq);
+
 static inline struct request *__elv_next_request(struct request_queue *q)
 {
        struct request *rq;
@@ -58,7 +60,11 @@ static inline struct request *__elv_next_request(struct request_queue *q)
        while (1) {
                while (!list_empty(&q->queue_head)) {
                        rq = list_entry_rq(q->queue_head.next);
-                       if (blk_do_ordered(q, &rq))
+                       if (!(rq->cmd_flags & (REQ_FLUSH | REQ_FUA)) ||
+                           rq == &q->flush_rq)
+                               return rq;
+                       rq = blk_do_flush(q, rq);
+                       if (rq)
                                return rq;
                }
 
@@ -132,24 +138,20 @@ static inline int queue_congestion_off_threshold(struct request_queue *q)
        return q->nr_congestion_off;
 }
 
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-
-#define rq_for_each_integrity_segment(bvl, _rq, _iter)         \
-       __rq_for_each_bio(_iter.bio, _rq)                       \
-               bip_for_each_vec(bvl, _iter.bio->bi_integrity, _iter.i)
-
-#endif /* BLK_DEV_INTEGRITY */
-
 static inline int blk_cpu_to_group(int cpu)
 {
+       int group = NR_CPUS;
 #ifdef CONFIG_SCHED_MC
        const struct cpumask *mask = cpu_coregroup_mask(cpu);
-       return cpumask_first(mask);
+       group = cpumask_first(mask);
 #elif defined(CONFIG_SCHED_SMT)
-       return cpumask_first(topology_thread_cpumask(cpu));
+       group = cpumask_first(topology_thread_cpumask(cpu));
 #else
        return cpu;
 #endif
+       if (likely(group < NR_CPUS))
+               return group;
+       return cpu;
 }
 
 /*