block: unify flags for struct bio and struct request

[net-next-2.6.git] / block / blk-merge.c

diff --git a/block/blk-merge.c b/block/blk-merge.c
index 99cb5cf1f447fa8759d73f06bf64fe4b20eec580..4852475521ea911689be649166b8f592684cb2c6 100644 (file)
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -180,7 +180,7 @@ new_segment:
        }
 
        if (q->dma_drain_size && q->dma_drain_needed(rq)) {
-               if (rq->cmd_flags & REQ_RW)
+               if (rq->cmd_flags & REQ_WRITE)
                        memset(q->dma_drain_buffer, 0, q->dma_drain_size);
 
                sg->page_link &= ~0x02;
@@ -206,8 +206,7 @@ static inline int ll_new_hw_segment(struct request_queue *q,
 {
        int nr_phys_segs = bio_phys_segments(q, bio);
 
-       if (req->nr_phys_segments + nr_phys_segs > queue_max_hw_segments(q) ||
-           req->nr_phys_segments + nr_phys_segs > queue_max_phys_segments(q)) {
+       if (req->nr_phys_segments + nr_phys_segs > queue_max_segments(q)) {
                req->cmd_flags |= REQ_NOMERGE;
                if (req == q->last_merge)
                        q->last_merge = NULL;
@@ -227,7 +226,7 @@ int ll_back_merge_fn(struct request_queue *q, struct request *req,
 {
        unsigned short max_sectors;
 
-       if (unlikely(blk_pc_request(req)))
+       if (unlikely(req->cmd_type == REQ_TYPE_BLOCK_PC))
                max_sectors = queue_max_hw_sectors(q);
        else
                max_sectors = queue_max_sectors(q);
@@ -251,7 +250,7 @@ int ll_front_merge_fn(struct request_queue *q, struct request *req,
 {
        unsigned short max_sectors;
 
-       if (unlikely(blk_pc_request(req)))
+       if (unlikely(req->cmd_type == REQ_TYPE_BLOCK_PC))
                max_sectors = queue_max_hw_sectors(q);
        else
                max_sectors = queue_max_sectors(q);
@@ -300,10 +299,7 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
                total_phys_segments--;
        }
 
-       if (total_phys_segments > queue_max_phys_segments(q))
-               return 0;
-
-       if (total_phys_segments > queue_max_hw_segments(q))
+       if (total_phys_segments > queue_max_segments(q))
                return 0;
 
        /* Merge is OK... */