x86_64: Calgary - change _map_single, etc to static

[linux-2.6-omap-h63xx.git] / block / ll_rw_blk.c

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index c99b463548592239044f6e71aea571abd99a7307..66056ca5e6310256d1f1027da10a879fd15876bd 100644 (file)
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -256,6 +256,7 @@ static void rq_init(request_queue_t *q, struct request *rq)
        rq->end_io = NULL;
        rq->end_io_data = NULL;
        rq->completion_data = NULL;
+       rq->next_rq = NULL;
 }
 
 /**
@@ -527,8 +528,6 @@ int blk_do_ordered(request_queue_t *q, struct request **rqp)
 static int flush_dry_bio_endio(struct bio *bio, unsigned int bytes, int error)
 {
        request_queue_t *q = bio->bi_private;
-       struct bio_vec *bvec;
-       int i;
 
        /*
         * This is dry run, restore bio_sector and size.  We'll finish
@@ -540,13 +539,6 @@ static int flush_dry_bio_endio(struct bio *bio, unsigned int bytes, int error)
        if (bio->bi_size)
                return 1;
 
-       /* Rewind bvec's */
-       bio->bi_idx = 0;
-       bio_for_each_segment(bvec, bio, i) {
-               bvec->bv_len += bvec->bv_offset;
-               bvec->bv_offset = 0;
-       }
-
        /* Reset bio */
        set_bit(BIO_UPTODATE, &bio->bi_flags);
        bio->bi_size = q->bi_size;
@@ -1304,9 +1296,9 @@ static int blk_hw_contig_segment(request_queue_t *q, struct bio *bio,
        if (unlikely(!bio_flagged(nxt, BIO_SEG_VALID)))
                blk_recount_segments(q, nxt);
        if (!BIOVEC_VIRT_MERGEABLE(__BVEC_END(bio), __BVEC_START(nxt)) ||
-           BIOVEC_VIRT_OVERSIZE(bio->bi_hw_front_size + bio->bi_hw_back_size))
+           BIOVEC_VIRT_OVERSIZE(bio->bi_hw_back_size + nxt->bi_hw_front_size))
                return 0;
-       if (bio->bi_size + nxt->bi_size > q->max_segment_size)
+       if (bio->bi_hw_back_size + nxt->bi_hw_front_size > q->max_segment_size)
                return 0;
 
        return 1;
@@ -1837,11 +1829,11 @@ request_queue_t *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 {
        request_queue_t *q;
 
-       q = kmem_cache_alloc_node(requestq_cachep, gfp_mask, node_id);
+       q = kmem_cache_alloc_node(requestq_cachep,
+                               gfp_mask | __GFP_ZERO, node_id);
        if (!q)
                return NULL;
 
-       memset(q, 0, sizeof(*q));
        init_timer(&q->unplug_timer);
 
        snprintf(q->kobj.name, KOBJ_NAME_LEN, "%s", "queue");
@@ -3706,13 +3698,13 @@ int __init blk_dev_init(void)
                panic("Failed to create kblockd\n");
 
        request_cachep = kmem_cache_create("blkdev_requests",
-                       sizeof(struct request), 0, SLAB_PANIC, NULL, NULL);
+                       sizeof(struct request), 0, SLAB_PANIC, NULL);
 
        requestq_cachep = kmem_cache_create("blkdev_queue",
-                       sizeof(request_queue_t), 0, SLAB_PANIC, NULL, NULL);
+                       sizeof(request_queue_t), 0, SLAB_PANIC, NULL);
 
        iocontext_cachep = kmem_cache_create("blkdev_ioc",
-                       sizeof(struct io_context), 0, SLAB_PANIC, NULL, NULL);
+                       sizeof(struct io_context), 0, SLAB_PANIC, NULL);
 
        for_each_possible_cpu(i)
                INIT_LIST_HEAD(&per_cpu(blk_cpu_done, i));