X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=block%2Fll_rw_blk.c;h=5873861e1dbbfa6eb5b808a77f0d4c2771ed0c33;hb=805f53f085346b6765eda02820721a14ce0d644f;hp=38c293b987b77212bec48450dd1529d71a3f582f;hpb=b312362be6d9155b66f3a26d9159e0a680fbd6c5;p=linux-2.6

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 38c293b987..5873861e1d 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -1221,7 +1221,7 @@ void blk_recount_segments(request_queue_t *q, struct bio *bio)
 		 * considered part of another segment, since that might
 		 * change with the bounce page.
 		 */
-		high = page_to_pfn(bv->bv_page) >= q->bounce_pfn;
+		high = page_to_pfn(bv->bv_page) > q->bounce_pfn;
 		if (high || highprv)
 			goto new_hw_segment;
 		if (cluster) {
@@ -1925,6 +1925,8 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 	blk_queue_max_hw_segments(q, MAX_HW_SEGMENTS);
 	blk_queue_max_phys_segments(q, MAX_PHYS_SEGMENTS);
 
+	q->sg_reserved_size = INT_MAX;
+
 	/*
 	 * all done
 	 */
@@ -3658,8 +3660,8 @@ int __init blk_dev_init(void)
 	open_softirq(BLOCK_SOFTIRQ, blk_done_softirq, NULL);
 	register_hotcpu_notifier(&blk_cpu_notifier);
 
-	blk_max_low_pfn = max_low_pfn;
-	blk_max_pfn = max_pfn;
+	blk_max_low_pfn = max_low_pfn - 1;
+	blk_max_pfn = max_pfn - 1;
 
 	return 0;
 }
@@ -3741,6 +3743,7 @@ static struct io_context *current_io_context(gfp_t gfp_flags, int node)
 		ret->nr_batch_requests = 0; /* because this is 0 */
 		ret->aic = NULL;
 		ret->cic_root.rb_node = NULL;
+		ret->ioc_data = NULL;
 		/* make sure set_task_ioprio() sees the settings above */
 		smp_wmb();
 		tsk->io_context = ret;