block: fix accounting bug on cross partition merges

[mv-sheeva.git] / block / blk-merge.c

diff --git a/block/blk-merge.c b/block/blk-merge.c
index 6a725461654d86302c508faba05012f827d65780..38ff234012a4617e42a5950f362600219d04634b 100644 (file)
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -351,7 +351,7 @@ static void blk_account_io_merge(struct request *req)
                int cpu;
 
                cpu = part_stat_lock();
-               part = disk_map_sector_rcu(req->rq_disk, blk_rq_pos(req));
+               part = req->part;
 
                part_round_stats(cpu, part);
                part_dec_in_flight(part, rq_data_dir(req));