1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 885d1409521f..84c03d65dcc5 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -757,11 +757,15 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector
         const int rw = bio_data_dir(bio);
         struct hd_struct *part;
 
-        part = disk_map_sector(disk, sector);
+        rcu_read_lock();
+
+        part = disk_map_sector_rcu(disk, sector);
         all_stat_inc(disk, part, ios[rw], sector);
         all_stat_add(disk, part, ticks[rw], duration, sector);
         all_stat_add(disk, part, sectors[rw], n_sect, sector);
         all_stat_add(disk, part, io_ticks, duration, sector);
+
+        rcu_read_unlock();
 }
 
 void