[BLOCK] ll_rw_blk: use preempt-disabling disk_stat_add() in completion

It can legally be called with interrupts/preemption enabled.

Signed-off-by: Jens Axboe <axboe@suse.de>

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 5c62507a510d1d9a3d1320e6e6b3a1378f94bd6a..6bc41564c70e2cda86dd26c502c1967aa6902e0f 100644 (file)
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3153,7 +3153,7 @@ static int __end_that_request_first(struct request *req, int uptodate,
        if (blk_fs_request(req) && req->rq_disk) {
                const int rw = rq_data_dir(req);
 
-               __disk_stat_add(req->rq_disk, sectors[rw], nr_bytes >> 9);
+               disk_stat_add(req->rq_disk, sectors[rw], nr_bytes >> 9);
        }
 
        total_bytes = bio_nbytes = 0;