md/raid1: fix build breakage

Fix this build error:

  drivers/md/raid1.c: In function 'raid1_congested':
  drivers/md/raid1.c:589: error: 'BDI_write_congested' undeclared

BDI_write_congested was changed in commit 1faa16d228 ("block: change the
request allocation/congestion logic to be sync/async based")

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f2247b0..274b491 100644 (file)
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -586,7 +586,7 @@ static int raid1_congested(void *data, int bits)
                        /* Note the '|| 1' - when read_balance prefers
                         * non-congested targets, it can be removed
                         */
-                       if ((bits & (1<<BDI_write_congested)) || 1)
+                       if ((bits & (1<<BDI_async_congested)) || 1)
                                ret |= bdi_congested(&q->backing_dev_info, bits);
                        else
                                ret &= bdi_congested(&q->backing_dev_info, bits);