Merge tag 'v3.13-rc6' into for-3.14/core

Needed to bring blk-mq uptodate, since changes have been going in
since for-3.14/core was established.

Fixup merge issues related to the immutable biovec changes.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

Conflicts:
	block/blk-flush.c
	fs/btrfs/check-integrity.c
	fs/btrfs/extent_io.c
	fs/btrfs/scrub.c
	fs/logfs/dev_bdev.c

1 files changed, 5 insertions, 8 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index bef353c51c04..eea63372e4d3 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -678,26 +678,23 @@ get_active_stripe(struct r5conf *conf, sector_t sector,
                         } else
                                 init_stripe(sh, sector, previous);
                 } else {
+                        spin_lock(&conf->device_lock);
                         if (atomic_read(&sh->count)) {
                                 BUG_ON(!list_empty(&sh->lru)
                                     && !test_bit(STRIPE_EXPANDING, &sh->state)
                                     && !test_bit(STRIPE_ON_UNPLUG_LIST, &sh->state)
-                                    && !test_bit(STRIPE_ON_RELEASE_LIST, &sh->state));
+                                        );
                         } else {
-                                spin_lock(&conf->device_lock);
                                 if (!test_bit(STRIPE_HANDLE, &sh->state))
                                         atomic_inc(&conf->active_stripes);
-                                if (list_empty(&sh->lru) &&
-                                    !test_bit(STRIPE_ON_RELEASE_LIST, &sh->state) &&
-                                    !test_bit(STRIPE_EXPANDING, &sh->state))
-                                        BUG();
+                                BUG_ON(list_empty(&sh->lru));
                                 list_del_init(&sh->lru);
                                 if (sh->group) {
                                         sh->group->stripes_cnt--;
                                         sh->group = NULL;
                                 }
-                                spin_unlock(&conf->device_lock);
                         }
+                        spin_unlock(&conf->device_lock);
                 }
         } while (sh == NULL);
 
@@ -5473,7 +5470,7 @@ static int alloc_thread_groups(struct r5conf *conf, int cnt,
         for (i = 0; i < *group_cnt; i++) {
                 struct r5worker_group *group;
 
-                group = worker_groups[i];
+                group = &(*worker_groups)[i];
                 INIT_LIST_HEAD(&group->handle_list);
                 group->conf = conf;
                 group->workers = workers + i * cnt;