1 files changed, 6 insertions, 9 deletions

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 4253ad580e39..9efb94e95858 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -148,13 +148,13 @@ no_valid_dev_replace_entry_found:
                     !btrfs_test_opt(dev_root, DEGRADED)) {
                         ret = -EIO;
                         pr_warn("btrfs: cannot mount because device replace operation is ongoing and\n" "srcdev (devid %llu) is missing, need to run 'btrfs dev scan'?\n",
-                                (unsigned long long)src_devid);
+                                src_devid);
                 }
                 if (!dev_replace->tgtdev &&
                     !btrfs_test_opt(dev_root, DEGRADED)) {
                         ret = -EIO;
                         pr_warn("btrfs: cannot mount because device replace operation is ongoing and\n" "tgtdev (devid %llu) is missing, need to run btrfs dev scan?\n",
-                                (unsigned long long)BTRFS_DEV_REPLACE_DEVID);
+                                BTRFS_DEV_REPLACE_DEVID);
                 }
                 if (dev_replace->tgtdev) {
                         if (dev_replace->srcdev) {
@@ -400,7 +400,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
         args->result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR;
         btrfs_dev_replace_unlock(dev_replace);
 
-        btrfs_wait_all_ordered_extents(root->fs_info, 0);
+        btrfs_wait_all_ordered_extents(root->fs_info);
 
         /* force writing the updated state information to disk */
         trans = btrfs_start_transaction(root, 0);
@@ -475,7 +475,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
                 mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
                 return ret;
         }
-        btrfs_wait_all_ordered_extents(root->fs_info, 0);
+        btrfs_wait_all_ordered_extents(root->fs_info);
 
         trans = btrfs_start_transaction(root, 0);
         if (IS_ERR(trans)) {
@@ -535,10 +535,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
         list_add(&tgt_device->dev_alloc_list, &fs_info->fs_devices->alloc_list);
 
         btrfs_rm_dev_replace_srcdev(fs_info, src_device);
-        if (src_device->bdev) {
-                /* zero out the old super */
-                btrfs_scratch_superblock(src_device);
-        }
+
         /*
          * this is again a consistent state where no dev_replace procedure
          * is running, the target device is part of the filesystem, the
@@ -747,7 +744,7 @@ int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info)
         WARN_ON(atomic_xchg(
                 &fs_info->mutually_exclusive_operation_running, 1));
         task = kthread_run(btrfs_dev_replace_kthread, fs_info, "btrfs-devrepl");
-        return PTR_RET(task);
+        return PTR_ERR_OR_ZERO(task);
 }
 
 static int btrfs_dev_replace_kthread(void *data)