btrfs: factor btrfs_init_balance() out of open_ctree()

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
[renamed to btrfs_init_balance]
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 2936a3958f3c496931d9d62f69a4fa037f531ac0..b95b033b2494fd20dc2cb5c5fe56919df42c80c6 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2158,6 +2158,17 @@ static void btrfs_init_scrub(struct btrfs_fs_info *fs_info)
        fs_info->scrub_workers_refcnt = 0;
 }
 
+static void btrfs_init_balance(struct btrfs_fs_info *fs_info)
+{
+       spin_lock_init(&fs_info->balance_lock);
+       mutex_init(&fs_info->balance_mutex);
+       atomic_set(&fs_info->balance_running, 0);
+       atomic_set(&fs_info->balance_pause_req, 0);
+       atomic_set(&fs_info->balance_cancel_req, 0);
+       fs_info->balance_ctl = NULL;
+       init_waitqueue_head(&fs_info->balance_wait_q);
+}
+
 int open_ctree(struct super_block *sb,
               struct btrfs_fs_devices *fs_devices,
               char *options)
@@ -2311,14 +2322,7 @@ int open_ctree(struct super_block *sb,
 #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
        fs_info->check_integrity_print_mask = 0;
 #endif
-
-       spin_lock_init(&fs_info->balance_lock);
-       mutex_init(&fs_info->balance_mutex);
-       atomic_set(&fs_info->balance_running, 0);
-       atomic_set(&fs_info->balance_pause_req, 0);
-       atomic_set(&fs_info->balance_cancel_req, 0);
-       fs_info->balance_ctl = NULL;
-       init_waitqueue_head(&fs_info->balance_wait_q);
+       btrfs_init_balance(fs_info);
        btrfs_init_async_reclaim_work(&fs_info->async_reclaim_work);
 
        sb->s_blocksize = 4096;