Btrfs: get forced transaction commits via workqueue

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 048282f06afb..751069c0e9f5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -563,6 +563,7 @@ struct btrfs_root *open_ctree(struct super_block *sb)
         INIT_RADIX_TREE(&fs_info->block_group_radix, GFP_KERNEL);
         INIT_RADIX_TREE(&fs_info->block_group_data_radix, GFP_KERNEL);
         INIT_LIST_HEAD(&fs_info->trans_list);
+        INIT_LIST_HEAD(&fs_info->dead_roots);
         sb_set_blocksize(sb, 4096);
         fs_info->running_transaction = NULL;
         fs_info->tree_root = tree_root;
@@ -577,6 +578,8 @@ struct btrfs_root *open_ctree(struct super_block *sb)
         fs_info->do_barriers = 1;
         fs_info->extent_tree_insert_nr = 0;
         fs_info->extent_tree_prealloc_nr = 0;
+        fs_info->closing = 0;
+
         INIT_DELAYED_WORK(&fs_info->trans_work, btrfs_transaction_cleaner);
         BTRFS_I(fs_info->btree_inode)->root = tree_root;
         memset(&BTRFS_I(fs_info->btree_inode)->location, 0,
@@ -746,6 +749,7 @@ int close_ctree(struct btrfs_root *root)
         struct btrfs_trans_handle *trans;
         struct btrfs_fs_info *fs_info = root->fs_info;
 
+        fs_info->closing = 1;
         btrfs_transaction_flush_work(root);
         mutex_lock(&fs_info->fs_mutex);
         trans = btrfs_start_transaction(root, 1);