Btrfs: Fix the defragmention code and the block relocation code for data=ordered

[linux-2.6-block.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 7ce3f83c5dd633bab76b3a535361b28013b134d3..ec01062eb41d23500aa18ba9634d250f5557c99e 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1252,6 +1252,9 @@ struct btrfs_root *open_ctree(struct super_block *sb,
        fs_info->btree_inode->i_nlink = 1;
        fs_info->thread_pool_size = min(num_online_cpus() + 2, 8);
 
+       INIT_LIST_HEAD(&fs_info->ordered_extents);
+       spin_lock_init(&fs_info->ordered_extent_lock);
+
        sb->s_blocksize = 4096;
        sb->s_blocksize_bits = blksize_bits(4096);