Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
[linux-2.6.git] / fs / btrfs / ordered-data.c
index ecb22ff..a127c0e 100644 (file)
@@ -302,6 +302,7 @@ static int __btrfs_remove_ordered_extent(struct inode *inode,
                                struct btrfs_ordered_extent *entry)
 {
        struct btrfs_ordered_inode_tree *tree;
+       struct btrfs_root *root = BTRFS_I(inode)->root;
        struct rb_node *node;
 
        tree = &BTRFS_I(inode)->ordered_tree;
@@ -311,12 +312,13 @@ static int __btrfs_remove_ordered_extent(struct inode *inode,
        set_bit(BTRFS_ORDERED_COMPLETE, &entry->flags);
 
        spin_lock(&BTRFS_I(inode)->accounting_lock);
+       WARN_ON(!BTRFS_I(inode)->outstanding_extents);
        BTRFS_I(inode)->outstanding_extents--;
        spin_unlock(&BTRFS_I(inode)->accounting_lock);
        btrfs_unreserve_metadata_for_delalloc(BTRFS_I(inode)->root,
                                              inode, 1);
 
-       spin_lock(&BTRFS_I(inode)->root->fs_info->ordered_extent_lock);
+       spin_lock(&root->fs_info->ordered_extent_lock);
        list_del_init(&entry->root_extent_list);
 
        /*
@@ -328,7 +330,7 @@ static int __btrfs_remove_ordered_extent(struct inode *inode,
            !mapping_tagged(inode->i_mapping, PAGECACHE_TAG_DIRTY)) {
                list_del_init(&BTRFS_I(inode)->ordered_operations);
        }
-       spin_unlock(&BTRFS_I(inode)->root->fs_info->ordered_extent_lock);
+       spin_unlock(&root->fs_info->ordered_extent_lock);
 
        return 0;
 }