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authorChris Mason <chris.mason@oracle.com>2012-01-16 15:26:31 -0500
committerChris Mason <chris.mason@oracle.com>2012-01-16 15:26:31 -0500
commit9785dbdf265ddc47d5c88267d89a97648c0dc14b (patch)
tree3a97a48d6f282f9e06c5446beeb886fcd86c4798 /fs/btrfs/transaction.c
parentd756bd2d9339447c29bde950910586df8f8941ec (diff)
parent6bf7e080d5bcb0d399ee38ce3dabbfad64448192 (diff)
Merge branch 'for-chris' of git://git.jan-o-sch.net/btrfs-unstable into integration
Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r--fs/btrfs/transaction.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 360c2dfd1ee..d5f987b49d7 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -36,6 +36,8 @@ static noinline void put_transaction(struct btrfs_transaction *transaction)
WARN_ON(atomic_read(&transaction->use_count) == 0);
if (atomic_dec_and_test(&transaction->use_count)) {
BUG_ON(!list_empty(&transaction->list));
+ WARN_ON(transaction->delayed_refs.root.rb_node);
+ WARN_ON(!list_empty(&transaction->delayed_refs.seq_head));
memset(transaction, 0, sizeof(*transaction));
kmem_cache_free(btrfs_transaction_cachep, transaction);
}
@@ -108,8 +110,11 @@ loop:
cur_trans->delayed_refs.num_heads = 0;
cur_trans->delayed_refs.flushing = 0;
cur_trans->delayed_refs.run_delayed_start = 0;
+ cur_trans->delayed_refs.seq = 1;
+ init_waitqueue_head(&cur_trans->delayed_refs.seq_wait);
spin_lock_init(&cur_trans->commit_lock);
spin_lock_init(&cur_trans->delayed_refs.lock);
+ INIT_LIST_HEAD(&cur_trans->delayed_refs.seq_head);
INIT_LIST_HEAD(&cur_trans->pending_snapshots);
list_add_tail(&cur_trans->list, &root->fs_info->trans_list);
@@ -1386,9 +1391,9 @@ int btrfs_clean_old_snapshots(struct btrfs_root *root)
if (btrfs_header_backref_rev(root->node) <
BTRFS_MIXED_BACKREF_REV)
- btrfs_drop_snapshot(root, NULL, 0);
+ btrfs_drop_snapshot(root, NULL, 0, 0);
else
- btrfs_drop_snapshot(root, NULL, 1);
+ btrfs_drop_snapshot(root, NULL, 1, 0);
}
return 0;
}