From 546adb0d817c34dc2be3a7cb5bba8771f837a562 Mon Sep 17 00:00:00 2001 From: Jan Schmidt Date: Thu, 14 Jun 2012 16:37:44 +0200 Subject: Btrfs: hooks for qgroup to record delayed refs Hooks into qgroup code to record refs and into transaction commit. This is the main entry point for qgroup. Basically every change in extent backrefs got accounted to the appropriate qgroups. Signed-off-by: Arne Jansen Signed-off-by: Jan Schmidt --- fs/btrfs/delayed-ref.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'fs/btrfs/delayed-ref.c') diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 21a757717637..da7419ed01bb 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -529,8 +529,8 @@ static noinline void add_delayed_tree_ref(struct btrfs_fs_info *fs_info, ref->is_head = 0; ref->in_tree = 1; - if (is_fstree(ref_root)) - seq = btrfs_inc_tree_mod_seq(fs_info); + if (need_ref_seq(for_cow, ref_root)) + seq = btrfs_get_tree_mod_seq(fs_info, &trans->delayed_ref_elem); ref->seq = seq; full_ref = btrfs_delayed_node_to_tree_ref(ref); @@ -588,8 +588,8 @@ static noinline void add_delayed_data_ref(struct btrfs_fs_info *fs_info, ref->is_head = 0; ref->in_tree = 1; - if (is_fstree(ref_root)) - seq = btrfs_inc_tree_mod_seq(fs_info); + if (need_ref_seq(for_cow, ref_root)) + seq = btrfs_get_tree_mod_seq(fs_info, &trans->delayed_ref_elem); ref->seq = seq; full_ref = btrfs_delayed_node_to_data_ref(ref); @@ -662,10 +662,12 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info, add_delayed_tree_ref(fs_info, trans, &ref->node, bytenr, num_bytes, parent, ref_root, level, action, for_cow); - if (!is_fstree(ref_root) && + if (!need_ref_seq(for_cow, ref_root) && waitqueue_active(&fs_info->tree_mod_seq_wait)) wake_up(&fs_info->tree_mod_seq_wait); spin_unlock(&delayed_refs->lock); + if (need_ref_seq(for_cow, ref_root)) + btrfs_qgroup_record_ref(trans, &ref->node, extent_op); return 0; } @@ -711,10 +713,12 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, add_delayed_data_ref(fs_info, trans, &ref->node, bytenr, num_bytes, parent, ref_root, owner, offset, action, for_cow); - if (!is_fstree(ref_root) && + if (!need_ref_seq(for_cow, ref_root) && waitqueue_active(&fs_info->tree_mod_seq_wait)) wake_up(&fs_info->tree_mod_seq_wait); spin_unlock(&delayed_refs->lock); + if (need_ref_seq(for_cow, ref_root)) + btrfs_qgroup_record_ref(trans, &ref->node, extent_op); return 0; } -- cgit v1.2.3