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| author | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2012-06-14 16:37:44 +0200 |
|---|---|---|
| committer | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2012-07-12 10:54:38 +0200 |
| commit | 546adb0d817c34dc2be3a7cb5bba8771f837a562 (patch) | |
| tree | e287f5cb18b6c97d6acdbc09dbb045dca95e7daa /fs/btrfs/delayed-ref.c | |
| parent | bcef60f249034f69e89e544461cbfecb68975595 (diff) | |
| download | linux-546adb0d817c34dc2be3a7cb5bba8771f837a562.tar.bz2 | |
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 <sensille@gmx.net>
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Diffstat (limited to 'fs/btrfs/delayed-ref.c')
| -rw-r--r-- | fs/btrfs/delayed-ref.c | 16 |
1 files changed, 10 insertions, 6 deletions
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; } |