diff options
Diffstat (limited to 'fs/btrfs/delayed-ref.c')
| -rw-r--r-- | fs/btrfs/delayed-ref.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 66e4f29505a3..69f22e3ab3bc 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -420,7 +420,7 @@ update_existing_head_ref(struct btrfs_delayed_ref_node *existing, * this does all the dirty work in terms of maintaining the correct * overall modification count. */ -static noinline int add_delayed_ref_head(struct btrfs_fs_info *fs_info, +static noinline void add_delayed_ref_head(struct btrfs_fs_info *fs_info, struct btrfs_trans_handle *trans, struct btrfs_delayed_ref_node *ref, u64 bytenr, u64 num_bytes, @@ -487,20 +487,19 @@ static noinline int add_delayed_ref_head(struct btrfs_fs_info *fs_info, * we've updated the existing ref, free the newly * allocated ref */ - kfree(ref); + kfree(head_ref); } else { delayed_refs->num_heads++; delayed_refs->num_heads_ready++; delayed_refs->num_entries++; trans->delayed_ref_updates++; } - return 0; } /* * helper to insert a delayed tree ref into the rbtree. */ -static noinline int add_delayed_tree_ref(struct btrfs_fs_info *fs_info, +static noinline void add_delayed_tree_ref(struct btrfs_fs_info *fs_info, struct btrfs_trans_handle *trans, struct btrfs_delayed_ref_node *ref, u64 bytenr, u64 num_bytes, u64 parent, @@ -549,18 +548,17 @@ static noinline int add_delayed_tree_ref(struct btrfs_fs_info *fs_info, * we've updated the existing ref, free the newly * allocated ref */ - kfree(ref); + kfree(full_ref); } else { delayed_refs->num_entries++; trans->delayed_ref_updates++; } - return 0; } /* * helper to insert a delayed data ref into the rbtree. */ -static noinline int add_delayed_data_ref(struct btrfs_fs_info *fs_info, +static noinline void add_delayed_data_ref(struct btrfs_fs_info *fs_info, struct btrfs_trans_handle *trans, struct btrfs_delayed_ref_node *ref, u64 bytenr, u64 num_bytes, u64 parent, @@ -611,12 +609,11 @@ static noinline int add_delayed_data_ref(struct btrfs_fs_info *fs_info, * we've updated the existing ref, free the newly * allocated ref */ - kfree(ref); + kfree(full_ref); } else { delayed_refs->num_entries++; trans->delayed_ref_updates++; } - return 0; } /* @@ -634,7 +631,6 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info, struct btrfs_delayed_tree_ref *ref; struct btrfs_delayed_ref_head *head_ref; struct btrfs_delayed_ref_root *delayed_refs; - int ret; BUG_ON(extent_op && extent_op->is_data); ref = kmalloc(sizeof(*ref), GFP_NOFS); @@ -656,14 +652,12 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info, * insert both the head node and the new ref without dropping * the spin lock */ - ret = add_delayed_ref_head(fs_info, trans, &head_ref->node, bytenr, + add_delayed_ref_head(fs_info, trans, &head_ref->node, bytenr, num_bytes, action, 0); - BUG_ON(ret); - ret = add_delayed_tree_ref(fs_info, trans, &ref->node, bytenr, + add_delayed_tree_ref(fs_info, trans, &ref->node, bytenr, num_bytes, parent, ref_root, level, action, for_cow); - BUG_ON(ret); if (!need_ref_seq(for_cow, ref_root) && waitqueue_active(&delayed_refs->seq_wait)) wake_up(&delayed_refs->seq_wait); @@ -685,7 +679,6 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, struct btrfs_delayed_data_ref *ref; struct btrfs_delayed_ref_head *head_ref; struct btrfs_delayed_ref_root *delayed_refs; - int ret; BUG_ON(extent_op && !extent_op->is_data); ref = kmalloc(sizeof(*ref), GFP_NOFS); @@ -707,14 +700,12 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, * insert both the head node and the new ref without dropping * the spin lock */ - ret = add_delayed_ref_head(fs_info, trans, &head_ref->node, bytenr, + add_delayed_ref_head(fs_info, trans, &head_ref->node, bytenr, num_bytes, action, 1); - BUG_ON(ret); - ret = add_delayed_data_ref(fs_info, trans, &ref->node, bytenr, + add_delayed_data_ref(fs_info, trans, &ref->node, bytenr, num_bytes, parent, ref_root, owner, offset, action, for_cow); - BUG_ON(ret); if (!need_ref_seq(for_cow, ref_root) && waitqueue_active(&delayed_refs->seq_wait)) wake_up(&delayed_refs->seq_wait); @@ -729,7 +720,6 @@ int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info, { struct btrfs_delayed_ref_head *head_ref; struct btrfs_delayed_ref_root *delayed_refs; - int ret; head_ref = kmalloc(sizeof(*head_ref), GFP_NOFS); if (!head_ref) @@ -740,10 +730,9 @@ int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info, delayed_refs = &trans->transaction->delayed_refs; spin_lock(&delayed_refs->lock); - ret = add_delayed_ref_head(fs_info, trans, &head_ref->node, bytenr, + add_delayed_ref_head(fs_info, trans, &head_ref->node, bytenr, num_bytes, BTRFS_UPDATE_DELAYED_HEAD, extent_op->is_data); - BUG_ON(ret); if (waitqueue_active(&delayed_refs->seq_wait)) wake_up(&delayed_refs->seq_wait); |