btrfs: move ref_mod modification into the if (ref) logic (1ce7a5ec) · Commits · 戴 / test

We only use this logic if our ref isn't a ref_head, so move it up into the if (ref) case since we know that this is a normal ref and not a delayed ref head. Signed-off-by:

Josef Bacik <jbacik@fb.com> Reviewed-by:

David Sterba <dsterba@suse.com> Signed-off-by:

David Sterba <dsterba@suse.com>

fs/btrfs/extent-tree.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -2744,10 +2744,6 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
		list_del(&ref->list);
		if (!list_empty(&ref->add_list))
		list_del(&ref->add_list);
		}
		atomic_dec(&delayed_refs->num_entries);

		if (!btrfs_delayed_ref_is_head(ref)) {
		/*
		* when we play the delayed ref, also correct the
		* ref_mod on head
		@@ -2764,6 +2760,8 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
		WARN_ON(1);
		}
		}
		atomic_dec(&delayed_refs->num_entries);

		/*
		* Record the must-insert_reserved flag before we drop the spin
		* lock.

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