bcachefs: btree_id_cached()
Add a new helper that returns true if the given btree ID uses the btree
key cache. This enables some new cleanups, since the helper can check
the options for whether caching is enabled on a given btree.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 59c0963..55db3c0 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -716,6 +716,7 @@ struct bch_fs {
bool btree_trans_barrier_initialized;
struct btree_key_cache btree_key_cache;
+ unsigned btree_key_cache_btrees;
struct workqueue_struct *btree_update_wq;
struct workqueue_struct *btree_io_complete_wq;
@@ -952,6 +953,11 @@ static inline size_t btree_sectors(const struct bch_fs *c)
return c->opts.btree_node_size >> 9;
}
+static inline bool btree_id_cached(const struct bch_fs *c, enum btree_id btree)
+{
+ return c->btree_key_cache_btrees & (1U << btree);
+}
+
static inline struct timespec64 bch2_time_to_timespec(const struct bch_fs *c, s64 time)
{
struct timespec64 t;
