/*
* Maximum number of btrees that we will _ever_ have under the current scheme,
- * where we refer to them with bitfields
+ * where we refer to them with 64 bit bitfields - and we also need a bit for
+ * the interior btree node type:
*/
-#define BTREE_ID_NR_MAX 64
+#define BTREE_ID_NR_MAX 63
static inline bool btree_id_is_alloc(enum btree_id id)
{
static inline bool btree_node_type_is_extents(enum btree_node_type type)
{
- const unsigned mask = 0
+ const u64 mask = 0
#define x(name, nr, flags, ...) |((!!((flags) & BTREE_ID_EXTENTS)) << (nr + 1))
BCH_BTREE_IDS()
#undef x
;
- return (1U << type) & mask;
+ return BIT_ULL(type) & mask;
}
static inline bool btree_id_is_extents(enum btree_id btree)
static inline bool btree_type_has_snapshots(enum btree_id id)
{
- const unsigned mask = 0
+ const u64 mask = 0
#define x(name, nr, flags, ...) |((!!((flags) & BTREE_ID_SNAPSHOTS)) << nr)
BCH_BTREE_IDS()
#undef x
;
- return (1U << id) & mask;
+ return BIT_ULL(id) & mask;
}
static inline bool btree_type_has_snapshot_field(enum btree_id id)
{
- const unsigned mask = 0
+ const u64 mask = 0
#define x(name, nr, flags, ...) |((!!((flags) & (BTREE_ID_SNAPSHOT_FIELD|BTREE_ID_SNAPSHOTS))) << nr)
BCH_BTREE_IDS()
#undef x
;
- return (1U << id) & mask;
+ return BIT_ULL(id) & mask;
}
static inline bool btree_type_has_ptrs(enum btree_id id)
{
- const unsigned mask = 0
+ const u64 mask = 0
#define x(name, nr, flags, ...) |((!!((flags) & BTREE_ID_DATA)) << nr)
BCH_BTREE_IDS()
#undef x
;
- return (1U << id) & mask;
+ return BIT_ULL(id) & mask;
}
struct btree_root {