X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libbcachefs%2Freplicas.h;h=654a4b26d3a3c96e3ac0cecb9586de15828665f1;hb=807cabc4c960347319b5f9566e4d24b28e0183b4;hp=87246a04ccc40f118940598e54ecf2f669bd64f0;hpb=0c7db4eca3e6519043c10288cb41f8a0ee634a0b;p=bcachefs-tools-debian

diff --git a/libbcachefs/replicas.h b/libbcachefs/replicas.h
index 87246a0..654a4b2 100644
--- a/libbcachefs/replicas.h
+++ b/libbcachefs/replicas.h
@@ -1,40 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHEFS_REPLICAS_H
 #define _BCACHEFS_REPLICAS_H
 
+#include "bkey.h"
+#include "eytzinger.h"
 #include "replicas_types.h"
 
-bool bch2_replicas_marked(struct bch_fs *, enum bch_data_type,
-			  struct bch_devs_list, bool);
-bool bch2_bkey_replicas_marked(struct bch_fs *,
-			       struct bkey_s_c, bool);
-int bch2_mark_replicas(struct bch_fs *, enum bch_data_type,
-		       struct bch_devs_list);
-int bch2_mark_bkey_replicas(struct bch_fs *, struct bkey_s_c);
-
+void bch2_replicas_entry_sort(struct bch_replicas_entry_v1 *);
+void bch2_replicas_entry_to_text(struct printbuf *,
+				 struct bch_replicas_entry_v1 *);
+int bch2_replicas_entry_validate(struct bch_replicas_entry_v1 *,
+				 struct bch_sb *, struct printbuf *);
 void bch2_cpu_replicas_to_text(struct printbuf *, struct bch_replicas_cpu *);
 
-struct replicas_status {
-	struct {
-		int		redundancy;
-		unsigned	nr_offline;
-	}			replicas[BCH_DATA_NR];
-};
+static inline struct bch_replicas_entry_v1 *
+cpu_replicas_entry(struct bch_replicas_cpu *r, unsigned i)
+{
+	return (void *) r->entries + r->entry_size * i;
+}
+
+int bch2_replicas_entry_idx(struct bch_fs *,
+			    struct bch_replicas_entry_v1 *);
+
+void bch2_devlist_to_replicas(struct bch_replicas_entry_v1 *,
+			      enum bch_data_type,
+			      struct bch_devs_list);
+bool bch2_replicas_marked(struct bch_fs *, struct bch_replicas_entry_v1 *);
+int bch2_mark_replicas(struct bch_fs *,
+		       struct bch_replicas_entry_v1 *);
+
+static inline struct replicas_delta *
+replicas_delta_next(struct replicas_delta *d)
+{
+	return (void *) d + replicas_entry_bytes(&d->r) + 8;
+}
+
+int bch2_replicas_delta_list_mark(struct bch_fs *, struct replicas_delta_list *);
+
+void bch2_bkey_to_replicas(struct bch_replicas_entry_v1 *, struct bkey_s_c);
 
-struct replicas_status __bch2_replicas_status(struct bch_fs *,
-					      struct bch_devs_mask);
-struct replicas_status bch2_replicas_status(struct bch_fs *);
-bool bch2_have_enough_devs(struct replicas_status, unsigned);
+static inline void bch2_replicas_entry_cached(struct bch_replicas_entry_v1 *e,
+					      unsigned dev)
+{
+	e->data_type	= BCH_DATA_cached;
+	e->nr_devs	= 1;
+	e->nr_required	= 1;
+	e->devs[0]	= dev;
+}
 
-int bch2_replicas_online(struct bch_fs *, bool);
+bool bch2_have_enough_devs(struct bch_fs *, struct bch_devs_mask,
+			   unsigned, bool);
+
+unsigned bch2_sb_dev_has_data(struct bch_sb *, unsigned);
 unsigned bch2_dev_has_data(struct bch_fs *, struct bch_dev *);
 
 int bch2_replicas_gc_end(struct bch_fs *, int);
 int bch2_replicas_gc_start(struct bch_fs *, unsigned);
+int bch2_replicas_gc2(struct bch_fs *);
 
-/* iterate over superblock replicas - used by userspace tools: */
+int bch2_replicas_set_usage(struct bch_fs *,
+			    struct bch_replicas_entry_v1 *,
+			    u64);
+
+#define for_each_cpu_replicas_entry(_r, _i)				\
+	for (_i = (_r)->entries;					\
+	     (void *) (_i) < (void *) (_r)->entries + (_r)->nr * (_r)->entry_size;\
+	     _i = (void *) (_i) + (_r)->entry_size)
 
-#define replicas_entry_bytes(_i)					\
-	(offsetof(typeof(*(_i)), devs) + (_i)->nr_devs)
+/* iterate over superblock replicas - used by userspace tools: */
 
 #define replicas_entry_next(_i)						\
 	((typeof(_i)) ((void *) (_i) + replicas_entry_bytes(_i)))
@@ -54,4 +87,7 @@ int bch2_sb_replicas_to_cpu_replicas(struct bch_fs *);
 extern const struct bch_sb_field_ops bch_sb_field_ops_replicas;
 extern const struct bch_sb_field_ops bch_sb_field_ops_replicas_v0;
 
+void bch2_fs_replicas_exit(struct bch_fs *);
+int bch2_fs_replicas_init(struct bch_fs *);
+
 #endif /* _BCACHEFS_REPLICAS_H */