]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/super-io.h
Update bcachefs sources to 0906b1fb49 bcachefs: fixes for 32 bit/big endian machines
[bcachefs-tools-debian] / libbcachefs / super-io.h
index 3811de72c7a9b633178e9f75e89d546d69ee206c..995b1c907318c823b009b3bbf48e45059a8c10af 100644 (file)
@@ -11,8 +11,6 @@
 struct bch_sb_field *bch2_sb_field_get(struct bch_sb *, enum bch_sb_field_type);
 struct bch_sb_field *bch2_sb_field_resize(struct bch_sb_handle *,
                                          enum bch_sb_field_type, unsigned);
-struct bch_sb_field *bch2_fs_sb_field_resize(struct bch_fs *,
-                                        enum bch_sb_field_type, unsigned);
 
 #define field_to_type(_f, _name)                                       \
        container_of_or_null(_f, struct bch_sb_field_##_name, field)
@@ -30,13 +28,6 @@ bch2_sb_resize_##_name(struct bch_sb_handle *sb, unsigned u64s)      \
 {                                                                      \
        return field_to_type(bch2_sb_field_resize(sb,                   \
                                BCH_SB_FIELD_##_name, u64s), _name);    \
-}                                                                      \
-                                                                       \
-static inline struct bch_sb_field_##_name *                            \
-bch2_fs_sb_resize_##_name(struct bch_fs *c, unsigned u64s)             \
-{                                                                      \
-       return field_to_type(bch2_fs_sb_field_resize(c,                 \
-                               BCH_SB_FIELD_##_name, u64s), _name);    \
 }
 
 BCH_SB_FIELDS()
@@ -44,6 +35,12 @@ BCH_SB_FIELDS()
 
 extern const char * const bch2_sb_fields[];
 
+struct bch_sb_field_ops {
+       const char *    (*validate)(struct bch_sb *, struct bch_sb_field *);
+       size_t          (*to_text)(char *, size_t, struct bch_sb *,
+                                  struct bch_sb_field *);
+};
+
 static inline bool bch2_sb_test_feature(struct bch_sb *sb,
                                        enum bch_sb_features f)
 {
@@ -76,11 +73,6 @@ static inline __u64 jset_magic(struct bch_fs *c)
        return __le64_to_cpu(bch2_sb_magic(c) ^ JSET_MAGIC);
 }
 
-static inline __u64 pset_magic(struct bch_fs *c)
-{
-       return __le64_to_cpu(bch2_sb_magic(c) ^ PSET_MAGIC);
-}
-
 static inline __u64 bset_magic(struct bch_fs *c)
 {
        return __le64_to_cpu(bch2_sb_magic(c) ^ BSET_MAGIC);
@@ -90,7 +82,7 @@ int bch2_sb_to_fs(struct bch_fs *, struct bch_sb *);
 int bch2_sb_from_fs(struct bch_fs *, struct bch_dev *);
 
 void bch2_free_super(struct bch_sb_handle *);
-int bch2_super_realloc(struct bch_sb_handle *, unsigned);
+int bch2_sb_realloc(struct bch_sb_handle *, unsigned);
 
 const char *bch2_sb_validate(struct bch_sb_handle *);
 
@@ -132,128 +124,14 @@ static inline struct bch_member_cpu bch2_mi_to_cpu(struct bch_member *mi)
                .replacement    = BCH_MEMBER_REPLACEMENT(mi),
                .discard        = BCH_MEMBER_DISCARD(mi),
                .data_allowed   = BCH_MEMBER_DATA_ALLOWED(mi),
+               .durability     = BCH_MEMBER_DURABILITY(mi)
+                       ? BCH_MEMBER_DURABILITY(mi) - 1
+                       : 1,
                .valid          = !bch2_is_zero(mi->uuid.b, sizeof(uuid_le)),
        };
 }
 
-/* BCH_SB_FIELD_replicas: */
-
-bool bch2_replicas_marked(struct bch_fs *, enum bch_data_type,
-                         struct bch_devs_list);
-bool bch2_bkey_replicas_marked(struct bch_fs *, enum bch_data_type,
-                              struct bkey_s_c);
-int bch2_mark_replicas(struct bch_fs *, enum bch_data_type,
-                      struct bch_devs_list);
-int bch2_mark_bkey_replicas(struct bch_fs *, enum bch_data_type,
-                           struct bkey_s_c);
-
-int bch2_cpu_replicas_to_text(struct bch_replicas_cpu *, char *, size_t);
-int bch2_sb_replicas_to_text(struct bch_sb_field_replicas *, char *, size_t);
-
-struct replicas_status {
-       struct {
-               unsigned        nr_online;
-               unsigned        nr_offline;
-       }                       replicas[BCH_DATA_NR];
-};
-
-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);
-
-unsigned bch2_replicas_online(struct bch_fs *, bool);
-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);
-
-/* iterate over superblock replicas - used by userspace tools: */
-
-static inline struct bch_replicas_entry *
-replicas_entry_next(struct bch_replicas_entry *i)
-{
-       return (void *) i + offsetof(struct bch_replicas_entry, devs) + i->nr;
-}
-
-#define for_each_replicas_entry(_r, _i)                                        \
-       for (_i = (_r)->entries;                                        \
-            (void *) (_i) < vstruct_end(&(_r)->field) && (_i)->data_type;\
-            (_i) = replicas_entry_next(_i))
-
-/* disk groups: */
-
-static inline unsigned disk_groups_nr(struct bch_sb_field_disk_groups *groups)
-{
-       return groups
-               ? (vstruct_end(&groups->field) -
-                  (void *) &groups->entries[0]) / sizeof(struct bch_disk_group)
-               : 0;
-}
-
-struct target {
-       enum {
-               TARGET_NULL,
-               TARGET_DEV,
-               TARGET_GROUP,
-       }                       type;
-       union {
-               unsigned        dev;
-               unsigned        group;
-       };
-};
-
-#define TARGET_DEV_START       1
-#define TARGET_GROUP_START     (256 + TARGET_DEV_START)
-
-static inline u16 dev_to_target(unsigned dev)
-{
-       return TARGET_DEV_START + dev;
-}
-
-static inline u16 group_to_target(unsigned group)
-{
-       return TARGET_GROUP_START + group;
-}
-
-static inline struct target target_decode(unsigned target)
-{
-       if (target >= TARGET_GROUP_START)
-               return (struct target) {
-                       .type   = TARGET_GROUP,
-                       .group  = target - TARGET_GROUP_START
-               };
-
-       if (target >= TARGET_DEV_START)
-               return (struct target) {
-                       .type   = TARGET_DEV,
-                       .group  = target - TARGET_DEV_START
-               };
-
-       return (struct target) { .type = TARGET_NULL };
-}
-
-static inline bool dev_in_target(struct bch_dev *ca, unsigned target)
-{
-       struct target t = target_decode(target);
-
-       switch (t.type) {
-       case TARGET_NULL:
-               return false;
-       case TARGET_DEV:
-               return ca->dev_idx == t.dev;
-       case TARGET_GROUP:
-               return ca->mi.group && ca->mi.group == t.group;
-       default:
-               BUG();
-       }
-}
-
-const struct bch_devs_mask *bch2_target_to_mask(struct bch_fs *, unsigned);
-
-int __bch2_disk_group_find(struct bch_sb_field_disk_groups *, const char *);
-
-int bch2_opt_target_parse(struct bch_fs *, const char *, u64 *);
-int bch2_opt_target_print(struct bch_fs *, char *, size_t, u64);
+size_t bch2_sb_field_to_text(char *, size_t, struct bch_sb *,
+                            struct bch_sb_field *);
 
 #endif /* _BCACHEFS_SUPER_IO_H */