Move c_src dirs back to toplevel

[bcachefs-tools-debian] / libbcachefs / super-io.h

diff --git a/libbcachefs/super-io.h b/libbcachefs/super-io.h
index 14a25f6fe29a5756bd6dd218e113564afc3ac32f..95e80e06316bf49873d64d4dc79cc766df0023a0 100644 (file)
--- a/libbcachefs/super-io.h
+++ b/libbcachefs/super-io.h
@@ -6,34 +6,47 @@
 #include "eytzinger.h"
 #include "super_types.h"
 #include "super.h"
+#include "sb-members.h"
 
 #include <asm/byteorder.h>
 
-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);
-void bch2_sb_field_delete(struct bch_sb_handle *, enum bch_sb_field_type);
+static inline bool bch2_version_compatible(u16 version)
+{
+       return BCH_VERSION_MAJOR(version) <= BCH_VERSION_MAJOR(bcachefs_metadata_version_current) &&
+               version >= bcachefs_metadata_version_min;
+}
+
+void bch2_version_to_text(struct printbuf *, unsigned);
+unsigned bch2_latest_compatible_version(unsigned);
+
+static inline size_t bch2_sb_field_bytes(struct bch_sb_field *f)
+{
+       return le32_to_cpu(f->u64s) * sizeof(u64);
+}
 
 #define field_to_type(_f, _name)                                       \
        container_of_or_null(_f, struct bch_sb_field_##_name, field)
 
-#define x(_name, _nr)                                                  \
-static inline struct bch_sb_field_##_name *                            \
-bch2_sb_get_##_name(struct bch_sb *sb)                                 \
-{                                                                      \
-       return field_to_type(bch2_sb_field_get(sb,                      \
-                               BCH_SB_FIELD_##_name), _name);          \
-}                                                                      \
-                                                                       \
-static inline struct bch_sb_field_##_name *                            \
-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);    \
-}
+struct bch_sb_field *bch2_sb_field_get_id(struct bch_sb *, enum bch_sb_field_type);
+#define bch2_sb_field_get(_sb, _name)                                  \
+       field_to_type(bch2_sb_field_get_id(_sb, BCH_SB_FIELD_##_name), _name)
+
+struct bch_sb_field *bch2_sb_field_resize_id(struct bch_sb_handle *,
+                                            enum bch_sb_field_type, unsigned);
+#define bch2_sb_field_resize(_sb, _name, _u64s)                                \
+       field_to_type(bch2_sb_field_resize_id(_sb, BCH_SB_FIELD_##_name, _u64s), _name)
+
+struct bch_sb_field *bch2_sb_field_get_minsize_id(struct bch_sb_handle *,
+                                       enum bch_sb_field_type, unsigned);
+#define bch2_sb_field_get_minsize(_sb, _name, _u64s)                           \
+       field_to_type(bch2_sb_field_get_minsize_id(_sb, BCH_SB_FIELD_##_name, _u64s), _name)
 
-BCH_SB_FIELDS()
-#undef x
+#define bch2_sb_field_nr_entries(_f)                                   \
+       (_f ? ((bch2_sb_field_bytes(&_f->field) - sizeof(*_f)) /        \
+              sizeof(_f->entries[0]))                                  \
+           : 0)
+
+void bch2_sb_field_delete(struct bch_sb_handle *, enum bch_sb_field_type);
 
 extern const char * const bch2_sb_fields[];
 
@@ -45,6 +58,7 @@ struct bch_sb_field_ops {
 static inline __le64 bch2_sb_magic(struct bch_fs *c)
 {
        __le64 ret;
+
        memcpy(&ret, &c->sb.uuid, sizeof(ret));
        return ret;
 }
@@ -66,6 +80,7 @@ void bch2_free_super(struct bch_sb_handle *);
 int bch2_sb_realloc(struct bch_sb_handle *, unsigned);
 
 int bch2_read_super(const char *, struct bch_opts *, struct bch_sb_handle *);
+int bch2_read_super_silent(const char *, struct bch_opts *, struct bch_sb_handle *);
 int bch2_write_super(struct bch_fs *);
 void __bch2_check_set_feature(struct bch_fs *, unsigned);
 
@@ -75,49 +90,11 @@ static inline void bch2_check_set_feature(struct bch_fs *c, unsigned feat)
                __bch2_check_set_feature(c, feat);
 }
 
-/* BCH_SB_FIELD_members: */
-
-static inline bool bch2_member_exists(struct bch_member *m)
-{
-       return !bch2_is_zero(m->uuid.b, sizeof(uuid_le));
-}
-
-static inline bool bch2_dev_exists(struct bch_sb *sb,
-                                  struct bch_sb_field_members *mi,
-                                  unsigned dev)
-{
-       return dev < sb->nr_devices &&
-               bch2_member_exists(&mi->members[dev]);
-}
-
-static inline struct bch_member_cpu bch2_mi_to_cpu(struct bch_member *mi)
-{
-       return (struct bch_member_cpu) {
-               .nbuckets       = le64_to_cpu(mi->nbuckets),
-               .first_bucket   = le16_to_cpu(mi->first_bucket),
-               .bucket_size    = le16_to_cpu(mi->bucket_size),
-               .group          = BCH_MEMBER_GROUP(mi),
-               .state          = BCH_MEMBER_STATE(mi),
-               .discard        = BCH_MEMBER_DISCARD(mi),
-               .data_allowed   = BCH_MEMBER_DATA_ALLOWED(mi),
-               .durability     = BCH_MEMBER_DURABILITY(mi)
-                       ? BCH_MEMBER_DURABILITY(mi) - 1
-                       : 1,
-               .freespace_initialized = BCH_MEMBER_FREESPACE_INITIALIZED(mi),
-               .valid          = !bch2_is_zero(mi->uuid.b, sizeof(uuid_le)),
-       };
-}
-
-/* BCH_SB_FIELD_clean: */
-
-void bch2_journal_super_entries_add_common(struct bch_fs *,
-                                          struct jset_entry **, u64);
-
-int bch2_sb_clean_validate_late(struct bch_fs *, struct bch_sb_field_clean *, int);
-
-int bch2_fs_mark_dirty(struct bch_fs *);
-void bch2_fs_mark_clean(struct bch_fs *);
+bool bch2_check_version_downgrade(struct bch_fs *);
+void bch2_sb_upgrade(struct bch_fs *, unsigned);
 
+void __bch2_sb_field_to_text(struct printbuf *, struct bch_sb *,
+                            struct bch_sb_field *);
 void bch2_sb_field_to_text(struct printbuf *, struct bch_sb *,
                           struct bch_sb_field *);
 void bch2_sb_layout_to_text(struct printbuf *, struct bch_sb_layout *);