nix: fix build

[bcachefs-tools-debian] / libbcachefs / disk_groups.h

diff --git a/libbcachefs/disk_groups.h b/libbcachefs/disk_groups.h
index 9da9805af91c2931aadc7b4e5f08805a23bf38d8..441826fff224369b79698442e6b314cf5331c02c 100644 (file)
--- a/libbcachefs/disk_groups.h
+++ b/libbcachefs/disk_groups.h
@@ -1,6 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _BCACHEFS_DISK_GROUPS_H
 #define _BCACHEFS_DISK_GROUPS_H
 
+#include "disk_groups_types.h"
+
 extern const struct bch_sb_field_ops bch_sb_field_ops_disk_groups;
 
 static inline unsigned disk_groups_nr(struct bch_sb_field_disk_groups *groups)
@@ -53,47 +56,56 @@ static inline struct target target_decode(unsigned target)
        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 - 1 == t.group;
-       default:
-               BUG();
-       }
-}
+const struct bch_devs_mask *bch2_target_to_mask(struct bch_fs *, unsigned);
 
-static inline bool dev_idx_in_target(struct bch_fs *c, unsigned dev, unsigned target)
+static inline struct bch_devs_mask target_rw_devs(struct bch_fs *c,
+                                                 enum bch_data_type data_type,
+                                                 u16 target)
 {
-       bool ret;
+       struct bch_devs_mask devs = c->rw_devs[data_type];
+       const struct bch_devs_mask *t = bch2_target_to_mask(c, target);
 
-       rcu_read_lock();
-       ret = dev_in_target(rcu_dereference(c->devs[dev]), target);
-       rcu_read_unlock();
+       if (t)
+               bitmap_and(devs.d, devs.d, t->d, BCH_SB_MEMBERS_MAX);
+       return devs;
+}
 
-       return ret;
+static inline bool bch2_target_accepts_data(struct bch_fs *c,
+                                           enum bch_data_type data_type,
+                                           u16 target)
+{
+       struct bch_devs_mask rw_devs = target_rw_devs(c, data_type, target);
+       return !bitmap_empty(rw_devs.d, BCH_SB_MEMBERS_MAX);
 }
 
-const struct bch_devs_mask *bch2_target_to_mask(struct bch_fs *, unsigned);
+bool bch2_dev_in_target(struct bch_fs *, unsigned, unsigned);
 
 int bch2_disk_path_find(struct bch_sb_handle *, const char *);
+
+/* Exported for userspace bcachefs-tools: */
 int bch2_disk_path_find_or_create(struct bch_sb_handle *, const char *);
-int bch2_disk_path_print(struct bch_sb_handle *, char *, size_t, unsigned);
 
-int bch2_opt_target_parse(struct bch_fs *, const char *, u64 *);
-int bch2_opt_target_print(struct bch_fs *, char *, size_t, u64);
+void bch2_disk_path_to_text(struct printbuf *, struct bch_fs *, unsigned);
+void bch2_disk_path_to_text_sb(struct printbuf *, struct bch_sb *, unsigned);
+
+void bch2_target_to_text(struct printbuf *out, struct bch_fs *, unsigned);
+
+int bch2_opt_target_parse(struct bch_fs *, const char *, u64 *, struct printbuf *);
+void bch2_opt_target_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *, u64);
+
+#define bch2_opt_target (struct bch_opt_fn) {          \
+       .parse          = bch2_opt_target_parse,        \
+       .to_text        = bch2_opt_target_to_text,      \
+}
 
 int bch2_sb_disk_groups_to_cpu(struct bch_fs *);
 
+int __bch2_dev_group_set(struct bch_fs *, struct bch_dev *, const char *);
 int bch2_dev_group_set(struct bch_fs *, struct bch_dev *, const char *);
 
 const char *bch2_sb_validate_disk_groups(struct bch_sb *,
                                         struct bch_sb_field *);
 
+void bch2_disk_groups_to_text(struct printbuf *, struct bch_fs *);
+
 #endif /* _BCACHEFS_DISK_GROUPS_H */