Update bcachefs sources to 5e392aed7a bcachefs: Kill bch2_alloc_write()

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

diff --git a/libbcachefs/super.h b/libbcachefs/super.h
index 739e8fd181763c3298d20c52df5c0cbf21d5868e..6d3efda26e6354fc45f515f3ed148b9d09da6e60 100644 (file)
--- a/libbcachefs/super.h
+++ b/libbcachefs/super.h
@@ -26,6 +26,12 @@ static inline sector_t bucket_remainder(const struct bch_dev *ca, sector_t s)
        return remainder;
 }
 
+static inline size_t sector_to_bucket_and_offset(const struct bch_dev *ca, sector_t s,
+                                                u32 *offset)
+{
+       return div_u64_rem(s, ca->mi.bucket_size, offset);
+}
+
 static inline bool bch2_dev_is_online(struct bch_dev *ca)
 {
        return !percpu_ref_is_zero(&ca->io_ref);
@@ -194,6 +200,27 @@ static inline struct bch_devs_mask bch2_online_devs(struct bch_fs *c)
        return devs;
 }
 
+static inline bool is_superblock_bucket(struct bch_dev *ca, u64 b)
+{
+       struct bch_sb_layout *layout = &ca->disk_sb.sb->layout;
+       u64 b_offset    = bucket_to_sector(ca, b);
+       u64 b_end       = bucket_to_sector(ca, b + 1);
+       unsigned i;
+
+       if (!b)
+               return true;
+
+       for (i = 0; i < layout->nr_superblocks; i++) {
+               u64 offset = le64_to_cpu(layout->sb_offset[i]);
+               u64 end = offset + (1 << layout->sb_max_size_bits);
+
+               if (!(offset >= b_end || end <= b_offset))
+                       return true;
+       }
+
+       return false;
+}
+
 struct bch_fs *bch2_dev_to_fs(dev_t);
 struct bch_fs *bch2_uuid_to_fs(uuid_le);
 
@@ -233,6 +260,5 @@ void bch2_fs_stop(struct bch_fs *);
 
 int bch2_fs_start(struct bch_fs *);
 struct bch_fs *bch2_fs_open(char * const *, unsigned, struct bch_opts);
-const char *bch2_fs_open_incremental(const char *path);
 
 #endif /* _BCACHEFS_SUPER_H */