*/
OPEN_CTREE_IGNORE_CHUNK_TREE_ERROR = (1U << 11),
- /* Allow to open a partially created filesystem */
- OPEN_CTREE_FS_PARTIAL = (1U << 12),
+ /*
+ * Allow to open fs with temporary superblock (BTRFS_MAGIC_PARTIAL),
+ * such fs contains very basic tree layout, just able to be opened.
+ * Such temporary super is used for mkfs or convert.
+ */
+ OPEN_CTREE_TEMPORARY_SUPER = (1U << 12),
/*
* Invalidate the free space tree (i.e., clear the FREE_SPACE_TREE_VALID
* Read superblock with the fake signature, cannot be used with
* SBREAD_RECOVER
*/
- SBREAD_PARTIAL = (1 << 1),
+ SBREAD_TEMPORARY = (1 << 1),
};
/*
int read_extent_data(struct btrfs_fs_info *fs_info, char *data, u64 logical,
u64 *len, int mirror);
void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
- u32 blocksize, u64 parent_transid);
+ u64 parent_transid);
struct extent_buffer* btrfs_find_create_tree_block(
- struct btrfs_fs_info *fs_info, u64 bytenr, u32 blocksize);
+ struct btrfs_fs_info *fs_info, u64 bytenr);
void btrfs_setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
u64 objectid);
u32 btrfs_csum_data(char *data, u32 seed, size_t len);
void btrfs_csum_final(u32 crc, u8 *result);
-int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
- struct btrfs_root *root);
int btrfs_open_device(struct btrfs_device *dev);
int csum_tree_block_size(struct extent_buffer *buf, u16 csum_sectorsize,
int verify);