diff options
Diffstat (limited to 'disk-io.h')
| -rw-r--r-- | disk-io.h | 26 |
1 files changed, 15 insertions, 11 deletions
@@ -25,6 +25,15 @@ #define BTRFS_SUPER_MIRROR_MAX 3 #define BTRFS_SUPER_MIRROR_SHIFT 12 +enum btrfs_open_ctree_flags { + OPEN_CTREE_WRITES = 1, + OPEN_CTREE_PARTIAL = 2, + OPEN_CTREE_BACKUP_ROOT = 4, + OPEN_CTREE_RECOVER_SUPER = 8, + OPEN_CTREE_RESTORE = 16, + OPEN_CTREE_NO_BLOCK_GROUPS = 32, +}; + static inline u64 btrfs_sb_offset(int mirror) { u64 start = 16 * 1024; @@ -52,8 +61,8 @@ int clean_tree_block(struct btrfs_trans_handle *trans, void btrfs_free_fs_info(struct btrfs_fs_info *fs_info); struct btrfs_fs_info *btrfs_new_fs_info(int writable, u64 sb_bytenr); int btrfs_check_fs_compatibility(struct btrfs_super_block *sb, int writable); -int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info, - u64 root_tree_bytenr, int partial, int backup_root); +int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info, u64 root_tree_bytenr, + enum btrfs_open_ctree_flags flags); void btrfs_release_all_roots(struct btrfs_fs_info *fs_info); void btrfs_cleanup_all_caches(struct btrfs_fs_info *fs_info); int btrfs_scan_fs_devices(int fd, const char *path, @@ -61,18 +70,13 @@ int btrfs_scan_fs_devices(int fd, const char *path, int run_ioctl); int btrfs_setup_chunk_tree_and_device_map(struct btrfs_fs_info *fs_info); -struct btrfs_root *open_ctree(const char *filename, u64 sb_bytenr, int writes); +struct btrfs_root *open_ctree(const char *filename, u64 sb_bytenr, + enum btrfs_open_ctree_flags flags); struct btrfs_root *open_ctree_fd(int fp, const char *path, u64 sb_bytenr, - int writes); -struct btrfs_fs_info *open_ctree_fs_info_restore(const char *filename, - u64 sb_bytenr, u64 root_tree_bytenr, - int writes, int partial); + enum btrfs_open_ctree_flags flags); struct btrfs_fs_info *open_ctree_fs_info(const char *filename, u64 sb_bytenr, u64 root_tree_bytenr, - int writes, int partial, - int backup_root); -struct btrfs_root *open_ctree_with_broken_super(const char *filename, - u64 sb_bytenr, int writes); + enum btrfs_open_ctree_flags flags); int close_ctree(struct btrfs_root *root); int write_all_supers(struct btrfs_root *root); int write_ctree_super(struct btrfs_trans_handle *trans, |