diff options
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 0e7e9526b6a8..5e8bef4b7563 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -6,9 +6,6 @@ #ifndef BTRFS_DISK_IO_H #define BTRFS_DISK_IO_H -#define BTRFS_SUPER_INFO_OFFSET SZ_64K -#define BTRFS_SUPER_INFO_SIZE 4096 - #define BTRFS_SUPER_MIRROR_MAX 3 #define BTRFS_SUPER_MIRROR_SHIFT 12 @@ -74,6 +71,12 @@ struct btrfs_root *btrfs_get_new_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *btrfs_get_fs_root_commit_root(struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 objectid); +int btrfs_global_root_insert(struct btrfs_root *root); +void btrfs_global_root_delete(struct btrfs_root *root); +struct btrfs_root *btrfs_global_root(struct btrfs_fs_info *fs_info, + struct btrfs_key *key); +struct btrfs_root *btrfs_csum_root(struct btrfs_fs_info *fs_info, u64 bytenr); +struct btrfs_root *btrfs_extent_root(struct btrfs_fs_info *fs_info, u64 bytenr); void btrfs_free_fs_info(struct btrfs_fs_info *fs_info); int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info); @@ -81,7 +84,7 @@ void btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info); void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info); void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root); -int btrfs_validate_metadata_buffer(struct btrfs_io_bio *io_bio, +int btrfs_validate_metadata_buffer(struct btrfs_bio *bbio, struct page *page, u64 start, u64 end, int mirror); blk_status_t btrfs_submit_metadata_bio(struct inode *inode, struct bio *bio, @@ -106,6 +109,11 @@ static inline struct btrfs_root *btrfs_grab_root(struct btrfs_root *root) return NULL; } +static inline struct btrfs_root *btrfs_block_group_root(struct btrfs_fs_info *fs_info) +{ + return btrfs_extent_root(fs_info, 0); +} + void btrfs_put_root(struct btrfs_root *root); void btrfs_mark_buffer_dirty(struct extent_buffer *buf); int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid, |