diff options
Diffstat (limited to 'ctree.h')
| -rw-r--r-- | ctree.h | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -37,6 +37,7 @@ struct btrfs_root; struct btrfs_trans_handle; +struct btrfs_free_space_ctl; #define BTRFS_MAGIC 0x4D5F53665248425F /* ascii _BHRfS_M, no null */ #define BTRFS_MAX_LEVEL 8 @@ -277,6 +278,15 @@ struct btrfs_chunk { /* additional stripes go here */ } __attribute__ ((__packed__)); +#define BTRFS_FREE_SPACE_EXTENT 1 +#define BTRFS_FREE_SPACE_BITMAP 2 + +struct btrfs_free_space_entry { + __le64 offset; + __le64 bytes; + u8 type; +} __attribute__ ((__packed__)); + struct btrfs_free_space_header { struct btrfs_disk_key location; __le64 generation; @@ -873,6 +883,7 @@ struct btrfs_block_group_cache { struct btrfs_key key; struct btrfs_block_group_item item; struct btrfs_space_info *space_info; + struct btrfs_free_space_ctl *free_space_ctl; u64 pinned; u64 flags; int cached; @@ -2044,7 +2055,7 @@ static inline u32 btrfs_level_size(struct btrfs_root *root, int level) { static inline int btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag) { struct btrfs_super_block *disk_super; - disk_super = &fs_info->super_copy; + disk_super = fs_info->super_copy; return !!(btrfs_super_incompat_flags(disk_super) & flag); } @@ -2068,6 +2079,9 @@ int btrfs_copy_pinned(struct btrfs_root *root, struct extent_io_tree *copy); struct btrfs_block_group_cache *btrfs_lookup_block_group(struct btrfs_fs_info *info, u64 bytenr); +struct btrfs_block_group_cache *btrfs_lookup_first_block_group(struct + btrfs_fs_info *info, + u64 bytenr); struct btrfs_block_group_cache *btrfs_find_block_group(struct btrfs_root *root, struct btrfs_block_group_cache *hint, u64 search_start, |