diff options
Diffstat (limited to 'ctree.h')
| -rw-r--r-- | ctree.h | 26 |
1 files changed, 14 insertions, 12 deletions
@@ -556,7 +556,7 @@ struct btrfs_node { * The slots array records the index of the item or block pointer * used while walking the tree. */ - +enum { READA_NONE = 0, READA_BACK, READA_FORWARD }; struct btrfs_path { struct extent_buffer *nodes[BTRFS_MAX_LEVEL]; int slots[BTRFS_MAX_LEVEL]; @@ -1202,6 +1202,12 @@ static inline u32 BTRFS_NODEPTRS_PER_BLOCK(const struct btrfs_fs_info *info) return BTRFS_LEAF_DATA_SIZE(info) / sizeof(struct btrfs_key_ptr); } +static inline u32 BTRFS_NODEPTRS_PER_EXTENT_BUFFER(const struct extent_buffer *eb) +{ + BUG_ON(eb->fs_info && eb->fs_info->nodesize != eb->len); + return __BTRFS_LEAF_DATA_SIZE(eb->len) / sizeof(struct btrfs_key_ptr); +} + #define BTRFS_FILE_EXTENT_INLINE_DATA_START \ (offsetof(struct btrfs_file_extent_item, disk_bytenr)) static inline u32 BTRFS_MAX_INLINE_DATA_SIZE(const struct btrfs_fs_info *info) @@ -2462,7 +2468,7 @@ static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb, #define btrfs_fs_incompat(fs_info, opt) \ __btrfs_fs_incompat((fs_info), BTRFS_FEATURE_INCOMPAT_##opt) -static inline int __btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag) +static inline bool __btrfs_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag) { struct btrfs_super_block *disk_super; disk_super = fs_info->super_copy; @@ -2494,13 +2500,11 @@ int btrfs_reserve_extent(struct btrfs_trans_handle *trans, u64 num_bytes, u64 empty_size, u64 hint_byte, u64 search_end, struct btrfs_key *ins, bool is_data); -int btrfs_fix_block_accounting(struct btrfs_trans_handle *trans, - struct btrfs_root *root); +int btrfs_fix_block_accounting(struct btrfs_trans_handle *trans); void btrfs_pin_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes); void btrfs_unpin_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes); -int btrfs_extent_post_op(struct btrfs_trans_handle *trans, - struct btrfs_root *root); +int btrfs_extent_post_op(struct btrfs_trans_handle *trans); struct btrfs_block_group_cache *btrfs_lookup_block_group(struct btrfs_fs_info *info, u64 bytenr); @@ -2513,11 +2517,10 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, struct btrfs_disk_key *key, int level, u64 hint, u64 empty_size); int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 bytenr, + struct btrfs_fs_info *fs_info, u64 bytenr, u64 offset, int metadata, u64 *refs, u64 *flags); -int btrfs_set_block_flags(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - u64 bytenr, int level, u64 flags); +int btrfs_set_block_flags(struct btrfs_trans_handle *trans, u64 bytenr, + int level, u64 flags); int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *buf, int record_parent); int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, @@ -2664,8 +2667,7 @@ static inline int btrfs_next_item(struct btrfs_root *root, } int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path); -int btrfs_leaf_free_space(struct btrfs_fs_info *fs_info, - struct extent_buffer *leaf); +int btrfs_leaf_free_space(struct extent_buffer *leaf); void btrfs_fixup_low_keys(struct btrfs_root *root, struct btrfs_path *path, struct btrfs_disk_key *key, int level); int btrfs_set_item_key_safe(struct btrfs_root *root, struct btrfs_path *path, |