diff options
Diffstat (limited to 'ctree.h')
| -rw-r--r-- | ctree.h | 57 |
1 files changed, 32 insertions, 25 deletions
@@ -356,18 +356,9 @@ struct btrfs_header { u8 level; } __attribute__ ((__packed__)); -#define BTRFS_NODEPTRS_PER_BLOCK(r) (((r)->fs_info->nodesize - \ - sizeof(struct btrfs_header)) / \ - sizeof(struct btrfs_key_ptr)) #define __BTRFS_LEAF_DATA_SIZE(bs) ((bs) - sizeof(struct btrfs_header)) -#define BTRFS_LEAF_DATA_SIZE(r) (__BTRFS_LEAF_DATA_SIZE(r->fs_info->nodesize)) -#define BTRFS_MAX_INLINE_DATA_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \ - sizeof(struct btrfs_item) - \ - sizeof(struct btrfs_file_extent_item)) -#define BTRFS_MAX_XATTR_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \ - sizeof(struct btrfs_item) -\ - sizeof(struct btrfs_dir_item)) - +#define BTRFS_LEAF_DATA_SIZE(fs_info) \ + (__BTRFS_LEAF_DATA_SIZE(fs_info->nodesize)) /* * this is a very generous portion of the super block, giving us @@ -599,7 +590,8 @@ struct btrfs_extent_item_v0 { __le32 refs; } __attribute__ ((__packed__)); -#define BTRFS_MAX_EXTENT_ITEM_SIZE(r) ((BTRFS_LEAF_DATA_SIZE(r) >> 4) - \ +#define BTRFS_MAX_EXTENT_ITEM_SIZE(r) \ + ((BTRFS_LEAF_DATA_SIZE(r->fs_info) >> 4) - \ sizeof(struct btrfs_item)) #define BTRFS_MAX_EXTENT_SIZE SZ_128M @@ -1189,6 +1181,29 @@ struct btrfs_root { struct rb_node rb_node; }; +static inline u32 BTRFS_MAX_ITEM_SIZE(const struct btrfs_fs_info *info) +{ + return BTRFS_LEAF_DATA_SIZE(info) - sizeof(struct btrfs_item); +} + +static inline u32 BTRFS_NODEPTRS_PER_BLOCK(const struct btrfs_fs_info *info) +{ + return BTRFS_LEAF_DATA_SIZE(info) / 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) +{ + return BTRFS_MAX_ITEM_SIZE(info) - + BTRFS_FILE_EXTENT_INLINE_DATA_START; +} + +static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info) +{ + return BTRFS_MAX_ITEM_SIZE(info) - sizeof(struct btrfs_dir_item); +} + /* * inode items have the data typically returned from stat and store other * info about object characteristics. There is one for every file and dir in @@ -1842,7 +1857,7 @@ static inline u32 btrfs_item_end_nr(struct extent_buffer *eb, int nr) return btrfs_item_end(eb, btrfs_item_nr(nr)); } -static inline u32 btrfs_item_offset_nr(struct extent_buffer *eb, int nr) +static inline u32 btrfs_item_offset_nr(const struct extent_buffer *eb, int nr) { return btrfs_item_offset(eb, btrfs_item_nr(nr)); } @@ -2467,7 +2482,7 @@ int btrfs_reserve_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 num_bytes, u64 empty_size, u64 hint_byte, u64 search_end, - struct btrfs_key *ins, int data); + struct btrfs_key *ins, bool is_data); int btrfs_fix_block_accounting(struct btrfs_trans_handle *trans, struct btrfs_root *root); void btrfs_pin_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes); @@ -2486,12 +2501,6 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, u32 blocksize, u64 root_objectid, struct btrfs_disk_key *key, int level, u64 hint, u64 empty_size); -int btrfs_alloc_extent(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - u64 num_bytes, u64 parent, - u64 root_objectid, u64 ref_generation, - u64 owner, u64 empty_size, u64 hint_byte, - u64 search_end, struct btrfs_key *ins, int data); int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytenr, u64 offset, int metadata, u64 *refs, u64 *flags); @@ -2529,15 +2538,13 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info); int btrfs_read_block_groups(struct btrfs_root *root); struct btrfs_block_group_cache * btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type, - u64 chunk_objectid, u64 chunk_offset, u64 size); + u64 chunk_offset, u64 size); int btrfs_make_block_group(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytes_used, - u64 type, u64 chunk_objectid, u64 chunk_offset, - u64 size); + u64 type, u64 chunk_offset, u64 size); int btrfs_make_block_groups(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); -int btrfs_update_block_group(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 bytenr, u64 num, +int btrfs_update_block_group(struct btrfs_root *root, u64 bytenr, u64 num, int alloc, int mark_free); int btrfs_record_file_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 objectid, |