diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index c5a18d5d7f7c..42aa20301bc9 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -178,6 +178,7 @@ struct btrfs_path { struct buffer_head *nodes[BTRFS_MAX_LEVEL]; int slots[BTRFS_MAX_LEVEL]; int reada; + int lowest_level; }; /* @@ -338,6 +339,9 @@ struct btrfs_root { u64 highest_inode; u64 last_inode_alloc; int ref_cows; + struct btrfs_key defrag_progress; + int defrag_running; + int defrag_level; }; /* the lower bits in the key flags defines the item type */ @@ -1031,10 +1035,11 @@ struct btrfs_block_group_cache *btrfs_find_block_group(struct btrfs_root *root, int btrfs_inc_root_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root); struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 hint); + struct btrfs_root *root, u64 hint, + u64 empty_size); int btrfs_alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 owner, - u64 num_blocks, u64 search_start, + u64 num_blocks, u64 empty_size, u64 search_start, u64 search_end, struct btrfs_key *ins, int data); int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct buffer_head *buf); @@ -1051,6 +1056,10 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans, int btrfs_free_block_groups(struct btrfs_fs_info *info); int btrfs_read_block_groups(struct btrfs_root *root); /* ctree.c */ +int btrfs_cow_block(struct btrfs_trans_handle *trans, struct btrfs_root + *root, struct buffer_head *buf, struct buffer_head + *parent, int parent_slot, struct buffer_head + **cow_ret); int btrfs_extend_item(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, u32 data_size); int btrfs_truncate_item(struct btrfs_trans_handle *trans, @@ -1060,6 +1069,9 @@ int btrfs_truncate_item(struct btrfs_trans_handle *trans, int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_key *key, struct btrfs_path *p, int ins_len, int cow); +int btrfs_realloc_node(struct btrfs_trans_handle *trans, + struct btrfs_root *root, struct buffer_head *parent, + int cache_only); void btrfs_release_path(struct btrfs_root *root, struct btrfs_path *p); struct btrfs_path *btrfs_alloc_path(void); void btrfs_free_path(struct btrfs_path *p); @@ -1171,4 +1183,7 @@ extern struct file_operations btrfs_file_operations; int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, u64 start, u64 end, u64 *hint_block); +/* tree-defrag.c */ +int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, + struct btrfs_root *root, int cache_only); #endif |
