Btrfs: transaction handles everywhere

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-16 16:20:31 -04:00
committed by David Woodhouse
parent 88fd146c27
commit e089f05c18
16 changed files with 426 additions and 303 deletions

View File

@ -4,6 +4,8 @@
#include "list.h"
#include "kerncompat.h"
struct btrfs_trans_handle;
#define BTRFS_MAGIC "_BtRfS_M"
#define BTRFS_ROOT_TREE_OBJECTID 1
@ -200,6 +202,7 @@ struct btrfs_root {
struct btrfs_root_item root_item;
struct btrfs_key root_key;
u32 blocksize;
struct btrfs_trans_handle *running_transaction;
};
/* the lower bits in the key flags defines the item type */
@ -656,34 +659,46 @@ static inline u8 *btrfs_leaf_data(struct btrfs_leaf *l)
((type *)(btrfs_leaf_data(leaf) + \
btrfs_item_offset((leaf)->items + (slot))))
struct btrfs_buffer *btrfs_alloc_free_block(struct btrfs_root *root);
int btrfs_inc_ref(struct btrfs_root *root, struct btrfs_buffer *buf);
int btrfs_free_extent(struct btrfs_root *root, u64 blocknr, u64 num_blocks,
int pin);
int btrfs_search_slot(struct btrfs_root *root, struct btrfs_key *key,
struct btrfs_path *p, int ins_len, int cow);
struct btrfs_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct btrfs_buffer *buf);
int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
*root, u64 blocknr, u64 num_blocks, int pin);
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);
void btrfs_release_path(struct btrfs_root *root, struct btrfs_path *p);
void btrfs_init_path(struct btrfs_path *p);
int btrfs_del_item(struct btrfs_root *root, struct btrfs_path *path);
int btrfs_insert_item(struct btrfs_root *root, struct btrfs_key *key,
void *data, u32 data_size);
int btrfs_insert_empty_item(struct btrfs_root *root, struct btrfs_path *path,
struct btrfs_key *cpu_key, u32 data_size);
int btrfs_del_item(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct btrfs_path *path);
int btrfs_insert_item(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_key *key, void *data, u32 data_size);
int btrfs_insert_empty_item(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_path *path, struct btrfs_key
*cpu_key, u32 data_size);
int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path);
int btrfs_leaf_free_space(struct btrfs_root *root, struct btrfs_leaf *leaf);
int btrfs_drop_snapshot(struct btrfs_root *root, struct btrfs_buffer *snap);
int btrfs_finish_extent_commit(struct btrfs_root *root);
int btrfs_del_root(struct btrfs_root *root, struct btrfs_key *key);
int btrfs_insert_root(struct btrfs_root *root, struct btrfs_key *key,
struct btrfs_root_item *item);
int btrfs_update_root(struct btrfs_root *root, struct btrfs_key *key,
struct btrfs_root_item *item);
int btrfs_find_last_root(struct btrfs_root *root, u64 objectid,
struct btrfs_root_item *item, struct btrfs_key *key);
int btrfs_insert_dir_item(struct btrfs_root *root, char *name, int name_len,
u64 dir, u64 objectid, u8 type);
int btrfs_lookup_dir_item(struct btrfs_root *root, struct btrfs_path *path,
u64 dir, char *name, int name_len, int mod);
int btrfs_drop_snapshot(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_buffer *snap);
int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans, struct
btrfs_root *root);
int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct btrfs_key *key);
int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_key *key, struct btrfs_root_item
*item);
int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_key *key, struct btrfs_root_item
*item);
int btrfs_find_last_root(struct btrfs_root *root, u64 objectid, struct
btrfs_root_item *item, struct btrfs_key *key);
int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
*root, char *name, int name_len, u64 dir, u64
objectid, u8 type);
int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_path *path, u64 dir, char *name,
int name_len, int mod);
int btrfs_match_dir_item_name(struct btrfs_root *root, struct btrfs_path *path,
char *name, int name_len);
#endif