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-rw-r--r--fs/btrfs/transaction.h24
1 files changed, 15 insertions, 9 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 93c7ccb..e104986 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -45,20 +45,23 @@ struct btrfs_transaction {
struct btrfs_trans_handle {
u64 transid;
+ u64 block_group;
+ u64 bytes_reserved;
unsigned long blocks_reserved;
unsigned long blocks_used;
- struct btrfs_transaction *transaction;
- u64 block_group;
- u64 alloc_exclude_start;
- u64 alloc_exclude_nr;
unsigned long delayed_ref_updates;
+ struct btrfs_transaction *transaction;
+ struct btrfs_block_rsv *block_rsv;
};
struct btrfs_pending_snapshot {
struct dentry *dentry;
struct btrfs_root *root;
- char *name;
- struct btrfs_key root_key;
+ struct btrfs_root *snap;
+ /* block reservation for the operation */
+ struct btrfs_block_rsv block_rsv;
+ /* extra metadata reseration for relocation */
+ int error;
struct list_head list;
};
@@ -85,11 +88,11 @@ static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
int btrfs_end_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
- int num_blocks);
+ int num_items);
struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root,
- int num_blocks);
+ int num_blocks);
struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *r,
- int num_blocks);
+ int num_blocks);
int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
@@ -103,6 +106,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
+int btrfs_should_end_transaction(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root);
void btrfs_throttle(struct btrfs_root *root);
int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
@@ -112,5 +117,6 @@ int btrfs_write_marked_extents(struct btrfs_root *root,
struct extent_io_tree *dirty_pages, int mark);
int btrfs_wait_marked_extents(struct btrfs_root *root,
struct extent_io_tree *dirty_pages, int mark);
+int btrfs_transaction_blocked(struct btrfs_fs_info *info);
int btrfs_transaction_in_commit(struct btrfs_fs_info *info);
#endif
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