[deliverable/linux.git] / fs / btrfs / transaction.h

#ifndef __TRANSACTION__
#define __TRANSACTION__
#include "btrfs_inode.h"

struct btrfs_transaction {
	u64 transid;
	unsigned long num_writers;
	int in_commit;
	int use_count;
	int commit_done;
	int magic;
	struct list_head list;
	struct radix_tree_root dirty_pages;
	wait_queue_head_t writer_wait;
	wait_queue_head_t commit_wait;
};

struct btrfs_trans_handle {
	int magic;
	u64 transid;
	unsigned long blocks_reserved;
	unsigned long blocks_used;
	struct btrfs_transaction *transaction;
	struct btrfs_block_group_cache *block_group;
	int magic2;
};


static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans,
					       struct inode *inode)
{
	trans->block_group = BTRFS_I(inode)->block_group;
}

static inline void btrfs_update_inode_block_group(struct
						  btrfs_trans_handle *trans,
						  struct inode *inode)
{
	BTRFS_I(inode)->block_group = trans->block_group;
}

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 btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
				     struct btrfs_root *root);
int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
			    struct btrfs_root *root);
#endif
Commit	Line	Data
	1	#ifndef __TRANSACTION__
	2	#define __TRANSACTION__
	3	#include "btrfs_inode.h"
	4
	5	struct btrfs_transaction {
	6	u64 transid;
	7	unsigned long num_writers;
	8	int in_commit;
	9	int use_count;
	10	int commit_done;
	11	int magic;
	12	struct list_head list;
	13	struct radix_tree_root dirty_pages;
	14	wait_queue_head_t writer_wait;
	15	wait_queue_head_t commit_wait;
	16	};
	17
	18	struct btrfs_trans_handle {
	19	int magic;
	20	u64 transid;
	21	unsigned long blocks_reserved;
	22	unsigned long blocks_used;
	23	struct btrfs_transaction *transaction;
	24	struct btrfs_block_group_cache *block_group;
	25	int magic2;
	26	};
	27
	28
	29	static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans,
	30	struct inode *inode)
	31	{
	32	trans->block_group = BTRFS_I(inode)->block_group;
	33	}
	34
	35	static inline void btrfs_update_inode_block_group(struct
	36	btrfs_trans_handle *trans,
	37	struct inode *inode)
	38	{
	39	BTRFS_I(inode)->block_group = trans->block_group;
	40	}
	41
	42	int btrfs_end_transaction(struct btrfs_trans_handle *trans,
	43	struct btrfs_root *root);
	44	struct btrfs_trans_handle btrfs_start_transaction(struct btrfs_root root,
	45	int num_blocks);
	46	int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
	47	struct btrfs_root *root);
	48	int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
	49	struct btrfs_root *root);
	50	#endif