87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/*
|
|
* Copyright (C) 2007 Oracle. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License v2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*/
|
|
|
|
#ifndef __TRANSACTION__
|
|
#define __TRANSACTION__
|
|
#include "btrfs_inode.h"
|
|
|
|
struct btrfs_transaction {
|
|
u64 transid;
|
|
unsigned long num_writers;
|
|
unsigned long num_joined;
|
|
int in_commit;
|
|
int use_count;
|
|
int commit_done;
|
|
struct list_head list;
|
|
struct radix_tree_root dirty_pages;
|
|
unsigned long start_time;
|
|
wait_queue_head_t writer_wait;
|
|
wait_queue_head_t commit_wait;
|
|
};
|
|
|
|
struct btrfs_trans_handle {
|
|
u64 transid;
|
|
unsigned long blocks_reserved;
|
|
unsigned long blocks_used;
|
|
struct btrfs_transaction *transaction;
|
|
struct btrfs_block_group_cache *block_group;
|
|
u64 alloc_exclude_start;
|
|
u64 alloc_exclude_nr;
|
|
};
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
|
|
struct inode *inode)
|
|
{
|
|
BTRFS_I(inode)->last_trans = trans->transaction->transid;
|
|
}
|
|
|
|
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);
|
|
|
|
void btrfs_transaction_cleaner(struct work_struct *work);
|
|
void btrfs_transaction_flush_work(struct btrfs_root *root);
|
|
void btrfs_transaction_queue_work(struct btrfs_root *root, int delay);
|
|
void btrfs_init_transaction_sys(void);
|
|
void btrfs_exit_transaction_sys(void);
|
|
int btrfs_add_dead_root(struct btrfs_root *root, struct list_head *dead_list);
|
|
int btrfs_defrag_dirty_roots(struct btrfs_fs_info *info);
|
|
int btrfs_defrag_root(struct btrfs_root *root, int cacheonly);
|
|
int btrfs_clean_old_snapshots(struct btrfs_root *root);
|
|
|
|
#endif
|