ocfs2: set gap to seperate entry and value when xattr in bucket

[safe/jmp/linux-2.6] / fs / btrfs / transaction.h

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 9ab27b7..ea29211 100644 (file)
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -1,27 +1,106 @@
-#ifndef __TRANSACTION__
-#define __TRANSACTION__
+/*
+ * 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 __BTRFS_TRANSACTION__
+#define __BTRFS_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;
+       int blocked;
+       struct list_head list;
+       struct extent_io_tree dirty_pages;
+       unsigned long start_time;
+       wait_queue_head_t writer_wait;
+       wait_queue_head_t commit_wait;
+       struct list_head pending_snapshots;
+};
 
 struct btrfs_trans_handle {
        u64 transid;
        unsigned long blocks_reserved;
        unsigned long blocks_used;
+       struct btrfs_transaction *transaction;
+       u64 block_group;
+       u64 alloc_exclude_start;
+       u64 alloc_exclude_nr;
+};
+
+struct btrfs_pending_snapshot {
+       struct dentry *dentry;
+       struct btrfs_root *root;
+       char *name;
+       struct btrfs_key root_key;
+       struct list_head list;
 };
 
-static inline struct btrfs_trans_handle *
-btrfs_start_transaction(struct btrfs_root *root, int num_blocks)
+struct btrfs_dirty_root {
+       struct list_head list;
+       struct btrfs_root *root;
+       struct btrfs_root *latest_root;
+};
+
+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)
 {
-       struct btrfs_trans_handle *h = kmalloc(sizeof(*h), GFP_NOFS);
-       h->transid = root->root_key.offset;
-       h->blocks_reserved = num_blocks;
-       h->blocks_used = 0;
-       return h;
+       BTRFS_I(inode)->block_group = trans->block_group;
 }
 
-static inline void btrfs_free_transaction(struct btrfs_root *root,
-                                         struct btrfs_trans_handle *handle)
+static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
+                                             struct inode *inode)
 {
-       memset(handle, 0, sizeof(*handle));
-       kfree(handle);
+       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);
+struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root,
+                                                  int num_blocks);
+struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *r,
+                                                  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);
+
+int btrfs_add_dead_root(struct btrfs_root *root, struct btrfs_root *latest);
+int btrfs_defrag_root(struct btrfs_root *root, int cacheonly);
+int btrfs_clean_old_snapshots(struct btrfs_root *root);
+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);
+void btrfs_throttle(struct btrfs_root *root);
+int btrfs_record_root_in_trans(struct btrfs_root *root);
+int btrfs_write_and_wait_marked_extents(struct btrfs_root *root,
+                                       struct extent_io_tree *dirty_pages);
 #endif